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@devin-ai-integration devin-ai-integration bot commented Aug 28, 2025

Add comprehensive unit tests for PatronProfileController

Summary

Adds comprehensive @WebMvcTest coverage for PatronProfileController, which previously had zero test coverage despite being a critical 189-line Spring Boot REST controller. The test suite includes 17 test scenarios covering:

  • All HTTP endpoints: GET operations for patron profiles, holds/checkouts collections and individual resources
  • Command endpoints: POST operations for placing holds, DELETE operations for canceling holds
  • Error scenarios: 404 for missing resources, 500 for service failures, IllegalArgumentException handling
  • HATEOAS response validation: Verification of hypermedia links and affordances in JSON responses
  • JSON request/response mapping: Validation of request deserialization and command construction verification
  • Service layer mocking: PatronProfiles, PlacingOnHold, CancelingHold dependencies using @MockBean

Also updates README.md with documentation of the new web layer testing approach, including code examples and integration with the project's BDD testing philosophy.

Review & Testing Checklist for Human

⚠️ HIGH RISK: These tests were not validated locally due to environment compilation issues.

  • Verify tests compile and run successfully - Run ./mvnw test -Dtest=PatronProfileControllerTest to ensure no compilation or runtime errors
  • Check HATEOAS JSON response structure - The tests assume collections serialize as _embedded.holdList/_embedded.checkoutList - verify this matches actual Spring HATEOAS output
  • Test @WebMvcTest integration with Spock - Ensure the combination of Spring's @WebMvcTest with Spock Specification and mixed @MockBean/Spock stubbing (>>) works correctly
  • Validate error scenarios manually - Test that DELETE /profiles/{patronId}/holds/{bookId} actually returns 404 when hold doesn't exist
  • End-to-end manual testing - Place a hold via POST and verify the response structure matches test expectations

Notes

Environment Issue: Maven compilation failed locally due to Java module system errors with Lombok annotation processing. The tests were written based on code analysis and existing patterns but couldn't be executed locally.

Testing Framework Mix: This PR combines @WebMvcTest (typically JUnit-oriented) with Spock/Groovy, and uses @MockBean (Mockito) with Spock stubbing syntax (>>). This combination may need validation to ensure compatibility.

No CI Validation: No automated tests ran on this PR, so compilation and runtime behavior are unverified.

Link to Devin run: https://app.devin.ai/sessions/8a17b2bdcbee467ba18e802293dce848
Requested by: @callummiles

- Created @WebMvcTest test suite with 17 test scenarios
- Tests all HTTP endpoints: GET profile, holds, checkouts (collections and individual)
- Tests command endpoints: POST place hold, DELETE cancel hold
- Covers error scenarios: 404 for missing resources, 500 for service failures
- Mocks all service dependencies: PatronProfiles, PlacingOnHold, CancelingHold
- Tests HATEOAS response mapping with links and affordances
- Tests JSON request/response mapping and command construction
- Follows existing Spock/Groovy testing patterns from codebase
- Provides comprehensive coverage for 189-line controller with zero previous tests

Co-Authored-By: callum.miles@windsurf.com <cwmiles18@gmail.com>
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@callummiles
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don't forget to update the readme with your changes

…ntation

- Added Web Layer Testing subsection to Tests section
- Documents comprehensive @WebMvcTest coverage with 17 test scenarios
- Explains testing approach for REST API endpoints, error handling, HATEOAS validation
- Includes code example showing Spock/Groovy testing patterns
- Maintains consistency with project's BDD testing philosophy

Co-Authored-By: callum.miles@windsurf.com <cwmiles18@gmail.com>
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2 participants