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playwright-best-practices

Use when writing Playwright tests, fixing flaky tests, debugging failures, implementing Page Object Model, configuring CI/CD, optimizing performance, mocking…

Skill by currents.dev

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About

Use when writing Playwright tests, fixing flaky tests, debugging failures, implementing Page Object Model, configuring CI/CD, optimizing performance, mocking APIs, handling authentication or OAuth, testing accessibility (axe-core), file uploads/downloads, date/time mocking, WebSockets, geolocation, permissions, multi-tab/popup flows, mobile/responsive layouts, touch gestures, GraphQL, error handling, offline mode, multi-user collaboration, third-party services (payments, email verification), console error monitoring, global setup/teardown, test annotations (skip, fixme, slow), test tags (@smoke, @fast, @critical, filtering with --grep), project dependencies, security testing (XSS, CSRF, auth), performance budgets (Web Vitals, Lighthouse), iframes, component testing, canvas/WebGL, service workers/PWA, test coverage, i18n/localization, Electron apps, or browser extension testing. Covers E2E, component, API, visual, accessibility, security, Electron, and extension testing.

Use cases: design, frontend, backend, testing

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

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  • ~/.claude/skills/playwright-best-practices

What's inside

Skill name
playwright-best-practices
Description
Use when writing Playwright tests, fixing flaky tests, debugging failures, implementing Page Object Model, configuring CI/CD, optimizing performance, mocking APIs, handling authentication or OAuth, testing accessibility (axe-core), file uploads/downloads, date/time mocking, WebSockets, geolocation, permissions, multi-tab/popup flows, mobile/responsive layouts, touch gestures, GraphQL, error handling, offline mode, multi-user collaboration, third-party services (payments, email verification), console error monitoring, global setup/teardown, test annotations (skip, fixme, slow), test tags (@smoke, @fast, @critical, filtering with --grep), project dependencies, security testing (XSS, CSRF, auth), performance budgets (Web Vitals, Lighthouse), iframes, component testing, canvas/WebGL, service workers/PWA, test coverage, i18n/localization, Electron apps, or browser extension testing. Covers E2E, component, API, visual, accessibility, security, Electron, and extension testing.
License
MIT
Metadata
author: currents.dev · version: 1.1
Instructions
296 lines in SKILL.md · view on GitHub

Files (63)

  • .agnix.toml
  • validate-skill.yml · .github/workflows/
  • LICENSE.md
  • README.md
  • SKILL.md
  • authentication-flows.md · advanced/
  • authentication.md · advanced/
  • clock-mocking.md · advanced/
  • mobile-testing.md · advanced/
  • multi-context.md · advanced/
  • multi-user.md · advanced/
  • network-advanced.md · advanced/
  • third-party.md · advanced/
  • pom-vs-fixtures.md · architecture/
  • test-architecture.md · architecture/
  • when-to-mock.md · architecture/
  • browser-apis.md · browser-apis/
  • iframes.md · browser-apis/
  • service-workers.md · browser-apis/
  • websockets.md · browser-apis/
  • annotations.md · core/
  • assertions-waiting.md · core/
  • configuration.md · core/
  • fixtures-hooks.md · core/
  • global-setup.md · core/
  • locators.md · core/
  • page-object-model.md · core/
  • projects-dependencies.md · core/
  • test-data.md · core/
  • test-suite-structure.md · core/
  • test-tags.md · core/
  • console-errors.md · debugging/
  • debugging.md · debugging/
  • error-testing.md · debugging/
  • flaky-tests.md · debugging/
  • angular.md · frameworks/
  • nextjs.md · frameworks/
  • react.md · frameworks/
  • vue.md · frameworks/
  • ci-cd.md · infrastructure-ci-cd/
  • docker.md · infrastructure-ci-cd/
  • github-actions.md · infrastructure-ci-cd/
  • gitlab.md · infrastructure-ci-cd/
  • other-providers.md · infrastructure-ci-cd/
  • parallel-sharding.md · infrastructure-ci-cd/
  • performance.md · infrastructure-ci-cd/
  • reporting.md · infrastructure-ci-cd/
  • test-coverage.md · infrastructure-ci-cd/
  • accessibility.md · testing-patterns/
  • api-testing.md · testing-patterns/
  • browser-extensions.md · testing-patterns/
  • canvas-webgl.md · testing-patterns/
  • component-testing.md · testing-patterns/
  • drag-drop.md · testing-patterns/
  • electron.md · testing-patterns/
  • file-operations.md · testing-patterns/
  • file-upload-download.md · testing-patterns/
  • forms-validation.md · testing-patterns/
  • graphql-testing.md · testing-patterns/
  • i18n.md · testing-patterns/
  • …and 3 more

SKILL.md (first lines)

# Playwright Best Practices

This skill provides comprehensive guidance for all aspects of Playwright test development, from writing new tests to debugging and maintaining existing test suites.

