public void GetSessionsDay_ReturnsAllSessionDaysFromDB() { //ARRANGE MockSessionRepository.Setup(x => x.GetAll()).Returns(SessionList); MockUofW.Setup(x => x.SessionRepository).Returns(MockSessionRepository.Object); var ass = new RSAssistantRole(MockUofW.Object); //ACT var sessions = ass.GetSessionsDay(); //ASSERT Assert.AreEqual(SessionList().SelectMany(x => x.SessionDays).Count(), sessions.Count); }