cuioss/junit-weld-testing
marketplace/bundles/pm-dev-java/skills/junit-weld-testing/SKILL.md
Weld Testing standards for CDI unit testing with @EnableAutoWeld, @AddBeanClasses, and auto-discovery patterns
$ install --global
skillsauthnpx skillsauth add cuioss/plan-marshall junit-weld-testingInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- junit-weld-testing
- description:
- Weld Testing standards for CDI unit testing with @EnableAutoWeld, @AddBeanClasses, and auto-discovery patterns
- user-invocable:
- false
- mode:
- knowledge
JUnit Weld Testing Skill
REFERENCE MODE: This skill provides reference material. Load specific standards on-demand based on current task.
Standards for CDI unit testing using weld-testing. This skill covers auto-weld configuration, bean class management, and CDI test patterns using JUnit 5.
Prerequisites
This skill applies to Java projects using Weld Testing with JUnit 5:
org.jboss.weld:weld-junit5(Weld JUnit 5 extension)org.jboss.weld:weld-junit-parent(parent module)
Maven Dependencies
<dependency>
<groupId>org.jboss.weld</groupId>
<artifactId>weld-junit5</artifactId>
<scope>test</scope>
</dependency>
Workflow
Step 1: Load Weld Testing Standards
Important: Load this standard for any CDI unit testing work with Weld.
Read: standards/weld-testing-autowired.md
This provides rules for:
@EnableAutoWeldannotation and auto-discovery@AddBeanClasses/@AddPackagesfor explicit bean registration@ActivateScopesfor scope management in tests@ExcludeBeanClassesfor swapping implementations with test doubles@EnableWeldwithWeldInitiatorfor manual control- Injection patterns in test classes
- Common pitfalls and troubleshooting
Quick Reference
Annotation Decision Guide
| Scenario | Annotation | Example |
|----------|-----------|---------|
| Simple service test | @EnableAutoWeld | Auto-discovers injected beans |
| Need producers/interceptors | + @AddBeanClasses | Beans not directly injected |
| Many beans from one package | + @AddPackages | Package-level registration |
| Replace with test double | + @ExcludeBeanClasses + @AddBeanClasses | Swap real for mock |
| Scoped beans (Request, Session) | + @ActivateScopes | Scope not active by default |
| Full manual control | @EnableWeld + @WeldSetup | WeldInitiator configuration |
Common Error Quick Fixes
| Error | Cause | Fix |
|-------|-------|-----|
| UnsatisfiedResolutionException | Bean not discovered | Add via @AddBeanClasses |
| ContextNotActiveException | Missing scope activation | Add @ActivateScopes |
| AmbiguousResolutionException | Multiple implementations | Use @ExcludeBeanClasses |
| Test passes alone, fails in suite | Shared static state | Ensure proper scoping |
Templates
CDI test class — starting point for new Weld-based test classes:
Read: templates/cdi-test-class.java.tmpl
Replace ${PACKAGE}, ${CLASS_UNDER_TEST}, ${METHOD_1}, and placeholder comments. Uncomment @AddBeanClasses or @ActivateScopes as needed.
Related Skills
pm-dev-java:java-cdi- CDI patterns (injection, scopes, producers, events)pm-dev-java:junit-core- JUnit 5 core testing patternspm-dev-java:java-quarkus- Quarkus-specific testing with@QuarkusTest
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