public async void GetLikesByPostId_LikesCount_ReturnsZero(int nonExistantPostId) { // Arrange IList <Like> likes = new List <Like> { GenerateFake.Like(), GenerateFake.Like(), GenerateFake.Like() }; _mockContext.Setup(x => x.Likes).ReturnsDbSet(likes); // Act var like = await _mockRepo.GetLikesByPostId(nonExistantPostId); // Assert Assert.Equal(0, like.Count()); }