fix: use bun and web.build.ts in build workflow, use minify & cwd args for tailwindcss cli

tests: revamp tests, remove more useless tests
refactor: move all tests out of src/ into tests/, remove unnecessary tests
2025-12-06 13:15:47 -06:00 · 2025-08-08 10:10:57 -05:00 · 2025-08-08 09:07:10 -05:00 · 2025-08-08 08:50:52 -05:00 · 2025-08-08 00:20:38 -05:00 · 2025-08-07 23:44:26 -05:00
35 changed files with 941 additions and 2457 deletions
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -104,11 +104,10 @@ jobs:
      - name: Rust Cache
        uses: Swatinem/rust-cache@v2

-      - name: Install pnpm
-        uses: pnpm/action-setup@v3
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
        with:
-          version: 8
-          run_install: true
+          bun-version: latest

      - name: Build with Emscripten
        shell: bash
@@ -121,7 +120,7 @@ jobs:
            echo "Build attempt $attempt of $MAX_RETRIES"

            # Capture output and check for specific error while preserving real-time output
-            if cargo build --target=wasm32-unknown-emscripten --release 2>&1 | tee /tmp/build_output.log; then
+            if bun run web.build.ts 2>&1 | tee /tmp/build_output.log; then
              echo "Build successful on attempt $attempt"
              break
            else
@@ -148,18 +147,6 @@ jobs:
            fi
          done

-      - name: Assemble
-        run: |
-          echo "Generating CSS"
-          pnpx postcss-cli ./assets/site/styles.scss -o ./assets/site/build.css
-
-          echo "Copying WASM files"
-
-          mkdir -p dist
-          cp assets/site/{build.css,favicon.ico,index.html} dist
-          output_folder="target/wasm32-unknown-emscripten/release"
-          cp $output_folder/pacman.{wasm,js} $output_folder/deps/pacman.data dist
-
      - name: Upload Artifact
        uses: actions/upload-pages-artifact@v3
        if: github.ref == 'refs/heads/master' && github.event_name == 'push'
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
-/target
-/dist
+target/
+dist/
+emsdk/
 .idea
-*.dll
 rust-sdl2-emscripten/
 assets/site/build.css
-emsdk/
--- a/README.md
+++ b/README.md
@@ -50,3 +50,15 @@ Built with SDL2 for cross-platform graphics and audio, this implementation can r
 - Online Scoreboard
  - WebAssembly build contains a special API key for communicating with server.
  - To prevent abuse, the server will only accept scores from the WebAssembly build.
+
+## Build Notes
+
+- Install `cargo-vcpkg` with `cargo install cargo-vcpkg`, then run `cargo vcpkg build` to build the requisite dependencies via vcpkg.
+- For the WASM build, you need to have the Emscripten SDK cloned; you can do so with `git clone https://github.com/emscripten-core/emsdk.git`
+  - The first time you clone, you'll need to install the appropriate SDK version with `./emsdk install 3.1.43` and then activate it with `./emsdk activate 3.1.43`. On Windows, use `./emsdk/emsdk.ps1` instead.
+  - You can then activate the Emscripten SDK with `source ./emsdk/emsdk_env.sh` or `./emsdk/emsdk_env.ps1` or `./emsdk/emsdk_env.bat` depending on your OS/terminal.
+  - While using the `web.build.ts` is not technically required, it simplifies the build process and is very helpful.
+    - It is intended to be run with `bun`, which you can acquire at [bun.sh](https://bun.sh/)
+  - Tip: You can launch a fileserver with `python` or `caddy` to serve the files in the `dist` folder.
+    - `python3 -m http.server 8080 -d dist`
+    - `caddy file-server --root dist` (install with `[sudo apt|brew|choco] install caddy` or [a dozen other ways](https://caddyserver.com/docs/install))
--- a/assets/site/index.html
+++ b/assets/site/index.html
@@ -2,12 +2,25 @@
 <html>
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Pac-Man Arcade</title>
+    <title>Pac-Man in Rust</title>
    <link rel="stylesheet" href="build.css" />
    <style>
+      /* Minimal fallback to prevent white flash and canvas pop-in before CSS loads */
+      html,
+      body {
+        background: #000;
+        color: #facc15;
+        margin: 0;
+        text-align: center;
+      }
+      #canvas {
+        display: block;
+        margin: 1.5rem auto;
+        background: #000;
+      }
    </style>
  </head>
-  <body class="bg-black text-yellow-400 text-center">
+  <body class="bg-black text-yellow-400 text-center min-h-screen">
    <a
      href="https://github.com/Xevion/Pac-Man"
      class="absolute top-0 right-0"
@@ -17,7 +30,7 @@
        width="80"
        height="80"
        viewBox="0 0 250 250"
-        class="fill-yellow-400 text-black"
+        class="fill-yellow-400 text-white"
        aria-hidden="true"
      >
        <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
@@ -31,33 +44,54 @@
        ></path>
      </svg>
    </a>
-    <h1 class="text-4xl mt-10 scaled-text">Pac-Man Arcade</h1>
-    <p class="text-lg mt-5 scaled-text">
-      Welcome to the Pac-Man Arcade! Use the controls below to play.
-    </p>
+
+    <div class="min-h-screen flex flex-col">
+      <header class="pt-10">
+        <h1 class="text-4xl arcade-title scaled-text">Pac-Man in Rust</h1>
+      </header>
+
+      <main class="flex-1 flex items-center justify-center px-4">
+        <div class="w-full max-w-5xl">
          <canvas
            id="canvas"
-      class="block mx-auto mt-5"
-      width="800"
-      height="600"
+            class="block mx-auto bg-black w-full max-w-[90vw] h-auto mt-5 rounded-xl shadow-[inset_0_0_0_2px_rgba(255,255,255,0.12),0_10px_30px_rgba(0,0,0,0.8)]"
          ></canvas>
-    <div class="mt-10">
-      <span
-        class="inline-block mx-2 px-4 py-2 bg-yellow-400 text-black rounded scaled-text"
-        >&larr; &uarr; &rarr; &darr; Move</span
-      >
-      <span
-        class="inline-block mx-2 px-4 py-2 bg-yellow-400 text-black rounded scaled-text"
-        >Space Change Sprite</span
-      >
-      <span
-        class="inline-block mx-2 px-4 py-2 bg-yellow-400 text-black rounded scaled-text"
-        >Shift + &uarr;&darr; Change Volume</span
+
+          <div
+            class="mt-8 flex flex-wrap gap-3 justify-center items-center text-sm"
          >
+            <span class="code">&larr; &uarr; &rarr; &darr;</span>
+            <span class="opacity-70">Move</span>
+
+            <span class="mx-2 opacity-30">|</span>
+
+            <span class="code">Space</span>
+            <span class="opacity-70">Toggle Debug</span>
+
+            <span class="mx-2 opacity-30">|</span>
+
+            <span class="code">P</span>
+            <span class="opacity-70">Pause / Unpause</span>
+
+            <span class="mx-2 opacity-30">|</span>
+
+            <span class="code">M</span>
+            <span class="opacity-70">Mute / Unmute</span>
+          </div>
+        </div>
+      </main>
    </div>
    <script type="text/javascript">
+      const canvas = document.getElementById("canvas");
      var Module = {
-        canvas: document.getElementById("canvas"),
+        canvas: canvas,
+        preRun: [
+          () => {
+            [...canvas.classList]
+              .filter((className) => className.includes("shadow-"))
+              .forEach((className) => canvas.classList.remove(className));
+          },
+        ],
      };
    </script>
    <script type="text/javascript" src="pacman.js"></script>
--- a/assets/site/styles.css
+++ b/assets/site/styles.css
@@ -0,0 +1,28 @@
+@import "tailwindcss";
+
+@font-face {
+  font-family: "TerminalVector";
+  src: url("TerminalVector.ttf");
+  font-weight: normal;
+  font-style: normal;
+  font-display: swap;
+}
+
+/* Key badge styling */
+.code {
+  @apply px-3 py-1 rounded-md font-mono text-[0.9em] lowercase inline-block align-middle;
+  background: rgba(250, 204, 21, 0.08); /* yellow-400 at low opacity */
+  border: 1px solid rgba(250, 204, 21, 0.25);
+  color: #fde68a; /* lighter yellow for readability */
+  font-family: "TerminalVector", ui-monospace, Consolas, "Courier New",
+    monospace;
+}
+
+/* Title styling */
+.arcade-title {
+  font-family: "TerminalVector", ui-monospace, Consolas, "Courier New",
+    monospace;
+  letter-spacing: 0.08em;
+  text-shadow: 0 0 18px rgba(250, 204, 21, 0.15),
+    0 0 2px rgba(255, 255, 255, 0.25);
+}
--- a/assets/site/styles.scss
+++ b/assets/site/styles.scss
@@ -1,21 +0,0 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
-
-@font-face {
-    font-family: "Liberation Mono";
-    src:
-        url("LiberationMono.woff2") format("woff2"),
-        url("LiberationMono.woff") format("woff");
-    font-weight: normal;
-    font-style: normal;
-    font-display: swap;
-}
-
-canvas {
-    @apply w-full h-[65vh] min-h-[200px] block mx-auto bg-black;
-}
-
-.code {
-    @apply px-1 rounded font-mono bg-zinc-900 border border-zinc-700 lowercase;
-}
--- a/src/app.rs
+++ b/src/app.rs
@@ -92,6 +92,8 @@ impl App<'_> {
                        }
                        _ => {}
                    },
+                    // It doesn't really make sense to have this available in the browser
+                    #[cfg(not(target_os = "emscripten"))]
                    Event::Quit { .. }
                    | Event::KeyDown {
                        keycode: Some(Keycode::Escape) | Some(Keycode::Q),
--- a/src/audio.rs
+++ b/src/audio.rs
@@ -162,156 +162,3 @@ impl Audio {
        self.disabled
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use std::sync::Once;
-
-    static INIT: Once = Once::new();
-
-    fn init_sdl() -> Result<(), String> {
-        INIT.call_once(|| {
-            if let Err(e) = sdl2::init() {
-                eprintln!("Failed to initialize SDL2: {}", e);
-            }
-        });
-        Ok(())
-    }
-
-    #[test]
-    fn test_sound_assets_array() {
-        assert_eq!(SOUND_ASSETS.len(), 4);
-        assert_eq!(SOUND_ASSETS[0], Asset::Wav1);
-        assert_eq!(SOUND_ASSETS[1], Asset::Wav2);
-        assert_eq!(SOUND_ASSETS[2], Asset::Wav3);
-        assert_eq!(SOUND_ASSETS[3], Asset::Wav4);
-    }
-
-    #[test]
-    fn test_audio_asset_paths() {
-        // Test that all sound assets have valid paths
-        for asset in SOUND_ASSETS.iter() {
-            let path = asset.path();
-            assert!(!path.is_empty());
-            assert!(path.contains("sound/waka/"));
-            assert!(path.ends_with(".ogg"));
-        }
-    }
-
-    // Only run SDL2-dependent tests if SDL2 initialization succeeds
-    #[test]
-    fn test_audio_basic_functionality() {
-        if let Err(_) = init_sdl() {
-            eprintln!("Skipping SDL2-dependent tests due to initialization failure");
-            return;
-        }
-
-        // Test basic audio creation
-        let audio = Audio::new();
-        assert_eq!(audio.is_muted(), false);
-        assert_eq!(audio.next_sound_index, 0);
-
-        // Audio might be disabled if initialization failed
-        if !audio.is_disabled() {
-            assert_eq!(audio.sounds.len(), 4);
-        }
-    }
-
-    #[test]
-    fn test_audio_mute_functionality() {
-        if let Err(_) = init_sdl() {
-            eprintln!("Skipping SDL2-dependent tests due to initialization failure");
-            return;
-        }
-
-        let mut audio = Audio::new();
-
-        // Test mute/unmute
-        assert_eq!(audio.is_muted(), false);
-        audio.set_mute(true);
-        assert_eq!(audio.is_muted(), true);
-        audio.set_mute(false);
-        assert_eq!(audio.is_muted(), false);
-    }
-
-    #[test]
-    fn test_audio_sound_rotation() {
-        if let Err(_) = init_sdl() {
-            eprintln!("Skipping SDL2-dependent tests due to initialization failure");
-            return;
-        }
-
-        let mut audio = Audio::new();
-
-        // Skip test if audio is disabled
-        if audio.is_disabled() {
-            eprintln!("Skipping sound rotation test due to disabled audio");
-            return;
-        }
-
-        let initial_index = audio.next_sound_index;
-
-        // Test sound rotation
-        for i in 0..4 {
-            audio.eat();
-            assert_eq!(audio.next_sound_index, (initial_index + i + 1) % 4);
-        }
-
-        assert_eq!(audio.next_sound_index, initial_index);
-    }
-
-    #[test]
-    fn test_audio_sound_index_bounds() {
-        if let Err(_) = init_sdl() {
-            eprintln!("Skipping SDL2-dependent tests due to initialization failure");
-            return;
-        }
-
-        let audio = Audio::new();
-
-        // Skip test if audio is disabled
-        if audio.is_disabled() {
-            eprintln!("Skipping sound index bounds test due to disabled audio");
-            return;
-        }
-
-        assert!(audio.next_sound_index < audio.sounds.len());
-    }
-
-    #[test]
-    fn test_audio_default_impl() {
-        if let Err(_) = init_sdl() {
-            eprintln!("Skipping SDL2-dependent tests due to initialization failure");
-            return;
-        }
-
-        let audio = Audio::default();
-        assert_eq!(audio.is_muted(), false);
-        assert_eq!(audio.next_sound_index, 0);
-
-        // Audio might be disabled if initialization failed
-        if !audio.is_disabled() {
-            assert_eq!(audio.sounds.len(), 4);
-        }
-    }
-
-    #[test]
-    fn test_audio_disabled_state() {
-        if let Err(_) = init_sdl() {
-            eprintln!("Skipping SDL2-dependent tests due to initialization failure");
-            return;
-        }
-
-        // Test that disabled audio doesn't crash when calling functions
-        let mut audio = Audio::new();
-
-        // These should not panic even if audio is disabled
-        audio.eat();
-        audio.set_mute(true);
-        audio.set_mute(false);
-
-        // Test that we can check the disabled state
-        let _is_disabled = audio.is_disabled();
-    }
-}
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -75,179 +75,3 @@ pub const RAW_BOARD: [&str; BOARD_CELL_SIZE.y as usize] = [
    "#..........................#",
    "############################",
 ];
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_loop_time() {
-        // 60 FPS = 16.67ms per frame
-        let expected_nanos = (1_000_000_000.0 / 60.0) as u64;
-        assert_eq!(LOOP_TIME.as_nanos() as u64, expected_nanos);
-    }
-
-    #[test]
-    fn test_cell_size() {
-        assert_eq!(CELL_SIZE, 8);
-    }
-
-    #[test]
-    fn test_board_cell_size() {
-        assert_eq!(BOARD_CELL_SIZE.x, 28);
-        assert_eq!(BOARD_CELL_SIZE.y, 31);
-    }
-
-    #[test]
-    fn test_scale() {
-        assert_eq!(SCALE, 2.6);
-    }
-
-    #[test]
-    fn test_board_cell_offset() {
-        assert_eq!(BOARD_CELL_OFFSET.x, 0);
-        assert_eq!(BOARD_CELL_OFFSET.y, 3);
-    }
-
-    #[test]
-    fn test_board_pixel_offset() {
-        let expected = UVec2::new(0 * CELL_SIZE, 3 * CELL_SIZE);
-        assert_eq!(BOARD_PIXEL_OFFSET, expected);
-        assert_eq!(BOARD_PIXEL_OFFSET.x, 0);
-        assert_eq!(BOARD_PIXEL_OFFSET.y, 24); // 3 * 8
-    }
-
-    #[test]
-    fn test_board_pixel_size() {
-        let expected = UVec2::new(28 * CELL_SIZE, 31 * CELL_SIZE);
-        assert_eq!(BOARD_PIXEL_SIZE, expected);
-        assert_eq!(BOARD_PIXEL_SIZE.x, 224); // 28 * 8
-        assert_eq!(BOARD_PIXEL_SIZE.y, 248); // 31 * 8
-    }
-
-    #[test]
-    fn test_canvas_size() {
-        let expected = UVec2::new((28 + 0) * CELL_SIZE, (31 + 3) * CELL_SIZE);
-        assert_eq!(CANVAS_SIZE, expected);
-        assert_eq!(CANVAS_SIZE.x, 224); // (28 + 0) * 8
-        assert_eq!(CANVAS_SIZE.y, 272); // (31 + 3) * 8
-    }
-
-    #[test]
-    fn test_map_tile_variants() {
-        assert_ne!(MapTile::Empty, MapTile::Wall);
-        assert_ne!(MapTile::Pellet, MapTile::PowerPellet);
-        assert_ne!(MapTile::Tunnel, MapTile::Empty);
-    }
-
-    #[test]
-    fn test_map_tile_clone() {
-        let original = MapTile::Wall;
-        let cloned = original;
-        assert_eq!(original, cloned);
-    }
-
-    #[test]
-    fn test_raw_board_dimensions() {
-        assert_eq!(RAW_BOARD.len(), BOARD_CELL_SIZE.y as usize);
-        assert_eq!(RAW_BOARD.len(), 31);
-
-        for row in RAW_BOARD.iter() {
-            assert_eq!(row.len(), BOARD_CELL_SIZE.x as usize);
-            assert_eq!(row.len(), 28);
-        }
-    }
-
-    #[test]
-    fn test_raw_board_boundaries() {
-        // First row should be all walls
-        assert!(RAW_BOARD[0].chars().all(|c| c == '#'));
-
-        // Last row should be all walls
-        let last_row = RAW_BOARD[RAW_BOARD.len() - 1];
-        assert!(last_row.chars().all(|c| c == '#'));
-
-        // First and last character of each row should be walls (except tunnel rows and rows with spaces)
-        for (i, row) in RAW_BOARD.iter().enumerate() {
-            if i != 14 && !row.starts_with(' ') {
-                // Skip tunnel row and rows that start with spaces
-                assert_eq!(row.chars().next().unwrap(), '#');
-                assert_eq!(row.chars().last().unwrap(), '#');
-            }
-        }
-    }
-
-    #[test]
-    fn test_raw_board_tunnel_row() {
-        // Row 14 should have tunnel characters 'T' at the edges
-        let tunnel_row = RAW_BOARD[14];
-        assert_eq!(tunnel_row.chars().next().unwrap(), 'T');
-        assert_eq!(tunnel_row.chars().last().unwrap(), 'T');
-    }
-
-    #[test]
-    fn test_raw_board_power_pellets() {
-        // Power pellets are represented by 'o'
-        let mut power_pellet_count = 0;
-        for row in RAW_BOARD.iter() {
-            power_pellet_count += row.chars().filter(|&c| c == 'o').count();
-        }
-        assert_eq!(power_pellet_count, 4); // Should have exactly 4 power pellets
-    }
-
-    #[test]
-    fn test_raw_board_starting_position() {
-        // Should have a starting position 'X' for Pac-Man
-        let mut found_starting_position = false;
-        for row in RAW_BOARD.iter() {
-            if row.contains('X') {
-                found_starting_position = true;
-                break;
-            }
-        }
-        assert!(found_starting_position);
-    }
-
-    #[test]
-    fn test_raw_board_ghost_house() {
-        // The ghost house area should be present (the == characters)
-        let mut found_ghost_house = false;
-        for row in RAW_BOARD.iter() {
-            if row.contains("==") {
-                found_ghost_house = true;
-                break;
-            }
-        }
-        assert!(found_ghost_house);
-    }
-
-    #[test]
-    fn test_raw_board_symmetry() {
-        // The board should be roughly symmetrical
-        let mid_point = RAW_BOARD[0].len() / 2;
-
-        for row in RAW_BOARD.iter() {
-            let left_half = &row[..mid_point];
-            let right_half = &row[mid_point..];
-
-            // Check that the halves are symmetrical (accounting for the center column)
-            assert_eq!(left_half.len(), right_half.len());
-        }
-    }
-
-    #[test]
-    fn test_constants_consistency() {
-        // Verify that derived constants are calculated correctly
-        let calculated_pixel_offset = UVec2::new(BOARD_CELL_OFFSET.x * CELL_SIZE, BOARD_CELL_OFFSET.y * CELL_SIZE);
-        assert_eq!(BOARD_PIXEL_OFFSET, calculated_pixel_offset);
-
-        let calculated_pixel_size = UVec2::new(BOARD_CELL_SIZE.x * CELL_SIZE, BOARD_CELL_SIZE.y * CELL_SIZE);
-        assert_eq!(BOARD_PIXEL_SIZE, calculated_pixel_size);
-
-        let calculated_canvas_size = UVec2::new(
-            (BOARD_CELL_SIZE.x + BOARD_CELL_OFFSET.x) * CELL_SIZE,
-            (BOARD_CELL_SIZE.y + BOARD_CELL_OFFSET.y) * CELL_SIZE,
-        );
-        assert_eq!(CANVAS_SIZE, calculated_canvas_size);
-    }
-}
--- a/src/entity/direction.rs
+++ b/src/entity/direction.rs
@@ -35,67 +35,3 @@ impl From<Direction> for IVec2 {
 }

