public void Should_return_subscription_by_consumer_tag() { // Arrange var subs = new CompositeSubscription(); var subscription = new Subscription { ConsumerTag = "ConsumerTag", QueueName = "QueueName", SubscriptionName = "SubscriptionName" }; subs.AddSubscription(subscription); // Action & Assert Assert.AreSame(subscription, subs.GetByConsumerTag("ConsumerTag")); Assert.IsNull(subs.GetByConsumerTag("ConsumerTag2")); }