name: Ember test audit comparison
on:
  pull_request:
    paths:
    - 'ui/**'

defaults:
  run:
    working-directory: ui

# There’s currently no way to share steps between jobs so there’s a lot of duplication
# for running the audit for the base and PR.
  
jobs:
  time-base:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          ref: ${{ github.event.pull_request.base.sha }}
      - uses: nanasess/setup-chromedriver@master
      - name: Use Node.js
        uses: actions/setup-node@v1
        with:
          node-version: '10.x'
      - run: yarn --frozen-lockfile
      - run: mkdir -p /tmp/test-reports
      - run: npx ember-test-audit 3 --json --output ../base-audit.json
      - name: Upload result
        uses: actions/upload-artifact@v2
        with:
          name: base-audit
          path: base-audit.json
  time-pr:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: nanasess/setup-chromedriver@master
      - name: Use Node.js
        uses: actions/setup-node@v1
        with:
          node-version: '10.x'
      - run: yarn --frozen-lockfile
      - run: mkdir -p /tmp/test-reports
      - run: npx ember-test-audit 3 --json --output ../pr-audit.json
      - name: Upload result
        uses: actions/upload-artifact@v2
        with:
          name: pr-audit
          path: pr-audit.json
  compare:
    needs: [time-base, time-pr]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v2
        with:
          name: base-audit
      - uses: actions/download-artifact@v2
        with:
          name: pr-audit
      - uses: backspace/ember-test-audit-comparison-action@v2
        with:
          base-report-path: base-audit.json
          comparison-report-path: pr-audit.json
          base-identifier: ${{ github.event.pull_request.base.ref }}
          comparison-identifier: ${{ github.event.pull_request.head.sha }}
          timing-output-path: audit-diff.md
          flakiness-output-path: flakiness-report.md
      - uses: marocchino/sticky-pull-request-comment@v2.0.0
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          path: audit-diff.md
      - name: Check for existence of flakiness report
        id: check_file
        uses: andstor/file-existence-action@v1
        with:
          files: "flakiness-report.md"
      - name: comment PR
        if: steps.check_file.outputs.files_exists == 'true'
        uses: machine-learning-apps/pr-comment@1.0.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          path: flakiness-report.md