public Task <SurveyNewsFeed> GetFeedAsync(string feedUrl)
{
// We can't use a simple WebRequest, because that doesn't have access
// to the browser's session cookies. Cookies are used to remember
// which survey/news item the user has submitted/accepted. The server
// checks the cookies and returns the survey/news urls that are
// currently available (availability is determined via the survey/news
// item start and end date).
var tcs = new TaskCompletionSource <SurveyNewsFeed>();
try {
var thread = new Thread(() => {
var browser = new WebBrowser();
browser.DocumentCompleted += (sender, e) => {
try {
if (browser.Url == e.Url)
{
SurveyNewsFeed feed = ParseFeed(browser);
tcs.SetResult(feed);
Application.ExitThread();
}
} catch (Exception ex2) {
tcs.SetException(ex2);
}
};
browser.Navigate(new Uri(feedUrl));
Application.Run();
});
thread.Name = "SurveyNewsFeedClient";
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
} catch (Exception ex1) {
tcs.SetException(ex1);
}
return(tcs.Task);
}
public MockSurveyNewsFeedClient(SurveyNewsFeed feed) {
_feed = feed;
}
private async Task CheckSurveyNews(SurveyNewsFeed feed, SurveyNewsPolicy policy,
DateTime lastChecked, bool forceCheck, string expectedNavigatedUrl, DateTime? expectedLastChecked) {
string navigatedUrl = null;
// Create the test objects
var browser = Substitute.For<IWebBrowserServices>();
browser.When(x => x.OpenBrowser(Arg.Any<WebBrowserRole>(), Arg.Any<string>(), Arg.Any<bool>())).Do(x => {
((WebBrowserRole)x.Args()[0]).Should().Be(WebBrowserRole.News);
navigatedUrl = (string)x.Args()[1];
});
var options = new MockSurveyNewsOptions(policy, lastChecked);
var feedClient = new MockSurveyNewsFeedClient(feed);
// Invoke the real survey/news service
var service = new SurveyNewsService(feedClient, options, browser, Substitute.For<ICoreShell>());
await service.CheckSurveyNewsAsync(forceCheck);
// Check that we navigated to the right url (or didn't navigate at all)
navigatedUrl.Should().Be(expectedNavigatedUrl);
// Check that the last checked date has been updated (or not updated at all)
if (expectedLastChecked.HasValue) {
var delta = options.SurveyNewsLastCheck - expectedLastChecked.Value;
delta.Duration().Should().BeLessOrEqualTo(TimeSpan.FromSeconds(5));
} else {
options.SurveyNewsLastCheck.Should().Be(lastChecked);
}
}
