test.yml

name: Test Rust package and built binaries

on:
  push:
    branches: [main]
  pull_request:
    branches: ["*"]

env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0

jobs:
  test_rust_crate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - name: Basic build validation
        run: |
          cargo build

      - name: Check program
        run: |
          cargo check

      - name: Check formatting
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --all-features

      - name: Output test coverage
        run: |
          cargo install cargo-tarpaulin
          cargo tarpaulin --fail-under 75

  build_binaries:
    uses: ./.github/workflows/build.yml
  
  test_built_binaries: 
    needs: build_binaries
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-latest, windows-latest, ubuntu-latest]
        include:
          - os: macos-latest
            artifact: macos-binaries
          - os: windows-latest
            artifact: windows-binaries
          - os: ubuntu-latest
            artifact: linux-binaries
    steps:
      - uses: actions/checkout@v3

      - name: Download artifact
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.artifact }}
          path: artifact/

      - name: Extract artifact (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          $sourcePath = "artifact"
          
          # Get all .zip files from the sourcePath directory
          $files = Get-ChildItem -Path $sourcePath -Recurse -Include "*.zip"
          
          # Loop through each .zip file
          foreach ($file in $files) {
            # Extract the file to the current directory
            Expand-Archive -Path $file.FullName -DestinationPath "." -Force
          }

      - name: Extract artifact (Linux/MacOS)
        if: runner.os != 'Windows'
        shell: bash
        run: |
          for file in artifact/*; do
            tar -xf "$file"
          done

      - name: Create sample folder and copy foo.ts
        shell: bash
        run: |
          rm -rf sample
          mkdir sample
          cp ./.github/foo.ts sample/foo.ts

      - name: Test binary
        shell: bash
        run: |
          EXPECTED_OUTPUT=$(cat <<'EOF'
          [{"file_name":"foo.ts","cyclo":3,"halstead":{"uniq_operators":13,"uniq_operands":21,"total_operators":39,"total_operands":44,"program_length":83,"vocabulary_size":34,"volume":422.25941582377817,"difficulty":12.571428571428571,"effort":5308.404084641783,"time":294.9113380356546,"bugs":0.14075313860792607},"line_count":16,"fta_score":36.502594866022214,"assessment":"OK"}]
          EOF
          )
          if [[ "${{ runner.os }}" == "Windows" ]]; then
            OUTPUT=$(./fta.exe sample --json)
          elif [[ "${{ runner.os }}" == "macOS" ]]; then
            brew install jq
            OUTPUT=$(./fta sample --json)
          else
            sudo apt-get install -y jq
            OUTPUT=$(./fta sample --json)
          fi
          if [ "$(echo "$OUTPUT" | jq --sort-keys '.')" == "$(echo "$EXPECTED_OUTPUT" | jq --sort-keys '.')" ]; then
            echo "Output matches expected"
          else
            echo "Output does not match expected."
            echo "Expected:"
            echo "$EXPECTED_OUTPUT"
            echo "Got:"
            echo "$OUTPUT"
            exit 1
          fi

  publish_dry_run_nix:
    needs: test_built_binaries
    uses: ./.github/workflows/publish-dry-run.yml

  # This is a "trick", a meta task which does not change, and we can use in
  # the protected branch rules as opposed to the tests one above which
  # may change regularly.
  validate-tests:
    name: Tests status
    runs-on: ubuntu-latest
    needs:
      - test_rust_crate
      - build_binaries
      - test_built_binaries
      - publish_dry_run_nix
    if: always()
    steps:
      - name: Successful run
        if: ${{ !(contains(needs.*.result, 'failure')) }}
        run: exit 0

      - name: Failing run
        if: ${{ contains(needs.*.result, 'failure') }}
        run: exit 1