public CloudQueueFactoryTest()
{
// Note: the tests here heavily depend on "real" Azure.Storage entities - we do mock the virtual methods,
// but all constructors are "real" code.
// Therefore, a change in next version of Azure.Storage SDK may break our tests (in that case maybe wrap any Azure.Storage entity
// in a proxy or a wrapper class with the public interface and test that)
_cloudQueueClientFactoryMock = Substitute.For <ICloudQueueClientFactory>();
// Mock entire CloudQueueClient - the factory code for it havily depends on MS Azure.Storage entities
// whose logic we do not want to test
// What we do want to test is how many times .GetCloudQueueClient() or .GetQueueReference() has been called
{
_cloudQueueClientMock = Substitute.ForPartsOf <CloudQueueClient>(
new StorageUri(new Uri("https://test.com")),
new Microsoft.Azure.Storage.Auth.StorageCredentials(),
null);
_cloudQueueClientMock.When(c => c.GetQueueReference(Arg.Any <string>())).DoNotCallBase();
_cloudQueueClientMock.GetQueueReference(Arg.Any <string>())
.Returns(x =>
{
CloudQueue queue = Substitute.ForPartsOf <CloudQueue>(new Uri($"http://test.com/{x.Arg<string>()}"));
queue.When(q => q.CreateIfNotExistsAsync()).DoNotCallBase();
queue.CreateIfNotExistsAsync().Returns(Task.FromResult(true));
return(queue);
});
_cloudQueueClientFactoryMock.GetCloudQueueClient().Returns(_ => _cloudQueueClientMock);
}
_cloudQueueFactory = new CloudQueueFactory(_cloudQueueClientFactoryMock);
}
public CloudQueueFactory(ICloudQueueClientFactory cloudQueueClientFactory)
{
_cloudQueueClientLazy = new LazyInitializer <CloudQueueClient>(() =>
{
System.Diagnostics.Trace.WriteLine("LazyInitializer<CloudQueueClient> delegate executed");
return(cloudQueueClientFactory.GetCloudQueueClient());
});
}