Need Help Parrel Cross Browser Testing

[Lokenath Ghosh]

Hi,

I want to do cross browser(chrome and Firefox) parallel execution in two different machines using Selenium Grid, TestNG,Selenium Webdriver.  As my code is not  supporting multithreading ,One of the excfution is stopped and another execution is successfully completed. Please suggest What I should do for parallel test excution.

My Java  Code:

@Parameters("browser")
       
        @BeforeTest
        public void  SetupBrowser(String browser) throws MalformedURLException
        {
           
            DesiredCapabilities capability=null;
            String baseurl="http://10.195.7.71:8080/application/";
            String    nodeurl="http://10.195.11.167:5566/wd/hub";
              
                if (browser.equalsIgnoreCase("chrome"))
                {
                  
                    System.setProperty("webdriver.chrome.driver", "\\10.195.11.167\\c$\\Program Files (x86)\\Google\\Chrome\\Applicationchromedriver.exe");
                    capability =  DesiredCapabilities.chrome();
                    capability.setBrowserName("chrome");
                    capability.setPlatform(Platform.VISTA);
                    
                }
           
               
                if(browser.equalsIgnoreCase("firefox"))
                {
                
                     capability =  DesiredCapabilities.firefox();
                    capability.setBrowserName("firefox");
                    capability.setPlatform(Platform.VISTA);
                 
                }
                driver=new RemoteWebDriver(new URL(nodeurl),capability);
                driver.get("http://10.195.7.71:8080/application/");


TestNG XML:


<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Suite" parallel="tests"  thread-count="2" >
<test name="Chrome" >
    <parameter name="browser" value="chrome"></parameter>
    <classes>
      <class name="com.lexmark.testclass.TestARR"/>
    </classes>
  </test>

  <test name="FireFox" >
  <parameter name="browser" value="firefox"></parameter>
    <classes>
      <class name="com.lexmark.testclass.TestARR"/>
    </classes>
  </test> <!-- Test -->
 
   
 
</suite> <!-- Suite -->

[Krishnan Mahadevan]

You might want to take a look at this post of mine : https://rationaleemotions.wordpress.com/2013/07/31/parallel-webdriver-executions-using-testng/

It should help you get started .

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

My Technical Scribbings @ http://rationaleemotions.wordpress.com/

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[Lokenath Ghosh]

Hi Krishnan,

Thank you for giving input.I have tried this before, but it is not worked for me. It is for parallel methods executing. But in my case , I want to run my user journey into two different browser in parallel( parallel="tests" ).

[Krishnan Mahadevan]

Lokenath,

You should still be able to extend the concept that I talk about in my blog post and get it done.

Parallelism mechanism [ instance/class/methods/tests] has got nothing to do with the approach.

So if you are sure that for a given <test> tag there will be the need to have just 1 browser you just need to make modifications slightly and this would still work for you.

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

My Technical Scribbings @ http://rationaleemotions.wordpress.com/

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[Lokenath Ghosh]

I am getting null in method.getTestMethod().getXmlTest(). Code is below. Please provide the solution

package com.lexmark.functionlibrary;

import org.openqa.selenium.WebDriver;

import org.testng.IInvokedMethod;

import org.testng.IInvokedMethodListener;

import org.testng.ITestResult;

 

public class WebDriverListener implements IInvokedMethodListener {

 

    @Override

    public void beforeInvocation(IInvokedMethod method , ITestResult testResult)  {

  // System.out.println("kolkat"+!method.isTestMethod());

        if (!method.isTestMethod()) {

       

       

String browserName = method.getTestMethod().getXmlTest().getLocalParameters().get("browserName");

       

        // String browserName = method.

