How to pass different data providers for single method and controlled by parameters

[Om Prakash]

Hi 

I want to use the data provider based on passing the parameter  through XML on single test method. 

for example 

@Test(dataprovider='')

@Parameters("usertype")

method(){

}

if i pass data provider as admin it should take DataProvider1 and if i pass user type as sub level it should take DataProvider2 .

Can any one help to me.

Thanks & Regards

OmPrakash

[Krishnan Mahadevan]

This is how you can do it :

1 You would need to ensure that your test method now basically accepts a parameter of type Object

2. You would be providing the data provider of your choice via the JVM argument [ -Ddp in this case]

3. You need an annotation transformer to get the job done.

Code :

package org.rationale.emotions.testng;

import java.lang.reflect.Constructor;

import java.lang.reflect.Method;

import org.testng.IAnnotationTransformer;

import org.testng.annotations.DataProvider;

import org.testng.annotations.ITestAnnotation;

import org.testng.annotations.Test;

public class ParameterizedDataProvider {

    @Test(dataProvider = "dates")

    public void f(Object data) {

        if (data instanceof MyDate) {

            System.out.println("Printing date");

            System.out.println(((MyDate) data).getDateInformationToPrint());

        }

        if (data instanceof Student) {

            System.out.println("Printing student information");

            System.out.println(((Student) data).getStudentInformation());

        }

    }

    @DataProvider(name = "dates")

    public Object[][] dp() {

        return new Object[][] { { new MyDate(1, 1, 2011) }, { new MyDate(1, 1, 1989) } };

    }

    @DataProvider(name = "students")

    public Object[][] anotherdp() {

        return new Object[][] { { new Student("Bob", 1) }, { new Student("Jimmy", 2) } };

    }

    public static class MyDate {

        private int day, month, year;

        public MyDate(int day, int month, int year) {

            this.day = day;

            this.month = month;

            this.year = year;

        }

        public String getDateInformationToPrint() {

            return day + "-" + month + "-" + year;

        }

    }

    public static class Student {

        private String name;

        private int rollNumber;

        public Student(String name, int rollNumber) {

            this.name = name;

            this.rollNumber = rollNumber;

        }

        public String getStudentInformation() {

            return name + "," + rollNumber;

        }

    }

    public static class MyParser implements IAnnotationTransformer {

        @SuppressWarnings("rawtypes")

        @Override

        public void transform(ITestAnnotation annotation, Class testClass, Constructor testConstructor,

                Method testMethod) {

            System.out.println("Invoked");

            String dataProviderName = System.getProperty("dp");

            System.out.println("Data Provider Name " + dataProviderName);

            if (dataProviderName == null || dataProviderName.trim().isEmpty()) {

                return;

            }

            annotation.setDataProvider(dataProviderName);

        }

    }

}

Suite XML File:

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

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

<suite name="Suite" parallel="false">

<listeners>

<listener

class-name="org.rationale.emotions.testng.ParameterizedDataProvider$MyParser" />

</listeners>

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

<classes>

<class name="org.rationale.emotions.testng.ParameterizedDataProvider" />

</classes>

</test> <!-- Test -->

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

 mvn test -DtestSuite=parameterizedDataProvider.xml [ Using the default data provider]

-------------------------------------------------------

 T E S T S

-------------------------------------------------------

Running TestSuite

Invoked

Data Provider Name null

Printing date

1-1-2011

Printing date

1-1-1989

PASSED: f(org.rationale.emotions.testng.ParameterizedDataProvider$MyDate@255e4373)

PASSED: f(org.rationale.emotions.testng.ParameterizedDataProvider$MyDate@4f9e462f)

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

    Test

    Tests run: 2, Failures: 0, Skips: 0

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

mvn test -DtestSuite=parameterizedDataProvider.xml -Ddp=students [ Changing the data provider via JVM arguments]

-------------------------------------------------------

 T E S T S

-------------------------------------------------------

Running TestSuite

Invoked

Data Provider Name students

Printing student information

Bob,1

Printing student information

Jimmy,2

PASSED: f(org.rationale.emotions.testng.ParameterizedDataProvider$Student@2011e07f)

PASSED: f(org.rationale.emotions.testng.ParameterizedDataProvider$Student@75a9c24b)

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

    Test

    Tests run: 2, Failures: 0, Skips: 0

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

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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[Om Prakash]

Thank you Krishnan for your reply.

I have one more idea for selection of data provider .

It is almost like u told but we are passing all data providers in to methods and using our required by passing a key value.

I hope this will work.

Thank you.

[Om Prakash]

Thank you Krishnan for your reply.

I have one more idea for selection of data provider .

It is almost like u told but we are passing all data providers in to methods and using our required by passing a key value.

I hope this will work.

Like bellow 

@Test(dataprovider=dp1,dp2,dp3'')

@Parameters("usertype")

method(dp1,dp2,dp3){

if(usertype.contains("A")){

dp=dp1;

}

if(usertype.contains("B")){

dp=dp2;

}

[Om Prakash]

Like this possible?

[Om Prakash]

can any one help to this this .

here data providers are contain same type.

Regards

omprakash

[Krishnan Mahadevan]

You were already given one solution here right ? Does that not 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/

To view this discussion on the web visit https://groups.google.com/d/msgid/selenium-users/dfdaf0dc-eba2-48a7-8aa5-dbafffab40a1%40googlegroups.com.

[Om Prakash]

Its not working because we can't pass more than single data provider .

Regards
Omprakash

[Om Prakash]

I am trying in this way but unable to execute.

private static final String logindata = null;

@BeforeClass(alwaysRun=true) 

@Parameters({"browser","user"})

public void setUp(@Optional("firefox") String browser, @Optional ("admin") String user) {

if(userType.equalsIgnoreCase("admin")){

final String logindata = "loginData";

}

else if(userType.equalsIgnoreCase("superviser")){

final String logindata = "superviser";

}

}

}

@Test(dataProviderClass = LoginDP.class, dataProvider = logindata)

public void login(LoginDP logindp) throws InterruptedException {

//Login code

[Krishnan Mahadevan]

Why do you believe that this query has anything to do with WebDriver/Selenium ?

I suggest that you please post this query on the TestNG forum.

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/ec0ddd2f-75dc-45ea-9ba5-2b10fb77712f%40googlegroups.com.