generate

Generate Playwright Tests

Generate production-ready Playwright tests from a user story, URL, component name, or feature description.

Input

$ARGUMENTS contains what to test. Examples:

• "user can log in with email and password"

• "the checkout flow"

• "src/components/UserProfile.tsx"

• "the search page with filters"

Steps

1. Understand the Target

Parse $ARGUMENTS to determine:

• User story: Extract the behavior to verify

• Component path: Read the component source code

• Page/URL: Identify the route and its elements

• Feature name: Map to relevant app areas

2. Explore the Codebase

Use the Explore subagent to gather context:

• Read playwright.config.ts for testDir, baseURL, projects

• Check existing tests in testDir for patterns, fixtures, and conventions

• If a component path is given, read the component to understand its props, states, and interactions

• Check for existing page objects in pages/

• Check for existing fixtures in fixtures/

• Check for auth setup (auth.setup.ts or storageState config)

3. Select Templates

Check templates/ in this plugin for matching patterns:

If testing... Load template from

Login/auth flow templates/auth/login.md

CRUD operations templates/crud/

Checkout/payment templates/checkout/

Search/filter UI templates/search/

Form submission templates/forms/

Dashboard/data templates/dashboard/

Settings page templates/settings/

Onboarding flow templates/onboarding/

API endpoints templates/api/

Accessibility templates/accessibility/

Adapt the template to the specific app — replace {{placeholders}} with actual selectors, URLs, and data.

4. Generate the Test

Follow these rules:

Structure:

import { test, expect } from '@playwright/test';
// Import custom fixtures if the project uses them

test.describe('Feature Name', () => {
  // Group related behaviors

  test('should <expected behavior>', async ({ page }) => {
    // Arrange: navigate, set up state
    // Act: perform user action
    // Assert: verify outcome
  });
});

Locator priority (use the first that works):

• getByRole() — buttons, links, headings, form elements

• getByLabel() — form fields with labels

• getByText() — non-interactive text content

• getByPlaceholder() — inputs with placeholder text

• getByTestId() — when semantic options aren't available

Assertions — always web-first:

// GOOD — auto-retries
await expect(page.getByRole('heading')).toBeVisible();
await expect(page.getByRole('alert')).toHaveText('Success');

// BAD — no retry
const text = await page.textContent('.msg');
expect(text).toBe('Success');

Never use:

• page.waitForTimeout()

• page.$(selector) or page.$$(selector)

• Bare CSS selectors unless absolutely necessary

• page.evaluate() for things locators can do

Always include:

• Descriptive test names that explain the behavior

• Error/edge case tests alongside happy path

• Proper await on every Playwright call

• baseURL-relative navigation (page.goto('/') not page.goto('http://...'))

5. Match Project Conventions

• If project uses TypeScript → generate .spec.ts

• If project uses JavaScript → generate .spec.js with require() imports

• If project has page objects → use them instead of inline locators

• If project has custom fixtures → import and use them

• If project has a test data directory → create test data files there

6. Generate Supporting Files (If Needed)

• Page object: If the test touches 5+ unique locators on one page, create a page object

• Fixture: If the test needs shared setup (auth, data), create or extend a fixture

• Test data: If the test uses structured data, create a JSON file in test-data/

7. Verify

Run the generated test:

npx playwright test <generated-file> --reporter=list

If it fails:

• Read the error

• Fix the test (not the app)

• Run again

• If it's an app issue, report it to the user

Output

• Generated test file(s) with path

• Any supporting files created (page objects, fixtures, data)

• Test run result

• Coverage note: what behaviors are now tested

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