Re: [testng-users] Exception while running testng programatically

[Krishnan Mahadevan]

Denzil,

What exactly does your input look like ?

Have you tried printing you suite as an xml and see what it looks like?

On Wednesday, March 13, 2013, DenZie wrote:

My requirement is to run the testng programatically with a provided suite provided as string parameter.

I was able to create the the virtual suite and tests adding the class and methods to it .

But when I try to run it, I am getting this exception?

Is it a known issue?

I am using testng-6.8

Exception in thread "main" java.lang.NullPointerException

at org.testng.xml.XmlTest.getIncludedGroups(XmlTest.java:135)

Please refer the code that I have.

Anyone please suggest a workaround?

public class Runner {

public TestNG tng = new TestNG();

public XmlSuite suite = new XmlSuite();

public void runSuite(XmlSuite suite) {

ArrayList<XmlSuite> suites = new ArrayList<XmlSuite>();

suites.add(suite);

tng.setXmlSuites(suites);

tng.run();

}

public void runSuite() {

ArrayList<XmlSuite> suites = new ArrayList<XmlSuite>();

suites.add(suite);

System.out.println(suite.toXml());

tng.setXmlSuites(suites);

tng.run();

}

  public static void main(String[] args) {

  Runner runner = new Runner();

  HashMap<String, String> parameters = null;

  runner.createVirtualSuite(parameters);

  runner.runSuite();

  }

  

  public void createVirtualSuite(HashMap<String,String> parameters) {

String suiteName = "Bluefin runner";

// suite.setParameters(parameters);

suite.setName(suiteName);

XmlTest test = setTestXml();

suite.addTest(test);

}

public XmlTest setTestXml() {

XmlTest xmlTest = new XmlTest();

xmlTest.setName("Bluefin Test");

HashMap<String, ArrayList<String>> testMethodMap = new HashMap<String, ArrayList<String>>();

ArrayList<String> testmethods = new ArrayList<String>();

testmethods.add("mytest");

testMethodMap.put("com.myclass", testmethods);

Set<String> stClass = testMethodMap.keySet();

Iterator<String> it = stClass.iterator();

List<XmlClass> classes = new ArrayList<XmlClass>();

while(it.hasNext()) {

String testClassName = it.next();

XmlClass xmlcls = new XmlClass(testClassName);

ArrayList<String> methodslist = testMethodMap.get(testClassName);

ArrayList<XmlInclude> methodsToRun = new ArrayList<XmlInclude>();

for(String m: methodslist) {

methodsToRun.add(new XmlInclude(m));

}

xmlcls.setIncludedMethods(methodsToRun);

classes.add(xmlcls);

xmlTest.setXmlClasses(classes) ;

}

xmlTest.setVerbose(2);

return xmlTest;

}

}

 

 

 

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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/

[DenZie]

Krishna,

Yes I tried to print the suite object which is being added to the testng object and did a console print.

it looks something like this and looks fair to me.

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

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

<suite name="Default Suite">

  <test verbose="2" name="Sample Test" preserve-order="false">

    <classes>

      <class name="package.class">

        <methods>

          <include name="method"/>

        </methods>

      </class> <!-- package.class -->

    </classes>

  </test> <!-- Sample Test -->

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

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[DenZie]

and the null point exception is happening at this code fragment which is commented as dprecated

  public List<String> getIncludedGroups() {

    List<String> result;

    if (m_xmlGroups != null) {

      result = m_xmlGroups.getRun().getIncludes();

      result.addAll(m_suite.getIncludedGroups());

    } else {

      // deprecated

      result = Lists.newArrayList(m_includedGroups);

      result.addAll(m_suite.getIncludedGroups());

    }

    return result;

  }

On Wednesday, 13 March 2013 10:26:45 UTC+5:30, Krishnan wrote:

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[Krishnan Mahadevan]

Denzil,

The problem seems to be tied down to your code.

When you create an XmlTest object you also need to ensure that you associate the XmlTest object to a particular suite using setSuite() method.

You dont seem to have done that.

Here's the code that worked for me:

package rationale.emotions;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Set;

import org.testng.TestNG;

import org.testng.xml.*;

public class Runner {

public TestNG tng = new TestNG();

public XmlSuite suite = new XmlSuite();

public void runSuite(XmlSuite suite) {

ArrayList<XmlSuite> suites = new ArrayList<XmlSuite>();

suites.add(suite);

tng.setXmlSuites(suites);

tng.run();

}

public void runSuite() {

ArrayList<XmlSuite> suites = new ArrayList<XmlSuite>();

suites.add(suite);

System.out.println(suite.toXml());

tng.setXmlSuites(suites);

tng.run();

}

  public static void main(String[] args) {

  Runner runner = new Runner();

  HashMap<String, String> parameters = null;

  runner.createVirtualSuite(parameters);

  runner.runSuite();

  }

  

  public void createVirtualSuite(HashMap<String,String> parameters) {

String suiteName = "Bluefin runner";

suite.setName(suiteName);

XmlTest test = setTestXml();

test.setSuite(suite); // This line was missing

suite.addTest(test);

}

public XmlTest setTestXml() {

XmlTest xmlTest = new XmlTest();

xmlTest.setName("Bluefin Test");

HashMap<String, ArrayList<String>> testMethodMap = new HashMap<String, ArrayList<String>>();

ArrayList<String> testmethods = new ArrayList<String>();

testmethods.add("foo");

testMethodMap.put("rationale.emotions.MyTestClass", testmethods);

Set<String> stClass = testMethodMap.keySet();

Iterator<String> it = stClass.iterator();

List<XmlClass> classes = new ArrayList<XmlClass>();

while(it.hasNext()) {

String testClassName = it.next();

XmlClass xmlcls = new XmlClass(testClassName);

ArrayList<String> methodslist = testMethodMap.get(testClassName);

ArrayList<XmlInclude> methodsToRun = new ArrayList<XmlInclude>();

for(String m: methodslist) {

methodsToRun.add(new XmlInclude(m));

}

xmlcls.setIncludedMethods(methodsToRun);

classes.add(xmlcls);

xmlTest.setXmlClasses(classes) ;

}

xmlTest.setVerbose(2);

return xmlTest;

}

}

Here's the output:

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

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

<suite name="Bluefin runner">

  <test verbose="2" name="Bluefin Test">

    <classes>

      <class name="rationale.emotions.MyTestClass">

        <methods>

          <include name="foo"/>

        </methods>

      </class> <!-- rationale.emotions.MyTestClass -->

    </classes>

  </test> <!-- Bluefin Test -->

</suite> <!-- Bluefin runner -->

[TestNG] Running:

  Command line suite

foo says hello

PASSED: foo

===============================================

    Bluefin Test

    Tests run: 1, Failures: 0, Skips: 0

===============================================

===============================================

Bluefin runner

Total tests run: 1, Failures: 0, Skips: 0

===============================================

[TestNG] Time taken by org.testng.reporters.XMLReporter@59c9b9ca: 16 ms

[TestNG] Time taken by org.testng.reporters.EmailableReporter2@33bfc93a: 5 ms

[TestNG] Time taken by org.testng.reporters.jq.Main@3daa57fb: 45 ms

[TestNG] Time taken by org.testng.reporters.JUnitReportReporter@7ca3d4cf: 3 ms

[TestNG] Time taken by org.testng.reporters.SuiteHTMLReporter@2d20cc56: 28 ms

[TestNG] Time taken by [FailedReporter passed=0 failed=0 skipped=0]: 1 ms

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/

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