public void RetrieveForProcessing_ItemInQueue_DequeuesASingleItem()
{
var mocks = new LocatorMocks();
var store = new ItemStore(mocks.MockLocator.Object);
Guid id = Guid.NewGuid();
byte[] expected = new UTF8Encoding().GetBytes("test data");
mocks.MockQueueStore.Setup(q => q.Dequeue()).Returns(new ItemBase() { ResourceId = id });
mocks.MockRawBlobStore.Setup(b => b.Retrieve(id)).Returns(expected);
var actual = store.RetrieveForProcessing();
mocks.MockRawBlobStore.Verify(b => b.Retrieve(id), Times.Once());
}
public void RetrieveForProcessing_NoItemInQueue_DoesNotAttemptToRetrieveDataFroBlobStore()
{
var mocks = new LocatorMocks();
var store = new ItemStore(mocks.MockLocator.Object);
Guid id = Guid.NewGuid();
byte[] expected = new UTF8Encoding().GetBytes("test data");
mocks.MockQueueStore.Setup(q => q.Dequeue()).Returns<ItemBase>(null);
var actual = store.RetrieveForProcessing();
mocks.MockRawBlobStore.Verify(b => b.Retrieve(It.IsAny<Guid>()), Times.Never());
}
public void RetrieveForProcessing_NoItemInQueue_ReturnsNull()
{
var mocks = new LocatorMocks();
var store = new ItemStore(mocks.MockLocator.Object);
Guid id = Guid.NewGuid();
byte[] expected = new UTF8Encoding().GetBytes("test data");
mocks.MockQueueStore.Setup(q => q.Dequeue()).Returns<ItemBase>(null);
var actual = store.RetrieveForProcessing();
Assert.IsNull(actual);
}
public void RetrieveForProcessing_ItemInQueue_ReturnsItemWithRawData()
{
var mocks = new LocatorMocks();
var store = new ItemStore(mocks.MockLocator.Object);
Guid id = Guid.NewGuid();
byte[] expected = new UTF8Encoding().GetBytes("test data");
mocks.MockQueueStore.Setup(q => q.Dequeue()).Returns(new ItemBase() { ResourceId = id });
mocks.MockRawBlobStore.Setup(b => b.Retrieve(id)).Returns(expected);
var actual = store.RetrieveForProcessing();
Assert.AreEqual(expected, actual.File);
}