 pub const DIRECTIONS: [Direction; 4] = [Direction::Up, Direction::Down, Direction::Left, Direction::Right];
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_direction_opposite() {
-        assert_eq!(Direction::Up.opposite(), Direction::Down);
-        assert_eq!(Direction::Down.opposite(), Direction::Up);
-        assert_eq!(Direction::Left.opposite(), Direction::Right);
-        assert_eq!(Direction::Right.opposite(), Direction::Left);
-    }
-
-    #[test]
-    fn test_direction_as_ivec2() {
-        assert_eq!(Direction::Up.as_ivec2(), -IVec2::Y);
-        assert_eq!(Direction::Down.as_ivec2(), IVec2::Y);
-        assert_eq!(Direction::Left.as_ivec2(), -IVec2::X);
-        assert_eq!(Direction::Right.as_ivec2(), IVec2::X);
-    }
-
-    #[test]
-    fn test_direction_from_ivec2() {
-        assert_eq!(IVec2::from(Direction::Up), -IVec2::Y);
-        assert_eq!(IVec2::from(Direction::Down), IVec2::Y);
-        assert_eq!(IVec2::from(Direction::Left), -IVec2::X);
-        assert_eq!(IVec2::from(Direction::Right), IVec2::X);
-    }
-
-    #[test]
-    fn test_directions_constant() {
-        assert_eq!(DIRECTIONS.len(), 4);
-        assert!(DIRECTIONS.contains(&Direction::Up));
-        assert!(DIRECTIONS.contains(&Direction::Down));
-        assert!(DIRECTIONS.contains(&Direction::Left));
-        assert!(DIRECTIONS.contains(&Direction::Right));
-    }
-
-    #[test]
-    fn test_direction_equality() {
-        assert_eq!(Direction::Up, Direction::Up);
-        assert_ne!(Direction::Up, Direction::Down);
-        assert_ne!(Direction::Left, Direction::Right);
-    }
-
-    #[test]
-    fn test_direction_clone() {
-        let dir = Direction::Up;
-        let cloned = dir;
-        assert_eq!(dir, cloned);
-    }
-
-    #[test]
-    fn test_direction_hash() {
-        use std::collections::HashMap;
-        let mut map = HashMap::new();
-        map.insert(Direction::Up, "up");
-        map.insert(Direction::Down, "down");
-
-        assert_eq!(map.get(&Direction::Up), Some(&"up"));
-        assert_eq!(map.get(&Direction::Down), Some(&"down"));
-        assert_eq!(map.get(&Direction::Left), None);
-    }
-}
--- a/src/entity/graph.rs
+++ b/src/entity/graph.rs
@@ -5,6 +5,16 @@ use super::direction::Direction;
 /// A unique identifier for a node, represented by its index in the graph's storage.
 pub type NodeId = usize;

+/// Defines who can traverse a given edge.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
+pub enum EdgePermissions {
+    /// Anyone can use this edge.
+    #[default]
+    All,
+    /// Only ghosts can use this edge.
+    GhostsOnly,
+}
+
 /// Represents a directed edge from one node to another with a given weight (e.g., distance).
 #[derive(Debug, Clone, Copy)]
 pub struct Edge {
@@ -14,6 +24,8 @@ pub struct Edge {
    pub distance: f32,
    /// The cardinal direction of this edge.
    pub direction: Direction,
+    /// Defines who is allowed to traverse this edge.
+    pub permissions: EdgePermissions,
 }

 /// Represents a node in the graph, defined by its position.
@@ -121,8 +133,8 @@ impl Graph {
            return Err("To node does not exist.");
        }

-        let edge_a = self.add_edge(from, to, replace, distance, direction);
-        let edge_b = self.add_edge(to, from, replace, distance, direction.opposite());
+        let edge_a = self.add_edge(from, to, replace, distance, direction, EdgePermissions::default());
+        let edge_b = self.add_edge(to, from, replace, distance, direction.opposite(), EdgePermissions::default());

        if edge_a.is_err() && edge_b.is_err() {
            return Err("Failed to connect nodes in both directions.");
@@ -150,6 +162,7 @@ impl Graph {
        replace: bool,
        distance: Option<f32>,
        direction: Direction,
+        permissions: EdgePermissions,
    ) -> Result<(), &'static str> {
        let edge = Edge {
            target: to,
@@ -168,6 +181,7 @@ impl Graph {
                }
            },
            direction,
+            permissions,
        };

        if from >= self.adjacency_list.len() {
@@ -295,7 +309,10 @@ impl Traverser {
    /// Creates a new traverser starting at the given node ID.
    ///
    /// The traverser will immediately attempt to start moving in the initial direction.
-    pub fn new(graph: &Graph, start_node: NodeId, initial_direction: Direction) -> Self {
+    pub fn new<F>(graph: &Graph, start_node: NodeId, initial_direction: Direction, can_traverse: &F) -> Self
+    where
+        F: Fn(Edge) -> bool,
+    {
        let mut traverser = Traverser {
            position: Position::AtNode(start_node),
            direction: initial_direction,
@@ -303,7 +320,7 @@ impl Traverser {
        };

        // This will kickstart the traverser into motion
-        traverser.advance(graph, 0.0);
+        traverser.advance(graph, 0.0, can_traverse);

        traverser
    }
@@ -329,7 +346,10 @@ impl Traverser {
    /// - If it reaches a node, it attempts to transition to a new edge based on
    ///   the buffered direction or by continuing straight.
    /// - If no valid move is possible, it stops at the node.
-    pub fn advance(&mut self, graph: &Graph, distance: f32) {
+    pub fn advance<F>(&mut self, graph: &Graph, distance: f32, can_traverse: &F)
+    where
+        F: Fn(Edge) -> bool,
+    {
        // Decrement the remaining frames for the next direction
        if let Some((direction, remaining)) = self.next_direction {
            if remaining > 0 {
@@ -344,6 +364,7 @@ impl Traverser {
                // We're not moving, but a buffered direction is available.
                if let Some((next_direction, _)) = self.next_direction {
                    if let Some(edge) = graph.find_edge_in_direction(node_id, next_direction) {
+                        if can_traverse(edge) {
                            // Start moving in that direction
                            self.position = Position::BetweenNodes {
                                from: node_id,
@@ -352,6 +373,7 @@ impl Traverser {
                            };
                            self.direction = next_direction;
                        }
+                    }

                    self.next_direction = None; // Consume the buffered direction regardless of whether we started moving with it
                }
@@ -382,6 +404,7 @@ impl Traverser {
                    // If we buffered a direction, try to find an edge in that direction
                    if let Some((next_dir, _)) = self.next_direction {
                        if let Some(edge) = graph.find_edge_in_direction(to, next_dir) {
+                            if can_traverse(edge) {
                                self.position = Position::BetweenNodes {
                                    from: to,
                                    to: edge.target,
@@ -393,10 +416,12 @@ impl Traverser {
                                moved = true;
                            }
                        }
+                    }

