public void PhoneControllerTest() { var phoneController = new PhoneController(new MockDatabase()); var result = phoneController.PhoneStatisticsToViewModel("01/01/2019", "01/26/2019"); Assert.AreEqual(46, result.CountOfCall); Assert.AreEqual(14, result.CountOfSms); Assert.AreEqual(22222, result.CallEvents.Max(e => e.Duration)); }