Add CI/CD basic E2E tests that run on PR/merge

.github/workflows/test-starter-template.yml

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+name: Test Starter Template
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'templates/starter/**'
+      - 'tests/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'templates/starter/**'
+      - 'tests/**'
+
+jobs:
+  test-starter-template:
+    uses: ./.github/workflows/test-template.yml
+    with:
+      template: starter

.github/workflows/test-template.yml

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+name: Test Template(s)
+
+on:
+  workflow_call:
+    inputs:
+      template:
+        required: true
+        type: string
+        description: 'Template name (e.g., vite, starter)'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Install dependencies (tests)
+        working-directory: tests
+        run: npm ci
+
+      - name: Install dependencies (template)
+        working-directory: templates/${{ inputs.template }}
+        run: npm install
+
+      - name: Get Playwright version
+        id: playwright-version
+        working-directory: tests
+        run: echo "version=$(npm ls @playwright/test --json | jq -r '.dependencies["@playwright/test"].version')" >> $GITHUB_OUTPUT
+
+      - name: Cache Playwright browsers
+        uses: actions/cache@v4
+        id: playwright-cache
+        with:
+          path: ~/.cache/ms-playwright
+          key: playwright-${{ steps.playwright-version.outputs.version }}
+
+      - name: Install Playwright browsers
+        if: steps.playwright-cache.outputs.cache-hit != 'true'
+        working-directory: tests
+        run: npx playwright install --with-deps chromium
+
+      - name: Install Playwright system dependencies
+        if: steps.playwright-cache.outputs.cache-hit == 'true'
+        run: npx playwright install-deps chromium
+
+      - name: Run Playwright tests
+        working-directory: tests
+        run: npm run test
+        env:
+          CI: true
+          TEMPLATE: ${{ inputs.template }}
+
+      - name: Upload Playwright report
+        uses: actions/upload-artifact@v4
+        if: ${{ !cancelled() }}
+        with:
+          name: playwright-report-${{ inputs.template }}-template
+          path: tests/playwright-report/index.html
+          retention-days: 30

.github/workflows/test-vite-template.yml

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+name: Test Vite Template
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'templates/vite/**'
+      - 'tests/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'templates/vite/**'
+      - 'tests/**'
+
+jobs:
+  test-vite-template:
+    uses: ./.github/workflows/test-template.yml
+    with:
+      template: vite

tests/.gitignore

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+# Dependencies
+node_modules/
+
+# Playwright
+playwright-report/
+test-results/
+playwright/.cache/

tests/e2e/starter.spec.ts

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+import { test, expect } from '@playwright/test';
+
+test.describe('Starter Template', () => {
+  test('should load the app and display main content', async ({ page }) => {
+    await page.goto('/');
+
+    // Check that the page title is correct
+    await expect(page).toHaveTitle('Power Apps');
+
+    // Check that the main heading is visible
+    await expect(page.getByRole('heading', { name: 'Power + Code' })).toBeVisible();
+
+    // Check that the Power Apps and React logos are present
+    await expect(page.getByAltText('Power Apps logo')).toBeVisible();
+    await expect(page.getByAltText('React logo')).toBeVisible();
+  });
+
+  test('should have working counter button', async ({ page }) => {
+    await page.goto('/');
+
+    // Find the counter button and verify initial state
+    const counterButton = page.getByRole('button', { name: /count is/i });
+    await expect(counterButton).toBeVisible();
+    await expect(counterButton).toHaveText('count is 0');
+
+    // Click the button and verify the count increments
+    await counterButton.click();
+    await expect(counterButton).toHaveText('count is 1');
+
+    // Click again to verify continued functionality
+    await counterButton.click();
+    await expect(counterButton).toHaveText('count is 2');
+  });
+
+  test('should have theme toggle', async ({ page }) => {
+    await page.goto('/');
+
+    // Check that the theme toggle button exists
+    const themeToggle = page.getByRole('button', { name: /toggle theme/i });
+    await expect(themeToggle).toBeVisible();
+  });
+});

tests/e2e/vite.spec.ts

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+import { test, expect } from '@playwright/test';
+
+test.describe('Vite React Template', () => {
+  test('should load the app and display main content', async ({ page }) => {
+    await page.goto('/');
+
+    // Check that the page title is correct
+    await expect(page).toHaveTitle('vite');
+
+    // Check that the main heading is visible
+    await expect(page.getByRole('heading', { name: 'Vite + React' })).toBeVisible();
+
+    // Check that the Vite and React logos are present
+    await expect(page.getByAltText('Vite logo')).toBeVisible();
+    await expect(page.getByAltText('React logo')).toBeVisible();
+  });
+
+  test('should have working counter button', async ({ page }) => {
+    await page.goto('/');
+
+    // Find the counter button and verify initial state
+    const counterButton = page.getByRole('button', { name: /count is/i });
+    await expect(counterButton).toBeVisible();
+    await expect(counterButton).toHaveText('count is 0');
+
+    // Click the button and verify the count increments
+    await counterButton.click();
+    await expect(counterButton).toHaveText('count is 1');
+
+    // Click again to verify continued functionality
+    await counterButton.click();
+    await expect(counterButton).toHaveText('count is 2');
+  });
+});

tests/package.json

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+{
+  "name": "powerappscodeapps-tests",
+  "private": true,
+  "version": "0.1.0",
+  "scripts": {
+    "test": "playwright test"
+  },
+  "devDependencies": {
+    "@playwright/test": "^1.40.0",
+    "@types/node": "^24.10.9"
+  }
+}

tests/playwright.config.ts

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+import { defineConfig, devices } from "@playwright/test";
+import path from "path";
+
+const isCI = !!process.env.CI;
+const template: "vite" | "starter" = process.env.TEMPLATE; // Set to 'vite' or 'starter' to run only one
+
+const webServers = {
+  vite: {
+    name: "vite-template",
+    command: "npm run build && npm run preview -- --port 4173",
+    cwd: path.resolve(__dirname, "../templates/vite"),
+    url: "http://localhost:4173",
+    reuseExistingServer: !isCI,
+  },
+  starter: {
+    name: "starter-template",
+    command: "npm run build && npm run preview -- --port 4174",
+    cwd: path.resolve(__dirname, "../templates/starter"),
+    url: "http://localhost:4174",
+    reuseExistingServer: !isCI,
+  },
+};
+
+const projects = {
+  vite: {
+    name: "vite",
+    testMatch: "vite.spec.ts",
+    use: {
+      ...devices["Desktop Chrome"],
+      baseURL: "http://localhost:4173",
+    },
+  },
+  starter: {
+    name: "starter",
+    testMatch: "starter.spec.ts",
+    use: {
+      ...devices["Desktop Chrome"],
+      baseURL: "http://localhost:4174",
+    },
+  },
+};
+
+export default defineConfig({
+  testDir: "./e2e",
+  fullyParallel: true,
+  forbidOnly: isCI,
+  retries: isCI ? 2 : 0,
+  workers: isCI ? 1 : undefined,
+  reporter: isCI ? [["github"], ["html", { open: "never" }]] : "html",
+  use: {
+    trace: "on-first-retry",
+  },
+  projects: projects[template] ? [projects[template]] : Object.values(projects),
+  webServer: webServers[template] ?? Object.values(webServers),
+});