refactor: move all tests out of src/ into tests/, remove unnecessary tests

tests/sprite.rs

@@ -0,0 +1,90 @@
+use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
+use sdl2::pixels::Color;
+use std::collections::HashMap;
+
+// Mock texture for testing
+fn mock_texture() -> sdl2::render::Texture<'static> {
+    unsafe { std::mem::transmute(0usize) }
+}
+
+#[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, glam::U16Vec2::new(10, 20));
+    assert_eq!(tile.size, glam::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_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"));
+}