quality-checks.yml

name: quality-checks

run-name: 🔬 @${{ github.triggering_actor }} is checking quality on ${{ github.ref_name }}

on: [push]

jobs:
  unit-tests:
    name: 🧪 unit tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: echo "version=$(grep -Ee 'go [0-9\.]+' go.mod | awk '{ print $2; }')" >> $GITHUB_OUTPUT
        id: go_mod
      - uses: actions/setup-go@v5
        with:
          go-version: ${{ steps.go_mod.outputs.version }}
          cache-dependency-path: "**/*.sum"
      - run: go test ./...

  enumerate-integration-tests:
    name: 🔎 enumerate buildpack tests
    runs-on: ubuntu-latest
    needs: [ unit-tests ]
    outputs:
      tests: ${{ steps.buildpack-tests.outputs.result }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/github-script@v7
        id: buildpack-tests
        with:
          result-encoding: json
          script: |
            const {readdir, stat, readFile} = require("node:fs/promises");
            const {join, relative} = require("node:path");
            
            return await readdir(process.cwd())
              .then(dirs => Promise.all(dirs.map(async d => {
                try {
                  await stat(join(process.cwd(), d, 'buildpack.toml'));
                  return relative(process.cwd(), join(process.cwd(), d));
                } catch (e) {
                  return null;
                }
              })))
              .then(dirs => dirs.filter(d => Boolean(d)))
              .then(dirs => Promise.all(dirs.map(async d => {
                const makefile = (await readFile(join(process.cwd(), d, 'Makefile'))).toString();
                return makefile.match(/^test-[^:]+/mg)?.map(t => `${d}:${t}`);
              })))
              .then(dirs => dirs.flat())
              .then(dirs => dirs.filter(d => Boolean(d)));

  integration-tests:
      name: ⚙️ integration test ${{ matrix.buildpack-test }}
      needs: [ enumerate-integration-tests ]
      runs-on: ubuntu-latest
      strategy:
        fail-fast: false
        matrix:
          buildpack-test: ${{ fromJSON(needs.enumerate-integration-tests.outputs.tests) }}
      steps:
        - uses: actions/checkout@v4
        - id: setup-tools
          uses: buildpacks/github-actions/setup-tools@v5.1.0
        - id: setup-pack
          uses: buildpacks/github-actions/setup-pack@v5.1.0
        - run: |
            BUILDPACK="$(cut -d':' -f1 <<< "${{ matrix.buildpack-test }}")"
            TEST_NAME="$(cut -d':' -f2 <<< "${{ matrix.buildpack-test }}")"
            echo "Testing buildpack $BUILDPACK with $TEST_NAME"
            cd $BUILDPACK || exit 1
            make $TEST_NAME