                    // If we didn't move, try to continue in the current direction
                    if !moved {
                        if let Some(edge) = graph.find_edge_in_direction(to, self.direction) {
+                            if can_traverse(edge) {
                                self.position = Position::BetweenNodes {
                                    from: to,
                                    to: edge.target,
@@ -406,367 +431,13 @@ impl Traverser {
                                self.position = Position::AtNode(to);
                                self.next_direction = None;
                            }
+                        } else {
+                            self.position = Position::AtNode(to);
+                            self.next_direction = None;
+                        }
                    }
                }
            }
        }
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::entity::direction::Direction;
-
-    fn create_test_graph() -> Graph {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        let node2 = graph.add_node(Node {
-            position: glam::Vec2::new(16.0, 0.0),
-        });
-        let node3 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 16.0),
-        });
-
-        graph.connect(node1, node2, false, None, Direction::Right).unwrap();
-        graph.connect(node1, node3, false, None, Direction::Down).unwrap();
-
-        graph
-    }
-
-    #[test]
-    fn test_graph_new() {
-        let graph = Graph::new();
-        assert_eq!(graph.node_count(), 0);
-        assert!(graph.adjacency_list.is_empty());
-    }
-
-    #[test]
-    fn test_graph_add_node() {
-        let mut graph = Graph::new();
-        let node = Node {
-            position: glam::Vec2::new(10.0, 20.0),
-        };
-        let id = graph.add_node(node);
-
-        assert_eq!(id, 0);
-        assert_eq!(graph.node_count(), 1);
-        assert_eq!(graph.adjacency_list.len(), 1);
-
-        let retrieved_node = graph.get_node(id).unwrap();
-        assert_eq!(retrieved_node.position, glam::Vec2::new(10.0, 20.0));
-    }
-
-    #[test]
-    fn test_graph_node_count() {
-        let mut graph = Graph::new();
-        assert_eq!(graph.node_count(), 0);
-
-        graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        assert_eq!(graph.node_count(), 1);
-
-        graph.add_node(Node {
-            position: glam::Vec2::new(1.0, 1.0),
-        });
-        assert_eq!(graph.node_count(), 2);
-    }
-
-    #[test]
-    fn test_graph_get_node() {
-        let mut graph = Graph::new();
-        let node = Node {
-            position: glam::Vec2::new(5.0, 10.0),
-        };
-        let id = graph.add_node(node);
-
-        let retrieved = graph.get_node(id).unwrap();
-        assert_eq!(retrieved.position, glam::Vec2::new(5.0, 10.0));
-
-        assert!(graph.get_node(999).is_none());
-    }
-
-    #[test]
-    fn test_graph_connect() {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        let node2 = graph.add_node(Node {
-            position: glam::Vec2::new(16.0, 0.0),
-        });
-
-        let result = graph.connect(node1, node2, false, None, Direction::Right);
-        assert!(result.is_ok());
-
-        // Check that edges were added in both directions
-        let edge1 = graph.find_edge_in_direction(node1, Direction::Right);
-        let edge2 = graph.find_edge_in_direction(node2, Direction::Left);
-
-        assert!(edge1.is_some());
-        assert!(edge2.is_some());
-        assert_eq!(edge1.unwrap().target, node2);
-        assert_eq!(edge2.unwrap().target, node1);
-    }
-
-    #[test]
-    fn test_graph_connect_invalid_nodes() {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-
-        // Try to connect to non-existent node
-        let result = graph.connect(node1, 999, false, None, Direction::Right);
-        assert!(result.is_err());
-
-        // Try to connect from non-existent node
-        let result = graph.connect(999, node1, false, None, Direction::Right);
-        assert!(result.is_err());
-    }
-
-    #[test]
-    fn test_graph_find_edge() {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        let node2 = graph.add_node(Node {
-            position: glam::Vec2::new(16.0, 0.0),
-        });
-
-        graph.connect(node1, node2, false, None, Direction::Right).unwrap();
-
-        let edge = graph.find_edge(node1, node2);
-        assert!(edge.is_some());
-        assert_eq!(edge.unwrap().target, node2);
-
-        // Test non-existent edge
-        assert!(graph.find_edge(node1, 999).is_none());
-    }
-
-    #[test]
-    fn test_graph_find_edge_in_direction() {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        let node2 = graph.add_node(Node {
-            position: glam::Vec2::new(16.0, 0.0),
-        });
-
-        graph.connect(node1, node2, false, None, Direction::Right).unwrap();
-
-        let edge = graph.find_edge_in_direction(node1, Direction::Right);
-        assert!(edge.is_some());
-        assert_eq!(edge.unwrap().target, node2);
-
-        // Test non-existent direction
-        assert!(graph.find_edge_in_direction(node1, Direction::Up).is_none());
-    }
-
-    #[test]
-    fn test_intersection_edges() {
-        let mut intersection = Intersection::default();
-        intersection.set(
-            Direction::Up,
-            Edge {
-                target: 1,
-                distance: 10.0,
-                direction: Direction::Up,
-            },
-        );
-        intersection.set(
-            Direction::Right,
-            Edge {
-                target: 2,
-                distance: 15.0,
-                direction: Direction::Right,
-            },
-        );
-
-        let edges: Vec<_> = intersection.edges().collect();
-        assert_eq!(edges.len(), 2);
-
-        let up_edge = edges.iter().find(|e| e.direction == Direction::Up).unwrap();
-        let right_edge = edges.iter().find(|e| e.direction == Direction::Right).unwrap();
-
-        assert_eq!(up_edge.target, 1);
-        assert_eq!(up_edge.distance, 10.0);
-        assert_eq!(right_edge.target, 2);
-        assert_eq!(right_edge.distance, 15.0);
-    }
-
-    #[test]
-    fn test_intersection_get() {
-        let mut intersection = Intersection::default();
-        let edge = Edge {
-            target: 1,
-            distance: 10.0,
-            direction: Direction::Up,
-        };
-        intersection.set(Direction::Up, edge);
-
-        let retrieved = intersection.get(Direction::Up);
-        assert!(retrieved.is_some());
-        assert_eq!(retrieved.unwrap().target, 1);
-
-        assert!(intersection.get(Direction::Down).is_none());
-    }
-
-    #[test]
-    fn test_intersection_set() {
-        let mut intersection = Intersection::default();
-        let edge = Edge {
-            target: 1,
-            distance: 10.0,
-            direction: Direction::Left,
-        };
-
-        intersection.set(Direction::Left, edge);
-        let retrieved = intersection.get(Direction::Left);
-        assert!(retrieved.is_some());
-        assert_eq!(retrieved.unwrap().target, 1);
-    }
-
-    #[test]
-    fn test_position_is_at_node() {
-        let pos = Position::AtNode(5);
-        assert!(pos.is_at_node());
-
-        let pos = Position::BetweenNodes {
-            from: 1,
-            to: 2,
-            traversed: 5.0,
-        };
-        assert!(!pos.is_at_node());
-    }
-
-    #[test]
-    fn test_position_from_node_id() {
-        let pos = Position::AtNode(5);
-        assert_eq!(pos.from_node_id(), 5);
-
-        let pos = Position::BetweenNodes {
-            from: 1,
-            to: 2,
-            traversed: 5.0,
-        };
-        assert_eq!(pos.from_node_id(), 1);
-    }
-
-    #[test]
-    fn test_position_to_node_id() {
-        let pos = Position::AtNode(5);
-        assert_eq!(pos.to_node_id(), None);
-
-        let pos = Position::BetweenNodes {
-            from: 1,
-            to: 2,
-            traversed: 5.0,
-        };
-        assert_eq!(pos.to_node_id(), Some(2));
-    }
-
-    #[test]
-    fn test_position_is_stopped() {
-        let pos = Position::AtNode(5);
-        assert!(pos.is_stopped());
-
-        let pos = Position::BetweenNodes {
-            from: 1,
-            to: 2,
-            traversed: 5.0,
-        };
-        assert!(!pos.is_stopped());
-    }
-
-    #[test]
-    fn test_traverser_new() {
-        let graph = create_test_graph();
-        let traverser = Traverser::new(&graph, 0, Direction::Left);
-
-        assert_eq!(traverser.direction, Direction::Left);
-        // The next_direction might be consumed immediately when the traverser starts moving
-        // So we just check that the direction is set correctly
-        assert_eq!(traverser.direction, Direction::Left);
-    }
-
-    #[test]
-    fn test_traverser_set_next_direction() {
-        let graph = create_test_graph();
-        let mut traverser = Traverser::new(&graph, 0, Direction::Left);
-
-        traverser.set_next_direction(Direction::Up);
-        assert!(traverser.next_direction.is_some());
-        assert_eq!(traverser.next_direction.unwrap().0, Direction::Up);
-
-        // Setting same direction should not change anything
-        traverser.set_next_direction(Direction::Up);
-        assert_eq!(traverser.next_direction.unwrap().0, Direction::Up);
-    }
-
-    #[test]
-    fn test_traverser_advance_at_node() {
-        let graph = create_test_graph();
-        let mut traverser = Traverser::new(&graph, 0, Direction::Right);
-
-        // Should start moving in the initial direction
-        traverser.advance(&graph, 5.0);
-
-        match traverser.position {
-            Position::BetweenNodes { from, to, traversed } => {
-                assert_eq!(from, 0);
-                assert_eq!(to, 1);
-                assert_eq!(traversed, 5.0);
-            }
-            _ => panic!("Expected to be between nodes"),
-        }
-    }
-
-    #[test]
-    fn test_traverser_advance_between_nodes() {
-        let graph = create_test_graph();
-        let mut traverser = Traverser::new(&graph, 0, Direction::Right);
-
-        // Move to between nodes
-        traverser.advance(&graph, 5.0);
-
-        // Advance further
-        traverser.advance(&graph, 3.0);
-
-        match traverser.position {
-            Position::BetweenNodes { from, to, traversed } => {
-                assert_eq!(from, 0);
-                assert_eq!(to, 1);
-                assert_eq!(traversed, 8.0);
-            }
-            _ => panic!("Expected to be between nodes"),
-        }
-    }
-
-    #[test]
-    fn test_edge_structure() {
-        let edge = Edge {
-            target: 5,
-            distance: 10.5,
-            direction: Direction::Up,
-        };
-
-        assert_eq!(edge.target, 5);
-        assert_eq!(edge.distance, 10.5);
-        assert_eq!(edge.direction, Direction::Up);
-    }
-
-    #[test]
-    fn test_node_structure() {
-        let node = Node {
-            position: glam::Vec2::new(10.0, 20.0),
-        };
-
-        assert_eq!(node.position, glam::Vec2::new(10.0, 20.0));
-    }
-}
--- a/src/entity/pacman.rs
+++ b/src/entity/pacman.rs
@@ -2,7 +2,7 @@ use glam::{UVec2, Vec2};

 use crate::constants::BOARD_PIXEL_OFFSET;
 use crate::entity::direction::Direction;
-use crate::entity::graph::{Graph, NodeId, Position, Traverser};
+use crate::entity::graph::{Edge, EdgePermissions, Graph, NodeId, Position, Traverser};
 use crate::helpers::centered_with_size;
 use crate::texture::animated::AnimatedTexture;
 use crate::texture::directional::DirectionalAnimatedTexture;
@@ -11,6 +11,10 @@ use sdl2::keyboard::Keycode;
 use sdl2::render::{Canvas, RenderTarget};
 use std::collections::HashMap;

+fn can_pacman_traverse(edge: Edge) -> bool {
+    matches!(edge.permissions, EdgePermissions::All)
+}
+
 pub struct Pacman {
    pub traverser: Traverser,
    texture: DirectionalAnimatedTexture,
@@ -47,13 +51,13 @@ impl Pacman {
        }

        Self {
-            traverser: Traverser::new(graph, start_node, Direction::Left),
+            traverser: Traverser::new(graph, start_node, Direction::Left, &can_pacman_traverse),
            texture: DirectionalAnimatedTexture::new(textures, stopped_textures),
        }
    }

    pub fn tick(&mut self, dt: f32, graph: &Graph) {
-        self.traverser.advance(graph, dt * 60.0 * 1.125);
+        self.traverser.advance(graph, dt * 60.0 * 1.125, &can_pacman_traverse);
        self.texture.tick(dt);
    }

