Null Pointer Exception in Extent Reports

[Madhurya A N]

Hi,

I am getting below null pointer exception when i run LoginTestCase, I have defined ExtentReports in base class and trying to extend it in LoginTestCase

Please suggest if i have missed anything. 

The same code is working fine if i write the extentreport method in LoginTestCase

FAILED: LoginPageTest

java.lang.NullPointerException

at com.testcases.LoginTest.LoginPageTest(LoginTest.java:84)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:135)

BaseClassCode:

public class BaseClass 

{

public static Properties prop;

public static FileInputStream fis;

public static WebDriver driver;

public static WebDriverWait wait;

public static ExtentHtmlReporter htmlreport;  

public static ExtentReports reports;

public static ExtentTest logger; 

public BaseClass() throws Throwable

{

prop = new Properties();

try 

{

fis = new FileInputStream("C:\\Users\\mna\\eclipse-workspace\\Automation\\src\\com\\config\\ConfigProperties");

} 

catch (FileNotFoundException e) 

{

e.printStackTrace();

System.out.println("File not found");

}

prop.load(fis);

}

@BeforeTest

public void SetExtentReport()

{

htmlreport = new ExtentHtmlReporter(System.getProperty("user.dir") + "/test-output/myReport.html");

htmlreport.config().setDocumentTitle("Automation Report");

htmlreport.config().setTheme(Theme.STANDARD);

reports = new ExtentReports();

reports.attachReporter(htmlreport);

logger = reports.createTest("test");

}

@AfterTest

public void endExtentReport()

{

reports.flush();

}

@AfterMethod

public void Teardown(ITestResult result) 

{

if(result.getStatus() == ITestResult.FAILURE)

{

logger.log(Status.FAIL, MarkupHelper.createLabel(result.getName() + " - Test Case Failed", ExtentColor.RED));

logger.log(Status.FAIL, "TESTCASE IS FAILED - " + result.getName());  //return the name of the method

logger.log(Status.FAIL, "TESTCASE IS FAILED - " + result.getThrowable());  // throw exception to the report

}

else if(result.getStatus() == ITestResult.SKIP)

{

logger.log(Status.SKIP, "TESTCASE IS SKIPPED - " + result.getName());

}

else if(result.getStatus() == ITestResult.SUCCESS)

{

logger.log(Status.PASS, "TESTCASE IS PASSED - " + result.getName());

}

driver.quit();

}

public static void Initalization() throws Throwable

{

    if(prop.getProperty("browser").equals("chrome"))

{

   

String Chropath = "C:\\Users\\mna\\eclipse-workspace\\Automation\\Drivers\\chromedriver.exe";

System.setProperty("webdriver.chrome.driver",Chropath);

   

   ChromeOptions chromeOptions = new ChromeOptions();

   chromeOptions.addArguments("--verbose");

   chromeOptions.addArguments("--whitelisted-ips=''");

   chromeOptions.addArguments("--proxy-server=10.196.175.100:8080");

   driver = new ChromeDriver(chromeOptions);

   wait = new WebDriverWait(driver, 40);

}

    else if(prop.getProperty("browser").equals("firefox"))

    {

    String Firepath = "C:\\Users\\mna\\eclipse-workspace\\Automation\\drivers\\geckodriver.exe";

System.setProperty("webdriver.gecko.driver",Firepath);

driver = new FirefoxDriver();

    }

    driver.get(prop.getProperty("applicationurl"));

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

    driver.manage().deleteAllCookies();

    driver.manage().timeouts().implicitlyWait(testutil.IMPLICIT_WAIT_TIMEOUT, TimeUnit.SECONDS);

    driver.manage().timeouts().pageLoadTimeout(testutil.PAGELOAD_WAIT_TIMEOUT, TimeUnit.SECONDS);

    System.out.println("Application launched successfully");

}

}

LoginTestClass:

public class LoginTest extends BaseClass

{

LoginPage loginpage;

DashboardPage dashboardpage;

ExtentHtmlReporter htmlreport;  

ExtentReports reports;

ExtentTest logger;   

public LoginTest() throws Throwable 

{

super();

}

@BeforeMethod

public void SetUp() throws Throwable

{

Initalization();

loginpage = new LoginPage();

dashboardpage = new DashboardPage();

}

@Test(priority = 0)

public void VerifyTitleTest()

{

//logger = reports.createTest("Verify Title");

String PageTitle = loginpage.VerifyPageTitle();

}

@Test(priority = 1)

public void VerifyLogoTest()

{

boolean PLogo = loginpage.VerifyLogo();

Assert.assertEquals(PLogo , true);

logger.log(Status.PASS, "Verified logo");

}

@Test(priority = 2)

public void LoginPageTest() throws Throwable

{

//logger = reports.createTest("Verify Login");

dashboardpage = loginpage.Login(prop.getProperty("username"), prop.getProperty("password"));

System.out.println("Logged in Successfully");

logger.log(Status.PASS, "Logged in successfully");

}

}

[Mansi Uppal]

HI,

In your LoginTest class, try to write this

test = extent.createTest(getClass().getSimpleName());

This should be the first line in your test method. Or you can also put this in @BeforeClass.

Failing to do so will result in NullPointerException in Extent reports.

Thanks & Regards,

Mansi Uppal

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[Villju Joseph]

Why can't u use extent reporting added in hooks.Add dependency in Pom.Also set the source for extent report point to generated json report file in target .

Thanks, 

Villju