## Activity-Based Reference Guide

Consult these references based on what you're doing:

### Writing New Tests

**When to use**: Creating new test files, writing test cases, implementing test scenarios

| Activity                            | Reference Files                                                                                                                               |
| ----------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| **Writing E2E tests**               | [test-suite-structure.md](core/test-suite-structure.md), [locators.md](core/locators.md), [assertions-waiting.md](core/assertions-waiting.md) |
| **Writing component tests**         | [component-testing.md](testing-patterns/component-testing.md), [test-suite-structure.md](core/test-suite-structure.md)                        |
| **Writing API tests**               | [api-testing.md](testing-patterns/api-testing.md), [test-suite-structure.md](core/test-suite-structure.md)                                    |
| **Writing GraphQL tests**           | [graphql-testing.md](testing-patterns/graphql-testing.md), [api-testing.md](testing-patterns/api-testing.md)                                  |
| **Writing visual regression tests** | [visual-regression.md](testing-patterns/visual-regression.md), [canvas-webgl.md](testing-patterns/canvas-webgl.md)                            |
| **Structuring test code with POM**  | [page-object-model.md](core/page-object-model.md), [test-suite-structure.md](core/test-suite-structure.md)                                    |
| **Setting up test data/fixtures**   | [fixtures-hooks.md](core/fixtures-hooks.md), [test-data.md](core/test-data.md)                                                                |
| **Handling authentication**         | [authentication.md](advanced/authentication.md), [authentication-flows.md](advanced/authentication-flows.md)                                  |
| **Testing date/time features**      | [clock-mocking.md](advanced/clock-mocking.md)                                                                                                 |
| **Testing file upload/download**    | [file-operations.md](testing-patterns/file-operations.md), [file-upload-download.md](testing-patterns/file-upload-download.md)                |
| **Testing forms/validation**        | [forms-validation.md](testing-patterns/forms-validation.md)                                                                                   |
| **Testing drag and drop**           | [drag-drop.md](testing-patterns/drag-drop.md)                                                                                                 |
| **Testing accessibility**           | [accessibility.md](testing-patterns/accessibility.md)                                                                                         |
| **Testing security (XSS, CSRF)**    | [security-testing.md](testing-patterns/security-testing.md)                                                                                   |
| **Using test annotations**          | [annotations.md](core/annotations.md)                                                                                                         |
| **Using test tags**                 | [test-tags.md](core/test-tags.md)                                                                                                             |
| **Testing iframes**                 | [iframes.md](browser-apis/iframes.md)                                                                                                         |
| **Testing canvas/WebGL**            | [canvas-webgl.md](testing-patterns/canvas-webgl.md)                                                                                           |
| **Internationalization (i18n)**     | [i18n.md](testing-patterns/i18n.md)                                                                                                           |
| **Testing Electron apps**           | [electron.md](testing-patterns/electron.md)                                                                                                   |
| **Testing browser extensions**      | [browser-extensions.md](testing-patterns/browser-extensions.md)                                                                               |

### Mobile & Responsive Testing

**When to use**: Testing mobile devices, touch interactions, responsive layouts

| Activity                        | Reference Files                                                                  |
| ------------------------------- | -------------------------------------------------------------------------------- |
| **Device emulation**            | [mobile-testing.md](advanced/mobile-testing.md)                                  |
| **Touch gestures (swipe, tap)** | [mobile-testing.md](advanced/mobile-testing.md)                                  |
| **Viewport/breakpoint testing** | [mobile-testing.md](advanced/mobile-testing.md)                                  |
| **Mobile-specific UI**          | [mobile-testing.md](advanced/mobile-testing.md), [locators.md](core/locators.md) |

### Real-Time & Browser APIs

**When to use**: Testing WebSockets, geolocation, permissions, multi-tab flows

| Activity                        | Reference Files                                                                          |
| ------------------------------- | ---------------------------------------------------------------------------------------- |
| **WebSocket/real-time testing** | [websockets.md](browser-apis/websockets.md)                                              |
| **Geolocation mocking**         | [browser-apis.md](browser-apis/browser-apis.md)                                          |
| **Permission handling**         | [browser-apis.md](browser-apis/browser-apis.md)                                          |
| **Clipboard testing**           | [browser-apis.md](browser-apis/browser-apis.md)                                          |
| **Camera/microphone mocking**   | [browser-apis.md](browser-apis/browser-apis.md)                                          |
| **Multi-tab/popup flows**       | [multi-context.md](advanced/multi-context.md)                                            |
| **OAuth popup handling**        | [third-party.md](advanced/third-party.md), [multi-context.md](advanced/multi-context.md) |

