public void Remove_WhenCalledForSameSubscriberTwice_UnsubscribesOnce()
{
// Arrange
var cache = new SubscriptionsCache();
cache.Add <Topic>(subscriber);
// Act
cache.Remove <Topic>(subscriber);
cache.Remove <Topic>(subscriber);
// Assert
mockSubscriber.Verify(m => m.Unsubscribe <Topic>(), Times.Once);
}
public void Remove_WithNoSubscriptionAdded_DoesNothing()
{
// Arrange
var cache = new SubscriptionsCache();
// Act
TestDelegate remove = () => cache.Remove <Topic>(subscriber);
// Assert
Assert.That(remove, Throws.Nothing);
}
public void Remove_WithSubscriptionAdded_CallsSubscriberUnsubscribe()
{
// Arrange
var cache = new SubscriptionsCache();
cache.Add <Topic>(subscriber);
// Act
cache.Remove <Topic>(subscriber);
// Assert
mockSubscriber.Verify(m => m.Unsubscribe <Topic>(), Times.Once);
}
public void Remove_WithTwoSubscriptionsAdded_CallsCorrectUnsubscribe_2()
{
// Arrange
var cache = new SubscriptionsCache();
cache.Add <Topic>(subscriber);
cache.Add <Topic>(subscriber2);
// Act
cache.Remove <Topic>(subscriber2);
// Assert
mockSubscriber2.Verify(m => m.Unsubscribe <Topic>(), Times.Once);
}