ci.yml

name: Continuous integration
on:
  push:
    branches: [main]
  pull_request:
  schedule:
    - cron: "0 0 1,15 * *"

jobs:
  test-rust:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        rust: [stable]

    steps:
      - name: Install Rust environment
        uses: hecrj/setup-rust-action@v1
        with:
          rust-version: ${{ matrix.rust }}
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Check formatting
        run: cargo fmt --all -- --check
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo
            target
          key: ${{ runner.OS }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.OS }}-cargo-
      - name: Install cargo-valgrind
        run: |
          sudo apt-get update
          sudo apt-get install -y valgrind
          cargo install cargo-valgrind
      - name: Build library
        run: cargo build
      - name: Ensure C headers are up to date
        run: |
          script/cbindgen
          test -z "$(git status --porcelain)"
      - name: Run test suite
        run: cargo test
      - name: Run test suite under valgrind
        # We only need to use valgrind to test the crates that have C bindings.
        run: cargo valgrind test -p stack-graphs
      - name: Run lsp-positions tests without tree-sitter
        run: cargo test -p lsp-positions --no-default-features
      - name: Run test suite with all features enabled
        run: cargo test --all-features
      - name: Run test suite with all optimizations
        run: cargo test --release
      # Do the new project test last, because it adds the crate in the current source
      # folder, and that shouldn't influence other tests.
      - name: Generate, build, and run new language project
        run: |
          cargo run --bin tree-sitter-stack-graphs --features cli -- init \
            --language-name InitTest \
            --language-id init_test \
            --language-file-extension it \
            --grammar-crate-name tree-sitter-python \
            --grammar-crate-version 0.20.0 \
            --internal \
            --non-interactive
          cargo check -p tree-sitter-stack-graphs-init_test --all-features
          cargo test -p tree-sitter-stack-graphs-init_test
          cargo run -p tree-sitter-stack-graphs-init_test --features cli -- help

  list-languages:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: languages
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: List languages
        id: language-list
        run: echo "languages=$(find -mindepth 1 -maxdepth 1 -type d -printf '%P\n' | jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT
    outputs:
      languages: ${{ steps.language-list.outputs.languages }}

  test-languages:
    needs: [list-languages, test-rust]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        language: ${{ fromJson(needs.list-languages.outputs.languages) }}
        rust: [stable]

    steps:
      - name: Install Rust environment
        uses: hecrj/setup-rust-action@v1
        with:
          rust-version: ${{ matrix.rust }}
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo
            target
          key: ${{ runner.OS }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.OS }}-cargo-
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Build
        run: cargo build -p ${{ matrix.language }}
      - name: Test
        run: cargo test -p ${{ matrix.language }}