public async Task AreTwoUsersFriendsAsyncShouldWorkCorrectly()
{
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 service = new FriendService(friendRequestRepository, friendRepository);
var newFriendShip = new Friend
{
SenderId = "1",
ReceiverId = "2",
};
await friendRepository.AddAsync(newFriendShip);
await friendRepository.SaveChangesAsync();
var resultTrue = await service.AreTwoUsersFriendsAsync(newFriendShip.SenderId, newFriendShip.ReceiverId);
var resultFalse = await service.AreTwoUsersFriendsAsync("4", "3");
Assert.True(resultTrue);
Assert.False(resultFalse);
}