public void SubscribeAlreadySubscribed()
{
Subscription subscription = CreateSubscriptionData("*****@*****.**");
var mockDbSet = GetMockDbSet(subscription);
var mockContext = new Mock <NewsletterContext>();
mockContext.Setup(m => m.Subscriptions).Returns(mockDbSet.Object);
SubscriptionRepository repository = new SubscriptionRepository(mockContext.Object);
NewsletterService newsletterService = new NewsletterService(repository);
SubscriptionRequest request = new SubscriptionRequest();
request.Subscription = subscription;
SubscriptionResponse response = newsletterService.Subscribe(request);
mockDbSet.Verify(m => m.Add(It.IsAny <Subscription>()), Times.Never());
mockContext.Verify(m => m.SaveChanges(), Times.Never());
Assert.AreEqual(response.Status, StatusCode.AlreadySubscribed);
Assert.IsNotNull(response.Subscription);
Assert.AreEqual(response.Subscription.EmailAddress, request.Subscription.EmailAddress);
}
private void Submit_Click(object sender, EventArgs e)
{
Response.Text = NewsletterService.Subscribe(Email.Text);
}