public async void ByOwnerUserId_Not_Exists()
{
var mock = new ServiceMockFacade <IPostRepository>();
mock.RepositoryMock.Setup(x => x.ByOwnerUserId(It.IsAny <int?>(), It.IsAny <int>(), It.IsAny <int>())).Returns(Task.FromResult <List <Post> >(new List <Post>()));
var service = new PostService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.PostModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLPostMapperMock,
mock.DALMapperMockFactory.DALPostMapperMock);
List <ApiPostResponseModel> response = await service.ByOwnerUserId(default(int?));
response.Should().BeEmpty();
mock.RepositoryMock.Verify(x => x.ByOwnerUserId(It.IsAny <int?>(), It.IsAny <int>(), It.IsAny <int>()));
}