test.yml

name: "Test"
on:
  push:
    branches:
      - main
  pull_request:

jobs:
  # The bake file defines several targets for the bats group using a matrix.
  # We expand these and parametrise a GitHub Actions matrix with each value.
  expand_bake_matrix:
    name: Find the bakefile targets to run
    runs-on: ubuntu-latest
    outputs:
      bats_targets: ${{ steps.expand_bake_matrix.outputs.bats_targets }}
      tesh_targets: ${{ steps.expand_bake_matrix.outputs.tesh_targets }}

    steps:
      - name: Checkout
        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1

      - name: Expand bats matrix
        id: expand_bake_matrix
        run: |
          docker buildx bake bats tesh --print \
            | jq -cer '{tesh: .group.tesh.targets, bats: .group.bats.targets}
                       | to_entries[]
                       | {name: .key, targets: .value}
                       | "\(.name)_targets=\(.targets | tojson)"' \
            | tee -a "${GITHUB_OUTPUT:?}"

  bats_tests:
    name: Bats tests
    runs-on: ubuntu-latest
    needs:
      - expand_bake_matrix
    strategy:
      matrix:
        target: ${{ fromJSON(needs.expand_bake_matrix.outputs.bats_targets) }}

    steps:
      - name: Checkout
        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1

      - name: Run Bats Test Matrix
        uses: docker/bake-action@f32f8b8d70bc284af19f8148dd14ad1d2fbc6c28
        with:
          targets: ${{ matrix.target }}
          files: docker-bake.hcl
          set: |
            *.cache-from=type=gha
            *.cache-to=type=gha,mode=max

      - name: Report Results
        run: ./.github/workflows/report-results.sh

  readme_examples:
    name: README.md examples (run using Tesh to validate outputs)
    runs-on: ubuntu-latest
    needs:
      - expand_bake_matrix
    strategy:
      matrix:
        target: ${{ fromJSON(needs.expand_bake_matrix.outputs.tesh_targets) }}

    steps:
      - name: Checkout
        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1

      - name: Run Bats Test Matrix
        uses: docker/bake-action@f32f8b8d70bc284af19f8148dd14ad1d2fbc6c28
        with:
          targets: ${{ matrix.target }}
          files: docker-bake.hcl
          set: |
            *.cache-from=type=gha
            *.cache-to=type=gha,mode=max

      - name: Report Results
        run: ./.github/workflows/report-results.sh