Agent skill

702-technologies-wiremock

Use when you need framework-agnostic WireMock guidance — stub design, JSON or programmatic mappings, precise request matching, response bodies and faults, classpath fixtures, isolation and reset between tests, verification of calls, dynamic ports and base URLs, and avoiding flaky stubs — without choosing Spring Boot, Quarkus, or Micronaut. Part of the skills-for-java project

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

npx add-skill https://github.com/jabrena/cursor-rules-java/tree/main/skills/702-technologies-wiremock

Metadata

Additional technical details for this skill

author
Juan Antonio Breña Moral
version
0.14.0

SKILL.md

WireMock best practices

Help teams use WireMock effectively for HTTP dependency stubbing with stable, isolated tests.

What is covered in this Skill?

  • Stub isolation: per-test registration, resetAll(), avoiding leaked global stubs
  • Request matching: method, path, headers, query, body patterns; when broad patterns are acceptable
  • Responses: status, headers, JSON/XML bodies, bodyFileName / classpath fixtures, fault simulation (delays, errors)
  • Dynamic ports and propagating base URLs into the system under test
  • Verification of outbound HTTP calls and debugging unmatched requests
  • Clear delegation to framework integration-test skills for test class layout and extensions

Scope: Portable WireMock behavior only. For BaseIntegrationTest, WireMockExtension, and stack-specific integration tests, use @132-java-testing-integration-testing, @322-frameworks-spring-boot-testing-integration-tests, @422-frameworks-quarkus-testing-integration-tests, or @522-frameworks-micronaut-testing-integration-tests. For OpenAPI contract quality, use @701-technologies-openapi.

Constraints

Keep recommendations at the WireMock and HTTP-stub layer unless the user explicitly asks for framework integration. After editing this repository's XML sources, regenerate skills and verify the build.

  • MANDATORY: Run ./mvnw compile or mvn compile before proposing Java or Maven changes in the same change set
  • FRAMEWORK: Defer @SpringBootTest / @QuarkusTest / @MicronautTest and extension setup to @132-java-testing-integration-testing or the matching 322 / 422 / 522 integration-test skill
  • CONTRACTS: Defer OpenAPI document structure and linting to @701-technologies-openapi
  • MANDATORY: Regenerate skills with ./mvnw clean install -pl skills-generator after editing skill or system-prompt XML in this repo
  • VERIFY: Run ./mvnw clean verify or mvn clean verify before promoting changes

When to use this skill

  • Design or review WireMock stubs (JSON mappings or Java DSL)
  • Improve request matching, isolation, or reset strategy for HTTP mocks
  • Add or fix verification of outbound HTTP calls to a WireMock server
  • Debug flaky tests involving WireMock or unmatched request journals
  • Stub external HTTP APIs in tests with stable fixtures and dynamic ports

Reference

For detailed guidance, examples, and constraints, see references/702-technologies-wiremock.md.

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