Agent skill

133-java-testing-acceptance-tests

Use when you need to implement acceptance tests from a Gherkin .feature file for framework-agnostic Java (no Spring Boot, Quarkus, Micronaut) — finding @acceptance scenarios, happy path with RestAssured, Testcontainers for DB/Kafka, WireMock for external REST. Requires .feature file in context. 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/133-java-testing-acceptance-tests

Metadata

Additional technical details for this skill

author
Juan Antonio Breña Moral
version
0.14.0

SKILL.md

Java acceptance tests from Gherkin

Implement acceptance tests from Gherkin feature files. Given a .feature file in context, find @acceptance-tagged scenarios and implement happy-path tests with RestAssured, Testcontainers, and WireMock.

What is covered in this Skill?

  • Parse Gherkin .feature files to find scenarios tagged @acceptance or @acceptance-tests
  • Implement happy-path acceptance tests (one test per scenario)
  • RestAssured for REST API testing (given/when/then, status codes, JSON body assertions)
  • Testcontainers for databases (PostgreSQL, etc.) and Kafka
  • WireMock for stubbing external REST APIs
  • BaseAcceptanceTest base class with @BeforeAll coordinate propagation via System.setProperty
  • Given-When-Then structure mapping Gherkin steps to setup, request, and assertions
  • Maven dependencies: rest-assured, testcontainers, wiremock-standalone

Preconditions: (1) The Gherkin .feature file must be in context. (2) The project must NOT use Spring Boot, Quarkus, or Micronaut — for those frameworks, use @323-frameworks-spring-boot-testing-acceptance-tests or framework-specific rules.

Scope: Implements only happy-path scenarios. Use the reference for detailed examples and constraints.

Constraints

Before applying any acceptance test changes, ensure the Gherkin .feature file is in context and the project compiles. If compilation fails or the feature file is missing, stop immediately.

  • PRECONDITION: The Gherkin .feature file MUST be in context; the project MUST NOT use Spring Boot, Quarkus, or Micronaut
  • MANDATORY: Run ./mvnw compile or mvn compile before applying any change
  • SAFETY: If compilation fails, stop immediately and do not proceed
  • VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
  • BEFORE APPLYING: Read the reference for detailed examples, good/bad patterns, and constraints

When to use this skill

  • Review Java code for acceptance tests
  • Apply best practices for acceptance tests in Java code

Reference

For detailed guidance, examples, and constraints, see references/133-java-testing-acceptance-tests.md.

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