public void GetContentShouldReturnSameMessageThatWasPublished()
{
var sut = new PlanetExpressNewsletter();
var expectedMessage = It.IsAny <string>();
sut.Publish(expectedMessage);
var actualMessage = sut.GetContent();
Assert.Equal(actualMessage, expectedMessage);
}
public void RemoveSubscriberCallsUnsubscribeOnPassedInSubscriberAndRemovesSubscriberFromInternalStoreOfSubscribers()
{
var sut = new PlanetExpressNewsletter();
var mockSubscriber = new Mock <ISubscriber>();
sut.RemoveSubscriber(mockSubscriber.Object);
mockSubscriber.Verify(x => x.Unsubscribe(sut), Times.Once);
Assert.False(sut.Subscribers.Contains(mockSubscriber.Object));
}
public void AddSubscriberShouldCallSubscribeOnPassedInSubscriberAndAddsSubscriberToInternalStoreOfSubscribers()
{
var sut = new PlanetExpressNewsletter();
var mockSubscriber = new Mock <ISubscriber>();
sut.AddSubscriber(mockSubscriber.Object);
mockSubscriber.Verify(x => x.Subscribe(sut), Times.Once);
Assert.True(sut.Subscribers.Contains(mockSubscriber.Object));
}
public void NotifySubscribersCallsRecieveContentOnEachSubscriberOfTheSubscription()
{
var sut = new PlanetExpressNewsletter();
var firstMockSubscriber = new Mock <ISubscriber>();
var secondMockSubscriber = new Mock <ISubscriber>();
sut.AddSubscriber(firstMockSubscriber.Object);
sut.AddSubscriber(secondMockSubscriber.Object);
sut.NotifySubscribers();
firstMockSubscriber.Verify(x => x.ReceiveContent(sut), Times.Once);
secondMockSubscriber.Verify(x => x.ReceiveContent(sut), Times.Once);
}
public void PublishShouldSetMessageValueAndNotifyAllSubscribersAddedToSubscribableContent()
{
var sut = new PlanetExpressNewsletter();
var firstMockSubscriber = new Mock <ISubscriber>();
var secondMockSubscriber = new Mock <ISubscriber>();
var expectedMessage = It.IsAny <string>();
sut.AddSubscriber(firstMockSubscriber.Object);
sut.AddSubscriber(secondMockSubscriber.Object);
sut.Publish(expectedMessage);
firstMockSubscriber.Verify(x => x.ReceiveContent(sut), Times.Once);
secondMockSubscriber.Verify(x => x.ReceiveContent(sut), Times.Once);
}