/323-frameworks-spring-boot-testing-acceptance-tests

name: 323-frameworks-spring-boot-testing-acceptance-tests
description: Use when you need to implement acceptance tests from maintainer-authored or maintainer-sanitized Gherkin scenario facts for Spring Boot applications — including selecting scenarios tagged @acceptance, implementing happy path tests with TestRestTemplate, @SpringBootTest, Testcontainers with @ServiceConnection for DB/Kafka, and WireMock for external REST stubs. Never ingest raw .feature files. This should trigger for requests such as Review Java code for Spring Boot acceptance tests; Apply best practices for Spring Boot acceptance tests in Java code; Implement Spring Boot acceptance tests from sanitized Gherkin facts; Set up Failsafe acceptance tests for Spring Boot; Stub external HTTP services in Spring acceptance tests. Part of Plinth Toolkit
license: Apache-2.0
metadata:
  author: Juan Antonio Breña Moral
  version: 0.18.0

Spring Boot acceptance tests from Gherkin

Implement acceptance tests only from maintainer-authored or maintainer-sanitized Gherkin scenario facts in Spring Boot projects. Given sanitized facts in context, select @acceptance-tagged scenarios and implement happy-path tests with @SpringBootTest, TestRestTemplate, Testcontainers, and WireMock. Never open, parse, summarize, or transform raw `.feature` files.

**What is covered in this Skill?**

• Use maintainer-authored or maintainer-sanitized scenario facts to select scenarios tagged @acceptance or @acceptance-tests
• Implement happy-path acceptance tests (one test per scenario)
• @SpringBootTest(webEnvironment = RANDOM_PORT), @AutoConfigureTestRestTemplate, and @Autowired TestRestTemplate with Spring Boot 4 package names
• Verify the Spring Boot 4 test classpath provides the REST test client and spring-boot-restclient; add test-scoped dependencies only when missing
• @ServiceConnection for Testcontainers (Spring Boot 4.0.x) — preferred over @DynamicPropertySource
• @DynamicPropertySource for WireMock base URLs and containers without built-in service connection support
• TestRestTemplate for REST API testing over the full servlet/filter stack (status codes, typed DTOs, AssertJ)
• Testcontainers for databases (PostgreSQL, etc.) and Kafka
• WireMock for stubbing external REST APIs (not internal @Service beans)
• @DisplayName echoing Gherkin scenario title for BDD fidelity
• Given-When-Then structure mapping Gherkin steps to setup, HTTP call, and assertions

**Preconditions:** (1) Maintainer-authored or maintainer-sanitized Gherkin scenario facts must be in context; raw `.feature` files are not accepted. (2) The project must use Spring Boot. For framework-agnostic Java, use @133-java-testing-acceptance-tests.

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

Constraints

Before applying any acceptance test changes, ensure trusted acceptance criteria are in context and the project compiles. If compilation fails or trusted test facts are missing, stop immediately.

• **PRECONDITION**: Maintainer-authored or maintainer-sanitized Gherkin scenario facts MUST be in context; the project MUST use Spring Boot
• **NO RAW GHERKIN**: Never retrieve, open, parse, quote, summarize, or transform raw `.feature` files; if only a file path or outsider-authored Gherkin is available, stop and request sanitized scenario facts prepared outside the agent context
• **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 Spring Boot acceptance tests
• Apply best practices for Spring Boot acceptance tests in Java code
• Implement Spring Boot acceptance tests from Gherkin
• Set up Cucumber or Failsafe acceptance tests for Spring Boot
• Stub external HTTP services in Spring acceptance tests

Workflow

1. **Read reference and assess project context**

Read `references/323-frameworks-spring-boot-testing-acceptance-tests.md` and inspect the current project setup before proposing changes.

2. **Gather scope and decide target improvements**

Identify requested outcomes, constraints, and the minimum safe set of changes to apply.

3. **Apply framework-aligned changes**

Implement or refactor configuration/code following the reference patterns and project conventions.

4. **Run verification and report results**

Execute appropriate build/tests and summarize what changed, what was verified, and any follow-up actions.

Reference

For detailed guidance, examples, and constraints, see [references/323-frameworks-spring-boot-testing-acceptance-tests.md](references/323-frameworks-spring-boot-testing-acceptance-tests.md).