CODEWITHSUNDEEP
c#selenium
webdad3
webdad3

Reputation: 9080

Selenium WindowHandels doesn't recognize modal window

I have a site that opens a new (smaller) browser window, which I'm trying to test in Selenium.

I am using the ChromeWebDriver (2.27).

I have the following code:

String parentHandle = Driver.Instance.WindowHandles[0].ToString();
String modalHandel = Driver.Instance.WindowHandles[1].ToString();

I've tried several different variations (i.e. using ReadOnlyCollections & for loops) with the same result.

When I look at Driver.Instace.WindowHandles I see 2 entries. The 1st one (I'm guessing) is my main window and the 2nd one is the modal.

enter image description here

However, about 50% of the time this code errors. 

String modalHandel = Driver.Instance.WindowHandles[1].ToString();

Stating that:

Index was out of range. Must be non-negative and less than the size of the collection.

Maybe it is late in the day, but I really don't understand why this sometimes works and sometimes it doesn't. Can anyone please shed some light on this?

Upvotes: 0

Views: 149

Answers (1)

Guy
Guy

Reputation: 50819

It might be timing issue, the smaller browser might open after you are looking for its WindowHandle so Driver.Instance.WindowHandles contains only the parent WindowHandle. You can try to wait until there are two handles

ReadOnlyCollection<string> windowHandles;
while ((windowHandles = Driver.Instance.WindowHandles).Count < 2);

string parentHandle = windowHandles[0]; // its already string, no need to call ToString()
string modalHandel = windowHandles[1];

You can also limit the time

Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();

ReadOnlyCollection<string> windowHandles;
while ((windowHandles = driver.WindowHandles).Count < 2 && stopwatch.Elapsed.TotalSeconds < 10);

string parentHandle = windowHandles[0];
string modalHandel = windowHandles[1];

Upvotes: 1

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