public void QueueItem_AllItemsShouldGetProcess_WhenItemsGetFasterAddedThanProcessed()
{
/** ---- Arrange ---- */
Mock<IDeserializer> mockDeserializer = new Mock<IDeserializer>();
mockDeserializer.Setup(f => f.Deserialize(It.IsAny<string>()))
.Callback(() => Thread.Sleep(50));
var systemUnderTest = new DefaultQueueProcessor<string>(mockDeserializer.Object.Deserialize);
var testElements = 100;
/** ---- Act ---- */
for (var i = 0; i < testElements; i++)
{
systemUnderTest.QueueItem(i.ToString());
}
systemUnderTest.BlockUntilNothingLeftInQueue();
/** ---- Assert ---- */
mockDeserializer.Verify(deserializer => deserializer.Deserialize(It.IsAny<string>()),Times.Exactly(testElements));
systemUnderTest.Dispose();
}
public void ProcessAsync_ExceptionWhileProcessingItem_ThrowException()
{
var queue = new SingleItemQueue(new StringItem("An item"));
var handler = new ThrowExceptionPayloadHandler(new Exception("An exception"));
var queueProcessor = new DefaultQueueProcessor <string>(queue, handler);
Assert.ThrowsAsync <Exception>(() => queueProcessor.ProcessAsync());
}
public async Task ProcessAsync_AnItemInQueue_ReturnsTrue()
{
var queue = new SingleItemQueue(new StringItem("An item"));
var handler = new FakePayloadHandler();
var queueProcessor = new DefaultQueueProcessor <string>(queue, handler);
var processed = await queueProcessor.ProcessAsync();
Assert.IsTrue(processed);
}
public async Task ProcessAsync_EmptyQueue_ReturnsFalse()
{
var queue = new EmptyQueue();
var handler = new FakePayloadHandler();
var queueProcessor = new DefaultQueueProcessor <string>(queue, handler);
var processed = await queueProcessor.ProcessAsync();
Assert.IsFalse(processed);
}
public void QueueItem_ThrowsNoException_WhenAlreadyDisposed()
{
/** ---- Arrange ---- */
Mock<IDeserializer> mockDeserializer = new Mock<IDeserializer>();
var systemUnderTest = new DefaultQueueProcessor<string>(mockDeserializer.Object.Deserialize);
/** ---- Act ---- */
systemUnderTest.Dispose();
/** ---- Assert ---- */
systemUnderTest.QueueItem("This should not throw an exception.");
}
public async Task ProcessAsync_SingleItemInQueue_ProcessesAndEmptiesQueue()
{
using (var scope = new IsolationScope(TestFixtureContext.Provider))
{
var connection = scope.Provider.GetRequiredService <IDbConnection>();
await connection.ExecuteSqlAsync("INSERT INTO Kiukie.Queue(Payload) VALUES(@Payload)", new StringItem("An item"));
var queue = new DefaultQueue <string>(connection);
var handler = new FakePayloadHandler();
var queueProcessor = new DefaultQueueProcessor <string>(queue, handler);
var processed = await queueProcessor.ProcessAsync();
Assert.IsTrue(processed);
processed = await queueProcessor.ProcessAsync();
Assert.IsFalse(processed);
}
}
