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Found 160 Skills
Provides comprehensive guidance for Jest testing framework including test writing, matchers, async testing, mocking, snapshots, configuration, and CLI. Use when the user asks about Jest, needs to write JavaScript/TypeScript tests, mock dependencies, or configure Jest for projects.
Router skill for choosing the right testing approach for Umbraco backoffice extensions
Expert guidance on Swift Testing best practices, patterns, and implementation. Use when developers mention: (1) Swift Testing, @Test, #expect, #require, or @Suite, (2) "use Swift Testing" or "modern testing patterns", (3) test doubles, mocks, stubs, spies, or fixtures, (4) unit tests, integration tests, or snapshot tests, (5) migrating from XCTest to Swift Testing, (6) TDD, Arrange-Act-Assert, or F.I.R.S.T. principles, (7) parameterized tests or test organization.
COBOL for mainframe and legacy business systems. Use for .cob files.
TYPO3 extension testing (unit, functional, E2E, architecture, mutation). Use when setting up test infrastructure, writing tests, or configuring CI/CD.
Implementation guide for new Streamlit features. Use when adding new elements, widgets, or features that span backend, frontend, and protobufs.
Applies tests-first discipline (red/green/refactor) and adds regression tests for bugs. Use when implementing features, fixing bugs, or refactoring.
Vitest Test Creator - Auto-activating skill for Test Automation. Triggers on: vitest test creator, vitest test creator Part of the Test Automation skill category.
Test pyramid and testing strategy — unit, integration, and end-to-end test ratios, mocking strategies, test isolation, and what to test. Reference when planning test coverage or evaluating test quality.
Core concepts and best practices for `package:test`. Covers `test`, `group`, lifecycle methods (`setUp`, `tearDown`), and configuration (`dart_test.yaml`).
Write unit and integration tests for a reproduced bug based on issue-analysis-<issue_number>.md.
Vitest unit testing patterns with React Testing Library. Trigger: When writing unit tests for React components, hooks, or utilities.