DetectorServiceImpl implements DetectorService { @Override public List<Detector> findByCreatedBy(String user) { List<Detector> detectors = repository.findByMeta_CreatedBy(user); if (detectors == null || detectors.isEmpty()) { throw new RecordNotFoundException("Invalid user: " + user); } return detectors; }  @Override UUID createDetector(Detector detector); @Override Detector findByUuid(String uuid); @Override List<Detector> findByCreatedBy(String user); @Override void toggleDetector(String uuid, Boolean enabled); @Override void trustDetector(String uuid, Boolean trusted); @Override List<Detector> getLastUpdatedDetectors(long interval); @Override List<Detector> getLastUsedDetectors(int noOfDays); @Override List<Detector> getDetectorsToBeTrained(long timestampMs); @Override void updateDetector(String uuid, Detector detector); @Override void updateDetectorLastUsed(String uuid); @Override void updateDetectorTrainingTime(String uuid, long nextRun); @Override void deleteDetector(String uuid);  }
@Test public void testFindByCreatedBy() { val actualDetectors = serviceUnderTest.findByCreatedBy("userName"); assertNotNull(actualDetectors); }
@Test(expected = RecordNotFoundException.class) public void testFindByCreatedBy_invalid_user() { val actualDetectors = serviceUnderTest.findByCreatedBy("invalidUserName"); assertNotNull(actualDetectors); }