terratest.yaml

name: Integration Tests
on:
  push:
    branches:
      - '**'
      - '!main'
jobs:
  get-changes:
    if: ${{ true }} # Set this to false to disable tests.
    name: Get Changed Modules
    runs-on: ubuntu-latest
    outputs:
      changed-modules: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v1
      - name: Get changed modules
        id: changed-modules
        uses: tj-actions/changed-files@v23.1
        with:
          files: modules/
          dir_names: true
      - name: Set Matrix
        id: set-matrix
        run: |
          export _changed="${{ steps.changed-modules.outputs.all_changed_files }}"
          echo "_changed=${_changed}"
          _matrix="{\"changed-modules\":[$(printf "\"%s\"," ${_changed[@]}|sed 's/,$//')]}"
          # Filter out subdirectories
          export _matrix=$(echo "${_matrix}" | jq -c '."changed-modules" | map(select(test("^modules\/[a-z0-9-]*$"))) | unique | {"changed-modules":.}')
          echo "${_matrix}" | jq
          echo "::set-output name=matrix::${_matrix}"
  run-tests:
    needs: [get-changes]
    if: toJSON(fromJSON(needs.get-changes.outputs.changed-modules).changed-modules) != '[]'
    name: Run Terratest Tests
    runs-on: ubuntu-latest
    permissions:
      contents: 'read'
      id-token: 'write'
    strategy:
      matrix:
        changed-modules: ${{ fromJSON(needs.get-changes.outputs.changed-modules).changed-modules }}
        terraform-versions: ["latest"] # Add versions here to test against them.
    steps:
      - uses: actions/checkout@v1
      - name: Check for Tests
        id: check-tests
        run: |
          echo "${{ matrix.changed-modules }}"
          if [[ -d "${{ matrix.changed-modules }}/test" ]]; then
            echo "::set-output name=tests-exist::true"
          else
            echo "No tests detected."
            echo "::set-output name=tests-exist::false"
          fi
      - uses: actions/setup-go@v1
        if: steps.check-tests.outputs.tests-exist == 'true'
        with:
          go-version: 1.13
      - name: Install tfenv
        uses: rhythmictech/actions-setup-tfenv@v0.0.3
        if: steps.check-tests.outputs.tests-exist == 'true'
      - name: Setup Terraform.
        if: steps.check-tests.outputs.tests-exist == 'true'
        run: |
          if [[ ${{matrix.terraform-versions}} == 'latest' ]]; then
            _latest=$(tfenv  list-remote | head -n 1)
            tfenv install $_latest
            tfenv use $_latest
          else
            tfenv install ${{matrix.terraform-versions}}
            tfenv use ${{matrix.terraform-versions}}
          fi
      - name: Run Go Tests
        if: steps.check-tests.outputs.tests-exist == 'true'
        working-directory: ${{ matrix.changed-modules }}/test
        run: go test -v -tags integration
  success:
    needs: [run-tests]
    name: Check Success
    runs-on: ubuntu-latest
    if: always()
    steps:
      - id: report
        name: Report
        run: |
          case "${{ toJSON(needs.run-tests.result) }}" in
            "success")
              echo "Success: All tests passed."
              exit 0
              ;;
            "skipped")
              echo "Warning: Tests skipped."
              exit 0
              ;;
            *)
              echo "Error: Test status was $_status."
              exit 1
              ;;
          esac