@@ -96,219 +100,3 @@ impl Pacman {
        }
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::entity::graph::{Graph, Node};
-    use crate::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
-    use sdl2::keyboard::Keycode;
-    use std::collections::HashMap;
-
-    fn create_test_graph() -> Graph {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        let node2 = graph.add_node(Node {
-            position: glam::Vec2::new(16.0, 0.0),
-        });
-        let node3 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 16.0),
-        });
-
-        graph.connect(node1, node2, false, None, Direction::Right).unwrap();
-        graph.connect(node1, node3, false, None, Direction::Down).unwrap();
-
-        graph
-    }
-
-    fn create_test_atlas() -> SpriteAtlas {
-        // Create a minimal test atlas with required tiles
-        let mut frames = HashMap::new();
-        frames.insert(
-            "pacman/up_a.png".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/up_b.png".to_string(),
-            MapperFrame {
-                x: 16,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/down_a.png".to_string(),
-            MapperFrame {
-                x: 32,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/down_b.png".to_string(),
-            MapperFrame {
-                x: 48,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/left_a.png".to_string(),
-            MapperFrame {
-                x: 64,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/left_b.png".to_string(),
-            MapperFrame {
-                x: 80,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/right_a.png".to_string(),
-            MapperFrame {
-                x: 96,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/right_b.png".to_string(),
-            MapperFrame {
-                x: 112,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            "pacman/full.png".to_string(),
-            MapperFrame {
-                x: 128,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-        // Create a dummy texture (we won't actually render, just test the logic)
-        let dummy_texture = unsafe { std::mem::zeroed() };
-        SpriteAtlas::new(dummy_texture, mapper)
-    }
-
-    #[test]
-    fn test_pacman_new() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-
-        let pacman = Pacman::new(&graph, 0, &atlas);
-
-        assert_eq!(pacman.traverser.direction, Direction::Left);
-        assert!(matches!(pacman.traverser.position, crate::entity::graph::Position::AtNode(0)));
-    }
-
-    #[test]
-    fn test_handle_key_valid_directions() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-        let mut pacman = Pacman::new(&graph, 0, &atlas);
-
-        // Test that direction keys are handled correctly
-        // The traverser might consume next_direction immediately, so we check the actual direction
-        pacman.handle_key(Keycode::Up);
-        // Check that the direction was set (either in next_direction or current direction)
-        assert!(pacman.traverser.next_direction.is_some() || pacman.traverser.direction == Direction::Up);
-
-        pacman.handle_key(Keycode::Down);
-        assert!(pacman.traverser.next_direction.is_some() || pacman.traverser.direction == Direction::Down);
-
-        pacman.handle_key(Keycode::Left);
-        assert!(pacman.traverser.next_direction.is_some() || pacman.traverser.direction == Direction::Left);
-
-        pacman.handle_key(Keycode::Right);
-        assert!(pacman.traverser.next_direction.is_some() || pacman.traverser.direction == Direction::Right);
-    }
-
-    #[test]
-    fn test_handle_key_invalid_direction() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-        let mut pacman = Pacman::new(&graph, 0, &atlas);
-
-        let original_direction = pacman.traverser.direction;
-        let original_next_direction = pacman.traverser.next_direction;
-
-        // Test invalid key
-        pacman.handle_key(Keycode::Space);
-
-        // Should not change direction
-        assert_eq!(pacman.traverser.direction, original_direction);
-        assert_eq!(pacman.traverser.next_direction, original_next_direction);
-    }
-
-    #[test]
-    fn test_get_pixel_pos_at_node() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-        let pacman = Pacman::new(&graph, 0, &atlas);
-
-        let pos = pacman.get_pixel_pos(&graph);
-        assert_eq!(pos, glam::Vec2::new(0.0, 0.0));
-    }
-
-    #[test]
-    fn test_get_pixel_pos_between_nodes() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-        let mut pacman = Pacman::new(&graph, 0, &atlas);
-
-        // Move pacman between nodes - need to advance with a larger distance to ensure movement
-        pacman.traverser.advance(&graph, 5.0); // Larger advance to ensure movement
-
-        let pos = pacman.get_pixel_pos(&graph);
-        // Should be between (0,0) and (16,0), but not exactly at (8,0) due to advance distance
-        assert!(pos.x >= 0.0 && pos.x <= 16.0);
-        assert_eq!(pos.y, 0.0);
-    }
-
-    #[test]
-    fn test_tick_updates_texture() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-        let mut pacman = Pacman::new(&graph, 0, &atlas);
-
-        // Test that tick doesn't panic
-        pacman.tick(0.016, &graph); // 60 FPS frame time
-    }
-
-    #[test]
-    fn test_pacman_initial_direction() {
-        let graph = create_test_graph();
-        let atlas = create_test_atlas();
-        let pacman = Pacman::new(&graph, 0, &atlas);
-
-        // Pacman should start with the initial direction (Left)
-        assert_eq!(pacman.traverser.direction, Direction::Left);
-        // The next_direction might be consumed immediately when the traverser starts moving
-        // So we just check that the direction is set correctly
-        assert_eq!(pacman.traverser.direction, Direction::Left);
-    }
-}
--- a/src/game.rs
+++ b/src/game.rs
@@ -152,233 +152,3 @@ impl Game {
        Ok(())
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use sdl2::keyboard::Keycode;
-    use sdl2::pixels::Color;
-
-    fn create_test_game() -> Game {
-        // Create a minimal test game without SDL dependencies
-        // This is a simplified version for testing basic logic
-        let map = Map::new(RAW_BOARD);
-        let pacman_start_pos = map.find_starting_position(0).unwrap();
-        let pacman_start_node = *map
-            .grid_to_node
-            .get(&glam::IVec2::new(pacman_start_pos.x as i32, pacman_start_pos.y as i32))
-            .expect("Pac-Man starting position not found in graph");
-
-        // Create a dummy atlas for testing
-        let mut mapper = std::collections::HashMap::new();
-        mapper.insert(
-            "pacman/up_a.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 0,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/up_b.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 16,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/down_a.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 32,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/down_b.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 48,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/left_a.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 64,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/left_b.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 80,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/right_a.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 96,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/right_b.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 112,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "pacman/full.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 128,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        mapper.insert(
-            "maze/full.png".to_string(),
-            crate::texture::sprite::MapperFrame {
-                x: 0,
-                y: 0,
-                width: 224,
-                height: 248,
-            },
-        );
-
-        let atlas_mapper = crate::texture::sprite::AtlasMapper { frames: mapper };
-        let dummy_texture = unsafe { std::mem::zeroed() };
-        let atlas = crate::texture::sprite::SpriteAtlas::new(dummy_texture, atlas_mapper);
-
-        let mut map_texture = crate::texture::sprite::SpriteAtlas::get_tile(&atlas, "maze/full.png").unwrap();
-        map_texture.color = Some(Color::RGB(0x20, 0x20, 0xf9));
-
-        let text_texture = TextTexture::new(1.0);
-        let audio = Audio::new();
-        let pacman = Pacman::new(&map.graph, pacman_start_node, &atlas);
-
-        Game {
-            score: 0,
-            map,
-            pacman,
-            debug_mode: false,
-            map_texture,
-            text_texture,
-            audio,
-            atlas,
-        }
-    }
-
-    #[test]
-    fn test_game_keyboard_event_direction_keys() {
-        let mut game = create_test_game();
-
-        // Test that direction keys are handled
-        game.keyboard_event(Keycode::Up);
-        game.keyboard_event(Keycode::Down);
-        game.keyboard_event(Keycode::Left);
-        game.keyboard_event(Keycode::Right);
-
-        // Should not panic
-        assert!(true);
-    }
-
-    #[test]
-    fn test_game_keyboard_event_mute_toggle() {
-        let mut game = create_test_game();
-
-        let initial_mute_state = game.audio.is_muted();
-
-        // Toggle mute
-        game.keyboard_event(Keycode::M);
-
-        // Mute state should have changed
-        assert_eq!(game.audio.is_muted(), !initial_mute_state);
-
-        // Toggle again
-        game.keyboard_event(Keycode::M);
-
-        // Should be back to original state
-        assert_eq!(game.audio.is_muted(), initial_mute_state);
-    }
-
-    #[test]
-    fn test_game_tick() {
-        let mut game = create_test_game();
-
-        // Test that tick doesn't panic
-        game.tick(0.016); // 60 FPS frame time
-
-        assert!(true);
-    }
-
-    #[test]
-    fn test_game_initial_state() {
-        let game = create_test_game();
-
-        assert_eq!(game.score, 0);
-        assert!(!game.debug_mode);
-        assert!(game.map.graph.node_count() > 0);
-    }
-
-    #[test]
-    fn test_game_debug_mode_toggle() {
-        let mut game = create_test_game();
-
-        assert!(!game.debug_mode);
-
-        // Toggle debug mode (this would normally be done via Space key in the app)
-        game.debug_mode = !game.debug_mode;
-
-        assert!(game.debug_mode);
-    }
-
-    #[test]
-    fn test_game_score_increment() {
-        let mut game = create_test_game();
-
-        let initial_score = game.score;
-        game.score += 10;
-
-        assert_eq!(game.score, initial_score + 10);
-    }
-
-    #[test]
-    fn test_game_pacman_initialization() {
-        let game = create_test_game();
-
-        // Check that Pac-Man was initialized
-        assert_eq!(game.pacman.traverser.direction, crate::entity::direction::Direction::Left);
-        // The traverser might start moving immediately, so we just check the direction
-        assert_eq!(game.pacman.traverser.direction, crate::entity::direction::Direction::Left);
-    }
-
-    #[test]
-    fn test_game_map_initialization() {
-        let game = create_test_game();
-
-        // Check that map was initialized
-        assert!(game.map.graph.node_count() > 0);
-        assert!(!game.map.grid_to_node.is_empty());
-
-        // Check that Pac-Man's starting position exists
-        let pacman_pos = game.map.find_starting_position(0);
-        assert!(pacman_pos.is_some());
-    }
-}
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -9,43 +9,3 @@ pub fn centered_with_size(pixel_pos: IVec2, size: UVec2) -> Rect {
        size.y,
    )
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_centered_with_size_basic() {
-        let rect = centered_with_size(IVec2::new(100, 100), UVec2::new(50, 30));
-        assert_eq!(rect.origin(), (75, 85));
-        assert_eq!(rect.size(), (50, 30));
-    }
-
-    #[test]
-    fn test_centered_with_size_odd_dimensions() {
-        let rect = centered_with_size(IVec2::new(50, 50), UVec2::new(51, 31));
-        assert_eq!(rect.origin(), (25, 35));
-        assert_eq!(rect.size(), (51, 31));
-    }
-
-    #[test]
-    fn test_centered_with_size_zero_position() {
-        let rect = centered_with_size(IVec2::new(0, 0), UVec2::new(100, 100));
-        assert_eq!(rect.origin(), (-50, -50));
-        assert_eq!(rect.size(), (100, 100));
-    }
-
-    #[test]
-    fn test_centered_with_size_negative_position() {
-        let rect = centered_with_size(IVec2::new(-100, -50), UVec2::new(80, 40));
-        assert_eq!(rect.origin(), (-140, -70));
-        assert_eq!(rect.size(), (80, 40));
-    }
-
-    #[test]
-    fn test_centered_with_size_large_dimensions() {
-        let rect = centered_with_size(IVec2::new(1000, 1000), UVec2::new(1000, 1000));
-        assert_eq!(rect.origin(), (500, 500));
-        assert_eq!(rect.size(), (1000, 1000));
-    }
-}
--- a/src/map/builder.rs
+++ b/src/map/builder.rs
@@ -2,7 +2,7 @@

 use crate::constants::{MapTile, BOARD_CELL_SIZE, CELL_SIZE};
 use crate::entity::direction::{Direction, DIRECTIONS};
-use crate::entity::graph::{Graph, Node, NodeId};
+use crate::entity::graph::{EdgePermissions, Graph, Node, NodeId};
 use crate::map::parser::MapTileParser;
 use crate::map::render::MapRenderer;
 use crate::texture::sprite::{AtlasTile, SpriteAtlas};
@@ -259,10 +259,29 @@ impl Map {
        // Create the center line
        let (center_center_node_id, center_top_node_id) = create_house_line(graph, center_line_center_position);

-        // Connect the house entrance to the top line
+        // Create a ghost-only, two-way connection for the house door.
+        // This prevents Pac-Man from entering or exiting through the door.
        graph
-            .connect(house_entrance_node_id, center_top_node_id, false, None, Direction::Down)
-            .expect("Failed to connect house entrance to top line");
+            .add_edge(
+                house_entrance_node_id,
+                center_top_node_id,
+                false,
+                None,
+                Direction::Down,
+                EdgePermissions::GhostsOnly,
+            )
+            .expect("Failed to create ghost-only entrance to house");
+
+        graph
+            .add_edge(
+                center_top_node_id,
+                house_entrance_node_id,
+                false,
+                None,
+                Direction::Up,
+                EdgePermissions::GhostsOnly,
+            )
+            .expect("Failed to create ghost-only exit from house");

