public void StoreSubscription(SubscriptionModel model)
{
if (GetUser(model.PubSubHubUser) == null)
{
throw new InvalidOperationException("User does not exist.");
}
int maxSubsForUser = GetMaxSubscriptionsForUser(model.PubSubHubUser);
int userSubCount = GetSubscriptionCountForUser(model.PubSubHubUser);
if (userSubCount >= maxSubsForUser)
{
throw new InvalidOperationException("Storing this subscription would exceed the users subscription limit");
}
lock (_dbAccessLock)
{
Subscription newSubscription = _entities.CreateObject<Subscription>();
newSubscription.Callback = model.Callback;
newSubscription.Digest = model.Digest;
newSubscription.Mode = model.Mode;
newSubscription.Verify = model.Verify;
newSubscription.Topic = model.Topic;
newSubscription.LastUpdated = DateTime.Now;
newSubscription.PubSubHubUser = model.PubSubHubUser;
_loggingService.Info("Saving model to the database " + model);
_entities.AddToSubscriptionsSet(newSubscription);
_entities.SaveChanges();
model.Id = newSubscription.Id;
}
}
private SubscriptionServiceResult CallSubscriber(IHubConfiguration configuration, SubscriptionModel model)
{
SubscriptionServiceResult result = new SubscriptionServiceResult()
{
Type = SubscriptionResponseResultType.Success
};
var request = CreateRequest(configuration, model);
try
{
var response = (HttpWebResponse)request.GetResponse();
_loggingService.Info("Response received: " + response.StatusCode);
if (response.StatusCode != HttpStatusCode.NoContent)
{
result.Type = SubscriptionResponseResultType.Error;
result.ErrorDescription = "The pubsubhub returned " + response.StatusDescription;
}
else
{
using (Stream receiveStream = response.GetResponseStream())
{
using (StreamReader readStream = new StreamReader(receiveStream, Encoding.UTF8))
{
string hubResponse = readStream.ReadToEnd();
_loggingService.Info("Response text received: " + hubResponse);
}
}
}
}
catch (WebException we)
{
if (((HttpWebResponse)we.Response).StatusCode == HttpStatusCode.Unauthorized)
{
result.Type = SubscriptionResponseResultType.NotAuthorised;
result.ErrorDescription = "The credentials provided were not accepted by the subscription hub";
}
else if ((int)((HttpWebResponse)we.Response).StatusCode == 422)
{
result.Type = SubscriptionResponseResultType.NotFound;
result.ErrorDescription = model.Mode + " error. The hub did not believe the subscription to exist or the sync callback failed.";
}
else
{
string msg = model.Mode + " error. " + we.ToString();
_loggingService.Error(msg);
result.Type = SubscriptionResponseResultType.Error;
result.ErrorDescription = msg;
}
}
return result;
}
public SubscriptionServiceResult UnSubscribe(IHubConfiguration configuration, SubscriptionModel model)
{
return CallSubscriber(configuration, model);
}
private SubscriptionModel CreateSubscriptionModelFromSubscription(Subscription sub)
{
var model = new SubscriptionModel()
{
Id = sub.Id,
Callback = sub.Callback,
Mode = sub.Mode,
Digest = sub.Digest,
Topic = sub.Topic,
Verify = sub.Verify,
PendingDeletion = sub.PendingDeletion,
Verified = sub.Verified,
LastUpdated = sub.LastUpdated,
PubSubHubUser = sub.PubSubHubUser
};
return model;
}
public void SaveChanges(SubscriptionModel model)
{
lock (_dbAccessLock)
{
Subscription sub = _entities.SubscriptionsSet.First(m => m.Id == model.Id);
sub.Callback = model.Callback;
sub.Digest = model.Digest;
sub.LastUpdated = model.LastUpdated;
sub.Mode = model.Mode;
sub.PendingDeletion = model.PendingDeletion;
sub.Topic = model.Topic;
sub.Verified = model.Verified;
sub.Verify = model.Verify;
sub.PubSubHubUser = model.PubSubHubUser;
_entities.SaveChanges();
}
}
public void Login_attempts_a_Subscribe_and_NotAuthorisedResponse_leads_to_ErrorDescription_being_set_Test()
{
ActionResult actual = null;
SubscriptionModel model = new SubscriptionModel();
UserModel userModel = new UserModel()
{
Username = "******",
Password = "******"
};
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Stub(x => x.GetUser(userModel.Username))
.Return(userModel);
_subscriptionService.Expect(x => x.Subscribe(
Arg<IHubConfiguration>.Matches(
config => config.HubUsername == userModel.Username &&
config.HubPassword == userModel.Password),
