on: [repository_dispatch]
name: Test
env:
  GERRIT_COOKIE: "${{ secrets.gerritCookie }}"
defaults:
  run:
    shell: bash
jobs:
  start:
    runs-on: ubuntu-latest
    steps:
    - name: Write the gitcookies file
      run: echo "$GERRIT_COOKIE" > ~/.gitcookies

    - name: Update Gerrit CL message with starting message
      run: >
        curl -s -H "Content-Type: application/json" --request POST --data '{"message":"Started the build... see progress at ${{ github.event.repository.html_url }}/actions/runs/${{ github.run_id }}"}' -b ~/.gitcookies https://cue-review.googlesource.com/a/changes/${{ github.event.client_payload.changeID }}/revisions/${{ github.event.client_payload.commit }}/review

  test:
    needs: start
    strategy:
      fail-fast: false
      matrix:
        # Use a stable version of 1.14.x for the go generate step below
        go-version: [1.13.x, 1.14.3]
        platform: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.platform }}
    steps:
    - name: Write the gitcookies file
      run: echo "$GERRIT_COOKIE" > ~/.gitcookies

    - name: Install Go
      uses: actions/setup-go@v2
      with:
        go-version: ${{ matrix.go-version }}

    - name: Checkout code
      uses: actions/checkout@v2

    - name: Checkout ref
      run: |
        git fetch https://cue-review.googlesource.com/cue ${{ github.event.client_payload.ref }}
        git checkout FETCH_HEAD

    - name: Cache Go modules
      uses: actions/cache@v1
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-${{ matrix.go-version }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-${{ matrix.go-version }}-go-

    - name: Generate
      # The Go version corresponds to the precise 1.14.x version specified in
      # the matrix. Skip windows for now until we work out why re-gen is flaky
      if: "matrix.go-version == '1.14.3' && matrix.platform != 'windows-latest'"
      run: go generate ./...

    - name: Test
      run: go test ./...
    - name: Test with -race
      run: go test -race ./...

    - name: gorelease check
      run: go run golang.org/x/exp/cmd/gorelease

    - name: Check that git is clean post generate and tests
      run: test -z "$(git status --porcelain)" || (git status; git diff; false)

    - name: Post any failures for this matrix entry
      if: ${{ failure() }}
      run: >
        curl -s -H "Content-Type: application/json" --request POST --data '{"labels": { "Code-Review": -1 }, "message":"Build failed for ${{ runner.os }}-${{ matrix.go-version }}; see ${{ github.event.repository.html_url }}/actions/runs/${{ github.run_id }} for more details"}' -b ~/.gitcookies https://cue-review.googlesource.com/a/changes/${{ github.event.client_payload.changeID }}/revisions/${{ github.event.client_payload.commit }}/review

  end:
    needs: test
    runs-on: ubuntu-latest
    steps:
    - name: Write the gitcookies file
      run: echo "$GERRIT_COOKIE" > ~/.gitcookies

    - name: Update Gerrit CL message with success message
      run: >
        curl -s -H "Content-Type: application/json" --request POST --data '{"labels": { "Code-Review": 1 }, "message":"Build succeeded for ${{ github.event.repository.html_url }}/actions/runs/${{ github.run_id }}"}' -b ~/.gitcookies https://cue-review.googlesource.com/a/changes/${{ github.event.client_payload.changeID }}/revisions/${{ github.event.client_payload.commit }}/review