# 37. Write unit tests for Android business logic

meta:
  id: native-business-logic-migration-37
  feature: native-business-logic-migration
  priority: P1
  depends_on: [native-business-logic-migration-34]
  tags: [testing, android]

objective:
- Write comprehensive unit tests for Android business logic

deliverables:
- FeedParserTest.kt
- FeedFetcherTest.kt
- DatabaseTest.kt
- RepositoryTest.kt
- ViewModelTest.kt
- BackgroundSyncTest.kt
- SearchServiceTest.kt
- NotificationServiceTest.kt

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 `./gradlew test`
- Check coverage report with Jacoco

notes:
- Use JUnit 5
- Use MockK for mocking
- Use Coroutines Test for async