Merge pull request #2 from ptcodes/add-github-workflows

add github workflows to run tests, clippy and rustmt on push to main …

Author: ptcodes

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  fmt:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - run: cargo fmt --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy -- -D warnings
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test

src/renderer.rs

@@ -58,10 +58,20 @@ mod tests {
     #[test]
     fn lava_color_clamps_large_input() {
         // v=100 * 0.35 = 35, clamped to 1.0 → same as v where v*0.35 == 1.0
-        let Color::Rgb { r: r1, g: g1, b: b1 } = lava_color(100.0) else {
+        let Color::Rgb {
+            r: r1,
+            g: g1,
+            b: b1,
+        } = lava_color(100.0)
+        else {
             panic!("expected Rgb variant");
         };
-        let Color::Rgb { r: r2, g: g2, b: b2 } = lava_color(3.0) else {
+        let Color::Rgb {
+            r: r2,
+            g: g2,
+            b: b2,
+        } = lava_color(3.0)
+        else {
             panic!("expected Rgb variant");
         };
         assert_eq!((r1, g1, b1), (r2, g2, b2));

src/simulation.rs

@@ -56,7 +56,13 @@ mod tests {
     use super::*;
 
     fn make_ball(x: f32, y: f32, vx: f32, vy: f32, radius: f32) -> Metaball {
-        Metaball { x, y, vx, vy, radius }
+        Metaball {
+            x,
+            y,
+            vx,
+            vy,
+            radius,
+        }
     }
 
     // clamp_and_bounce tests (tested via update_balls)