Wait for page load in Selenium

Question

How do you make Selenium 2.0 wait for the page to load?

Answer 1

My simple way:

long timeOut = 5000;
    long end = System.currentTimeMillis() + timeOut;

        while (System.currentTimeMillis() < end) {

            if (String.valueOf(
                    ((JavascriptExecutor) driver)
                            .executeScript("return document.readyState"))
                    .equals("complete")) {
                break;
            }
        }

Answer 2

The best way to wait for page loads when using the Java bindings for WebDriver is to use the Page Object design pattern with PageFactory. This allows you to utilize the AjaxElementLocatorFactory which to put it simply acts as a global wait for all of your elements. It has limitations on elements such as drop-boxes or complex javascript transitions but it will drastically reduce the amount of code needed and speed up test times. A good example can be found in this blogpost. Basic understanding of Core Java is assumed.

http://startingwithseleniumwebdriver.blogspot.ro/2015/02/wait-in-page-factory.html

Answer 3

1. WebDriver driver = new ff / chrome / anyDriverYouWish(); driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS); Waits maximum of 10 Seconds.

2. WebDriverWait wait = new WebDriverWait(driver, 10); wait.until(ExpectedConditions.visibilityOf(WebElement element));

3. FluentWait<Driver> fluentWait; fluentWait = new FluentWait<>(driver).withTimeout(30, TimeUnit.SECONDS) .pollingEvery(200, TimeUnit.MILLISECONDS) .ignoring(NoSuchElementException.class);

The advantage of the last option is that you can include exception to be expected, so that your execution continues.

Answer 4

You can also check pageloaded using following code

IWait<IWebDriver> wait = new OpenQA.Selenium.Support.UI.WebDriverWait(driver, TimeSpan.FromSeconds(30.00));

 wait.Until(driver1 => ((IJavaScriptExecutor)driver).ExecuteScript("return document.readyState").Equals("complete"));

Answer 5

In general, with Selenium 2.0 the web driver should only return control to the calling code once it has determined that the page has loaded. If it does not, you can call waitforelemement, which cycles round calling findelement until it is found or times out (time out can be set).

Answer 6

This seems to be a serious limitation of WebDriver. Obviously waiting for an element will not imply the page being loaded, in particular the DOM can be fully build (onready state) whereby JS is still executing and CSS and images are still loading.

I believe the simplest solution is to set a JS variable upon the onload event after everything is initialized and check and wait for this JS variable in Selenium.