//[Koan(Order = 3)]
public void YouCanListenToMultipleStreamsOverASingleConnection()
{
var ukNewsListener = _streamingClient.BuildNewsHeadlinesListener("UK");
var gbpusdPriceListener = _streamingClient.BuildPricesListener(154297);
//Build as many listeners as you want
var ukNewsHeadlines = new List <NewsDTO>();
ukNewsListener.MessageReceived += (sender, message) => ukNewsHeadlines.Add(message.Data);
var gbpusdPrices = new List <PriceDTO>();
gbpusdPriceListener.MessageReceived += (sender, message) => gbpusdPrices.Add(message.Data);
//Wait whilst some data is connected
new AutoResetEvent(false).WaitOne(20000);
//Remember to tear them down when you are done
_streamingClient.TearDownListener(ukNewsListener);
_streamingClient.TearDownListener(gbpusdPriceListener);
KoanAssert.That(ukNewsHeadlines.Count, Is.GreaterThan(8), "On the mock news headlines stream we should get 1 headline per second");
KoanAssert.That(gbpusdPrices.Count, Is.GreaterThanOrEqualTo(1), "GBP/USD Prices should come through fairly regularly");
}
public void ExceptionsOnAsyncMethodsNeedToBeManagedCarefully()
{
const int maxHeadlines = 500;
var gate = new ManualResetEvent(false);
ListNewsHeadlinesResponseDTO listNewsHeadlinesResponseDto = null;
_rpcClient.News.BeginListNewsHeadlinesWithSource(
source: "dj",
category: "UK", maxResults: maxHeadlines + 1,
callback: (response) =>
{
try
{
listNewsHeadlinesResponseDto = _rpcClient.News.EndListNewsHeadlinesWithSource(response);
}
catch (ReliableHttpException ex)
{
Console.WriteLine("ResponseTest: {0}", ex.ResponseText);
KoanAssert.That(ex.Message, Is.StringContaining("You cannot request more than 500 news headlines"), "The error will talk about 'You cannot request more than 500 news headlines'");
}
gate.Set();
},
state: null);
gate.WaitOne(TimeSpan.FromSeconds(60)); //Never wait indefinately
}
//[Koan(Order = 2)]
public void YouListenToAStreamsOverAConnection()
{
//Beginning with a connected streamingClient, you create a listener expected a specific message type on a certain channel/topic
const string topic = "UK"; //The mock news headlines stream publishes one "story" per second.
var ukNewsListener = _streamingClient.BuildNewsHeadlinesListener(topic);
var ukNewsHeadlines = new List <NewsDTO>();
ukNewsListener.MessageReceived += (sender, message) => /* The MessageReceived event is raised every time a new message arrives */
{
ukNewsHeadlines.Add(message.Data); //Its data property contains a typed DTO
};
//You call start to begin listening
//Wait whilst some data is connected
new AutoResetEvent(false).WaitOne(20000);
//And tear down to finish
_streamingClient.TearDownListener(ukNewsListener);
KoanAssert.That(ukNewsHeadlines.Count, Is.GreaterThan(3), "On the mock news headlines stream we should get 1 headline per second");
}
public void AskingForAnInvalidStoryIdWillGetYouNullStoryDetails()
{
const int invalidStoryId = Int32.MaxValue;
var newsStory = _rpcClient.News.GetNewsDetail("dj", storyId: invalidStoryId.ToString());
KoanAssert.That(newsStory.NewsDetail, Is.EqualTo(null), "There are no details for an invalid story Id");
}
public void UsingTheStoryIdYouCanFetchTheStoryDetails()
{
var newsStory = _rpcClient.News.GetNewsDetail("dj", _ukHeadlines.Headlines[0].StoryId.ToString());
KoanAssert.That(newsStory.NewsDetail.Story, Is.Not.Null.Or.Empty, "You now have the full body of the news story");
//KoanAssert.That(newsStory.NewsDetail.Story, Is.StringContaining("<p>"), "which contains simple HTML");
}
public void ButGenerallyYouWillNeedToChangeTheCodeToMakeTheKoanPass()
{
//Fix this sum so that the Koan assertion is correct
const string answer = "42";
KoanAssert.That(answer, Is.EqualTo(FILL_ME_IN), "the assertion should be true");
}
public void UsingNewsRequiresAValidSession()
{
_rpcClient = new Rpc.Client(Settings.RpcUri, Settings.StreamingUri, AppKey);
_rpcClient.LogIn(USERNAME, PASSWORD);
KoanAssert.That(_rpcClient.Session, Is.Not.Null.Or.Empty, "after logging in, you should have a valid session");
}
// DAVID: we have a serious issue regarding subsequent exceptions (i am working on it)- as it is you get one exception, pick one.
