public void Isolation_AfterLongDelay_GivesUpAndMovesOn()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
var browser3 = new BrowserStub();
string target3 = "http://yet another web address";
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
var start = DateTime.Now;
while (DateTime.Now - start < new TimeSpan(0, 0, 0, 2, 300))
Application.DoEvents(); // allow timer to tick.
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded eventually");
browser2.NormalTermination(); // the second request.
Assert.That(() => browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second finished");
browser3.NormalTermination(); // hopefully from the third.
Assert.That(browser3.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void NoLongerBusy_EvenWithoutEvent_IsNoticed()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
Assert.That(browser2.NavigateTarget, Is.EqualTo(null), "Second navigation should not have proceeded at once");
browser.IsBusy = false; // finished but did not raise event.
var start = DateTime.Now;
while (DateTime.Now - start < new TimeSpan(0, 0, 0, 0, 150))
{
Application.DoEvents(); // allow timer to tick.
}
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded soon after first no longer busy");
browser.NormalTermination();
browser2.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void Isolation_AfterLongDelay_GivesUpAndMovesOn()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
var browser3 = new BrowserStub();
string target3 = "http://yet another web address";
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
var start = DateTime.Now;
while (DateTime.Now - start < new TimeSpan(0, 0, 0, 2, 300))
{
Application.DoEvents(); // allow timer to tick.
}
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded eventually");
browser2.NormalTermination(); // the second request.
Assert.That(() => browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second finished");
browser3.NormalTermination(); // hopefully from the third.
Assert.That(browser3.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SpuriousNavigatedEvents_AreIgnored()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
Assert.That(browser2.NavigateTarget, Is.EqualTo(null), "Second navigation should not have proceeded at once");
browser.RaiseNavigated(this, new EventArgs()); // got the event notification, but still busy.
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded even on Navigated while browser still busy");
Assert.That(browser2.NavigateTarget, Is.EqualTo(null), "Second navigation should not have proceeded even on Navigated while browser still busy");
browser.NormalTermination();
Assert.That(browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed (and browser no longer busy)");
browser2.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void TwoPendingNavigations_WithNavigatedEvents_AreHandledCorrectly()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
var browser3 = new BrowserStub();
string target3 = "http://yet another other web address";
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second and third navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed (but third should not)");
browser2.NormalTermination();
Assert.That(browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second completed");
browser3.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void IdleNavigation_WhenNothingHappening_ProceedsAtOnce()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
Assert.That(isolator.NavigateIfIdle(browser, target), Is.True);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
}
public void IdleNavigation_WhenNothingHappening_ProceedsAtOnce()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
Assert.That(isolator.NavigateIfIdle(browser, target), Is.True);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
}
public void SimpleNavigation_JustHappens()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
}
public void IdleNavigation_NavigationInProgress_ReturnsFalse_NeverProceeds()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
Assert.That(isolator.NavigateIfIdle(browser, target2), Is.False);
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "failed idle navigation should not happen");
}
public void IdleNavigation_NavigationInProgress_ReturnsFalse_NeverProceeds()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
Assert.That(isolator.NavigateIfIdle(browser, target2), Is.False);
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "failed idle navigation should not happen");
}
public void SecondNavigation_OnSameBrowser_HappensAtOnce()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded at once");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SecondRequest_WhenFirstNoLongerBusy_ProceedsAtOnce()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.IsBusy = false; // clear state without raising event
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded since browser is already not busy");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void NoLongerBusy_EvenWithoutEvent_IsNoticed()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.IsBusy = false; // finished but did not raise event.
var start = DateTime.Now;
while (DateTime.Now - start < new TimeSpan(0, 0,0, 0, 150))
Application.DoEvents(); // allow timer to tick.