Arg<SubscriptionModel>.Is.Anything))
.Return(new SubscriptionServiceResult() { Type = SubscriptionResponseResultType.NotAuthorised });
}).Verify(delegate
{
actual = _controller.Login(userModel);
});
Assert.IsNotNull(actual);
Assert.IsNull(_controller.ViewData["ErrorDescription"]);
}
public void Login_checks_user_has_been_added_to_the_database_and_Error_is_set_when_user_does_not_exist_Test()
{
ActionResult actual = null;
SubscriptionModel model = new SubscriptionModel();
UserModel userModel = new UserModel()
{
Username = "******",
Password = "******"
};
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetUser(userModel.Username))
.Return(null);
}).Verify(delegate
{
actual = _controller.Login(userModel);
});
Assert.IsNotNull(_controller.ViewData.ModelState["_FORM"]);
}
public void Create_sets_ViewData_ErrorDescription_when_result_has_Error_type_test()
{
SubscriptionModel model = new SubscriptionModel();
ActionResult actual = null;
string errorDescription = "an error";
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Stub(x => x.GetMaxSubscriptionsForUser(_controller.HubConfiguration.HubUsername)).Return(10);
_subscriptionPersistenceService.Stub(x => x.GetSubscriptionCountForUser(_controller.HubConfiguration.HubUsername)).Return(1);
_subscriptionPersistenceService.Expect(x => x.StoreSubscription(model));
_subscriptionService.Expect(x => x.Subscribe(_controller.HubConfiguration, model))
.Return(new SubscriptionServiceResult()
{
Type = SubscriptionResponseResultType.Error,
ErrorDescription = errorDescription
});
}).Verify(delegate
{
actual = _controller.Create(model);
});
Assert.IsNotNull(actual);
Assert.AreEqual(errorDescription, (string)(_controller.ViewData["ErrorDescription"]));
}
public void HubUpdate_for_feed_unsubscribe_Test()
{
ActionResult actual = null;
int detailsId = 1;
string updateContents = "some document contents";
string hubChallenge = new Guid().ToString();
SetupResult.For(_request.InputStream).Return(new MemoryStream(new UTF8Encoding().GetBytes(updateContents)));
SetupResult.For(_request["hub.mode"]).Return("unsubscribe");
SetupResult.For(_request["hub.challenge"]).Return(hubChallenge);
SubscriptionModel detailsSub = new SubscriptionModel()
{
Verified = true
};
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionCountById(detailsId)).Return(1);
_subscriptionPersistenceService.Expect(x => x.DeleteSubscriptionById(detailsId));
}).Verify(delegate
{
actual = _controller.HubUpdate(detailsId);
});
Assert.IsNotNull(actual);
Assert.AreEqual(hubChallenge, _controller.ViewData["hub.challenge"]);
Assert.AreEqual((int)HttpStatusCode.OK, _response.StatusCode);
}
public void HubUpdate_for_feed_update_NotFound_response_Test()
{
ActionResult actual = null;
int detailsId = 1;
SubscriptionModel detailsSub = new SubscriptionModel()
{
Verified = true
};
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionCountById(detailsId)).Return(0);
}).Verify(delegate
{
actual = _controller.HubUpdate(detailsId);
});
Assert.IsNotNull(actual);
Assert.AreEqual((int)HttpStatusCode.NotFound, _response.StatusCode);
}
public void HubUpdate_for_feed_update_Test()
{
ActionResult actual = null;
int detailsId = 1;
string updateContents = "some document contents";
SetupResult.For(_request.InputStream).Return(new MemoryStream(new UTF8Encoding().GetBytes(updateContents)));
SubscriptionModel model = new SubscriptionModel()
{
Verified = true,
PubSubHubUser = "******"
};
UserModel userModel = new UserModel();
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionById(detailsId)).Return(model);
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionCountById(detailsId)).Return(1);
_subscriptionPersistenceService.Expect(x => x.GetUser(model.PubSubHubUser)).Return(userModel);
_subscriptionListener.Expect(x => x.SubscriptionUpdateReceived(userModel, updateContents));
_subscriptionPersistenceService.Expect(x => x.SaveChanges(model));
}).Verify(delegate
{
actual = _controller.HubUpdate(detailsId);
});
Assert.IsNotNull(actual);
Assert.AreEqual((int)HttpStatusCode.OK, _response.StatusCode);
}
public void HubUpdate_for_unverified_subscription_Test()
{
ActionResult actual = null;
int detailsId = 1;
SubscriptionModel model = new SubscriptionModel()