// I think the 'be diligent catching async errors' is more important.
public void AskingForTooManyHeadlinesIsConsideredABadRequest()
{
try
{
const int maxHeadlines = 500;
_ukHeadlines = _rpcClient.News.ListNewsHeadlinesWithSource("dj", category: "UK", maxResults: maxHeadlines + 1);
}
catch (Exception ex)
{
KoanAssert.That(ex.Message, Is.StringContaining("You cannot request more than 500 news headlines"), "The error will talk about 'You cannot request more than 500 news headlines'");
}
}
public void YouCanFetchTheLatestNewsHeadlines()
{
const int numberOfHeadlines = 25;
_ukHeadlines = _rpcClient.News.ListNewsHeadlinesWithSource("dj", category: "UK", maxResults: numberOfHeadlines);
_ausHeadlines = _rpcClient.News.ListNewsHeadlinesWithSource("dj", category: "AUS", maxResults: numberOfHeadlines);
KoanAssert.That(_ukHeadlines.Headlines.Length, Is.EqualTo(25), "You should get the number of headlines requested");
//Each headline contains a StoryId, a Headline and a PublishDate
KoanAssert.That(_ukHeadlines.Headlines[0].StoryId, Is.GreaterThan(0).And.LessThan(int.MaxValue), "StoryId is a positive integer");
// sky: not sure about this one.. requires user to guess or get the error and then come back. is this intended.
KoanAssert.That(_ukHeadlines.Headlines[0].Headline, Is.Not.Null.Or.Empty, "Headline is a short string");
KoanAssert.That(_ukHeadlines.Headlines[0].PublishDate, Is.GreaterThan(new DateTime(2010, 12, 8)), "PublishDate is in UTC");
}
public void EveryRequestCanBeMadeAsyncronouslyToPreventHangingYourUIThread()
{
var gate = new ManualResetEvent(false);
GetNewsDetailResponseDTO newsDetailResponseDto = null;
_rpcClient.News.BeginGetNewsDetail(
"dj", storyId: _ukHeadlines.Headlines[0].StoryId.ToString(),
callback: (response) =>
{
newsDetailResponseDto = _rpcClient.News.EndGetNewsDetail(response);
gate.Set();
},
state: null);
//DoStuffInCurrentThreadyWhilstRequestHappensInBackground();
gate.WaitOne(TimeSpan.FromSeconds(30)); //Never wait indefinately
KoanAssert.That(newsDetailResponseDto.NewsDetail.Story, Is.Not.Null.Or.Empty, "You now have the full body of the news story");
//KoanAssert.That(newsDetailResponseDto.NewsDetail.Story, Is.StringContaining("<p>"), "You now have the full body of the news story");
}
public void YouCanForceYourSessionToExpireByLoggingOut()
{
_rpcClient.LogIn(USERNAME, PASSWORD);
KoanAssert.That(_rpcClient.Session, Is.Not.Null, "You should have a valid sessionId after logon");
var oldSessionId = _rpcClient.Session;
//Logging out force expires your session token on the server
_rpcClient.LogOut();
//So that future requests with your old token will fail.
try
{
_rpcClient.Session = oldSessionId;
var headlines2 = _rpcClient.News.ListNewsHeadlinesWithSource("dj", "AUS", 4);
KoanAssert.Fail("the previous line should have thrown an (401) Unauthorized exception");
}
catch (ReliableHttpException e)
{
KoanAssert.That(e.Message, Is.StringContaining("Session is not valid"), "The error message should contain something about 'Session is not valid'");
}
}
public void EveryRequestUsesYourSession()
{
//The rpcClient stores your current session details, and uses it to authenticate
//every request.
var headlines = _rpcClient.News.ListNewsHeadlinesWithSource("dj", "UK", 10);
KoanAssert.That(headlines.Headlines.Length > 0, "you should have a set of headlines");
//When your sessionId expires
_rpcClient.Session = "{an-expired-session-token}";
//Then future requests will fail.
try
{
var headlines2 = _rpcClient.News.ListNewsHeadlinesWithSource("dj", "AUS", 10);
KoanAssert.That(false, "the previous line should have thrown an (401) Unauthorized exception");
}
catch (ReliableHttpException e)
{
KoanAssert.That(e.Message, Is.StringContaining("Session is not valid"), "The error message should contain something about 'Session is not valid'");
}
}
public void CreatingASession()
{
//Interaction with the API is done via a top level "client" object
//that holds details about your connection.
//You need to initialise the client with a valid endpoint
_rpcClient = new Rpc.Client(Settings.RpcUri, Settings.StreamingUri, AppKey);
//And then create a session by creating a username & password
//You can get test credentials by requesting them at https://ciapipreprod.cityindextest9.co.uk/CIAPI.docs/#content.test-credentials
try
{
_rpcClient.LogIn(USERNAME, PASSWORD);
}
catch (ReliableHttpException apiException)
{
KoanAssert.Fail(string.Format("cannot login because {0}", apiException.Message));
}
KoanAssert.That(_rpcClient.Session != "", "after logging in, you should have a valid session");
}
public void WhenAKoanPassesYouIncreaseYourKarma()
{
KoanAssert.That(true, "true is true");
}
