build.yml

name: 'Ionicons Build'

on:
  pull_request:
    branches: [ '**' ]

# When pushing a new commit we should
# cancel the previous test run to not
# consume more runners than we need to.
concurrency:
  group: ${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-core:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          # Checkout the latest commit in this branch
          ref: ${{ github.event.pull_request.head.sha }}
      - uses: ./.github/workflows/actions/build-core

  test-spec:
    needs: [build-core]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: ./.github/workflows/actions/test-spec
      
  test-e2e:
    strategy:
      # This ensures that all screenshot shard
      # failures are reported so the dev can
      # review everything at once.
      fail-fast: false
      matrix:
        # Divide the tests into n buckets
        # and run those buckets in parallel.
        # To increase the number of shards,
        # add new items to the shard array
        # and change the value of totalShards
        # to be the length of the shard array.
        shard: [1, 2, 3]
        totalShards: [3]
    needs: [build-core]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: ./.github/workflows/actions/test-e2e
        with:
          shard: ${{ matrix.shard }}
          totalShards: ${{ matrix.totalShards }}
  
  # Screenshots are required to pass
  # in order for the branch to be merge
  # eligible. However, the screenshot tests
  # are run on n runners where n can change
  # over time. The verify-screenshots step allows
  # us to have a required status check for screenshot
  # results without having to manually add each
  # matrix run in the branch protection rules
  # Source: https://github.community/t/status-check-for-a-matrix-jobs/127354
  verify-e2e:
    if: ${{ always() }}
    needs: test-e2e
    runs-on: ubuntu-latest
    steps:
      - name: Check build matrix status
        if: ${{ needs.test-e2e.result != 'success' }}
        run: exit 1