ClassSample.java

package test.dataprovider;

import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Factory;
import org.testng.annotations.Test;
import org.testng.internal.ConstructorOrMethod;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

public class ClassSample {

    String s;

    @Factory(dataProvider = "dp1")
    public ClassSample(String s) {
        this.s = s;
    }

    @DataProvider(name = "dp1")
    public static Object[][] createData1(Class clazz) {
        Assert.assertEquals(clazz, ClassSample.class);
        return new Object[][]{{"0"}, {"1"}};
    }

    @Test
    public void test1() {
    }

    @DataProvider(name = "dp2")
    public Object[][] createData2(Class clazz) {
        Assert.assertEquals(clazz, ClassSample.class);
        return new Object[][]{{"Cedric" + s}, {"Alois" + s}};
    }

    @Test(dataProvider = "dp2")
    public void test2(String s) {
    }
}