### Debugging & Troubleshooting

**When to use**: Test failures, element not found, timeouts, unexpected behavior

| Activity                                          | Reference Files                                                                                                                                |
| ------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------- |
| **Debugging test failures**                       | [debugging.md](debugging/debugging.md), [assertions-waiting.md](core/assertions-waiting.md)                                                    |
| **Fixing flaky tests**                            | [flaky-tests.md](debugging/flaky-tests.md), [debugging.md](debugging/debugging.md), [assertions-waiting.md](core/assertions-waiting.md)        |
| **Debugging flaky parallel runs**                 | [flaky-tests.md](debugging/flaky-tests.md), [performance.md](infrastructure-ci-cd/performance.md), [fixtures-hooks.md](core/fixtures-hooks.md) |
| **Ensuring test isolation / avoiding state leak** | [flaky-tests.md](debugging/flaky-tests.md), [fixtures-hooks.md](core/fixtures-hooks.md), [performance.md](infrastructure-ci-cd/performance.md) |
| **Fixing selector issues**                        | [locators.md](core/locators.md), [debugging.md](debugging/debugging.md)                                                                        |
| **Investigating timeout issues**                  | [assertions-waiting.md](core/assertions-waiting.md), [debugging.md](debugging/debugging.md)                                                    |
| **Using trace viewer**                            | [debugging.md](debugging/debugging.md)                                                                                                         |
| **Debugging race conditions**                     | [flaky-tests.md](debugging/flaky-tests.md), [debugging.md](debugging/debugging.md), [assertions-waiting.md](core/assertions-waiting.md)        |
| **Debugging console/JS errors**                   | [console-errors.md](debugging/console-errors.md), [debugging.md](debugging/debugging.md)                                                       |

### Error & Edge Case Testing

**When to use**: Testing error states, offline mode, network failures, validation

| Activity                       | Reference Files                                                                                       |
| ------------------------------ | ----------------------------------------------------------------------------------------------------- |
| **Error boundary testing**     | [error-testing.md](debugging/error-testing.md)                                                        |
| **Network failure simulation** | [error-testing.md](debugging/error-testing.md), [network-advanced.md](advanced/network-advanced.md)   |
| **Offline mode testing**       | [error-testing.md](debugging/error-testing.md), [service-workers.md](browser-apis/service-workers.md) |
| **Service worker testing**     | [service-workers.md](browser-apis/service-workers.md)                                                 |
| **Loading state testing**      | [error-testing.md](debugging/error-testing.md)                                                        |
| **Form validation testing**    | [error-testing.md](debugging/error-testing.md)                                                        |

### Multi-User & Collaboration Testing

**When to use**: Testing features involving multiple users, roles, or real-time collaboration

| Activity                       | Reference Files                                                                      |
| ------------------------------ | ------------------------------------------------------------------------------------ |
| **Multiple users in one test** | [multi-user.md](advanced/multi-user.md)                                              |
| **Real-time collaboration**    | [multi-user.md](advanced/multi-user.md), [websockets.md](browser-apis/websockets.md) |
| **Role-based access testing**  | [multi-user.md](advanced/multi-user.md)                                              |
| **Concurrent action testing**  | [multi-user.md](advanced/multi-user.md)                                              |

### Architecture Decisions

**When to use**: Choosing test patterns, deciding between approaches, planning test architecture

| Activity                     | Reference Files                                           |
| ---------------------------- | --------------------------------------------------------- |
| **POM vs fixtures decision** | [pom-vs-fixtures.md](architecture/pom-vs-fixtures.md)     |
| **Test type selection**      | [test-architecture.md](architecture/test-architecture.md) |
| **Mock vs real services**    | [when-to-mock.md](architecture/when-to-mock.md)           |
| **Test suite structure**     | [test-suite-structure.md](core/test-suite-structure.md)   |

### Framework-Specific Testing

**When to use**: Testing React, Angular, Vue, or Next.js applications

| Activity                  | Reference Files                     |
| ------------------------- | ----------------------------------- |
| **Testing React apps**    | [react.md](frameworks/react.md)     |

From ifernandez89/productos_crud_bkd, MIT.

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Last commit (this folder)
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Details

Version
1.1
License
MIT
Repository
github.com/ifernandez89/productos_crud_bkd
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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playwright-best-practices skill. Agent Mart. https://agentmart.dev/skills/ifernandez89-playwright-best-practices (last updated 2026-10-24)