[Bael-7734] Add Examples

testing-modules/testng-2/src/test/java/com/baeldung/testng/DataDrivenNameTest.java

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+package com.baeldung.testng;
+
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+
+import static org.testng.Assert.assertEquals;
+
+public class DataDrivenNameTest {
+
+    @BeforeMethod
+    public void capture(Method method, Object[] params) {
+        String testName = method.getName() + Arrays.toString(params);
+        System.out.println("→ " + testName);
+    }
+
+    @Test(dataProvider = "numbers")
+    public void shouldSquare(int input, int expected) {
+        assertEquals(Math.pow(input, 2), expected);
+    }
+
+    @DataProvider
+    public Object[][] numbers() {
+        return new Object[][]{{2, 4}, {3, 9}};
+    }
+}

testing-modules/testng-2/src/test/java/com/baeldung/testng/FactoryNameTest.java

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+package com.baeldung.testng;
+
+import org.testng.ITestResult;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Factory;
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Method;
+
+public class FactoryNameTest {
+    private final String instanceLabel;
+
+    public FactoryNameTest(String label) {
+        this.instanceLabel = label;
+    }
+
+    @Factory
+    public static Object[] build() {
+        return new Object[]{new FactoryNameTest("fast-path"), new FactoryNameTest("slow-path")};
+    }
+
+    @BeforeMethod
+    public void capture(Method method, ITestResult result) {
+        String fullName = method.getName() + "[" + instanceLabel + "]";
+        result.setAttribute("displayName", fullName);
+        System.out.println("→ " + fullName);
+    }
+
+    @Test
+    public void executeScenario() { /* … */ }
+}

testing-modules/testng-2/src/test/java/com/baeldung/testng/NameByReflectionTest.java

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+package com.baeldung.testng;
+
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Method;
+
+public class NameByReflectionTest {
+
+    @BeforeMethod
+    public void capture(Method method) {
+        String testName = method.getName();
+        System.out.printf("→ About to run %s%n", testName);
+    }
+
+    @Test
+    public void shouldPersistEntity() { /* … */ }
+}

testing-modules/testng-2/src/test/java/com/baeldung/testng/NameByResultTest.java

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+package com.baeldung.testng;
+
+import org.testng.ITestResult;
+import org.testng.annotations.BeforeMethod;
+
+public class NameByResultTest {
+
+    @BeforeMethod
+    public void capture(ITestResult result) {
+        String testName = result.getMethod().getMethodName();
+        long startTime = result.getStartMillis();
+        log(testName, startTime);
+    }
+
+    public void log(String testName, long startTime) {
+
+    }
+}

testing-modules/testng-2/src/test/java/com/baeldung/testng/NameByXmlSuite.java

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+package com.baeldung.testng;
+
+import org.testng.ITestContext;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+public class NameByXmlSuite {
+
+    @BeforeTest
+    public void xmlName(ITestContext ctx) {
+        System.out.println("XML test: " + ctx.getName());
+    }
+
+    @Test
+    public void foo() {
+
+    }
+}