Checking If alert exists before switching to it

[Chuck Woodraska]

In Selenium 2, is there a way to click a button and then check if an
alert exists after the button click? If it exists I want to accept the
alert otherwise I would just move on to my next step.

[Lutfi Dughman]

if using webdriver

webelement.click

Alert alert = driver.switchto().alert() 

alert.getText ....

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[Chuck Woodraska]

I couldn't get that to work. I'm pretty sure this is because the alert
doesn't exist so it gave me a NullPointerException. I am able to do it
by checking the page title after the element.click to the page title
before the element.click . If the page titles are the same I know the
alert stop it from changing pages and I have to deal with the alert
otherwise I continue running my tests.

On Apr 21, 11:01 am, Lutfi Dughman <lutf...@gmail.com> wrote:
> if using webdriver
>
> webelement.click
> Alert alert = driver.switchto().alert()
> alert.getText ....
>

> On Thu, Apr 21, 2011 at 11:57 AM, Chuck Woodraska <chuck.woodra...@gmail.com

[Lutfi Dughman]

is this browser alert, or some custom javascript alert? because you can't use the alert() with javscript alerts.

[Brian Kitchener]

You can wrap anything in a try/catch statement. And then it won't
throw an error.

[Chuck Woodraska]

It is a browser alert. Finally got the try/catch to work after I moved
the Alert alert = driver.switchto().alert() ; out and just left the
alert.accept(); in the try.

[Yanan]

I have the same problem as John's.
After clicking on a button, there is an alert popup. But I get
NullPointerException when I use driver.switchto().alert().getText().
There is only one window is returned when I use
driver.getWindowHandles().
Any idea?

Thanks,
Yanan

On Apr 24, 10:36 am, Brian Kitchener <kitchener.br...@gmail.com>
wrote:

> You can wrap anything in a try/catch statement. And then it won't
> throw an error.
>
> On Apr 21, 9:57 am, Chuck Woodraska <chuck.woodra...@gmail.com> wrote:
>
> > In Selenium 2, is there a way to click a button and then checkifan
> >alertexistsafter the button click?IfitexistsI want to accept the

> >alertotherwise I would just move on to my next step.

[Ctrl+Shft+Eject]

So far this appears to be working for me, although alert is intermittent. I have run multiple test now without coming across the alert.

 public static boolean assertAndAcceptAlert (String alertText) {
         Alert alert = null ;
         try{ if (alertText.equals(alert.getText())){
                switchTo().alert(); boolean ok = alertText.equals(alert.getText()); alert.dismiss(); return ok;}
            else { return false; }}
         catch (NullPointerException npe){
             Log.state("Caught: " + npe );}
     return true;}