public void GetHtml_GivenAWebsite_ReturnsTheRawHtmlAndRedersInWPFControl()
{
Spider s = new Spider();
string result = s.GetHtml(startingSite);
Assert.IsNotNullOrEmpty(result);
Console.WriteLine(result);
}
public void worker_DoWork(object sender, DoWorkEventArgs args)
{
object[] arguments = (object[])args.Argument;
string startingSite = (string)arguments[0];
string numberOfJumpsAsString = (string)arguments[1];
int numberOfJumps = Convert.ToInt32(numberOfJumpsAsString);
Spider s = new Spider();
//deferred execution ie it wont call RunSpiderGetNext until it is iterated over in the foreach block
//a lazy enumerator sequence?
IEnumerable<WebPageInfo> listOfWebPageInfoOfSiteCurrentlyOn = s.RunSpiderGetNext(startingSite, numberOfJumps);
int bytesTransferred = 0;
foreach (var item in listOfWebPageInfoOfSiteCurrentlyOn)
{
textBoxSitesVisited.Dispatcher.Invoke(DispatcherPriority.Normal, (ThreadStart)delegate { textBoxSitesVisited.Text += item.Uri + "\r\n"; });
textBoxSitesVisited.Dispatcher.Invoke(DispatcherPriority.Normal, (ThreadStart)delegate { textBoxSitesVisited.ScrollToEnd(); });
textBoxMessages.Dispatcher.Invoke(DispatcherPriority.Normal, (ThreadStart)delegate { textBoxMessages.Text = item.Messages + "\r\n"; });
webBrowser.Dispatcher.Invoke(DispatcherPriority.Normal, (ThreadStart)delegate { webBrowser.NavigateToString(item.Html); });
bytesTransferred += item.SizeOfPageInBytes;
var megaBytesTransferred = (decimal)bytesTransferred / 1048576;
textBoxMBTransferred.Dispatcher.Invoke(DispatcherPriority.Normal, (ThreadStart)delegate { textBoxMBTransferred.Text = megaBytesTransferred.ToString("#.##"); });
//assigning the variable therefore I don't need a return
//bool? isSleepChecked = null;
//checkBoxSleep.Dispatcher.Invoke(new Action(() =>
// {
// isSleepChecked = checkBoxSleep.IsChecked;
// })
// ,DispatcherPriority.Normal);
//using the func to return the nullable boolean. lambda expression
//bool? isSleepChecked = (bool?)checkBoxSleep.Dispatcher.Invoke(new Func<bool?>(() => checkBoxSleep.IsChecked));
//rewritten using a delegate
bool? isSleepChecked = (bool?)checkBoxSleep.Dispatcher.Invoke(new Func<bool?>(delegate { return checkBoxSleep.IsChecked; }));
if (isSleepChecked == true)
Thread.Sleep(2000);
}
}
public void setup()
{
s = new Spider();
}