        // Create the left line
        let (left_center_node_id, _) = create_house_line(
@@ -349,162 +368,3 @@ impl Map {
            .expect("Failed to connect left tunnel hidden node to right tunnel hidden node");
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::constants::{BOARD_CELL_SIZE, CELL_SIZE};
-    use glam::{IVec2, Vec2};
-
-    fn create_minimal_test_board() -> [&'static str; BOARD_CELL_SIZE.y as usize] {
-        let mut board = [""; BOARD_CELL_SIZE.y as usize];
-        // Create a minimal valid board with house doors
-        board[0] = "############################";
-        board[1] = "#............##............#";
-        board[2] = "#.####.#####.##.#####.####.#";
-        board[3] = "#o####.#####.##.#####.####o#";
-        board[4] = "#.####.#####.##.#####.####.#";
-        board[5] = "#..........................#";
-        board[6] = "#.####.##.########.##.####.#";
-        board[7] = "#.####.##.########.##.####.#";
-        board[8] = "#......##....##....##......#";
-        board[9] = "######.##### ## #####.######";
-        board[10] = "     #.##### ## #####.#     ";
-        board[11] = "     #.##    ==    ##.#     ";
-        board[12] = "     #.## ######## ##.#     ";
-        board[13] = "######.## ######## ##.######";
-        board[14] = "T     .   ########   .     T";
-        board[15] = "######.## ######## ##.######";
-        board[16] = "     #.## ######## ##.#     ";
-        board[17] = "     #.##          ##.#     ";
-        board[18] = "     #.## ######## ##.#     ";
-        board[19] = "######.## ######## ##.######";
-        board[20] = "#............##............#";
-        board[21] = "#.####.#####.##.#####.####.#";
-        board[22] = "#.####.#####.##.#####.####.#";
-        board[23] = "#o..##.......X .......##..o#";
-        board[24] = "###.##.##.########.##.##.###";
-        board[25] = "###.##.##.########.##.##.###";
-        board[26] = "#......##....##....##......#";
-        board[27] = "#.##########.##.##########.#";
-        board[28] = "#.##########.##.##########.#";
-        board[29] = "#..........................#";
-        board[30] = "############################";
-        board
-    }
-
-    #[test]
-    fn test_map_new() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        assert!(map.graph.node_count() > 0);
-        assert!(!map.grid_to_node.is_empty());
-    }
-
-    #[test]
-    fn test_find_starting_position_pacman() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        let pacman_pos = map.find_starting_position(0);
-        assert!(pacman_pos.is_some());
-
-        let pos = pacman_pos.unwrap();
-        // Pacman should be found somewhere in the board
-        assert!(pos.x < BOARD_CELL_SIZE.x);
-        assert!(pos.y < BOARD_CELL_SIZE.y);
-    }
-
-    #[test]
-    fn test_find_starting_position_ghost() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        // Test for ghost 1 (might not exist in this board)
-        let ghost_pos = map.find_starting_position(1);
-        // Ghost 1 might not exist, so this could be None
-        if let Some(pos) = ghost_pos {
-            assert!(pos.x < BOARD_CELL_SIZE.x);
-            assert!(pos.y < BOARD_CELL_SIZE.y);
-        }
-    }
-
-    #[test]
-    fn test_find_starting_position_nonexistent() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        let pos = map.find_starting_position(99); // Non-existent entity
-        assert!(pos.is_none());
-    }
-
-    #[test]
-    fn test_map_graph_construction() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        // Check that nodes were created
-        assert!(map.graph.node_count() > 0);
-
-        // Check that grid_to_node mapping was created
-        assert!(!map.grid_to_node.is_empty());
-
-        // Check that some connections were made
-        let mut has_connections = false;
-        for intersection in &map.graph.adjacency_list {
-            if intersection.edges().next().is_some() {
-                has_connections = true;
-                break;
-            }
-        }
-        assert!(has_connections);
-    }
-
-    #[test]
-    fn test_map_grid_to_node_mapping() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        // Check that Pac-Man's position is mapped
-        let pacman_pos = map.find_starting_position(0).unwrap();
-        let grid_pos = IVec2::new(pacman_pos.x as i32, pacman_pos.y as i32);
-
-        assert!(map.grid_to_node.contains_key(&grid_pos));
-        let node_id = map.grid_to_node[&grid_pos];
-        assert!(map.graph.get_node(node_id).is_some());
-    }
-
-    #[test]
-    fn test_map_node_positions() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        // Check that node positions are correctly calculated
-        for (grid_pos, &node_id) in &map.grid_to_node {
-            let node = map.graph.get_node(node_id).unwrap();
-            let expected_pos = Vec2::new((grid_pos.x * CELL_SIZE as i32) as f32, (grid_pos.y * CELL_SIZE as i32) as f32)
-                + Vec2::splat(CELL_SIZE as f32 / 2.0);
-
-            assert_eq!(node.position, expected_pos);
-        }
-    }
-
-    #[test]
-    fn test_map_adjacent_connections() {
-        let board = create_minimal_test_board();
-        let map = Map::new(board);
-
-        // Check that adjacent walkable tiles are connected
-        // Find any node that has connections
-        let mut found_connected_node = false;
-        for &node_id in map.grid_to_node.values() {
-            let intersection = &map.graph.adjacency_list[node_id];
-            if intersection.edges().next().is_some() {
-                found_connected_node = true;
-                break;
-            }
-        }
-        assert!(found_connected_node);
-    }
-}
--- a/src/map/parser.rs
+++ b/src/map/parser.rs
@@ -118,56 +118,3 @@ impl MapTileParser {
        })
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::constants::RAW_BOARD;
-
-    #[test]
-    fn test_parse_character() {
-        assert!(matches!(MapTileParser::parse_character('#').unwrap(), MapTile::Wall));
-        assert!(matches!(MapTileParser::parse_character('.').unwrap(), MapTile::Pellet));
-        assert!(matches!(MapTileParser::parse_character('o').unwrap(), MapTile::PowerPellet));
-        assert!(matches!(MapTileParser::parse_character(' ').unwrap(), MapTile::Empty));
-        assert!(matches!(MapTileParser::parse_character('T').unwrap(), MapTile::Tunnel));
-        assert!(matches!(MapTileParser::parse_character('X').unwrap(), MapTile::Empty));
-        assert!(matches!(MapTileParser::parse_character('=').unwrap(), MapTile::Wall));
-
-        // Test invalid character
-        assert!(MapTileParser::parse_character('Z').is_err());
-    }
-
-    #[test]
-    fn test_parse_board() {
-        let result = MapTileParser::parse_board(RAW_BOARD);
-        assert!(result.is_ok());
-
-        let parsed = result.unwrap();
-
-        // Verify we have tiles
-        assert_eq!(parsed.tiles.len(), BOARD_CELL_SIZE.x as usize);
-        assert_eq!(parsed.tiles[0].len(), BOARD_CELL_SIZE.y as usize);
-
-        // Verify we found house door positions
-        assert!(parsed.house_door[0].is_some());
-        assert!(parsed.house_door[1].is_some());
-
-        // Verify we found tunnel ends
-        assert!(parsed.tunnel_ends[0].is_some());
-        assert!(parsed.tunnel_ends[1].is_some());
-
-        // Verify we found Pac-Man's starting position
-        assert!(parsed.pacman_start.is_some());
-    }
-
-    #[test]
-    fn test_parse_board_invalid_character() {
-        let mut invalid_board = RAW_BOARD.clone();
-        invalid_board[0] = "###########################Z";
-
-        let result = MapTileParser::parse_board(invalid_board);
-        assert!(result.is_err());
-        assert!(matches!(result.unwrap_err(), ParseError::UnknownCharacter('Z')));
-    }
-}
--- a/src/map/render.rs
+++ b/src/map/render.rs
@@ -65,80 +65,3 @@ impl MapRenderer {
        }
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::entity::graph::{Graph, Node};
-    use crate::texture::sprite::{AtlasMapper, MapperFrame};
-    use std::collections::HashMap;
-
-    fn create_test_graph() -> Graph {
-        let mut graph = Graph::new();
-        let node1 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 0.0),
-        });
-        let node2 = graph.add_node(Node {
-            position: glam::Vec2::new(16.0, 0.0),
-        });
-        let node3 = graph.add_node(Node {
-            position: glam::Vec2::new(0.0, 16.0),
-        });
-
-        graph
-            .connect(node1, node2, false, None, crate::entity::direction::Direction::Right)
-            .unwrap();
-        graph
-            .connect(node1, node3, false, None, crate::entity::direction::Direction::Down)
-            .unwrap();
-
-        graph
-    }
-
-    fn create_test_atlas() -> SpriteAtlas {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "maze/full.png".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 224,
-                height: 248,
-            },
-        );
-        let mapper = AtlasMapper { frames };
-        let dummy_texture = unsafe { std::mem::zeroed() };
-        SpriteAtlas::new(dummy_texture, mapper)
-    }
-
-    #[test]
-    fn test_render_map_does_not_panic() {
-        // This test just ensures the function doesn't panic
-        // We can't easily test the actual rendering without SDL context
-        let atlas = create_test_atlas();
-        let _map_texture = SpriteAtlas::get_tile(&atlas, "maze/full.png").unwrap();
-
-        // The function should not panic even with dummy data
-        // Note: We can't actually call render_map without a canvas, but we can test the logic
-        assert!(true); // Placeholder test
-    }
-
-    #[test]
-    fn test_debug_render_nodes_does_not_panic() {
-        // This test just ensures the function doesn't panic
-        // We can't easily test the actual rendering without SDL context
-        let _graph = create_test_graph();
-
-        // The function should not panic even with dummy data
-        // Note: We can't actually call debug_render_nodes without a canvas, but we can test the logic
-        assert!(true); // Placeholder test
-    }
-
-    #[test]
-    fn test_map_renderer_structure() {
-        // Test that MapRenderer is a unit struct
-        let _renderer = MapRenderer;
-        // This should compile and not panic
-        assert!(true);
-    }
-}
--- a/src/texture/animated.rs
+++ b/src/texture/animated.rs
@@ -74,127 +74,3 @@ impl AnimatedTexture {
        self.tiles.len()
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use glam::U16Vec2;
-    use sdl2::pixels::Color;
-
-    impl AtlasTile {
-        fn mock(id: u32) -> Self {
-            AtlasTile {
-                pos: U16Vec2::new(0, 0),
-                size: U16Vec2::new(16, 16),
-                color: Some(Color::RGB(id as u8, 0, 0)),
-            }
-        }
-    }
-
-    #[test]
-    fn test_new_animated_texture() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2), AtlasTile::mock(3)];
-        let texture = AnimatedTexture::new(tiles.clone(), 0.1).unwrap();
-
-        assert_eq!(texture.current_frame(), 0);
-        assert_eq!(texture.time_bank(), 0.0);
-        assert_eq!(texture.frame_duration(), 0.1);
-        assert_eq!(texture.tiles_len(), 3);
-    }
-
-    #[test]
-    fn test_new_animated_texture_zero_duration() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let result = AnimatedTexture::new(tiles, 0.0);
-        assert!(result.is_err());
-        assert!(matches!(result.unwrap_err(), AnimatedTextureError::InvalidFrameDuration(0.0)));
-    }
-
-    #[test]
-    fn test_new_animated_texture_negative_duration() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let result = AnimatedTexture::new(tiles, -0.1);
-        assert!(result.is_err());
-        assert!(matches!(
-            result.unwrap_err(),
-            AnimatedTextureError::InvalidFrameDuration(-0.1)
-        ));
-    }
-
-    #[test]
-    fn test_tick_no_frame_change() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Tick with less than frame duration
-        texture.tick(0.05);
-        assert_eq!(texture.current_frame(), 0);
-        assert_eq!(texture.time_bank(), 0.05);
-    }
-
-    #[test]
-    fn test_tick_single_frame_change() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Tick with exactly frame duration
-        texture.tick(0.1);
-        assert_eq!(texture.current_frame(), 1);
-        assert_eq!(texture.time_bank(), 0.0);
-    }
-
-    #[test]
-    fn test_tick_multiple_frame_changes() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2), AtlasTile::mock(3)];
-        let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Tick with 2.5 frame durations
-        texture.tick(0.25);
-        assert_eq!(texture.current_frame(), 2);
-        assert!((texture.time_bank() - 0.05).abs() < 0.001);
-    }
-
-    #[test]
-    fn test_tick_wrap_around() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Advance to last frame
-        texture.tick(0.1);
-        assert_eq!(texture.current_frame(), 1);
-
-        // Advance again to wrap around
-        texture.tick(0.1);
-        assert_eq!(texture.current_frame(), 0);
-    }
-
-    #[test]
-    fn test_current_tile() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Should return first tile initially
-        assert_eq!(texture.current_tile().color.unwrap().r, 1);
-    }
-
-    #[test]
-    fn test_current_tile_after_frame_change() {
-        let tiles = vec![AtlasTile::mock(1), AtlasTile::mock(2)];
-        let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Advance one frame
-        texture.tick(0.1);
-        assert_eq!(texture.current_tile().color.unwrap().r, 2);
-    }
-
-    #[test]
-    fn test_single_tile_animation() {
-        let tiles = vec![AtlasTile::mock(1)];
-        let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
-
-        // Should stay on same frame
-        texture.tick(0.1);
-        assert_eq!(texture.current_frame(), 0);
-        assert_eq!(texture.current_tile().color.unwrap().r, 1);
-    }
-}
--- a/src/texture/blinking.rs
+++ b/src/texture/blinking.rs
@@ -44,135 +44,3 @@ impl BlinkingTexture {
        self.blink_duration
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use glam::U16Vec2;
-    use sdl2::pixels::Color;
-
-    fn mock_atlas_tile(id: u32) -> AtlasTile {
-        AtlasTile {
-            pos: U16Vec2::new(0, 0),
-            size: U16Vec2::new(16, 16),
-            color: Some(Color::RGB(id as u8, 0, 0)),
-        }
-    }
-
-    #[test]
-    fn test_new_blinking_texture() {
-        let tile = mock_atlas_tile(1);
-        let texture = BlinkingTexture::new(tile, 0.5);
-
-        assert_eq!(texture.is_on(), true);
-        assert_eq!(texture.time_bank(), 0.0);
-        assert_eq!(texture.blink_duration(), 0.5);
-        assert_eq!(texture.tile().color.unwrap().r, 1);
-    }
-
-    #[test]
-    fn test_tick_no_blink_change() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, 0.5);
-
-        // Tick with less than blink duration
-        texture.tick(0.25);
-        assert_eq!(texture.is_on(), true);
-        assert_eq!(texture.time_bank(), 0.25);
-    }
-
-    #[test]
-    fn test_tick_single_blink_change() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, 0.5);
-
-        // Tick with exactly blink duration
-        texture.tick(0.5);
-        assert_eq!(texture.is_on(), false);
-        assert_eq!(texture.time_bank(), 0.0);
-    }
-
-    #[test]
-    fn test_tick_multiple_blink_changes() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, 0.5);
-
-        // First blink
-        texture.tick(0.5);
-        assert_eq!(texture.is_on(), false);
-
-        // Second blink (back to on)
-        texture.tick(0.5);
-        assert_eq!(texture.is_on(), true);
-
-        // Third blink (back to off)
-        texture.tick(0.5);
-        assert_eq!(texture.is_on(), false);
-    }
-
-    #[test]
-    fn test_tick_partial_blink_duration() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, 0.5);
-
-        // Tick with 1.25 blink durations
-        texture.tick(0.625);
-        assert_eq!(texture.is_on(), false);
-        assert_eq!(texture.time_bank(), 0.125);
-    }
-
-    #[test]
-    fn test_tick_with_zero_duration() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, 0.0);
-
-        // Should not cause issues - skip the test if blink_duration is 0
-        if texture.blink_duration() > 0.0 {
-            texture.tick(0.1);
-            assert_eq!(texture.is_on(), true);
-        }
-    }
-
-    #[test]
-    fn test_tick_with_negative_duration() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, -0.5);
-
-        // Should not cause issues - skip the test if blink_duration is negative
-        if texture.blink_duration() > 0.0 {
-            texture.tick(0.1);
-            assert_eq!(texture.is_on(), true);
-        }
-    }
-
-    #[test]
-    fn test_tick_with_negative_delta_time() {
-        let tile = mock_atlas_tile(1);
-        let mut texture = BlinkingTexture::new(tile, 0.5);
-
-        // Should not cause issues
-        texture.tick(-0.1);
-        assert_eq!(texture.is_on(), true);
-        assert_eq!(texture.time_bank(), -0.1);
-    }
-
-    #[test]
-    fn test_tile_access() {
-        let tile = mock_atlas_tile(42);
-        let texture = BlinkingTexture::new(tile, 0.5);
-
-        assert_eq!(texture.tile().color.unwrap().r, 42);
-    }
-
-    #[test]
-    fn test_clone() {
-        let tile = mock_atlas_tile(1);
-        let texture = BlinkingTexture::new(tile, 0.5);
-        let cloned = texture.clone();
-
-        assert_eq!(texture.is_on(), cloned.is_on());
-        assert_eq!(texture.time_bank(), cloned.time_bank());
-        assert_eq!(texture.blink_duration(), cloned.blink_duration());
-        assert_eq!(texture.tile().color.unwrap().r, cloned.tile().color.unwrap().r);
-    }
-}
--- a/src/texture/directional.rs
+++ b/src/texture/directional.rs
@@ -79,112 +79,3 @@ impl DirectionalAnimatedTexture {
        self.stopped_textures.len()
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::texture::sprite::AtlasTile;
-    use glam::U16Vec2;
-    use sdl2::pixels::Color;
-
-    fn mock_atlas_tile(id: u32) -> AtlasTile {
-        AtlasTile {
-            pos: U16Vec2::new(0, 0),
-            size: U16Vec2::new(16, 16),
-            color: Some(Color::RGB(id as u8, 0, 0)),
-        }
-    }
-
-    fn mock_animated_texture(id: u32) -> AnimatedTexture {
-        AnimatedTexture::new(vec![mock_atlas_tile(id)], 0.1).expect("Invalid frame duration")
-    }
-
-    #[test]
-    fn test_new_directional_animated_texture() {
-        let mut textures = HashMap::new();
-        let mut stopped_textures = HashMap::new();
-
-        textures.insert(Direction::Up, mock_animated_texture(1));
-        textures.insert(Direction::Down, mock_animated_texture(2));
-        stopped_textures.insert(Direction::Up, mock_animated_texture(3));
-        stopped_textures.insert(Direction::Down, mock_animated_texture(4));
-
-        let texture = DirectionalAnimatedTexture::new(textures, stopped_textures);
-
-        assert_eq!(texture.texture_count(), 2);
-        assert_eq!(texture.stopped_texture_count(), 2);
-        assert!(texture.has_direction(Direction::Up));
-        assert!(texture.has_direction(Direction::Down));
-        assert!(!texture.has_direction(Direction::Left));
-        assert!(texture.has_stopped_direction(Direction::Up));
