Test/130/unit testing chronology block

[LausDio]

Base branch: dev

GitHub

• Closes [Test] [carry over 2][Admin] Integration and Unit Testing for Chronology block #130

Code reviewers

• @Ammoniy
• @LekhivOleh
• @shribakb1
• @VolodymyrShapoval

Description

This PR adds comprehensive test coverage for the Timeline (Chronology) module, including unit tests for all CRUD handlers and integration tests for authorization/authentication.

Changes

Unit Tests

• ✅ All 10 Timeline handlers (TimelineItem + HistoricalContext)
• ✅ 100% line and branch coverage on business logic
• ✅ Added 8 tests for GetAllHistoricalContextHandler

Integration Tests

• ✅ 43 new authorization tests for JWT authentication and role-based access control
  • 19 TimelineItem authorization tests
  • 24 HistoricalContext authorization tests

Test Coverage

• Total Tests: 353 (147 unit + 206 integration)
• Line Coverage: 100% on BLL handlers
• Branch Coverage: 100% on BLL handlers

Security Testing

• JWT token validation (expired, invalid, malformed)
• Role-based access control (Admin, User, Moderator, etc.)
• Unauthorized (401) and Forbidden (403) scenarios
• Cross-operation authorization workflows

Testing Scenarios Covered

• Success paths and error handling
• Null/empty input validation
• Repository failure scenarios
• Concurrent operations
• Database relationships
• Special characters and edge cases
• Mapper behavior verification

Files Changed

• New: HistoricalContextAuthorizationTests.cs (24 tests)
• New: TimelineItemAuthorizationTests.cs (19 tests)
• New: GetAllHistoricalContextHandlerTests.cs (8 tests)
• Modified: 200+ test files (added global:: namespace prefix)
• Modified: ValidationConstants.cs (added Comment validation constants)
• Modified: Test fixture files (added helper methods)

✅ Checklist

• CI passed
• PR is reviewed manually again (to make sure you have 100% ready code)
• All reviewers agreed to merge the PR
• I've checked new feature as logged in and logged out user if needed
• PR meets all conventions

Notes

• Fixed 1,406+ namespace collision errors across the test suite (I saw there's a separate issue on that, but I needed it to be fixed to run my tests)
  • Added global:: prefix to all Streetcode.* using statements to resolve namespace conflicts
  • Fixed tests in directories where folder names conflicted with root namespace (e.g., MediatR/Streetcode/, MediatR/Text/, etc.)
• Fixed 14 compilation errors in existing tests
  • Added missing CreateStreetcode() method to test fixtures
  • Fixed incorrect SetupSaveChangesAsync method calls
  • Added missing using statements for ErrorMessages
• Fixed 10 failing unit tests
  • Corrected error message assertions to match actual handler messages
  • Fixed mapper mock setup issues in Update handler tests
  • Added defensive null checks to CreateTimelineItemHandler

[sonarqubecloud]

Quality Gate passed

Issues
1117 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud