test: setup common submodule, add text.rs tests, pattern exclude error.rs

tests/common/mod.rs

@@ -0,0 +1,39 @@
+#![allow(dead_code)]
+
+use pacman::{
+    asset::{get_asset_bytes, Asset},
+    texture::sprite::SpriteAtlas,
+};
+use sdl2::{
+    image::LoadTexture,
+    render::{Canvas, Texture, TextureCreator},
+    video::{Window, WindowContext},
+    Sdl,
+};
+
+pub fn setup_sdl() -> Result<(Canvas<Window>, TextureCreator<WindowContext>, Sdl), String> {
+    let sdl_context = sdl2::init()?;
+    let video_subsystem = sdl_context.video()?;
+    let window = video_subsystem
+        .window("test", 800, 600)
+        .position_centered()
+        .hidden()
+        .build()
+        .map_err(|e| e.to_string())?;
+    let canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
+    let texture_creator = canvas.texture_creator();
+    Ok((canvas, texture_creator, sdl_context))
+}
+
+pub fn create_atlas(canvas: &mut sdl2::render::Canvas<sdl2::video::Window>) -> SpriteAtlas {
+    let texture_creator = canvas.texture_creator();
+    let atlas_bytes = get_asset_bytes(Asset::Atlas).unwrap();
+    let atlas_json = get_asset_bytes(Asset::AtlasJson).unwrap();
+
+    let texture = texture_creator.load_texture_bytes(&atlas_bytes).unwrap();
+    let texture: Texture<'static> = unsafe { std::mem::transmute(texture) };
+
+    let mapper: pacman::texture::sprite::AtlasMapper = serde_json::from_slice(&atlas_json).unwrap();
+
+    SpriteAtlas::new(texture, mapper)
+}