public void CheckAssignmentToEditDetailsAreEqualLikeModel() { //Arrange NewAssignmentVm assignmentToAdd = new NewAssignmentVm() { Id = 1, Name = "test" }; var config = new MapperConfiguration(c => { c.AddProfile(new MappingProfile()); }); var mapper = config.CreateMapper(); var options = new DbContextOptionsBuilder <Context>() .UseInMemoryDatabase("UsersDirectoryMVC") .Options; using (var context = new Context(options)) { //Act var assignmentService = new AssignmentService(mapper, new AssignmentRepository(context)); assignmentService.AddAssignment(assignmentToAdd); var result = assignmentService.GetAssignmentForEdit(1); //Assert result.Should().NotBeNull(); result.Should().Equals(assignmentToAdd); context.Employers.FirstOrDefaultAsync(e => e.Id == result.Id).Should().NotBeNull(); } }