{
Verified = false
};
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionById(detailsId)).Return(model);
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionCountById(detailsId)).Return(1);
_subscriptionPersistenceService.Expect(x => x.SaveChanges(model));
}).Verify(delegate
{
actual = _controller.HubUpdate(detailsId);
});
Assert.IsNotNull(actual);
Assert.IsTrue(model.Verified);
Assert.AreEqual((int)HttpStatusCode.OK, _response.StatusCode);
}
public void Delete_subscription_NotFound_in_subscription_service_sets_ErrorDescription()
{
ActionResult actual = null;
int deleteId = 1;
SubscriptionModel model = new SubscriptionModel();
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionById(deleteId)).Return(model);
_subscriptionPersistenceService.Expect(x => x.SaveChanges(model));
_subscriptionService.Expect(x => x.UnSubscribe(_controller.HubConfiguration, model))
.Return(new SubscriptionServiceResult() { Type = SubscriptionResponseResultType.NotFound });
_subscriptionPersistenceService.Expect(x => x.DeleteSubscriptionById(deleteId));
}).Verify(delegate
{
actual = _controller.Delete(deleteId);
});
Assert.IsNotNull(actual);
Assert.IsNotNull(_controller.ViewData["ErrorDescription"]);
}
public void Delete_stores_subscription_and_makes_subscription_request_to_subscription_service()
{
ActionResult actual = null;
int deleteId = 1;
SubscriptionModel model = new SubscriptionModel();
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Stub(x => x.GetMaxSubscriptionsForUser(_controller.HubConfiguration.HubUsername)).Return(10);
_subscriptionPersistenceService.Stub(x => x.GetSubscriptionCountForUser(_controller.HubConfiguration.HubUsername)).Return(1);
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionById(deleteId)).Return(model);
_subscriptionPersistenceService.Expect(x => x.SaveChanges(model));
_subscriptionService.Expect(x => x.UnSubscribe(_controller.HubConfiguration, model))
.Return(new SubscriptionServiceResult() { Type = SubscriptionResponseResultType.Success });
}).Verify(delegate
{
actual = _controller.Delete(deleteId);
});
Assert.IsNotNull(actual);
}
public void HubUpdate_for_feed_NotFound_Test()
{
SubscriptionModel model = new SubscriptionModel();
ActionResult actual = null;
int detailsId = 1;
string hubChallenge = new Guid().ToString();
SetupResult.For(_request["hub.mode"]).Return("unsubscribe");
SetupResult.For(_request["hub.challenge"]).Return(hubChallenge);
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionCountById(detailsId)).Return(0);
}).Verify(delegate
{
actual = _controller.HubUpdate(detailsId);
});
Assert.IsNotNull(actual);
Assert.AreEqual(hubChallenge, _controller.ViewData["hub.challenge"]);
Assert.AreEqual((int)HttpStatusCode.NotFound, _response.StatusCode);
}
private HttpWebRequest CreateRequest(IHubConfiguration configuration, SubscriptionModel model)
{
UriBuilder builder = new UriBuilder(configuration.HubRoot);
string query = "hub.mode=" + model.Mode + "&";
query += "hub.verify=" + model.Verify + "&";
query += "hub.callback=" + model.Callback + "/" + model.Id + "&";
query += "hub.topic=" + model.Topic;
builder.Query = query;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(builder.Uri);
byte[] authBytes = Encoding.UTF8.GetBytes((configuration.HubUsername + ":" + configuration.HubPassword).ToCharArray());
request.Headers["Authorization"] = "Basic " + Convert.ToBase64String(authBytes);
request.Method = "POST";
request.PreAuthenticate = true;
_loggingService.Info("Making request to hub for subscription: " + request.RequestUri.ToString());
return request;
}
public void Create_sets_error_if_MaxSubscriptions_has_been_reached_test()
{
SubscriptionModel model = new SubscriptionModel();
ActionResult actual = null;
With.Mocks(_mocks).Expecting(delegate
{
_subscriptionPersistenceService.Expect(x => x.GetMaxSubscriptionsForUser(_controller.HubConfiguration.HubUsername)).Return(10);
_subscriptionPersistenceService.Expect(x => x.GetSubscriptionCountForUser(_controller.HubConfiguration.HubUsername)).Return(10);
}).Verify(delegate
{
actual = _controller.Create(model);
});
Assert.IsNotNull(actual);
Assert.IsNotNull(_controller.ViewData["ErrorDescription"]);
}
