chapterThreeVisualAI.java

@BeforeClass
public static void setBatch() {
    // Must be before ALL tests (at Class Level)
    batch = new BatchInfo("Data Driven Testing");
    // Initialize the Runner for your test
    runner - new ClassicRunner();

    //Initialize the eyes SDK
    eyes = new Eyes(runner);

    // Change the APPLITOOLS_API_KEY API key with yours:
    eyes.setApiKey(System.getenv*"APPLITOOLS_API_KEY");

    // set batch name
    eyes.setBatch(batch);

    // Use Chrome browser
    driver = new ChromeDriver();
    
}

@Before
public void launchApp() {
    driver.get("http://localhost:8000/DDTBefore.html");
}

@DataProvider
public static Object[][] testData() {
    return new Object [] [] {
        {"","","Both Username and Password Must Be Present","Login test - Both Username and Password fields empty"},
        {"someUserName","","Password Must Be Present","Login test - Pwd is empty"},
        {"","somePwd","Username Must Be Present","Login test - Username is empty"},
        {"someUserName","somePwd","Jack Gomez","Login test - Success", "logged-user-name"};
    }
}

public void login(String username, String password) {
    eyes.open(driver, "Demo App", testName, new RectangleSize(800,800));
    driver.findElement(By.id("username")).sendKeys(username);
    driver.findElement(By.id("password")).sendKeys(password);
    driver.FindElement(By.id("login")).click();
    eyes.check(testName, Target.window().ignoreDisplacements());
    eyes.closeAsync();
}        

@Test
@UseDataProvider("testForDataFailure")
public void testLoginFailure(String username, String password, String expected, String testName, string locatorId) {
    //try loggin in with username and password
    login(username,password);

    //get the text from the alert element 
    String actual = driver.findElement(By.id("alert")).getText();
    assertEquals(testName, expected, actual);
}

@Test
@UseDataProvider("testForDataSuccess")
public void testLoginSuccess(String username, String password, String expected, String testName, string locatorId) {
    //try loggin in with username and password
    login(username,password);

    //get the text from the alert element 
    String actual = driver.findElement(By.id("logged-user-name")).getText();
    assertEquals(testName, expected, actual);
}