private static void WaitForJQueryIsLoaded(this IWebDriver webDriver, AbstractPageSettings pageSettings)
{
if (!pageSettings.PageUsesJquery)
{
return;
}
TimeSpan timeout = new TimeSpan(0, 0, 5);
WebDriverWait wait = new WebDriverWait(webDriver, timeout)
{
Message = "JQuery was not loaded after " + timeout.Seconds + " seconds."
};
wait.Until(JQueryIsLoaded);
}
public static TResult ExecuteScript <TResult>(this IWebDriver webDriver, AbstractPageSettings pageSettings, string script, params object[] args)
{
WaitForJQueryIsLoaded(webDriver, pageSettings);
dynamic objectToCast = GetJavaScriptExecutor(webDriver).ExecuteScript(script, args);
if (objectToCast != null)
{
// ReSharper disable once SuspiciousTypeConversion.Global
//The Webdriver casts Collection<object> when the list is empty but when it detects that the elements can be castet to IWebElement it will do so.
//Therefore the ExecuteScript will give you for an empty javascript list a ReadOnlyCollection<object>
//but a ReadOnlyCollection<IWebElements> when there is at least one element within the JavaScript array/object!
if (objectToCast is ReadOnlyCollection <object> && objectToCast.Count == 0)
{
var genericTypeArgument = typeof(TResult).GetGenericArguments()[0];
Type paraType = typeof(List <>).MakeGenericType(genericTypeArgument);
var para = Activator.CreateInstance(paraType);
Type readonlyType = typeof(ReadOnlyCollection <>);
Type result = readonlyType.MakeGenericType(genericTypeArgument);
return((TResult)Activator.CreateInstance(result, para));
}
}
return((TResult)objectToCast);
}
/// <summary>
/// Wait for all animations to be finished.
/// </summary>
private static bool AllAnimationsFinished(IWebDriver driver, AbstractPageSettings pageSettings, out string errorMessage)
{
if (pageSettings.PageUsesJquery && pageSettings.HasEndlessJQueryAnimation)
{
errorMessage = "Page has a endless animation. Cannot wait for animations finished.";
return(true);
}
bool jqueryIsLoaded;
if (pageSettings.PageUsesJquery)
{
jqueryIsLoaded = JQueryIsLoaded(driver);
}
else
{
errorMessage = "Cannot wait for animations, page uses no JQuery. ";
return(true);
}
if (jqueryIsLoaded)
{
TestLog.Add("Get all running JQuery animations...");
ReadOnlyCollection <IWebElement> animatedObjects = driver.ExecuteScript <ReadOnlyCollection <IWebElement> >(pageSettings, "return $(':animated').toArray();");
if (animatedObjects.Count != 0)
{
errorMessage = "Tried to click but there were still running JQuery animations on the webpage which are not excluded from waiting for them to finish."
+ " || Objects still animated: " + GetAnimatedObjectMessage(animatedObjects) + " ||.";
return(false);
}
errorMessage = string.Empty;
return(true);
}
errorMessage = "JQuery was not loaded. Cannot wait for Animations";
return(false);
}
public static void ExecuteScript(this IWebDriver webDriver, AbstractPageSettings pageSettings, string script, params object[] args)
{
WaitForJQueryIsLoaded(webDriver, pageSettings);
ExecuteScript <object>(webDriver, pageSettings, script, args);
}
public static TResult ExecuteJavaScriptAsync <TResult>(this IWebDriver webDriver, AbstractPageSettings pageSettings, string script, params object[] args)
{
WaitForJQueryIsLoaded(webDriver, pageSettings);
return((TResult)GetJavaScriptExecutor(webDriver).ExecuteAsyncScript(script, args));
}
private static void ScrollIntoView(IWebDriver webDriver, IWebElement webElement, AbstractPageSettings pageSettings)
{
if (webElement == null || !webElement.Displayed)
{
return;
}
try
{
webDriver.ExecuteScript(pageSettings, "arguments[0].scrollIntoView(true);", webElement);
}
catch (StaleElementReferenceException)
{
//For the case, that the objectreference we have, is no longer valid
}
catch (InvalidOperationException)
{
//For older IE: Sometimes we get an 'Error determining if element is displayed' error, so we can go around this error.
}
catch (WebDriverException)
{
//For some cases, our node is not responding (OpenQA.Selenium.WebDriverException: No response from server for url ...)
}
}
private static Func <IWebDriver, IWebElement> FindAndScrollToElement(By locator, Visibility visibilityFilter, AbstractPageSettings pageSettings)
{
if (TestStatusManager.IsCanceled)
{
throw new TaskCanceledException("Canceled test.");
}
return(driver =>
{
IWebElement webElement = Find(locator, visibilityFilter).Invoke(driver);
if (webElement != null)
{
ScrollIntoView(driver, webElement, pageSettings);
TimeSpan timeout = new TimeSpan(0, 0, 3);
WebDriverWait wait = new WebDriverWait(driver, timeout)
{
Message = "Element by " + locator + " was not present in the viewport after timeout."
};
wait.Until(d => ElementIsInViewPort(d, locator));
return webElement;
}
return null;
});
}