public void GetAllFriendListsAndFriendsTests_Should_CallMethod_GetAllFriendLists() { var userServiceMocked = new Mock <IUserService>(); var groupsServiceMocked = new Mock <IGroupService>(); var friendListServiceMocked = new Mock <IFriendListService>(); var friendList = new FriendsList() { Name = "testGroup", Friends = new List <Friend>() { new Friend() { Name = "testAuthor", Gender = false } } }; friendListServiceMocked.Setup(m => m.GetAll()) .Returns(new List <FriendsList>() { friendList }); var controller = new AdministrationController(groupsServiceMocked.Object, friendListServiceMocked.Object, userServiceMocked.Object); controller.GetAllFriendListsAndFriends(); friendListServiceMocked.Verify(m => m.GetAll(), Times.Once); }