ドメイン固有言語（DSL）

/**  * Takes a username and password, fills out the fields, and clicks "login".  * @return An instance of the AccountPage  */ public AccountPage loginAsUser(String username, String password) {  WebElement loginField = driver.findElement(By.id("loginField"));  loginField.clear();  loginField.sendKeys(username);   // Fill out the password field. The locator we're using is "By.id", and we should  // have it defined elsewhere in the class.  WebElement passwordField = driver.findElement(By.id("password"));  passwordField.clear();  passwordField.sendKeys(password);   // Click the login button, which happens to have the id "submit".  driver.findElement(By.id("submit")).click();   // Create and return a new instance of the AccountPage (via the built-in Selenium  // PageFactory).  return PageFactory.newInstance(AccountPage.class); } 

public void loginTest() {  loginAsUser("cbrown", "cl0wn3");   // Now that we're logged in, do some other stuff--since we used a DSL to support  // our testers, it's as easy as choosing from available methods.  do.something();  do.somethingElse();  Assert.assertTrue("Something should have been done!", something.wasDone());   // Note that we still haven't referred to a button or web control anywhere in this  // script... }