public async void WhenTopicIsRemoved_ThenTopicIsCreatedAgain()
{
var settings = TestSettings.TopicSettingsOptions();
var subscriber = new AzureTopicSubscriber(settings, new AzureBusTopicManagement(settings), Substitute.For <ILogger <AzureTopicSubscriber> >());
var publisher = new AzureTopicPublisher(settings, new AzureBusTopicManagement(settings), Substitute.For <ILogger <AzureTopicPublisher> >());
var id = Guid.NewGuid();
var listener = subscriber.Messages <TestMessageForTopic>();
var message = new TestMessageForTopic
{
ExampleId = id
};
var nameSpace = NamespaceUtils.GetNamespace(settings.Value);
var topic = await nameSpace.Topics.GetByNameAsync(message.TopicName);
topic.Should().NotBeNull("Topic should exist at this point");
await nameSpace.Topics.DeleteByNameAsync(message.TopicName);
Thread.Sleep(TimeSpan.FromSeconds(30));
await publisher.SendAsync(message);
await listener
.Where(x => x.ExampleId == id)
.Timeout(TimeSpan.FromSeconds(60))
.FirstAsync();
}
public void CreateQueIfMissing(string queuName, Type messageType)
{
var @namespace = NamespaceUtils.GetNamespace(_settings);
var queue = @namespace.Queues.List().FirstOrDefault(x => x.Name == queuName);
if (queue == null)
{
_settings.AzureQueueBuilder(@namespace.Queues.Define(queuName), messageType);
}
}
public void CreateSubscriptionIfMissing(string topicName, string subscriptionName, Type messageType)
{
var @namespace = NamespaceUtils.GetNamespace(_settings);
CreateTopicIfMissing(topicName, messageType, @namespace);
var topic = @namespace.Topics.List().FirstOrDefault(x => x.Name == topicName);
if (topic == null)
{
throw new InvalidOperationException($"Cannot find topic '{topicName}' from topics '{string.Join(", ", @namespace.Topics.List().Select(x => x.Name))}'");
}
if (!topic.Subscriptions.List().Any(x => x.Name == subscriptionName))
{
_settings.AzureSubscriptionBuilder(topic.Subscriptions.Define(subscriptionName), messageType);
}
}
public void CreateTopicIfMissing(string topicName, Type messageType)
{
var @namespace = NamespaceUtils.GetNamespace(_settings);
CreateTopicIfMissing(topicName, messageType, @namespace);
}