public async Task Subscribe_AfterUnsubscribing_CreatesNewReader(
string topic,
IDisposableBlockingRawMessageReader <IPollingOptions> reader,
[Frozen] IPollingOptions options,
[Frozen] IRawMessageHandler rawMessageHandler,
[Frozen] IBlockingRawMessageReaderFactory <IPollingOptions> factory,
BlockingReaderRawMessageHandlerSubscriber <IPollingOptions> sut)
{
// Arrange
factory.Create(topic, options).Returns(reader);
var disposeEvent = new ManualResetEventSlim();
reader.When(r => r.Dispose()).Do(r => disposeEvent.Set());
// Act
await sut.Subscribe(topic, rawMessageHandler, None);
await sut.Unsubscribe(topic, rawMessageHandler, None);
Assert.True(disposeEvent.Wait(1000)); // wait task complete
await sut.Subscribe(topic, rawMessageHandler, None);
// Assert
factory.Received(2).Create(topic, options);
}
public async Task Subscribe_MultipleCallsSameRawHandler_CreatesSingleReader(
string topic,
IRawMessageHandler rawMessageHandler,
[Frozen] IPollingOptions options,
[Frozen] IBlockingRawMessageReaderFactory <IPollingOptions> factory,
BlockingReaderRawMessageHandlerSubscriber <IPollingOptions> sut)
{
var tasks = Enumerable.Range(1, 5).Select(_ => sut.Subscribe(topic, rawMessageHandler, None));
await Task.WhenAll(tasks);
factory.Received(1).Create(topic, options);
}
public async Task Subscribe_MultipleCallsDifferentRawHandlers_CreatesSingleReader(
string topic,
IRawMessageHandler firstRawMessageHandler,
IRawMessageHandler secondRawMessageHandler,
[Frozen] IPollingOptions options,
[Frozen] IBlockingRawMessageReaderFactory <IPollingOptions> factory,
BlockingReaderRawMessageHandlerSubscriber <IPollingOptions> sut)
{
await Task.WhenAll(Subscrioptions());
factory.Received(2).Create(topic, options);
IEnumerable <Task> Subscrioptions()
{
for (int i = 0; i < 5; i++)
{
yield return(sut.Subscribe(topic, firstRawMessageHandler, None));
yield return(sut.Subscribe(topic, secondRawMessageHandler, None));
}
}
}