Parallel execution of tests using selenium grid testng

Question

I have 5 to 6 methods in a class and want to run methods in parallel on different nodes. I have grid 2 setup with 4 nodes in it.

Find below my testng.xml

<suite name="Test" parallel="methods"  thread-count="2">

    <test name="Test1">
        <classes>
             <class name="test.LoginTest"/>
        </classes>
    </test>

</suite>

I have a test harness, which intilizes login, common and utils class

Public class TestHarness{
public WebDriver driver = null;
public DesiredCapabilities cap = null;

public Login login;
public Common common;
    public void initilize(){
        cap = DesiredCapabilities.firefox();
                cap.setBrowserName("firefox");
                cap.setPlatform(Platform.ANY);
        driver = new RemoteWebDriver(new URL(CONFIG.getProperty("hub")),cap);

        common = new Common(driver);
        login = new Login(driver);
        utils = new Utils(driver);

    }

}

In my test class I extend the test harness and in @BeforeMethod I call the intilize method

public class LoginTest extends TestHarness{

    @BeforeMethod
    public void startTest() {

        initilize();
        login.loginAsAdmin();
    }

    @Test
    public void testLoginWithCorrectPassword(){
        common.goToAdminSettings();
    }

    @Test
    public void testLoginwithInCorrectPassword(){
        utils.getMessage();
    }
}

If I run the testing, I see the following problem

Two browsers are opening one in each node but only one browser launches the application and the other doesn't.

Let me know if I am missing anything?

Thank You

try this: testingbot.com/support/getting-started/parallel-junit.html — Urban48
– Urban48, Commented Jan 19, 2015 at 14:01

djangofan · Accepted Answer · 2015-01-19 15:49:27Z

1

1) are you sure you are running right test class?

<class name="test.LoginTest"/>

your tests are in:

public class Testing123 extends TestHarness{

2) Your code does not show declaration of driver. Make sure this field is not static

3) Also, check what the grid is actually configured to handle: http://localhost:4444/grid/admin/AllNodes

4) Raise the thread count in your testing config to 4.

edited Jan 19, 2015 at 15:49

djangofan

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answered Jan 19, 2015 at 14:22

Piotr Boho

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2 Comments

Leo Over a year ago

1,The actual test name is LoginTest. It was just a typo.

Leo Over a year ago

2, I have excluded the decaration for simplicity. Updated the question now.

Piotr Boho · Accepted Answer · 2015-01-19 16:32:31Z

1

even the driver is non static it is shared between test methods because they are invoked from the same class instance

let's put the test methods to separate classes

a) move @BeforeMethod to TestHarness class

b) create

public class LoginTest2 exteds TestHarness

and move second @Test method there

c) modify suite:

<suite name="Test" parallel="classes"  thread-count="2">

<test name="Test1">
    <classes>
         <class name="test.LoginTest"/>
         <class name="test.LoginTest2"/>
    </classes>
</test>

If this will help the ultimate solution can be ThreadLocal as here:

parallel-webdriver-executions-using-testng

answered Jan 19, 2015 at 16:32

Piotr Boho

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1 Comment

Leo Over a year ago

Thanks for your comment. Since there are lots of test methods, I can't create classes for each test method. Also I will try to use ThreadLocal and let you know.

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