webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/moizibnyousaf/ai-agent-skills --skill webapp-testing- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads webapp-testing automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Web App Testing with Playwright
Setup
npm init playwright@latest
Basic Test Structure
import { test, expect } from '@playwright/test';
test('homepage has title', async ({ page }) => {
await page.goto('http://localhost:3000');
await expect(page).toHaveTitle(/My App/);
});
test('can navigate to about page', async ({ page }) => {
await page.goto('http://localhost:3000');
await page.click('text=About');
await expect(page).toHaveURL(/.*about/);
});
Common Actions
Navigation
await page.goto('http://localhost:3000');
await page.goBack();
await page.reload();
Clicking
await page.click('button');
await page.click('text=Submit');
await page.click('#submit-btn');
await page.click('[data-testid="submit"]');
Form Input
await page.fill('input[name="email"]', 'test@example.com');
await page.fill('#password', 'secret123');
await page.selectOption('select#country', 'USA');
await page.check('input[type="checkbox"]');
Waiting
await page.waitForSelector('.loaded');
await page.waitForURL('**/dashboard');
await page.waitForResponse('**/api/data');
await page.waitForTimeout(1000); // Avoid if possible
Assertions
await expect(page.locator('h1')).toHaveText('Welcome');
await expect(page.locator('.items')).toHaveCount(5);
await expect(page.locator('button')).toBeEnabled();
await expect(page.locator('.modal')).toBeVisible();
await expect(page.locator('input')).toHaveValue('test');
Screenshots
// Full page
await page.screenshot({ path: 'screenshot.png', fullPage: true });
// Element only
await page.locator('.chart').screenshot({ path: 'chart.png' });
Console Logs
page.on('console', msg => console.log(msg.text()));
page.on('pageerror', err => console.error(err.message));
Network Interception
await page.route('**/api/data', route => {
route.fulfill({
status: 200,
body: JSON.stringify({ items: [] })
});
});
Running Tests
# Run all tests
npx playwright test
# Run specific file
npx playwright test tests/login.spec.ts
# Run in headed mode
npx playwright test --headed
# Run with UI
npx playwright test --ui
FAQ
What does the webapp-testing skill do?
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
How do I install webapp-testing?
Run npx skills add https://github.com/moizibnyousaf/ai-agent-skills --skill webapp-testing in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/webapp-testing/ (personal) or .claude/skills/webapp-testing/ (project).
Which AI agents can use webapp-testing?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is webapp-testing safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains webapp-testing?
It is published by moizibnyousaf in moizibnyousaf/ai-agent-skills. It has 162 recorded installs.
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