# 38. Write unit tests for Linux business logic

meta:
  id: native-business-logic-migration-38
  feature: native-business-logic-migration
  priority: P1
  depends_on: [native-business-logic-migration-35]
  tags: [testing, linux]

objective:
- Write comprehensive unit tests for Linux business logic

deliverables:
- feed-parser-test.vala (already exists as parser-tests.vala)
- feed-fetcher-test.vala (already exists as feed-fetcher-tests.vala)
- database-test.vala (already exists as database-tests.vala)
- repository-test.vala (new)
- view-model-test.vala (new)
- background-sync-test.vala (new)
- search-service-test.vala (new)
- notification-service-test.vala (new)

tests:
- Unit: All test files compile
- Unit: All tests pass
- Coverage: >80% code coverage

acceptance_criteria:
- All business logic covered
- Edge cases tested
- Error cases tested
- Performance tests included
- >80% code coverage

validation:
- Run `meson test -C build`
- Check coverage report

notes:
- Use GLib's g_test framework
- Use g_assert macros
- Mock external dependencies