public async void ByName_Not_Exists()
{
var mock = new ServiceMockFacade <IDepartmentRepository>();
mock.RepositoryMock.Setup(x => x.ByName(It.IsAny <string>())).Returns(Task.FromResult <Department>(null));
var service = new DepartmentService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.DepartmentModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLDepartmentMapperMock,
mock.DALMapperMockFactory.DALDepartmentMapperMock,
mock.BOLMapperMockFactory.BOLEmployeeDepartmentHistoryMapperMock,
mock.DALMapperMockFactory.DALEmployeeDepartmentHistoryMapperMock);
ApiDepartmentResponseModel response = await service.ByName(default(string));
response.Should().BeNull();
mock.RepositoryMock.Verify(x => x.ByName(It.IsAny <string>()));
}
