When running Selenium Webdriver Test no Alert appears

Question

I'm running a Selenium webdriver test in FireFox. After clicking on a button a Javascript (JQuery/Bootstrap) alert has to appear but no matter how I run the program (eclipse, debug mode, executable Jar) this alert never appears.

When executing exactly the same action by hand the alert appears always, even when I used the same browser session that was started up by the Selenium webdriver test. I'm using Selenium Webdriver 2.53 Java 1.7 Firefox 46.0.1 under Windows 10.

Anybody an idea why this alert doesn't appear

Recently I figured out that the waiting time of 10 seconds in my testprogram was not enough. After waiting for about 15 seconds the alertbox finally sppears. Curious because when testing manually it only takes two or Three seconds before the alertbox appears. — Frank
– Frank, Commented Jun 2, 2016 at 9:00

Saurabh Gaur · Accepted Answer · 2016-05-11 12:37:42Z

2

Actually in Selenium webdriver for Firefox by default the alert box is dismissed if it is appear.

So modify your DesiredCapabilities before initializing WebDriver to ignore this behavior by setting as follows :-

 DesiredCapabilities capabilities = DesiredCapabilities.firefox() capabilities.setCapability(CapabilityType.UNEXPECTED_ALERT_BEHAVIOUR,"ignore");

Hope this will help you..

answered May 11, 2016 at 12:37

Saurabh Gaur

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2 Comments

Frank Over a year ago

Saurabh, thank you for your answer. I added the code just before creating the WebDriver instance. Unfortunatly the alert box not appears, In the trace I see this line: Capabilities [ handlesAlerts=true], This seems to be telling me that Alerts has to appear, am I right?

Saurabh Gaur Over a year ago

No, it just read only capability, it just ensure Whether the session can interact with modal popups, such as window.alert and window.confirm

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