        // System.out.println("kolkat"+browserName);

            WebDriver driver = LocalDriverFactory.createInstance(browserName);

            LocalDriverManager.setWebDriver(driver);

        }

    }

 

    @Override

    public void afterInvocation(IInvokedMethod method, ITestResult testResult) {

        if (!method.isTestMethod()) {

            WebDriver driver = LocalDriverManager.getDriver();

            if (driver != null) {

                driver.quit();

            }

        }

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">

<!-- <suite name="Suite" parallel="tests" thread-count="2"> -->

<suite name="Suite">

<listeners>

<listener class-name="com.lexmark.functionlibrary.WebDriverListener"></listener>

</listeners>

<test name="Chrome" >

 <parameter name="browserName" value="chrome"></parameter>

 <classes>

   <class name="com.lexmark.testclass.TestARR"/>

 </classes>

</test> 

  <test name="FireFox" >

  <parameter name="browserName" value="firefox"></parameter>

    <classes>

      <class name="com.lexmark.testclass.TestARR"/>

    </classes>

  </test> 

  

    

  

</suite> <!-- Suite -->

@Parameters("browserName")

@BeforeTest

public void  lauchurl(String url) throws InterruptedException

{

//System.out.println("chalche"+LocalDriverManager.getDriver());

LocalDriverManager.getDriver().get("http://10.195.7.71:8080/application/");

//Thread.sleep(10000);

//System.out.println("chalche"+LocalDriverManager.getDriver());

takescreenshot= new TakeScreenshot();

}

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Regards,

 Lokenath Ghosh

(+91)9830982709

[Krishnan Mahadevan]

What solution are you looking for ?

I shared a blog post of mine which contains working code.

if (!method.isTestMethod()) {  <---- Why is this line checking if the method is NOT a TEST METHOD and then trying to create a webdriver instance ?

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

My Technical Scribbings @ http://rationaleemotions.wordpress.com/

To view this discussion on the web visit https://groups.google.com/d/msgid/selenium-users/CAH7HaKLjHvMFFCEUvajNG340M6pZMe%2BA6CqMZyDvT%3DH-iu9MsQ%40mail.gmail.com.

[Lokenath Ghosh]

I want to initiate my webdriver in @BeforeTest tag. Thats why I was using  (!method.isTestMethod()). I f i use in method.isTestMethod() tag it will a new instance every when I call @test classes.

I am looking the scenario which consists look like like this:

TestNG.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">

<suite name="Suite" parallel="tests" thread-count="2">

<listeners>

<listener class-name="com.lexmark.functionlibrary.WebDriverListener"></listener>

</listeners>

<test name="Chrome" >

 <parameter name="browserName" value="chrome"></parameter>

 <classes>

   <class name="com.lexmark.testclass.TestARR"/>

 </classes>

</test> 

  <test name="FireFox" >

  <parameter name="browserName" value="firefox"></parameter>

    <classes>

      <class name="com.lexmark.testclass.TestARR"/>

    </classes>

  </test> 

</suite> <!-- Suite -->

Code:

@BeforeTest

//call the webdriver

@Test

\\ do something

@Test

\\ do something

@Test

\\ do something

@Test

\\ do something

@Test

\\ do something

@AfterTest

//quit the webdriver

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[Krishnan Mahadevan]

I would suggest that you please spend some time with TestNG before you take this any further.

TestNG provides you a guarantee that only the beforeInvocation() > test/configuration method > afterInvocation() will run in the same thread. 

For all other cases there is NO GUARANTEE whatsoever that they all will run in the same thread.

The solution that I posted in the blog post relies on the guarantee that TestNG provides for beforeInvocation/test (or) config method/after invocation scenario.

So its never going to work for what you are trying to do.

I still DONT understand why do you want to create a webdriver instance in an @BeforeTest ?? Do you realize that what you are essentially instructing TestNG to do is to create only 1 webdriver instance per <test> tag ?

In that case, do you also realize that there can be chances of multiple @Test annotated test methods trying to do different UI scenarios on the same web browser ?

Why would you want to do this ?

My word of advice : Please take some time to get a good feel of TestNG and then give this a shot.

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

My Technical Scribbings @ http://rationaleemotions.wordpress.com/

To view this discussion on the web visit https://groups.google.com/d/msgid/selenium-users/CAH7HaKLwV2Z9jOv%3DPWNkgMtmOUthseuQFW376zmWowgU%2BVoeew%40mail.gmail.com.