-        assert!(texture.has_stopped_direction(Direction::Down));
-        assert!(!texture.has_stopped_direction(Direction::Left));
-    }
-
-    #[test]
-    fn test_tick() {
-        let mut textures = HashMap::new();
-        textures.insert(Direction::Up, mock_animated_texture(1));
-        textures.insert(Direction::Down, mock_animated_texture(2));
-
-        let mut texture = DirectionalAnimatedTexture::new(textures, HashMap::new());
-
-        // Should not panic
-        texture.tick(0.1);
-        assert_eq!(texture.texture_count(), 2);
-    }
-
-    #[test]
-    fn test_empty_texture() {
-        let texture = DirectionalAnimatedTexture::new(HashMap::new(), HashMap::new());
-
-        assert_eq!(texture.texture_count(), 0);
-        assert_eq!(texture.stopped_texture_count(), 0);
-        assert!(!texture.has_direction(Direction::Up));
-        assert!(!texture.has_stopped_direction(Direction::Up));
-    }
-
-    #[test]
-    fn test_partial_directions() {
-        let mut textures = HashMap::new();
-        textures.insert(Direction::Up, mock_animated_texture(1));
-
-        let texture = DirectionalAnimatedTexture::new(textures, HashMap::new());
-
-        assert_eq!(texture.texture_count(), 1);
-        assert!(texture.has_direction(Direction::Up));
-        assert!(!texture.has_direction(Direction::Down));
-        assert!(!texture.has_direction(Direction::Left));
-        assert!(!texture.has_direction(Direction::Right));
-    }
-
-    #[test]
-    fn test_clone() {
-        let mut textures = HashMap::new();
-        textures.insert(Direction::Up, mock_animated_texture(1));
-
-        let texture = DirectionalAnimatedTexture::new(textures, HashMap::new());
-        let cloned = texture.clone();
-
-        assert_eq!(texture.texture_count(), cloned.texture_count());
-        assert_eq!(texture.stopped_texture_count(), cloned.stopped_texture_count());
-        assert_eq!(texture.has_direction(Direction::Up), cloned.has_direction(Direction::Up));
-    }
-
-    #[test]
-    fn test_all_directions() {
-        let mut textures = HashMap::new();
-        textures.insert(Direction::Up, mock_animated_texture(1));
-        textures.insert(Direction::Down, mock_animated_texture(2));
-        textures.insert(Direction::Left, mock_animated_texture(3));
-        textures.insert(Direction::Right, mock_animated_texture(4));
-
-        let texture = DirectionalAnimatedTexture::new(textures, HashMap::new());
-
-        assert_eq!(texture.texture_count(), 4);
-        assert!(texture.has_direction(Direction::Up));
-        assert!(texture.has_direction(Direction::Down));
-        assert!(texture.has_direction(Direction::Left));
-        assert!(texture.has_direction(Direction::Right));
-    }
-}
--- a/src/texture/sprite.rs
+++ b/src/texture/sprite.rs
@@ -134,236 +134,3 @@ impl SpriteAtlas {
 pub unsafe fn texture_to_static(texture: Texture) -> Texture<'static> {
    std::mem::transmute(texture)
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use sdl2::pixels::Color;
-
-    // Mock texture for testing - we'll use a dummy approach since we can't create real SDL2 textures
-    fn mock_texture() -> Texture<'static> {
-        // This is unsafe and only for testing - in real usage this would be a proper texture
-        unsafe { std::mem::transmute(0usize) }
-    }
-
-    #[test]
-    fn test_atlas_tile_new() {
-        let pos = U16Vec2::new(10, 20);
-        let size = U16Vec2::new(32, 32);
-        let tile = AtlasTile::new(pos, size, None);
-
-        assert_eq!(tile.pos, pos);
-        assert_eq!(tile.size, size);
-        assert_eq!(tile.color, None);
-    }
-
-    #[test]
-    fn test_atlas_tile_with_color() {
-        let pos = U16Vec2::new(10, 20);
-        let size = U16Vec2::new(32, 32);
-        let color = Color::RGB(255, 0, 0);
-        let tile = AtlasTile::new(pos, size, None).with_color(color);
-
-        assert_eq!(tile.pos, pos);
-        assert_eq!(tile.size, size);
-        assert_eq!(tile.color, Some(color));
-    }
-
-    #[test]
-    fn test_mapper_frame() {
-        let frame = MapperFrame {
-            x: 10,
-            y: 20,
-            width: 32,
-            height: 32,
-        };
-
-        assert_eq!(frame.x, 10);
-        assert_eq!(frame.y, 20);
-        assert_eq!(frame.width, 32);
-        assert_eq!(frame.height, 32);
-    }
-
-    #[test]
-    fn test_atlas_mapper_new() {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "test".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 32,
-                height: 32,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-
-        assert_eq!(mapper.frames.len(), 1);
-        assert!(mapper.frames.contains_key("test"));
-    }
-
-    #[test]
-    fn test_sprite_atlas_new() {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "test".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 32,
-                height: 32,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-        let texture = mock_texture();
-        let atlas = SpriteAtlas::new(texture, mapper);
-
-        assert_eq!(atlas.tiles_count(), 1);
-        assert!(atlas.has_tile("test"));
-        assert_eq!(atlas.default_color(), None);
-    }
-
-    #[test]
-    fn test_sprite_atlas_get_tile() {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "test".to_string(),
-            MapperFrame {
-                x: 10,
-                y: 20,
-                width: 32,
-                height: 64,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-        let texture = mock_texture();
-        let atlas = SpriteAtlas::new(texture, mapper);
-
-        let tile = atlas.get_tile("test");
-        assert!(tile.is_some());
-
-        let tile = tile.unwrap();
-        assert_eq!(tile.pos, U16Vec2::new(10, 20));
-        assert_eq!(tile.size, U16Vec2::new(32, 64));
-        assert_eq!(tile.color, None);
-    }
-
-    #[test]
-    fn test_sprite_atlas_get_tile_nonexistent() {
-        let mapper = AtlasMapper { frames: HashMap::new() };
-        let texture = mock_texture();
-        let atlas = SpriteAtlas::new(texture, mapper);
-
-        let tile = atlas.get_tile("nonexistent");
-        assert!(tile.is_none());
-    }
-
-    #[test]
-    fn test_sprite_atlas_set_color() {
-        let mapper = AtlasMapper { frames: HashMap::new() };
-        let texture = mock_texture();
-        let mut atlas = SpriteAtlas::new(texture, mapper);
-
-        assert_eq!(atlas.default_color(), None);
-
-        let color = Color::RGB(255, 0, 0);
-        atlas.set_color(color);
-
-        assert_eq!(atlas.default_color(), Some(color));
-    }
-
-    #[test]
-    fn test_sprite_atlas_empty() {
-        let mapper = AtlasMapper { frames: HashMap::new() };
-        let texture = mock_texture();
-        let atlas = SpriteAtlas::new(texture, mapper);
-
-        assert_eq!(atlas.tiles_count(), 0);
-        assert!(!atlas.has_tile("any"));
-    }
-
-    #[test]
-    fn test_sprite_atlas_multiple_tiles() {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "tile1".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 32,
-                height: 32,
-            },
-        );
-        frames.insert(
-            "tile2".to_string(),
-            MapperFrame {
-                x: 32,
-                y: 0,
-                width: 64,
-                height: 64,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-        let texture = mock_texture();
-        let atlas = SpriteAtlas::new(texture, mapper);
-
-        assert_eq!(atlas.tiles_count(), 2);
-        assert!(atlas.has_tile("tile1"));
-        assert!(atlas.has_tile("tile2"));
-        assert!(!atlas.has_tile("tile3"));
-    }
-
-    #[test]
-    fn test_atlas_tile_clone() {
-        let pos = U16Vec2::new(10, 20);
-        let size = U16Vec2::new(32, 32);
-        let color = Color::RGB(255, 0, 0);
-        let tile = AtlasTile::new(pos, size, Some(color));
-        let cloned = tile;
-
-        assert_eq!(tile.pos, cloned.pos);
-        assert_eq!(tile.size, cloned.size);
-        assert_eq!(tile.color, cloned.color);
-    }
-
-    #[test]
-    fn test_mapper_frame_clone() {
-        let frame = MapperFrame {
-            x: 10,
-            y: 20,
-            width: 32,
-            height: 64,
-        };
-        let cloned = frame;
-
-        assert_eq!(frame.x, cloned.x);
-        assert_eq!(frame.y, cloned.y);
-        assert_eq!(frame.width, cloned.width);
-        assert_eq!(frame.height, cloned.height);
-    }
-
-    #[test]
-    fn test_atlas_mapper_clone() {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "test".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 32,
-                height: 32,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-        let cloned = mapper.clone();
-
-        assert_eq!(mapper.frames.len(), cloned.frames.len());
-        assert!(mapper.frames.contains_key("test"));
-        assert!(cloned.frames.contains_key("test"));
-    }
-}
--- a/src/texture/text.rs
+++ b/src/texture/text.rs
@@ -151,228 +151,3 @@ impl TextTexture {
        (8.0 * self.scale) as u32
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
-    use std::collections::HashMap;
-
-    fn create_mock_atlas() -> SpriteAtlas {
-        let mut frames = HashMap::new();
-        frames.insert(
-            "text/A.png".to_string(),
-            MapperFrame {
-                x: 0,
-                y: 0,
-                width: 8,
-                height: 8,
-            },
-        );
-        frames.insert(
-            "text/1.png".to_string(),
-            MapperFrame {
-                x: 8,
-                y: 0,
-                width: 8,
-                height: 8,
-            },
-        );
-        frames.insert(
-            "text/!.png".to_string(),
-            MapperFrame {
-                x: 16,
-                y: 0,
-                width: 8,
-                height: 8,
-            },
-        );
-        frames.insert(
-            "text/-.png".to_string(),
-            MapperFrame {
-                x: 24,
-                y: 0,
-                width: 8,
-                height: 8,
-            },
-        );
-        frames.insert(
-            "text/_double_quote.png".to_string(),
-            MapperFrame {
-                x: 32,
-                y: 0,
-                width: 8,
-                height: 8,
-            },
-        );
-        frames.insert(
-            "text/_forward_slash.png".to_string(),
-            MapperFrame {
-                x: 40,
-                y: 0,
-                width: 8,
-                height: 8,
-            },
-        );
-
-        let mapper = AtlasMapper { frames };
-        // Note: In real tests, we'd need a proper texture, but for unit tests we can work around this
-        unsafe { SpriteAtlas::new(std::mem::zeroed(), mapper) }
-    }
-
-    #[test]
-    fn test_text_texture_new() {
-        let text_texture = TextTexture::new(1.0);
-        assert_eq!(text_texture.scale(), 1.0);
-        assert!(text_texture.char_map.is_empty());
-    }
-
-    #[test]
-    fn test_text_texture_new_with_scale() {
-        let text_texture = TextTexture::new(2.5);
-        assert_eq!(text_texture.scale(), 2.5);
-    }
-
-    #[test]
-    fn test_char_to_tile_name_letters() {
-        let text_texture = TextTexture::new(1.0);
-
-        assert_eq!(text_texture.char_to_tile_name('A'), Some("text/A.png".to_string()));
-        assert_eq!(text_texture.char_to_tile_name('Z'), Some("text/Z.png".to_string()));
-        assert_eq!(text_texture.char_to_tile_name('a'), None); // lowercase not supported
-    }
-
-    #[test]
-    fn test_char_to_tile_name_numbers() {
-        let text_texture = TextTexture::new(1.0);
-
-        assert_eq!(text_texture.char_to_tile_name('0'), Some("text/0.png".to_string()));
-        assert_eq!(text_texture.char_to_tile_name('9'), Some("text/9.png".to_string()));
-    }
-
-    #[test]
-    fn test_char_to_tile_name_special_characters() {
-        let text_texture = TextTexture::new(1.0);
-
-        assert_eq!(text_texture.char_to_tile_name('!'), Some("text/!.png".to_string()));
-        assert_eq!(text_texture.char_to_tile_name('-'), Some("text/-.png".to_string()));
-        assert_eq!(
-            text_texture.char_to_tile_name('"'),
-            Some("text/_double_quote.png".to_string())
-        );
-        assert_eq!(
-            text_texture.char_to_tile_name('/'),
-            Some("text/_forward_slash.png".to_string())
-        );
-    }
-
-    #[test]
-    fn test_char_to_tile_name_unsupported() {
-        let text_texture = TextTexture::new(1.0);
-
-        assert_eq!(text_texture.char_to_tile_name(' '), None);
-        assert_eq!(text_texture.char_to_tile_name('@'), None);
-        assert_eq!(text_texture.char_to_tile_name('a'), None);
-        assert_eq!(text_texture.char_to_tile_name('z'), None);
-    }
-
-    #[test]
-    fn test_set_scale() {
-        let mut text_texture = TextTexture::new(1.0);
-        assert_eq!(text_texture.scale(), 1.0);
-
-        text_texture.set_scale(3.0);
-        assert_eq!(text_texture.scale(), 3.0);
-
-        text_texture.set_scale(0.5);
-        assert_eq!(text_texture.scale(), 0.5);
-    }
-
-    #[test]
-    fn test_text_width_empty_string() {
-        let text_texture = TextTexture::new(1.0);
-        assert_eq!(text_texture.text_width(""), 0);
-    }
-
-    #[test]
-    fn test_text_width_single_character() {
-        let text_texture = TextTexture::new(1.0);
-        assert_eq!(text_texture.text_width("A"), 8); // 8 pixels per character at scale 1.0
-    }
-
-    #[test]
-    fn test_text_width_multiple_characters() {
-        let text_texture = TextTexture::new(1.0);
-        assert_eq!(text_texture.text_width("ABC"), 24); // 3 * 8 = 24 pixels
-    }
-
-    #[test]
-    fn test_text_width_with_scale() {
-        let text_texture = TextTexture::new(2.0);
-        assert_eq!(text_texture.text_width("A"), 16); // 8 * 2 = 16 pixels
-        assert_eq!(text_texture.text_width("ABC"), 48); // 3 * 16 = 48 pixels
-    }
-
-    #[test]
-    fn test_text_width_with_unsupported_characters() {
-        let text_texture = TextTexture::new(1.0);
-        // Only supported characters should be counted
-        assert_eq!(text_texture.text_width("A B"), 16); // A and B only, space ignored
-        assert_eq!(text_texture.text_width("A@B"), 16); // A and B only, @ ignored
-    }
-
-    #[test]
-    fn test_text_height() {
-        let text_texture = TextTexture::new(1.0);
-        assert_eq!(text_texture.text_height(), 8); // 8 pixels per character at scale 1.0
-    }
-
-    #[test]
-    fn test_text_height_with_scale() {
-        let text_texture = TextTexture::new(2.0);
-        assert_eq!(text_texture.text_height(), 16); // 8 * 2 = 16 pixels
-    }
-
-    #[test]
-    fn test_text_height_with_fractional_scale() {
-        let text_texture = TextTexture::new(1.5);
-        assert_eq!(text_texture.text_height(), 12); // 8 * 1.5 = 12 pixels
-    }
-
-    #[test]
-    fn test_get_char_tile_caching() {
-        let mut text_texture = TextTexture::new(1.0);
-        let atlas = create_mock_atlas();
-
-        // First call should cache the tile
-        let tile1 = text_texture.get_char_tile(&atlas, 'A');
-        assert!(tile1.is_some());
-
-        // Second call should use cached tile
-        let tile2 = text_texture.get_char_tile(&atlas, 'A');
-        assert!(tile2.is_some());
-
-        // Both should be the same tile
-        assert_eq!(tile1.unwrap().pos, tile2.unwrap().pos);
-        assert_eq!(tile1.unwrap().size, tile2.unwrap().size);
-    }
-
-    #[test]
-    fn test_get_char_tile_unsupported_character() {
-        let mut text_texture = TextTexture::new(1.0);
-        let atlas = create_mock_atlas();
-
-        let tile = text_texture.get_char_tile(&atlas, ' ');
-        assert!(tile.is_none());
-    }
-
-    #[test]
-    fn test_get_char_tile_missing_from_atlas() {
-        let mut text_texture = TextTexture::new(1.0);
-        let atlas = create_mock_atlas();
-
-        // 'B' is not in our mock atlas
-        let tile = text_texture.get_char_tile(&atlas, 'B');
-        assert!(tile.is_none());
-    }
-}
--- a/tests/animated.rs
+++ b/tests/animated.rs
@@ -0,0 +1,61 @@
+use glam::U16Vec2;
+use pacman::texture::animated::{AnimatedTexture, AnimatedTextureError};
+use pacman::texture::sprite::AtlasTile;
+use sdl2::pixels::Color;
+
+fn mock_atlas_tile(id: u32) -> AtlasTile {
+    AtlasTile {
+        pos: U16Vec2::new(0, 0),
+        size: U16Vec2::new(16, 16),
+        color: Some(Color::RGB(id as u8, 0, 0)),
+    }
+}
+
+#[test]
+fn test_animated_texture_creation_errors() {
+    let tiles = vec![mock_atlas_tile(1), mock_atlas_tile(2)];
+
+    assert!(matches!(
+        AnimatedTexture::new(tiles.clone(), 0.0).unwrap_err(),
+        AnimatedTextureError::InvalidFrameDuration(0.0)
+    ));
+
+    assert!(matches!(
+        AnimatedTexture::new(tiles, -0.1).unwrap_err(),
+        AnimatedTextureError::InvalidFrameDuration(-0.1)
+    ));
+}
+
+#[test]
+fn test_animated_texture_advancement() {
+    let tiles = vec![mock_atlas_tile(1), mock_atlas_tile(2), mock_atlas_tile(3)];
+    let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
+
+    assert_eq!(texture.current_frame(), 0);
+
+    texture.tick(0.25);
+    assert_eq!(texture.current_frame(), 2);
+    assert!((texture.time_bank() - 0.05).abs() < 0.001);
+}
+
+#[test]
+fn test_animated_texture_wrap_around() {
+    let tiles = vec![mock_atlas_tile(1), mock_atlas_tile(2)];
+    let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
+
+    texture.tick(0.1);
+    assert_eq!(texture.current_frame(), 1);
+
+    texture.tick(0.1);
+    assert_eq!(texture.current_frame(), 0);
+}
+
+#[test]
+fn test_animated_texture_single_frame() {
+    let tiles = vec![mock_atlas_tile(1)];
+    let mut texture = AnimatedTexture::new(tiles, 0.1).unwrap();
+
+    texture.tick(0.1);
+    assert_eq!(texture.current_frame(), 0);
+    assert_eq!(texture.current_tile().color.unwrap().r, 1);
+}
--- a/tests/blinking.rs
+++ b/tests/blinking.rs
@@ -0,0 +1,49 @@
+use glam::U16Vec2;
+use pacman::texture::blinking::BlinkingTexture;
+use pacman::texture::sprite::AtlasTile;
+use sdl2::pixels::Color;
+
+fn mock_atlas_tile(id: u32) -> AtlasTile {
+    AtlasTile {
+        pos: U16Vec2::new(0, 0),
+        size: U16Vec2::new(16, 16),
+        color: Some(Color::RGB(id as u8, 0, 0)),
+    }
+}
+
+#[test]
+fn test_blinking_texture() {
+    let tile = mock_atlas_tile(1);
+    let mut texture = BlinkingTexture::new(tile, 0.5);
+
+    assert_eq!(texture.is_on(), true);
+
+    texture.tick(0.5);
+    assert_eq!(texture.is_on(), false);
+
+    texture.tick(0.5);
+    assert_eq!(texture.is_on(), true);
+
+    texture.tick(0.5);
+    assert_eq!(texture.is_on(), false);
+}
+
+#[test]
+fn test_blinking_texture_partial_duration() {
+    let tile = mock_atlas_tile(1);
+    let mut texture = BlinkingTexture::new(tile, 0.5);
+
+    texture.tick(0.625);
+    assert_eq!(texture.is_on(), false);
+    assert_eq!(texture.time_bank(), 0.125);
+}
+
+#[test]
+fn test_blinking_texture_negative_time() {
+    let tile = mock_atlas_tile(1);
+    let mut texture = BlinkingTexture::new(tile, 0.5);
+
+    texture.tick(-0.1);
+    assert_eq!(texture.is_on(), true);
+    assert_eq!(texture.time_bank(), -0.1);
+}
--- a/tests/constants.rs
+++ b/tests/constants.rs
@@ -0,0 +1,28 @@
+use pacman::constants::*;
+
+#[test]
+fn test_raw_board_structure() {
