how to test multiple browser(versions) with selenium and junit

Question

I just discovered selenium - a great tool!
I plan to run/use selenium-ide generated junit4 code. But I need it to run with many browsers/web drivers. Is there a junit/java-pattern for this use case? My first idea was to use @RunWith(Parameterized.class) and provide a List of WebDrivers (the parameter for the class - probably provided as an external file listing browsers and versions?!). Is this a good idea? Is it possible to provide a central @Parameters -method to be used by all my Selenium-tests?

What alternatives are there?

Probably it is possible to change the "Format" that Selenium exports to minimize manual changes?

Answer 1

Well, I do need to switch drivers from time to time, so I did this:

I initialize selenium related stuff in my own Class - called by name of the application and the driver is approached by the getters. When calling my class constructor, I use enum type of driver to initialize with:

 private WebDriver driver;
 public TestUI(Environment.DriverToUse drv){
   switch (drv){
        case CHROME:{
            ChromeDriverService service = ChromeDriverService.createDefaultService();
            File file = new File(TestUI.class.getResource("/chromedriver.exe").toURI());
            System.setProperty(ChromeDriverService.CHROME_DRIVER_EXE_PROPERTY, file.getAbsolutePath());                
            ChromeOptions options = new ChromeOptions();
            options.addArguments("--start-maximized");
            driver = new ChromeDriver(service,options);
            driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
            break;
        }
        case FIREFOX:{
            FirefoxProfile ffProfile = new FirefoxProfile();
            ffProfile.setPreference("browser.safebrowsing.malware.enabled", false);
            driver = new FirefoxDriver(ffProfile);
            driver.manage().window().setPosition(new Point(0, 0));
            java.awt.Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension dim = new Dimension((int) screenSize.getWidth(), (int) screenSize.getHeight());
            driver.manage().window().setSize(dim);
            driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
            break;

        }    

public WebDriver getDriver(){
 return driver;
}

of course my Environment class looks like this

public class Environment {
public enum DriverToUse {FIREFOX, CHROME};
// .. and some other stuff, because I need to test on different environments, so I store here Environment URL for example

And my test class looks something like this

@Before
public static final Environment.DriverToUse USED_DRIVER = Environment.DriverToUse.FIREFOX;

@Test
public void testVersionNumber() throws Exception{

    TestUI testUI= new TestUI(USED_DRIVER);
    WebElement version = testUI.getDriver().findElement(By.id("the Id of element"));
    version.click();
    //...
}

Answer 2

Use Selenium RC/Selenium Server. These come with the API's you will need to run remote tests in multiple browsers simply. Happy Hunting!