public async Task AlredyFriendOrSendFriendRequestAsyncShouldReturnCorrectBool() { var options = new DbContextOptionsBuilder <ApplicationDbContext>() .UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString()).Options; var dbContext = new ApplicationDbContext(options); var friendRepository = new EfDeletableEntityRepository <Friend>(dbContext); var friendRequestRepository = new EfDeletableEntityRepository <FriendRequest>(dbContext); var newFriendShip = new Friend { SenderId = "1", ReceiverId = "2", }; var newFriendShipRequest = new FriendRequest { SenderId = "5", ReceiverId = "6", Status = FriendRequestStatus.Pending, }; await friendRepository.AddAsync(newFriendShip); await friendRepository.SaveChangesAsync(); await friendRequestRepository.AddAsync(newFriendShipRequest); await friendRequestRepository.SaveChangesAsync(); var service = new FriendService(friendRequestRepository, friendRepository); var resultTrueAlreadyFriend = await service.AlredyFriendOrSendFriendRequestAsync("1", "2"); var resultTrueSendFriendToHim = await service.AlredyFriendOrSendFriendRequestAsync("1", "1"); var resultTrueAlredySendFriend = await service.AlredyFriendOrSendFriendRequestAsync("5", "6"); var resultFalse = await service.AlredyFriendOrSendFriendRequestAsync("10", "11"); Assert.True(resultTrueAlreadyFriend); Assert.True(resultTrueSendFriendToHim); Assert.True(resultTrueAlredySendFriend); Assert.False(resultFalse); }