+    assert_eq!(RAW_BOARD.len(), BOARD_CELL_SIZE.y as usize);
+
+    for row in RAW_BOARD.iter() {
+        assert_eq!(row.len(), BOARD_CELL_SIZE.x as usize);
+    }
+
+    // Test boundaries
+    assert!(RAW_BOARD[0].chars().all(|c| c == '#'));
+    assert!(RAW_BOARD[RAW_BOARD.len() - 1].chars().all(|c| c == '#'));
+
+    // Test tunnel row
+    let tunnel_row = RAW_BOARD[14];
+    assert_eq!(tunnel_row.chars().next().unwrap(), 'T');
+    assert_eq!(tunnel_row.chars().last().unwrap(), 'T');
+}
+
+#[test]
+fn test_raw_board_content() {
+    let power_pellet_count = RAW_BOARD.iter().flat_map(|row| row.chars()).filter(|&c| c == 'o').count();
+    assert_eq!(power_pellet_count, 4);
+
+    assert!(RAW_BOARD.iter().any(|row| row.contains('X')));
+    assert!(RAW_BOARD.iter().any(|row| row.contains("==")));
+}
--- a/tests/direction.rs
+++ b/tests/direction.rs
@@ -0,0 +1,31 @@
+use glam::IVec2;
+use pacman::entity::direction::*;
+
+#[test]
+fn test_direction_opposite() {
+    let test_cases = [
+        (Direction::Up, Direction::Down),
+        (Direction::Down, Direction::Up),
+        (Direction::Left, Direction::Right),
+        (Direction::Right, Direction::Left),
+    ];
+
+    for (dir, expected) in test_cases {
+        assert_eq!(dir.opposite(), expected);
+    }
+}
+
+#[test]
+fn test_direction_as_ivec2() {
+    let test_cases = [
+        (Direction::Up, -IVec2::Y),
+        (Direction::Down, IVec2::Y),
+        (Direction::Left, -IVec2::X),
+        (Direction::Right, IVec2::X),
+    ];
+
+    for (dir, expected) in test_cases {
+        assert_eq!(dir.as_ivec2(), expected);
+        assert_eq!(IVec2::from(dir), expected);
+    }
+}
--- a/tests/directional.rs
+++ b/tests/directional.rs
@@ -0,0 +1,55 @@
+use glam::U16Vec2;
+use pacman::entity::direction::Direction;
+use pacman::texture::animated::AnimatedTexture;
+use pacman::texture::directional::DirectionalAnimatedTexture;
+use pacman::texture::sprite::AtlasTile;
+use sdl2::pixels::Color;
+use std::collections::HashMap;
+
+fn mock_atlas_tile(id: u32) -> AtlasTile {
+    AtlasTile {
+        pos: U16Vec2::new(0, 0),
+        size: U16Vec2::new(16, 16),
+        color: Some(Color::RGB(id as u8, 0, 0)),
+    }
+}
+
+fn mock_animated_texture(id: u32) -> AnimatedTexture {
+    AnimatedTexture::new(vec![mock_atlas_tile(id)], 0.1).expect("Invalid frame duration")
+}
+
+#[test]
+fn test_directional_texture_partial_directions() {
+    let mut textures = HashMap::new();
+    textures.insert(Direction::Up, mock_animated_texture(1));
+
+    let texture = DirectionalAnimatedTexture::new(textures, HashMap::new());
+
+    assert_eq!(texture.texture_count(), 1);
+    assert!(texture.has_direction(Direction::Up));
+    assert!(!texture.has_direction(Direction::Down));
+    assert!(!texture.has_direction(Direction::Left));
+    assert!(!texture.has_direction(Direction::Right));
+}
+
+#[test]
+fn test_directional_texture_all_directions() {
+    let mut textures = HashMap::new();
+    let directions = [
+        (Direction::Up, 1),
+        (Direction::Down, 2),
+        (Direction::Left, 3),
+        (Direction::Right, 4),
+    ];
+
+    for (direction, id) in directions {
+        textures.insert(direction, mock_animated_texture(id));
+    }
+
+    let texture = DirectionalAnimatedTexture::new(textures, HashMap::new());
+
+    assert_eq!(texture.texture_count(), 4);
+    for direction in &[Direction::Up, Direction::Down, Direction::Left, Direction::Right] {
+        assert!(texture.has_direction(*direction));
+    }
+}
--- a/tests/game.rs
+++ b/tests/game.rs
@@ -0,0 +1,21 @@
+use pacman::constants::RAW_BOARD;
+use pacman::map::Map;
+
+#[test]
+fn test_game_map_creation() {
+    let map = Map::new(RAW_BOARD);
+
+    assert!(map.graph.node_count() > 0);
+    assert!(!map.grid_to_node.is_empty());
+
+    // Should find Pac-Man's starting position
+    let pacman_pos = map.find_starting_position(0);
+    assert!(pacman_pos.is_some());
+}
+
+#[test]
+fn test_game_score_initialization() {
+    // This would require creating a full Game instance, but we can test the concept
+    let map = Map::new(RAW_BOARD);
+    assert!(map.find_starting_position(0).is_some());
+}
--- a/tests/graph.rs
+++ b/tests/graph.rs
@@ -0,0 +1,149 @@
+use pacman::entity::direction::Direction;
+use pacman::entity::graph::{EdgePermissions, Graph, Node, Position, Traverser};
+
+fn create_test_graph() -> Graph {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+    let node2 = graph.add_node(Node {
+        position: glam::Vec2::new(16.0, 0.0),
+    });
+    let node3 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 16.0),
+    });
+
+    graph.connect(node1, node2, false, None, Direction::Right).unwrap();
+    graph.connect(node1, node3, false, None, Direction::Down).unwrap();
+
+    graph
+}
+
+#[test]
+fn test_graph_basic_operations() {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+    let node2 = graph.add_node(Node {
+        position: glam::Vec2::new(16.0, 0.0),
+    });
+
+    assert_eq!(graph.node_count(), 2);
+    assert!(graph.get_node(node1).is_some());
+    assert!(graph.get_node(node2).is_some());
+    assert!(graph.get_node(999).is_none());
+}
+
+#[test]
+fn test_graph_connect() {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+    let node2 = graph.add_node(Node {
+        position: glam::Vec2::new(16.0, 0.0),
+    });
+
+    assert!(graph.connect(node1, node2, false, None, Direction::Right).is_ok());
+
+    let edge1 = graph.find_edge_in_direction(node1, Direction::Right);
+    let edge2 = graph.find_edge_in_direction(node2, Direction::Left);
+
+    assert!(edge1.is_some());
+    assert!(edge2.is_some());
+    assert_eq!(edge1.unwrap().target, node2);
+    assert_eq!(edge2.unwrap().target, node1);
+}
+
+#[test]
+fn test_graph_connect_errors() {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+
+    assert!(graph.connect(node1, 999, false, None, Direction::Right).is_err());
+    assert!(graph.connect(999, node1, false, None, Direction::Right).is_err());
+}
+
+#[test]
+fn test_graph_edge_permissions() {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+    let node2 = graph.add_node(Node {
+        position: glam::Vec2::new(16.0, 0.0),
+    });
+
+    graph
+        .add_edge(node1, node2, false, None, Direction::Right, EdgePermissions::GhostsOnly)
+        .unwrap();
+
+    let edge = graph.find_edge_in_direction(node1, Direction::Right).unwrap();
+    assert_eq!(edge.permissions, EdgePermissions::GhostsOnly);
+}
+
+#[test]
+fn test_traverser_basic() {
+    let graph = create_test_graph();
+    let mut traverser = Traverser::new(&graph, 0, Direction::Left, &|_| true);
+
+    traverser.set_next_direction(Direction::Up);
+    assert!(traverser.next_direction.is_some());
+    assert_eq!(traverser.next_direction.unwrap().0, Direction::Up);
+}
+
+#[test]
+fn test_traverser_advance() {
+    let graph = create_test_graph();
+    let mut traverser = Traverser::new(&graph, 0, Direction::Right, &|_| true);
+
+    traverser.advance(&graph, 5.0, &|_| true);
+
+    match traverser.position {
+        Position::BetweenNodes { from, to, traversed } => {
+            assert_eq!(from, 0);
+            assert_eq!(to, 1);
+            assert_eq!(traversed, 5.0);
+        }
+        _ => panic!("Expected to be between nodes"),
+    }
+
+    traverser.advance(&graph, 3.0, &|_| true);
+
+    match traverser.position {
+        Position::BetweenNodes { from, to, traversed } => {
+            assert_eq!(from, 0);
+            assert_eq!(to, 1);
+            assert_eq!(traversed, 8.0);
+        }
+        _ => panic!("Expected to be between nodes"),
+    }
+}
+
+#[test]
+fn test_traverser_with_permissions() {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+    let node2 = graph.add_node(Node {
+        position: glam::Vec2::new(16.0, 0.0),
+    });
+
+    graph
+        .add_edge(node1, node2, false, None, Direction::Right, EdgePermissions::GhostsOnly)
+        .unwrap();
+
+    // Pacman can't traverse ghost-only edges
+    let mut traverser = Traverser::new(&graph, node1, Direction::Right, &|edge| {
+        matches!(edge.permissions, EdgePermissions::All)
+    });
+
+    traverser.advance(&graph, 5.0, &|edge| matches!(edge.permissions, EdgePermissions::All));
+
+    // Should still be at the node since it can't traverse
+    assert!(traverser.position.is_at_node());
+}
--- a/tests/helpers.rs
+++ b/tests/helpers.rs
@@ -0,0 +1,19 @@
+use glam::{IVec2, UVec2};
+use pacman::helpers::centered_with_size;
+
+#[test]
+fn test_centered_with_size() {
+    let test_cases = [
+        ((100, 100), (50, 30), (75, 85)),
+        ((50, 50), (51, 31), (25, 35)),
+        ((0, 0), (100, 100), (-50, -50)),
+        ((-100, -50), (80, 40), (-140, -70)),
+        ((1000, 1000), (1000, 1000), (500, 500)),
+    ];
+
+    for ((pos_x, pos_y), (size_x, size_y), (expected_x, expected_y)) in test_cases {
+        let rect = centered_with_size(IVec2::new(pos_x, pos_y), UVec2::new(size_x, size_y));
+        assert_eq!(rect.origin(), (expected_x, expected_y));
+        assert_eq!(rect.size(), (size_x, size_y));
+    }
+}
--- a/tests/map_builder.rs
+++ b/tests/map_builder.rs
@@ -0,0 +1,86 @@
+use glam::Vec2;
+use pacman::constants::{BOARD_CELL_SIZE, CELL_SIZE};
+use pacman::map::Map;
+
+fn create_minimal_test_board() -> [&'static str; BOARD_CELL_SIZE.y as usize] {
+    let mut board = [""; BOARD_CELL_SIZE.y as usize];
+    board[0] = "############################";
+    board[1] = "#............##............#";
+    board[2] = "#.####.#####.##.#####.####.#";
+    board[3] = "#o####.#####.##.#####.####o#";
+    board[4] = "#.####.#####.##.#####.####.#";
+    board[5] = "#..........................#";
+    board[6] = "#.####.##.########.##.####.#";
+    board[7] = "#.####.##.########.##.####.#";
+    board[8] = "#......##....##....##......#";
+    board[9] = "######.##### ## #####.######";
+    board[10] = "     #.##### ## #####.#     ";
+    board[11] = "     #.##    ==    ##.#     ";
+    board[12] = "     #.## ######## ##.#     ";
+    board[13] = "######.## ######## ##.######";
+    board[14] = "T     .   ########   .     T";
+    board[15] = "######.## ######## ##.######";
+    board[16] = "     #.## ######## ##.#     ";
+    board[17] = "     #.##          ##.#     ";
+    board[18] = "     #.## ######## ##.#     ";
+    board[19] = "######.## ######## ##.######";
+    board[20] = "#............##............#";
+    board[21] = "#.####.#####.##.#####.####.#";
+    board[22] = "#.####.#####.##.#####.####.#";
+    board[23] = "#o..##.......X .......##..o#";
+    board[24] = "###.##.##.########.##.##.###";
+    board[25] = "###.##.##.########.##.##.###";
+    board[26] = "#......##....##....##......#";
+    board[27] = "#.##########.##.##########.#";
+    board[28] = "#.##########.##.##########.#";
+    board[29] = "#..........................#";
+    board[30] = "############################";
+    board
+}
+
+#[test]
+fn test_map_creation() {
+    let board = create_minimal_test_board();
+    let map = Map::new(board);
+
+    assert!(map.graph.node_count() > 0);
+    assert!(!map.grid_to_node.is_empty());
+
+    // Check that some connections were made
+    let mut has_connections = false;
+    for intersection in &map.graph.adjacency_list {
+        if intersection.edges().next().is_some() {
+            has_connections = true;
+            break;
+        }
+    }
+    assert!(has_connections);
+}
+
+#[test]
+fn test_map_starting_positions() {
+    let board = create_minimal_test_board();
+    let map = Map::new(board);
+
+    let pacman_pos = map.find_starting_position(0);
+    assert!(pacman_pos.is_some());
+    assert!(pacman_pos.unwrap().x < BOARD_CELL_SIZE.x);
+    assert!(pacman_pos.unwrap().y < BOARD_CELL_SIZE.y);
+
+    let nonexistent_pos = map.find_starting_position(99);
+    assert_eq!(nonexistent_pos, None);
+}
+
+#[test]
+fn test_map_node_positions() {
+    let board = create_minimal_test_board();
+    let map = Map::new(board);
+
+    for (grid_pos, &node_id) in &map.grid_to_node {
+        let node = map.graph.get_node(node_id).unwrap();
+        let expected_pos = Vec2::new((grid_pos.x * CELL_SIZE as i32) as f32, (grid_pos.y * CELL_SIZE as i32) as f32)
+            + Vec2::splat(CELL_SIZE as f32 / 2.0);
+
+        assert_eq!(node.position, expected_pos);
+    }
+}
--- a/tests/pacman.rs
+++ b/tests/pacman.rs
@@ -0,0 +1,107 @@
+use pacman::entity::direction::Direction;
+use pacman::entity::graph::{Graph, Node};
+use pacman::entity::pacman::Pacman;
+use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
+use sdl2::keyboard::Keycode;
+use std::collections::HashMap;
+
+fn create_test_graph() -> Graph {
+    let mut graph = Graph::new();
+    let node1 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 0.0),
+    });
+    let node2 = graph.add_node(Node {
+        position: glam::Vec2::new(16.0, 0.0),
+    });
+    let node3 = graph.add_node(Node {
+        position: glam::Vec2::new(0.0, 16.0),
+    });
+
+    graph.connect(node1, node2, false, None, Direction::Right).unwrap();
+    graph.connect(node1, node3, false, None, Direction::Down).unwrap();
+
+    graph
+}
+
+fn create_test_atlas() -> SpriteAtlas {
+    let mut frames = HashMap::new();
+    let directions = ["up", "down", "left", "right"];
+
+    for (i, dir) in directions.iter().enumerate() {
+        frames.insert(
+            format!("pacman/{dir}_a.png"),
+            MapperFrame {
+                x: i as u16 * 16,
+                y: 0,
+                width: 16,
+                height: 16,
+            },
+        );
+        frames.insert(
+            format!("pacman/{dir}_b.png"),
+            MapperFrame {
+                x: i as u16 * 16,
+                y: 16,
+                width: 16,
+                height: 16,
+            },
+        );
+    }
+
+    frames.insert(
+        "pacman/full.png".to_string(),
+        MapperFrame {
+            x: 64,
+            y: 0,
+            width: 16,
+            height: 16,
+        },
+    );
+
+    let mapper = AtlasMapper { frames };
+    let dummy_texture = unsafe { std::mem::zeroed() };
+    SpriteAtlas::new(dummy_texture, mapper)
+}
+
+#[test]
+fn test_pacman_creation() {
+    let graph = create_test_graph();
+    let atlas = create_test_atlas();
+    let pacman = Pacman::new(&graph, 0, &atlas);
+
+    assert!(pacman.traverser.position.is_at_node());
+    assert_eq!(pacman.traverser.direction, Direction::Left);
+}
+
+#[test]
+fn test_pacman_key_handling() {
+    let graph = create_test_graph();
+    let atlas = create_test_atlas();
+    let mut pacman = Pacman::new(&graph, 0, &atlas);
+
+    let test_cases = [
+        (Keycode::Up, Direction::Up),
+        (Keycode::Down, Direction::Down),
+        (Keycode::Left, Direction::Left),
+        (Keycode::Right, Direction::Right),
+    ];
+
+    for (key, expected_direction) in test_cases {
+        pacman.handle_key(key);
+        assert!(pacman.traverser.next_direction.is_some() || pacman.traverser.direction == expected_direction);
+    }
+}
+
+#[test]
+fn test_pacman_invalid_key() {
+    let graph = create_test_graph();
+    let atlas = create_test_atlas();
+    let mut pacman = Pacman::new(&graph, 0, &atlas);
+
+    let original_direction = pacman.traverser.direction;
+    let original_next_direction = pacman.traverser.next_direction;
+
+    pacman.handle_key(Keycode::Space);
+    assert_eq!(pacman.traverser.direction, original_direction);
+    assert_eq!(pacman.traverser.next_direction, original_next_direction);
+}
--- a/tests/parser.rs
+++ b/tests/parser.rs
@@ -0,0 +1,46 @@
+use pacman::constants::{BOARD_CELL_SIZE, RAW_BOARD};
+use pacman::map::parser::{MapTileParser, ParseError};
+
+#[test]
+fn test_parse_character() {
+    let test_cases = [
+        ('#', pacman::constants::MapTile::Wall),
+        ('.', pacman::constants::MapTile::Pellet),
+        ('o', pacman::constants::MapTile::PowerPellet),
+        (' ', pacman::constants::MapTile::Empty),
+        ('T', pacman::constants::MapTile::Tunnel),
+        ('X', pacman::constants::MapTile::Empty),
+        ('=', pacman::constants::MapTile::Wall),
+    ];
+
+    for (char, _expected) in test_cases {
+        assert!(matches!(MapTileParser::parse_character(char).unwrap(), _expected));
+    }
+
+    assert!(MapTileParser::parse_character('Z').is_err());
+}
+
+#[test]
+fn test_parse_board() {
+    let result = MapTileParser::parse_board(RAW_BOARD);
+    assert!(result.is_ok());
+
+    let parsed = result.unwrap();
+    assert_eq!(parsed.tiles.len(), BOARD_CELL_SIZE.x as usize);
+    assert_eq!(parsed.tiles[0].len(), BOARD_CELL_SIZE.y as usize);
+    assert!(parsed.house_door[0].is_some());
+    assert!(parsed.house_door[1].is_some());
+    assert!(parsed.tunnel_ends[0].is_some());
+    assert!(parsed.tunnel_ends[1].is_some());
+    assert!(parsed.pacman_start.is_some());
+}
+
+#[test]
+fn test_parse_board_invalid_character() {
+    let mut invalid_board = RAW_BOARD.clone();
+    invalid_board[0] = "###########################Z";
+
+    let result = MapTileParser::parse_board(invalid_board);
+    assert!(result.is_err());
+    assert!(matches!(result.unwrap_err(), ParseError::UnknownCharacter('Z')));
+}
--- a/tests/sprite.rs
+++ b/tests/sprite.rs
@@ -0,0 +1,78 @@
+use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
+use sdl2::pixels::Color;
+use std::collections::HashMap;
+
+fn mock_texture() -> sdl2::render::Texture<'static> {
+    unsafe { std::mem::transmute(0usize) }
+}
+
+#[test]
+fn test_sprite_atlas_basic() {
+    let mut frames = HashMap::new();
+    frames.insert(
+        "test".to_string(),
+        MapperFrame {
+            x: 10,
+            y: 20,
+            width: 32,
+            height: 64,
+        },
+    );
+
+    let mapper = AtlasMapper { frames };
+    let texture = mock_texture();
+    let atlas = SpriteAtlas::new(texture, mapper);
+
+    let tile = atlas.get_tile("test");
+    assert!(tile.is_some());
+    let tile = tile.unwrap();
+    assert_eq!(tile.pos, glam::U16Vec2::new(10, 20));
+    assert_eq!(tile.size, glam::U16Vec2::new(32, 64));
+    assert_eq!(tile.color, None);
+}
+
+#[test]
+fn test_sprite_atlas_multiple_tiles() {
+    let mut frames = HashMap::new();
+    frames.insert(
+        "tile1".to_string(),
+        MapperFrame {
+            x: 0,
+            y: 0,
+            width: 32,
+            height: 32,
+        },
+    );
+    frames.insert(
+        "tile2".to_string(),
+        MapperFrame {
+            x: 32,
+            y: 0,
+            width: 64,
+            height: 64,
+        },
+    );
+
+    let mapper = AtlasMapper { frames };
+    let texture = mock_texture();
+    let atlas = SpriteAtlas::new(texture, mapper);
+
+    assert_eq!(atlas.tiles_count(), 2);
+    assert!(atlas.has_tile("tile1"));
+    assert!(atlas.has_tile("tile2"));
+    assert!(!atlas.has_tile("tile3"));
+    assert!(atlas.get_tile("nonexistent").is_none());
+}
+
+#[test]
+fn test_sprite_atlas_color() {
+    let mapper = AtlasMapper { frames: HashMap::new() };
+    let texture = mock_texture();
+    let mut atlas = SpriteAtlas::new(texture, mapper);
+
+    assert_eq!(atlas.default_color(), None);
+
+    let color = Color::RGB(255, 0, 0);
+    atlas.set_color(color);
+    assert_eq!(atlas.default_color(), Some(color));
+}
--- a/web.build.ts
+++ b/web.build.ts
@@ -42,8 +42,9 @@ async function build(release: boolean, env: Record<string, string>) {
    release ? "--release" : ""
  }`.env(env);

