name: "Apps: test"

on:
  pull_request:
    branches:
      - '**'
    tags-ignore:
      - '**'
    paths:
      - 'stable/**'
      - '!stable/*.md'
      - '!stable/README.md'
      - '!stable/README.md.gotmpl'
      - '!stable/app-readme.md'
      - '!stable/app-readme.md.gotmpl'
      - '!stable/docs/*'
      - 'incubator/**'
      - '!incubator/*.md'
      - '!incubator/README.md'
      - '!incubator/README.md.gotmpl'
      - '!incubator/app-readme.md'
      - '!incubator/app-readme.md.gotmpl'
      - '!incubator/docs/*'
      - 'dev/**'
      - '!dev/*.md'
      - '!dev/README.md'
      - '!dev/README.md.gotmpl'
      - '!dev/app-readme.md'
      - '!dev/app-readme.md.gotmpl'
      - '!dev/docs/*'
      - '.github/workflows/apps.test.yaml'
      - '.github/ct-install.yaml'
      - '.github/ct-lint.yaml'

jobs:
  changes:
    name: Get changed Apps
    runs-on: ubuntu-20.04
    outputs:
      matrix: "{\"app\": ${{ steps.reduce.outputs.apps }} }"
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - uses: dorny/paths-filter@v2
      id: filter
      with:
        list-files: json
        filters: |
          changed:
          - 'stable/**'
          - 'incubator/**'
          - 'dev/**'
    - run: echo '${{ toJson(steps.filter.outputs) }}' > changes.json
    - id: reduce
      run: |
        APPS=$(jq --raw-output '.changed_files | fromjson | .[] |= sub("(?<filepath>(?<first_directory>(?<root1>[\/]?)[^\/]+\/)(?<second_directory>(?<root2>[\/]?)[^\/]+)(?<extra_paths>.+))"; "\(.second_directory)") | unique' changes.json)
        echo ::set-output name=apps::${APPS}

  app-tests:
    needs: [changes]
    name: App Tests
    runs-on: ubuntu-latest
    strategy:
      matrix: ${{ fromJson(needs.changes.outputs.matrix) }}
      fail-fast: false
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Prepare-Lint
        id: prep-lint
        run: |
            if test -f "./stable/${{ matrix.app }}/Chart.yaml"; then
              train="stable"
            elif test -f "./incubator/${{ matrix.app }}/Chart.yaml"; then
              train="incubator"
            else
              train="dev"
            fi
            echo ::set-output name=train::${train}

      - name: Install Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.5.3

      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.0.1


      - name: Run chart-testing (lint)
        id: lint
        run: ct lint --config .github/ct-lint.yaml --charts '${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}'

      - name: Create k3d cluster
        uses: nolar/setup-k3d-k3s@v1
        with:
          version: v1.19

      - name: Run chart-testing (install)
        run: ct install --config .github/ct-install.yaml --charts '${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}'

  app-tests-complete:
    needs: [app-tests]
    name: Apps Test Complete
    runs-on: ubuntu-latest
    steps:
      - name: complete message
        run: echo "App Tests Completed Successfully"