public async void ByName_Not_Exists()
{
var mock = new ServiceMockFacade <ICurrencyRepository>();
mock.RepositoryMock.Setup(x => x.ByName(It.IsAny <string>())).Returns(Task.FromResult <Currency>(null));
var service = new CurrencyService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.CurrencyModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLCurrencyMapperMock,
mock.DALMapperMockFactory.DALCurrencyMapperMock,
mock.BOLMapperMockFactory.BOLCurrencyRateMapperMock,
mock.DALMapperMockFactory.DALCurrencyRateMapperMock);
ApiCurrencyResponseModel response = await service.ByName(default(string));
response.Should().BeNull();
mock.RepositoryMock.Verify(x => x.ByName(It.IsAny <string>()));
}