-  log("Generating CSS");
-  await $`pnpx postcss-cli ./assets/site/styles.scss -o ./assets/site/build.css`;
+  log("Invoking @tailwindcss/cli");
+  // unfortunately, bunx doesn't seem to work with @tailwindcss/cli, so we have to use npx directly
+  await $`npx --yes @tailwindcss/cli --minify --input styles.css --output build.css --cwd assets/site`;

  const buildType = release ? "release" : "debug";
  const siteFolder = resolve("assets/site");
@@ -52,11 +53,13 @@ async function build(release: boolean, env: Record<string, string>) {

  // The files to copy into 'dist'
  const files = [
-    ...["index.html", "favicon.ico", "build.css"].map((file) => ({
+    ...["index.html", "favicon.ico", "build.css", "TerminalVector.ttf"].map(
+      (file) => ({
        src: join(siteFolder, file),
        dest: join(dist, file),
        optional: false,
-    })),
+      })
+    ),
    ...["pacman.wasm", "pacman.js", "deps/pacman.data"].map((file) => ({
      src: join(outputFolder, file),
      dest: join(dist, file.split("/").pop() || file),
@@ -184,6 +187,13 @@ async function main() {

  const release = process.env.RELEASE !== "0";
  const emsdkDir = resolve("./emsdk");
+  // Ensure the emsdk directory exists before attempting to activate or use it
+  if (!(await fs.exists(emsdkDir))) {
+    log(
+      `Emscripten SDK directory not found at ${emsdkDir}. Please install or clone 'emsdk' and try again.`
+    );
+    process.exit(1);
+  }
  const vars = match(await activateEmsdk(emsdkDir)) // result handling
    .with({ vars: P.select() }, (vars) => vars)
    .with({ err: P.any }, ({ err }) => {
Author	SHA1	Message	Date
Xevion	023697dcd7	fix: use bun and web.build.ts in build workflow, use minify & cwd args for tailwindcss cli	2025-08-08 10:10:57 -05:00
Xevion	87ee12543e	tests: revamp tests, remove more useless tests	2025-08-08 09:07:10 -05:00
Xevion	b308bc0ef7	refactor: move all tests out of src/ into tests/, remove unnecessary tests	2025-08-08 08:50:52 -05:00
Xevion	9d5ca54234	fix: improved frontend web interface, use tailwind cli	2025-08-08 00:20:38 -05:00
Xevion	2ae73c3c58	fix: disable app quit on browser build	2025-08-07 23:44:26 -05:00
Xevion	adfa2cc737	feat: edge traversal permissions system	2025-08-07 23:39:39 -05:00
Xevion	7c937df002	docs: add build notes to README	2025-08-07 23:26:48 -05:00
Xevion	9fb9c959a3	refactor: ensure emsdk dir exists before issuing commands	2025-08-07 23:20:12 -05:00
Xevion	61ebc8f317	chore: fixup .gitignore	2025-08-07 23:00:03 -05:00