name: run-tests

on:
  pull_request:

  push:
    branches:
      - master

jobs:
  main:
    name: Run all tests

    # Only run for the main repository - not forks
    if: ${{ github.repository == 'dlang-community/D-Scanner' }}

    # Run permutations of common os + host compilers
    strategy:
      fail-fast: false
      matrix:
        compiler: [
          {
            version: dmd-latest,
            dmd: dmd
          },
          {
            version: ldc-latest,
            dmd: ldmd2
          },
          {
            # Install dmd for the associated tools (dub/rdmd)
            version: dmd-latest,
            dmd: gdc-12
          }
        ]
        host: [
          ubuntu-22.04,
          macos-latest,
          windows-latest
        ]
        build: [
          { type: make },
          { type: dub, version: 'current' },
          { type: dub, version: 'min libdparse' },
          # Fail due to unresolvable dependencies
          # { type: dub, version: 'max libdparse' },
          # { type: dub, version: 'min dsymbol' },
          # { type: dub, version: 'max dsymbol' },
        ]

        exclude:
          # Restrict GDC to Ubuntu
          - compiler:
              dmd: gdc-12
            host: windows-latest
          - compiler:
              dmd: gdc-12
            host: macos-latest

          #  Omit dub builds for GDC because dub rejects the old fronted revision
          - compiler:
              dmd: gdc-12
            build:
              type: dub
        include:
          - { do_report: 1, build: { type: dub, version: 'current' }, host: 'ubuntu-22.04', compiler: { version: dmd-latest, dmd: dmd } }

    runs-on: ${{ matrix.host }}

    steps:
      # Clone repo + submodules
      - name: Checkout repo
        uses: actions/checkout@v2
        with:
           submodules: 'recursive'
           fetch-depth: 0

      # Install the host compiler (DMD or LDC)
      # Also grabs DMD for GDC to include dub + rdmd
      - name: Install ${{ matrix.compiler.version }}
        if: ${{ matrix.compiler.dmd != 'gdc-12' || matrix.build.type == 'dub' }} # Fetch required tools for GDC
        uses: dlang-community/setup-dlang@v1
        with:
          compiler: ${{ matrix.compiler.version }}

        # GDC not yet supported by setup-dlang
      - name: Install GDC via apt-get
        if: ${{ matrix.compiler.dmd == 'gdc-12' }}
        run: |
          sudo apt-get install gdc-12 -y
          gdc-12 --version

      # Compile D-Scanner and execute all tests without dub
      - name: Build and test without dub
        if: ${{ matrix.build.type == 'make' }}
        env:
          DC: ${{ matrix.compiler.dmd }}
        shell: bash
        run: |
          if [ "$RUNNER_OS" == "Windows" ]; then
            export MFLAGS="-m64"
            ./build.bat
            ./build.bat test
          else
            make "-j$(nproc)" all test
          fi

      # Compile D-Scanner and execute all tests using a specific dependency version
      # Currently skipped for GDC (dub installed from apt-get is broken)
      - name: Build and test with dub (min or max libdparse test)
        if: ${{ matrix.build.type == 'dub' && matrix.build.version != 'current' }}
        env:
          DC: ${{ matrix.compiler.dmd }}
        run: |
          rdmd ./d-test-utils/test_with_package.d ${{ matrix.build.version }} -- dub build
          rdmd ./d-test-utils/test_with_package.d ${{ matrix.build.version }} -- dub test

      - name: Build and test with dub (with dub.selections.json)
        if: ${{ matrix.build.type == 'dub' && matrix.build.version == 'current' }}
        env:
          DC: ${{ matrix.compiler.dmd }}
        run: |
          dub build
          dub test

      - uses: actions/upload-artifact@v2
        with:
          name: bin-${{matrix.build.type}}-${{matrix.build.version}}-${{ matrix.compiler.dmd }}-${{ matrix.host }}
          path: bin

      # Lint source code using the previously built binary
      - name: Run linter
        shell: bash
        env:
          REPORT_GITHUB: ${{matrix.do_report}}
        run: |
          if [ "$RUNNER_OS" == "Windows" ]; then
            EXE=".exe"
          else
            EXE=""
          fi
          if [ "$REPORT_GITHUB" == "1" ]; then
            FORMAT="github"
          else
            FORMAT=""
          fi
          "./bin/dscanner$EXE" --styleCheck -f "$FORMAT" src

      # Parse phobos to check for failures / crashes / ...
      - name: Checkout Phobos
        uses: actions/checkout@v2
        with:
          repository: dlang/phobos
          path: phobos

      - name: Apply D-Scanner to Phobos
        if:  ${{ matrix.build.version != 'min libdparse'}} # Older versions crash with "Invalid UTF..."
        working-directory: phobos
        shell: bash
        run: |
          for FILE in $(find std -name '*.d');
          do
            echo "$FILE"
            ../bin/dscanner -S "$FILE"
          done