Cannot find web elements at “chrome://downloads/” page

问题

I am using Java and Selenium to write tests for Chrome. Sometimes I need to get to chrome://downloads/ and click on CLEAR ALL button. I can get to the page by

RemoteWebDriver driver = (RemoteWebDriver) driverChrome;
        driver.executeScript("window.open();");
        Thread.sleep(500);
        tabs = new ArrayList<String>(driverChrome.getWindowHandles());
        driverChrome.switchTo().window(tabs.get(1));
        Thread.sleep(500);
        driverChrome.get("chrome://downloads/");

but I cannot click on the button, whatever xpath I use it says no such element

回答1:

Below here JavascriptExecutor example to perform click on CLEAR ALL button using selenium :-

JavascriptExecutor executor = (JavascriptExecutor)driver
executor.executeScript("var dm = document.getElementsByTagName('downloads-manager')[0];var toolbar = dm.shadowRoot.getElementById('toolbar');var actions = toolbar.shadowRoot.getElementById('actions');actions.getElementsByClassName('clear-all')[0].click();");

Tested in Chrome Version 50.0.2661.102 m

Hope it will help you..:)

来源：https://stackoverflow.com/questions/37503202/cannot-find-web-elements-at-chrome-downloads-page