Assert.That(() => browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded soon after first no longer busy");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void RegularNavigation_DelayedProperlyByIdleNavigation()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
Assert.That(isolator.NavigateIfIdle(browser, target), Is.True);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void TwoPendingNavigationsOnDifferentBrowsers_WithNavigatedEvents_AreHandledCorrectly()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = NavigationIsolator.GetOrCreateTheOneNavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
var browser2 = new BrowserStub();
isolator.Navigate(browser2, target2);
string target3 = "http://yet another other web address";
var browser3 = new BrowserStub();
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second and third navigation should not have proceeded at once");
Assert.That(browser2.NavigateTarget, Is.Null, "browser 2 should not have navigated anywhere yet");
Assert.That(browser3.NavigateTarget, Is.Null, "browser 3 should not have navigated anywhere yet");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded (on second browser) first completed");
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "First browser should not have navigated again");
Assert.That(browser3.NavigateTarget, Is.Null, "browser 3 should not have navigated anywhere when first completed");
browser2.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "nothing new should have happened to browser 1");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second completed");
Assert.That(browser2.NavigateTarget, Is.EqualTo(target2), "Second browser should not have navigated again");
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "First browser should not have navigated again");
browser3.NormalTermination();
Assert.That(browser3.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "nothing new should have happened to browser 1");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "nothing new should have happened to browser 2");
}
public void SingleTask_AfterLongDelay_AllowsIdleNavigation()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
var start = DateTime.Now;
var success = false;
while (!success && DateTime.Now - start < new TimeSpan(0, 0, 0, 2, 300))
{
success = isolator.NavigateIfIdle(browser, target2);
Application.DoEvents(); // allow timer to tick.
}
Assert.That(() => browser.NavigateTarget, Is.EqualTo(target2), "Idle navigation should have proceeded eventually");
Assert.That(success, "NavigateIfIdle should eventually succeed");
browser.NormalTermination(); // possibly the long-delayed notification of the first nav, but more likely the idle navigation.
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SameBrowser_ReplacesPending()
{
var isolator = new NavigationIsolator();
var browser = new BrowserStub();
string target = "http://whatever";
isolator.Navigate(browser, target);
var browser2 = new BrowserStub();
string target2A = "http://first";
isolator.Navigate(browser2, target2A);
string target2B = "http://second";
isolator.Navigate(browser2, target2B);
// Signal the first browser to finish.
browser.NormalTermination();
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2B), "Second navigation should have proceeded with its second choice");
// Signal the second browser to finish.
browser2.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void RegularNavigation_DelayedProperlyByIdleNavigation()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
Assert.That(isolator.NavigateIfIdle(browser, target), Is.True);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SameBrowser_ReplacesPending()
{
var isolator = new NavigationIsolator();
var browser = new BrowserStub();
string target = "http://whatever";
isolator.Navigate(browser, target);
var browser2 = new BrowserStub();
string target2A = "http://first";
isolator.Navigate(browser2, target2A);
string target2B = "http://second";
isolator.Navigate(browser2, target2B);
// Signal the first browser to finish.
browser.NormalTermination();
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2B), "Second navigation should have proceeded with its second choice");
// Signal the second browser to finish.
browser2.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void TwoPendingNavigations_WithNavigatedEvents_AreHandledCorrectly()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
var browser3 = new BrowserStub();
string target3 = "http://yet another other web address";
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second and third navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed (but third should not)");
browser2.NormalTermination();
Assert.That(browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second completed");
browser3.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SpuriousNavigatedEvents_AreIgnored()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.RaiseNavigated(this, new EventArgs()); // got the event notification, but still busy.
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded even on Navigated while browser still busy");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed (and browser no longer busy)");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SingleTask_AfterLongDelay_AllowsIdleNavigation()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
var start = DateTime.Now;
var success = false;
while (!success && DateTime.Now - start < new TimeSpan(0, 0, 0, 2, 300))
{
success = isolator.NavigateIfIdle(browser, target2);
Application.DoEvents(); // allow timer to tick.
}
Assert.That(() => browser.NavigateTarget, Is.EqualTo(target2), "Idle navigation should have proceeded eventually");
Assert.That(success, "NavigateIfIdle should eventually succeed");
browser.NormalTermination(); // possibly the long-delayed notification of the first nav, but more likely the idle navigation.
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SimpleNavigation_JustHappens()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
}
public void SecondRequest_WhenFirstNoLongerBusy_ProceedsAtOnce()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.IsBusy = false; // clear state without raising event
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded since browser is already not busy");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SecondNavigation_OnSameBrowser_HappensWhenFirstRaisesNavigated()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}