On Feb 17, 2010, at 6:31 PM, Marius Dumitru Florea wrote:
> Hi Vincent,
>
> Vincent Massol wrote:
>> Hi,
>>
>> Yesterday I wanted to add some functional tests for Create page/space
>> actions and I found that the Selenium version we're using doesn't work on
>> Snow Leopard (my OS) so I started looking at issues and found that the pb
>> was fixed in Selenium2/WebDriver. Since I had wanted to explore it for a
>> while I took the time to do a quick exploration...
>>
>> Selenium2 is the merge of Selenium and WebDriver.
>>
>> Pros of Selenium2:
>> * No more JS sandbox. In selenium1 all the selenium API is executed as JS in
>> the browser. In Selenium2 the browsers are controlled using their native
>> APIs (JNA).
>> * Faster (as a consequence of the previous point)
>> * Allows to do stuff such as file uploads, etc since there's no longer the
>> issue of the JS sandbox
>> * No need to start a Selenium Proxy. All you need is to start XE and then
>> you can run the tests as simple JUnit tests.
>> * The API is much cleaner (this is to be expected with hindsight). See
>> http://seleniumhq.org/docs/09_webdriver.html
>
>> * There's a very fast executing HtmlUnit driver (not to be used with tests
>> using JS though since it emulates browser JS support and thus cannot
>> guarantee the result in the real browser)
>
> GWT2.0 uses HtmlUnit by default to run the unit tests and its JS support
> is still limited. I can't run most of the RichTextArea tests.
>
>>
>> Now Selenium2 also recommends to use the PageObject pattern which IMO is a
>> very good pattern that we should use. More here:
>> http://code.google.com/p/selenium/wiki/PageObjects
>
> +1 I like it too. We could have used this pattern with Selenium 1 too (
> something like
> http://svn.xwiki.org/svnroot/xwiki/enterprise/trunk/distribution-test/wysiwyg-tests/src/test/it/com/xpn/xwiki/it/selenium/framework/XWikiExplorer.java
>
> ).
>
>>
>> In order to get a feel of it, I've committed a first test in the sandbox
>> using the PageObjects pattern:
>> http://svn.xwiki.org/svnroot/xwiki/contrib/sandbox/webdriver-ui-tests/
>>
>> To run the test:
>> * Start a local XE on port 8080
>> * Open the project in your IDE and run LoginTest as a JUnit test
>>
>> Let me know what you think.
>>
>> My opinion
>> * We should test it more, on Ajaxy web pages to verify it's stable and
>> working well enough
>> * If that works well enough then we could make it our default way of writing
>> functional UI tests and start migrating existing tests one by one + write
>> new ones in it
>
> I'll try to migrate some of the WYSIWYG Selenium tests to see how it works.
Note that webdriver.get(url) will just wait for onLoad event to be fired so if
you have js code that execute after you might need to wait for elements. Here's
how to implement a wait:
// Wait for up to 15 seconds
Wait<WebDriver> wait = new WebDriverWait(driver, 15);
WebElement element =
wait.until(visibilityOfElementLocated(By.name("foo"));
where that "visibility" method is defined as something like:
public WebElement visibilityOfElementLocated(final By locator) {
return new ExpectedCondition<WebElement>() {
public WebElement apply(WebDriver driver) {
RenderedWebElement element =
(RenderWebElement) driver.findElement(locator);
return element.isDisplayed() ? element : null;
}
}
}
Thanks
-Vincent
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