TestNG Annotation- Dataprovider and Test Reporting via Index.html

 

TestNG Annotation is a piece of code which is inserted inside a program or business logic used to control the flow of execution of test methods

Lets go through  few TestNG annotation

Some Basic TestNG annotation

@Before suite

@BeforeClass

@BeforeMethod

@BeforeTest

@Test

@AfterTest

@AfterMethod

@AfterClass

@AfterSuite

@BeforeSuite

You can validate them by writing the below code

public void setup(){

System.out.println("Before suite");

}

@BeforeClass

public void LaunchBrowser(){

System.out.println("Before class");

}

@BeforeMethod

public void EnterUrl(){

System.out.println("Before Method");

}

@BeforeTest

public void Login(){

System.out.println("Before Test");

}

 Priority and Groups

//priority and groups are keyword give to @test to prioritise which test annotation should be run first

priority 1 will run first then second and third so on

Keyword group will create title in index.html and the test case will open with the names of Homepage, booking checkout and login. 

@Test(priority=3,groups="Home page")

public void checkbox(){

System.out.println("Test3");

}

@Test (priority=1, groups="Booking")

public void Title(){

System.out.println("Test1");

}

@Test(priority=4,groups="checkout")

public void dropdown(){

System.out.println("Test4");

}

@Test(priority=2, groups="Login")

public void Textbox(){

System.out.println("Test2");

}

@AfterTest

public void cookies(){

System.out.println("After test");

}

@AfterMethod

public void logout(){

System.out.println("After Method");

}

@AfterClass

public void classBrowser(){

System.out.println("After class");

}

@AfterSuite

public void testreport(){

System.out.println("After suite");

}

}

Check out the result

Check out the test result in Index.html

You can check out the exceution of program  here

 

Invocation count

if you want to execute same test case 10 times then you must mention @Test(invocationCount=10)

public class TestNGbasics3 {

@Test(invocationCount=10)

public void method1(){

System.out.println("PRINTING 10 IMES");

Invocation time out and expectedExceptions

If you want a loop or infinite loop to break after 2 second of execution then you must mention

@Test(invocationTimeOut=2)

public class TestNgbasic4{

@Test(invocationTimeOut=2)

                           public void infinteloop1(){

                           int i=1;

                           while(i==1)

                                     {

                                       System.out.println("i");

                                      }

                                              }

If you want to handle exception via TestNG keyword then use  "expected Exceptions"

@Test(expectedExceptions=NumberFormatException.class)

public void test()

{

String x ="100A";

System.out.println(x);

}

                         }

Dataprovider in TestNG that allows us to pass multiple parameters to a single test in a single execution .using Dataprovider, we can easily pass multiple values to a test in just one execution cycle using DataProvider we can easily inject multiple values into the same test case. It comes inbuilt in TestNG and is popularly used in data-driven frameworks

here is the code for Data provider

public class Dataprovider

{

@Test(dataProvider = "LoginDataProvider")

     public void loginfb(String Uid,String Pwd)

        {

System.setProperty("Webdriver.chrome.driver", "chromedriver");

    WebDriver driver = new ChromeDriver();

    driver.manage().window().maximize();

    driver.manage().deleteAllCookies();

    driver.get("https://www.facebook.com");

    driver.manage().timeouts().implicitlyWait(6, TimeUnit.SECONDS);

driver.findElement(By.xpath("//input[@id='email']")).sendKeys(Uid);

driver.findElement(By.xpath("//input[@id='pass']")).sendKeys(Pwd);

driver.manage().timeouts().implicitlyWait(2, TimeUnit.SECONDS);

driver.findElement(By.xpath("//button[@type='submit']")).click();

driver.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);

          System.out.println("Username is " + Uid);

          System.out.println("Password is " + Pwd);

        }

//the data provider’s name will automatically be set to the method’s name. returns array of objects

//“Logindataprovider” is the name of the function which is passing the test data. 

     @DataProvider(name="LoginDataProvider")

     public Object[][] getData()

          {

        

         Object[][] data= new Object[3][2];

        

               data[0][0] ="user1";

               data[0][1] ="password1";

               data[1][0] ="user2";

               data[1][1] ="password1";

               data[2][0] ="user3";

               data[2][1] ="Password3";

               return data;

You can check the execution here