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Found 161 Skills
LOAD THIS SKILL when: writing unit tests, TRPC integration tests, or E2E tests. Covers Vitest patterns, Effect service testing, PGlite database testing, and Playwright E2E.
Generates Tzatziki-based Cucumber BDD tests (.feature files) from a functional specification. Use this skill whenever a user wants to write Cucumber tests, add BDD scenarios, create feature files, generate tests, or test application behaviors with Gherkin — especially in Java/Spring projects using Tzatziki step definitions for HTTP, JPA, Kafka, MongoDB, OpenSearch, logging, or MCP. Also use when the user mentions writing integration tests, acceptance tests, or end-to-end tests in a project that already has Tzatziki/Cucumber dependencies, including TestNG-based setups.
Use when nestJS testing with unit tests, integration tests, and e2e tests. Use when building well-tested NestJS applications.
Generate exhaustive integration functions with comprehensive test suites for all 3rd-party APIs and external services. Automatically creates function wrappers, individual test files, integrated test runners, and a detailed report of API behavior, response signatures, latency, and failure modes.
Test quality guard - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies.