I am running my Cucumber suite tests with TestNG (Selenium + Java) and getting java.lang.NullPointerException.
I realized the problem is that my #BeforeTest() is being ignored for some reason causing the NullPointer problem.
I am using the TestNG 7.0.0 (but tried to use latest Beta also).
#BeforeTest()
public void setUp() {
driver = Web.createChrome(); // it call a method that has the Chromedriver
}
Web.java
public class Web {
public static WebDriver createChrome() {
System.setProperty("webdriver.chrome.driver", webdriver_path);
WebDriver driver = new ChromeDriver();
driver.manage().window().maximize();
driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
driver.get("http://the-internet.herokuapp.com/");
return driver;
}
}
Output
java.lang.NullPointerException
at br.dsanders.steps.steps.accessing_the_Tnternet_herokuapp_com_website(steps.java:62)
at ?.Given accessing the Tnternet.herokuapp.com website(testing.feature:9)
Try like below:
public class steps {
WebDriver driver = null;
public steps() {
this.driver=Web.createChrome();
}
#BeforeMethod()
public void setUp() {
driver.get("http://the-internet.herokuapp.com/");
}
}
Note ClassName here is steps if you have other class name then change the class name and constructor name.
Change the #BeforeTest to #BeforeMethod
Source:
What is the difference between BeforeTest and BeforeMethod in TestNG
Related
I have 3 test methods using driver from Base class. I tired to run these methods in parallel but getting failures. Reponse to my problem is appreciated. Thanks
Class having 3 test methods
public class TestCases extends BaseClass {
#Test
public void Test1() {
homePage.checkIfElementIsDisplayed(homePage.emailElement);
homePage.checkIfElementIsDisplayed(homePage.passwordElement);
homePage.checkIfElementIsDisplayed(homePage.signInElement);
homePage.emailElement.sendKeys("karteek#gmail.com");
homePage.passwordElement.sendKeys("******");
}
#Test
public void Test2() {
homePage.checkValuesInListGroup();
homePage.checkSecondListItem();
homePage.checkSecondListItemBadgeValue();
}
#Test
public void Test3() throws InterruptedException {
homePage.ScrolltotheElement(homePage.dropDownOption);
homePage.checkDefaultSelectedValue();
homePage.selectOption3();
}
}
Base Class
public class BaseClass {
public WebDriver driver;
public HomePage homePage;
public WebDriver setup() throws IOException {
Properties prop = new Properties();
FileInputStream fis = new FileInputStream(
System.getProperty("user.dir") + "\\src\\main\\resource\\GlobalData.Properties");
prop.load(fis);
String browserName = System.getProperty("browser") != null ? System.getProperty("browser")
: prop.getProperty("browser");
if (browserName.contains("chrome")) {
WebDriverManager.chromedriver().setup();
driver = new ChromeDriver();
}
else if (browserName.contains("edge")) {
WebDriverManager.edgedriver().setup();
driver = new EdgeDriver();
} else if (browserName.contains("firefox")) {
WebDriverManager.firefoxdriver().setup();
driver = new FirefoxDriver();
}
driver.manage().timeouts().implicitlyWait(Duration.ofSeconds(10));
driver.manage().window().maximize();
return driver;
}
#BeforeMethod
public HomePage LaunchApplication() throws IOException {
driver = setup();
homePage = new HomePage(driver);
homePage.goTo();
return homePage;
}
#AfterMethod
public void tearDown() throws IOException {
driver.close();
}
I tried creating ThreadLocal Class for WebDriver as
ThreadLocal<WebDriver> threadSafeDriver=new ThreadLocal<WebDriver>();
and use this in setup() method of BaseClass by writing
threadSafeDriver.set(driver);
but this didnot really help
Most likely you are using the TestNG framework. One of the differences between JUnit and TestNG is that JUnit creates a new class instance for each test method by default but TestNG creates a single instance for all test methods in the class.
You can see the parallel option in TestNG suite (see docs) but there is no way to force TestNG to create a new instance for each test.
The simplest solution is to switch to JUnit framework. Then the code from the example should work.
While using selenium with java, WebdriverManager is not running and the below code is giving null pointer exception. I have returned the driver at end of class.
I have one ask whether should I keep the Webdriver driver as static or not.
import io.github.bonigarcia.wdm.WebDriverManager;
public class Browserselector {
public WebDriver driver;
public static Properties prop;
public WebDriver initializeDriver() throws IOException {
{
String browserName = "firefox";
System.out.println(browserName);
if (browserName.contains("Chrome")) {
WebDriverManager.chromedriver().setup();
driver = new ChromeDriver();
} else if (browserName.contains("IE")) {
WebDriverManager.iedriver().setup();
driver = new InternetExplorerDriver();
} else if (browserName.contains("FireFox")) {
WebDriverManager.firefoxdriver().setup();
driver = new FirefoxDriver();
} else if (browserName.contains("EDGE")) {
WebDriverManager.edgedriver().setup();
driver = new EdgeDriver();
}
}
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
driver.manage().window().maximize();
driver.get("google.com");
return driver;
}
}
Thanks for your help in advance.
you are trying to start "firefox" - but the if condition checks for "Firefox", if you want to use it like that change the following condition
browserName.contains("FireFox")
into
browserName.equalsIgnoreCase("FireFox")
I recommend you to change the nested if with a "switch" it's more readable and easy to follow/understand
Also, don't use a URL without specifying the protocol
driver.get("https://www.google.com");
I have a couple issues when I run the test with edge web browser.
The first issue is that every time I run the test by run as > testng test , the automation will close all the existing open edge web browser and then it will open a brand new edge browser but it is blank (could not load the url)
The second issue is that the automation would only load the url if I manually close all of the existing edge browser.
Is there a way to fix these issues? please help me thank you in advance.
Here is my code
public class OpenThePageUsingEdge {
public String baseUrl = "https://catalog-qa.baylorgenetics.com/search";
String driverPath = "C:\\Eclipse\\MicrosoftWebDriver.exe";
public WebDriver driver ;
//initiate NameofInsured as the GenerateData class
//GenerateData NameOfAddrecipients;
#BeforeTest
public void setup(ITestContext ctx) {
TestRunner runner = (TestRunner) ctx;
runner.setOutputDirectory("J:\\zzQA Selenium Automation Suite\\Test Results");
}
#Test
public void openThePageusingEdge () throws InterruptedException {
System.out.println("launching Edge browser");
System.setProperty("webdriver.edge.driver", driverPath);
driver = new EdgeDriver();
driver.get(baseUrl);
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
I am trying to create a framework(Selenium+TestNg+java) for a Web app(The environment is MacOs+ChromeDriver and the driver server is in \usr\local\bin) but got stuck in basic structure. I have a class(Driversetup.java) that starts the browser, another one that contains WebElements and methods(ProfileUpdateObjects.java) and the third one containing test methods. Now, when I try to run this TestNG class having just a single method, I get following exception.
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at org.openqa.selenium.support.PageFactory.instantiatePage(PageFactory.java:138).
Below is the code (All the classes are in different packages).
public class ProfileUpdateTest {
#Test(enabled = true, priority = 1)
public void profileUpdate() throws MalformedURLException, InterruptedException, ParseException {
WebDriver driver = DriverSetup.startBrowser("chrome");
ProfileUpdateObjects pu = PageFactory.initElements(driver, ProfileUpdateObjects.class);
pu.navigateProfile();
}
}
The code for ProfileUpdateObject class
public class ProfileUpdateObjects {
WebDriver driver;
public ProfileUpdateObjects(WebDriver cdriver) {
this.driver = cdriver;
}
#FindBy(xpath = " //div[#class='ico-menu']")
private WebElement menu;
#FindBy(xpath = "//a[#title='My Dashboard']")
private WebElement myDashboard;
#FindBy(xpath = " //a[contains(text(),'View Profile')]")
public WebElement profile;
#FindBy(xpath = "//li[contains(text(),'Permanent Address')]")
private WebElement permanentAddress;
#FindBy(xpath = "//li[contains(text(),'Banking Information')]")
private WebElement bankingInformation;
WebDriverWait waitfor = new WebDriverWait(driver, 2000);
public void navigateProfile() throws InterruptedException {
menu.click();
profile.click();
waitfor.until(ExpectedConditions.visibilityOf(permanentAddress));
}
}
DriverSetup.java
public class DriverSetup {
public static WebDriver driver;
public static WebDriver startBrowser(String browserName, String url) {
if (browserName.equalsIgnoreCase("chrome")) {
driver = new ChromeDriver();
}
driver.manage().window().maximize();
driver.get(url);
return driver;
}
}
It is failing in pu.navigateProfile() call. Also, is it true that #FindBy takes more memory compared to driver.find() syntax and besides POM are there any other design principles for Automation framework because most of the resources over Web are one or the other implementation of POM.
Simple solution is to move new WebDriverWait. It should not be instantiated as instance variable.
Instead of:
WebDriverWait waitfor = new WebDriverWait(driver, 2000);
public void navigateProfile() throws InterruptedException {
menu.click();
profile.click();
waitfor.until(ExpectedConditions.visibilityOf(permanentAddress));
}
Use:
public void navigateProfile() {
menu.click();
profile.click();
new WebDriverWait(driver, 2000).until(ExpectedConditions.visibilityOf(permanentAddress));
}
This will solve your issue (Already tested it)
I am new to phantomjs driver, I need to run my script in background using phantomjs headless driver.
Here is my code i am getting null-pointer exception.
currently am using selenium 2.32,testNG,phantomjs jar 1.0.3
public class PhantomjsDemo {
public WebDriver driver;
#BeforeMethod
public void setup(){
DesiredCapabilities caps = new DesiredCapabilities();
caps.setJavascriptEnabled(true);
caps.setCapability("takesScreenshot", true);
caps.setCapability(PhantomJSDriverService.PHANTOMJS_EXECUTABLE_PATH_PROPERTY,"C:\\phantomjs-1.9.2-windows\\phantomjs.exe");
WebDriver driver = new PhantomJSDriver(caps);
driver.get("www.google.com");
}
#Test
public void google(){
driver.findElement(By.xpath("//*[#id='gbqfba']")).getText();
driver.findElement(By.xpath("//*[#id='gbqfba']")).getSize().getHeight();
driver.findElement(By.xpath("//*[#id='gbqfba']")).getSize().getWidth();
driver.findElement(By.xpath("//*[#id='gbqfba']")).click();
}
#AfterMethod
public void close(){
driver.quit();
}
}
You are not initializing your Webdriver member variable in the setup() method, but a method variable:
WebDriver driver = new PhantomJSDriver(caps);
Change it to
this.driver = new PhantomJSDriver(caps);
and the NPE should go away.