Question

I am new to automated web testing and I am currently migrating from an old Selenium RC implementation to Selenium 2 in Ruby. Is there a way to halt the execution of commands until the page gets loaded, similar to “wait_for_page_to_load” in Selenium RC?

Answer 1

Try using Javascript to inform you!

I created a couple methods that checks via our javascript libraries and waits to see if the page has finished loading the DOM and that all ajax requests are complete. Here’s a sample snippet. The javascript you will need to use is just going to depend on your library.

Selenium::WebDriver::Wait.new(:timeout => 30).until { @driver.execute_script("[use javascript to return true once loaded, false if not]"}

I then wrapped these methods in a clickAndWait method that clicks the element and calls the waitForDomLoad and waitForAjaxComplete. Just for good measure, the very next command after a clickAndWait is usually a waitForVisble element command to ensure that we are on the right page.

# Click element and wait for page elements, ajax to complete, and then run whatever else
def clickElementAndWait(type, selector)
    @url = @driver.current_url
    clickElement(type, selector)
    # If the page changed to a different URL, wait for DOM to complete loading
    if @driver.current_url != @url
      waitForDomLoad
    end
    waitForAjaxComplete
    if block_given?
      yield
    end
end