Unit Tests skills

This skill helps Angular developers write robust unit and integration tests using Vitest or Jasmine, including signals, OnPush, and HTTP interactions.

This skill helps Angular developers implement routing v20+ with lazy loading, guards, resolvers, and signal-based parameters for robust navigation.

This skill helps you unit-test Jakarta Bean Validation with patterns and examples for built-in constraints and custom validators.

This skill guides building robust Spring Boot test suites with unit, slice, and integration patterns using Testcontainers and MockMvc.

This skill helps you apply comprehensive unit-test boundary patterns, covering min/max values, nulls, empties, precision, and edge cases across Java/Python

This skill helps you validate exception handling in Spring controllers by testing @ExceptionHandler and @ControllerAdvice with MockMvc for precise error

This skill guides unit testing of Spring Cache annotations using in-memory caches to verify hits, misses, eviction, and key generation.

This skill streamlines Spring Boot dependency injection by enforcing constructor-first patterns, optional collaborators, and explicit bean configuration to

This skill helps you validate @ConfigurationProperties bindings with ApplicationContextRunner, ensuring proper binding, validation, defaults, profiles, and

This skill guides you in writing parameterized unit tests with JUnit 5 using various sources to cover multiple scenarios efficiently.

This skill helps you unit test REST controllers with MockMvc by isolating the web layer and validating requests, responses, and errors.

This skill provides patterns for unit testing mappers and converters to verify accurate data transformations between DTOs and domain objects.

This skill provides testing strategies for LangChain4J applications, enabling reliable unit, integration, and end-to-end tests with mocks and Testcontainers.

This skill provides patterns for unit testing JSON serialization and deserialization with Jackson and JsonTest to validate mappings and formats.

This skill guides you to test Spring ApplicationEvent publishing and listeners with JUnit, Mockito, and AssertJ for fast, reliable event-driven tests.

This skill runs mutation testing to evaluate test effectiveness and reveal weak tests, improving test quality beyond coverage.

This skill executes and analyzes pytest suites, ensures environment readiness, reports coverage, and aids failure diagnosis for Python test automation.

This skill auto-generates test data factories from schemas or models, accelerating test setup with realistic, deterministic fixtures.

This skill runs and manages Vitest test suites with coverage, reporting, and diagnostics to speed up JS/TS test automation.

This skill masters vitest testing patterns including unit tests, mocks, spies, and browser mode testing to ensure robust TypeScript code.

This skill helps you master RSpec fundamentals including describe, context, it blocks, let, and basic matchers for reliable Ruby testing.