BeforeWithParameterSample.java

package test.parameters;

import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Parameters;
import org.testng.annotations.Test;

public class BeforeWithParameterSample {

   @BeforeMethod
   @Parameters("parameter")
   public static void beforeMethod(String parameter) {
     Assert.assertEquals(parameter, "parameter value");
   }

   @DataProvider(name = "dataProvider")
   public static Object[][] dataProvider() {
     return new Object[][]{{"abc", "def"}};
   }

   @Test(dataProvider = "dataProvider")
   public static void testExample(String a, String b) {
     Assert.assertEquals(a, "abc");
     Assert.assertEquals(b, "def");
   }
}