Detect when the selenium webdriver changes url in browser

Question

I need to detect when the url in the browser changes whether it was because of click on a link, a form post or I changed the url in code.

I need it because I'm creating an object to represent the page and I need to dispose recreate it when the url changes.

Here is what I have tried so far:

private string _pageUrl;
protected T _page = default(T);
protected T Page
{
    get
    {
        if (_page == null || UrlHasChanged())
        {
            _page = GetPage<T>();
            SetPageUrl();
        }
        return _page;
    }
}

private bool UrlHasChanged()
{
    var driver = Session.GetDriver();
    return driver.Url != _pageUrl;
}

public void SetPageUrl()
{
    _pageUrl = Session.GetDriver().Url;
}

This works in most cases but it fails when the test goes forward a page and then goes back to the initial page.

I need a way to detect when the url changes so I can reset the _page field.

n1r3 · Accepted Answer · 2012-12-07 21:47:55Z

6

I'm a Java developer, so, I search in the C# documentation what looked similar to the Java API. I think you should use the EventFiringWebDriver :

EventFiringWebDriver firingDriver = new EventFiringWebDriver(driver);
firingDriver.NavigatingBack += new EventHandler<WebDriverNavigationEventArgs>(...);
firingDriver.NavigatedBack += new EventHandler<WebDriverNavigationEventArgs>(...);
firingDriver.NavigatingForward += new EventHandler<WebDriverNavigationEventArgs>(...);
firingDriver.NavigatedForward += new EventHandler<WebDriverNavigationEventArgs>(...);

I looked at the unit tests and I found this one that may be useful for you : http://selenium.googlecode.com/svn/trunk/dotnet/test/WebDriver.Support.Tests/Events/EventFiringWebDriverTest.cs

answered Dec 7, 2012 at 21:47

n1r3

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4 Comments

Happy Bird Over a year ago

I think this won't work when the URL has changed after eg. clicking a link/button.

Silent Sojourner Over a year ago

EventFiringWebDriver sadly only functions whey you explicitly call the Navigate() method

garry man Over a year ago

@HappyBird have you found a solution for that?

beatngu13 Over a year ago

@garryman you are free to implement more listener methods which may lead to URL change, such as NavigateTo, ClickOn, ChangeValueOf, etc. This will handle mouse clicks as well as key strokes.

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