playwright.yml

# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Playwright Tests

on:
  pull_request:
    types: [opened, synchronize, edited]
    paths:
      - 'samples/**'
      - 'e2e/samples.spec.ts'
      - 'playwright.config.ts'
      - 'package.json'
  push:
    branches:
      - main
    paths:
      - 'samples/**'
      - 'e2e/samples.spec.ts'
      - 'playwright.config.ts'
      - 'package.json'
  schedule:
    - cron: "0 12 * * *"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  pr_and_push_tests:
    name: Playwright PR/Push Tests
    if: |
      (github.event_name == 'pull_request' && github.event.pull_request.merged == false) ||
      (github.event_name == 'push' && !contains(github.event.head_commit.message, 'chore: update dist folder'))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true

      - name: Get Changed Workspaces
        id: get_workspaces
        # For PRs, compare against the origin's version of the base branch.
        # For pushes, compare against the commit before the push.
        run: |
          bash samples/find-changes.sh ${{ github.event_name == 'pull_request' && format('origin/{0}', github.base_ref) || github.event.before }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Cache npm dependencies
        uses: actions/cache@v4
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Cache Playwright browsers
        id: playwright-cache
        uses: actions/cache@v4
        with:
          path: ~/.cache/ms-playwright # Default Playwright cache path
          key: ${{ runner.os }}-playwright-${{ hashFiles('package-lock.json') }}-${{ hashFiles('playwright.config.ts') }}
          restore-keys: |
            ${{ runner.os }}-playwright-${{ hashFiles('package-lock.json') }}- # Fallback for lock file changes
            ${{ runner.os }}-playwright- # Broader fallback
        env:
          PLAYWRIGHT_BROWSERS_PATH: ~/.cache/ms-playwright

      - name: Install dependencies
        run: npm install

      - name: Install Playwright Browsers
        if: steps.playwright-cache.outputs.cache-hit != 'true'
        run: npx playwright install --with-deps

      - name: Build Changed Workspaces
        run: |
          IFS=$'\n'
          CHANGED_WORKSPACES_ARRAY=(${{ steps.get_workspaces.outputs.changed_workspaces }})
          echo "Changed Workspaces Array: ${CHANGED_WORKSPACES_ARRAY[@]}"
          
          echo "Building changed workspaces:"
          for workspace in "${CHANGED_WORKSPACES_ARRAY[@]}"; do
            echo "  - samples/$workspace"
            npm run build --workspace=samples/$workspace
          done

      - name: Generate Index (Run Once After Builds)
        run: bash samples/generate-index.sh
        # Consider adding an 'if' condition if it only needs to run when 'samples/' changed at all.
        # if: |
        #   steps.get_workspaces.outputs.changed_workspaces != '' || # If any workspace built
        #   contains(github.event.pull_request.paths.*, 'samples/generate-index.sh') # Or if the script itself changed

      - name: Run All Playwright Tests
        if: steps.get_workspaces.outputs.changed_workspaces != ''
        run: npx playwright test e2e/samples.spec.ts
        env:
          # Pass the correct base reference for find-changes.sh when called by samples.spec.ts
          GIT_BASE_REF: ${{ github.event_name == 'pull_request' && format('origin/{0}', github.base_ref) || github.event.before }}
          CI: true

      - name: Upload Test Report Artifact
        uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: Test Results
          path: test-results/

  scheduled_full_test:
    name: Scheduled Full E2E Tests
    if: github.event_name == 'schedule'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          lfs: true

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Cache npm dependencies
        uses: actions/cache@v4
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Cache Playwright browsers
        uses: actions/cache@v4
        with:
          path: ~/.cache/ms-playwright # Default Playwright cache path
          key: ${{ runner.os }}-playwright-${{ hashFiles('package-lock.json') }}-${{ hashFiles('playwright.config.ts') }}
          restore-keys: |
            ${{ runner.os }}-playwright-${{ hashFiles('package-lock.json') }}- # Fallback for lock file changes
            ${{ runner.os }}-playwright- # Broader fallback

      - name: Install dependencies
        run: npm ci

      - name: Build All Projects
        run: npm run build-all

      - name: Generate Index (Run Once After Full Builds)
        run: bash samples/generate-index.sh

      - name: Install Playwright browsers with OS dependencies
        run: npx playwright install --with-deps

      - name: Run Full E2E Tests (Scheduled)
        run: npx playwright test e2e/samples.spec.ts
        env:
          CI: true

      - name: Upload Test Report Artifact
        uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: Test Results
          path: test-results/