Question

I would like to use the execute_async_script command (in the Selenium remote webdriver) to execute some JS with a callback.

I have something similar to this in my current setup for the selenium.selenium model:

self.selenium = selenium("localhost", 4444, "*firefox", "http://localhost:8000")

But how do I use the WebDriver implementation alongside selenium.selenium so I can call execute_async_script?

Answer 1

It sounds like you are using the remote control setup right now, yes? You should be able to instantiate a WebDriver instance from within that code, but you need to reference the WebDriver dlls. You will need to instantiate an instance of a browser driver object (ie: FirefoxDriver, InternetExplorerDriver, ChromeDriver, etc..) and then set your IWebDriver "driver" property equal to that instance. Then create an interface object named "js" (or whatever you’d like) as an IJavaScriptExecutor object and call the non-static method "ExecuteScript" or "ExecuteAsyncScript" (in your case).

My code below is in C#.NET (assuming you’re using NUnit). You’ll have to find the Python implementation since I don’t know that language.

Class data members:

private IWebDriver driver;
private StringBuilder verificationErrors;
private string baseURL;

Code:

driver = new FirefoxDriver(new FirefoxProfile());
baseURL = "http://???";  // replace "???" with website domain
ISelenium selenium = new WebDriverBackedSelenium(driver, baseURL);
selenium.Start();

IJavaScriptExecutor js = driver as IJavaScriptExecutor;
js.ExecuteScript("$('#id').click();");  // assumes JQuery is used in page
js.ExecuteAsyncScript(...);

For Python, you can have a look at answer