Add github workflows

.github/workflows/cacheclean.yml

@@ -0,0 +1,29 @@
+name: cleanup caches on a merged PR
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+
+          echo "Fetching list of cache key"
+          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH -L 100 | cut -f 1 )
+
+          ## Setting this to not fail the workflow while deleting cache keys.
+          set +e
+          echo "Deleting caches..."
+          for cacheKey in $cacheKeysForPR
+          do
+              gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
+          done
+          echo "Done"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO: ${{ github.repository }}
+          BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/cargo.yml

@@ -0,0 +1,30 @@
+name: Cargo Tests
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+jobs:
+  cargo:
+    timeout-minutes: 12
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        # Sync with dockerfiles/cargo-base/Dockerfile
+        toolchain: 1.75
+        override: true
+        components: rustfmt, clippy
+    - name: Setup cargo cache
+      uses: Swatinem/rust-cache@v2
+      continue-on-error: false
+    - name: Run cargo fmt
+      run: cargo fmt --check
+    - name: Run tests
+      run: cargo test
+    - name: Check lint
+      run: cargo clippy --all-targets --all-features -- -D warnings
+    - name: Run cargo check
+      run: cargo check

src/context.rs

@@ -778,8 +778,7 @@ mod tests {
 
     #[test]
     fn uses_globals() {
-        let mut config = Config::default();
-        config.globals = Some(HashMap::new());
+        let mut config = Config { globals: Some(HashMap::new()), ..Default::default() };
         config
             .globals
             .as_mut()

tests/common.rs

@@ -7,12 +7,18 @@ pub struct TestContext {
     pub workdir: assert_fs::TempDir,
 }
 
-impl TestContext {
-    pub fn new() -> Self {
+impl Default for TestContext {
+    fn default() -> Self {
         Self {
             workdir: assert_fs::TempDir::new().unwrap(),
         }
     }
+}
+
+impl TestContext {
+    pub fn new() -> Self {
+        Self::default()
+    }
 
     pub fn workdir(&self) -> &std::path::Path {
         self.workdir.path()