How to use JUnit3Test class of org.testng.junit package

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...5/​**6 *7 * @author lukas8 */​9public class JUnit3TestRecognizer implements JUnitTestRecognizer {10 public JUnit3TestRecognizer() {11 }12 public boolean isTest(Class c) {13 /​/​class implementing junit.framework.Test with at least one test* method14 if (Test.class.isAssignableFrom(c)) {15 boolean haveTest = false;16 for (Method m : c.getMethods()) {17 if (m.getName().startsWith("test")) {18 haveTest = true;19 break;20 }21 }22 if (haveTest) {23 return true;24 }...

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...5/​**6 *7 * @author lukas8 */​9public class JUnit3TestMethod extends JUnitTestMethod {10 public JUnit3TestMethod(JUnitTestClass owner, Test test) {11 super(owner, getMethod(test), test);12 }13 private static Method getMethod(Test t) {14 String name = null;15 try {16 Method nameMethod = t.getClass().getMethod("getName");17 name = (String) nameMethod.invoke(t);18 return t.getClass().getMethod(name);19 } catch (Throwable th) {20 Utils.log("JUnit3TestMethod", 2,21 "Method '" + name + "' not found in class '" + t + "': " + th.getMessage());22 return null;23 }24 }25}...

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...3/​**4 *5 * @author lukas6 */​7public class JUnit3TestClass extends JUnitTestClass {8 public JUnit3TestClass(Test test) {9 super(test.getClass());10 }11}...

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JUnit3Test

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1package org.testng.junit;2import junit.framework.*;3import org.testng.*;4import org.testng.annotations.*;5public class JUnit3Test extends TestCase {6 public void test1() {7 Assert.assertEquals(1, 1);8 }9 public void test2() {10 Assert.assertEquals(1, 1);11 }12}13package org.testng.junit;14import junit.framework.*;15import org.testng.*;16import org.testng.annotations.*;17public class JUnit3TestSuite extends TestCase {18 public static Test suite() {19 TestSuite suite = new TestSuite();20 suite.addTest(new JUnit3Test("test1"));21 suite.addTest(new JUnit3Test("test2"));22 return suite;23 }24}25package org.testng.junit;26import junit.framework.*;27import org.testng.*;28import org.testng.annotations.*;29public class JUnit3TestWithFactory extends TestCase {30 private int m_value;31 public JUnit3TestWithFactory(String name) {32 super(name);33 }34 public void setValue(int value) {35 m_value = value;36 }37 public void test() {38 Assert.assertEquals(m_value, 1);39 }40}41package org.testng.junit;42import junit.framework.*;43import org.testng.*;44import org.testng.annotations.*;45public class JUnit3TestWithFactory extends TestCase {46 private int m_value;47 public JUnit3TestWithFactory(String name) {48 super(name);49 }50 public void setValue(int value) {51 m_value = value;52 }53 public void test() {54 Assert.assertEquals(m_value, 1);55 }56}57package org.testng.junit;58import junit.framework.*;59import org.testng.*;60import org.testng.annotations.*;61public class JUnit3TestWithFactory extends TestCase {62 private int m_value;63 public JUnit3TestWithFactory(String name) {64 super(name);65 }66 public void setValue(int value) {67 m_value = value;68 }69 public void test() {70 Assert.assertEquals(m_value, 1);71 }72}73package org.testng.junit;74import junit.framework.*;75import org.testng.*;76import org.testng.annotations.*;77public class JUnit3TestWithFactory extends TestCase {78 private int m_value;

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JUnit3Test

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1package org.testng.junit;2import junit.framework.Test;3public class JUnit3Test extends JUnit3TestClassRunner {4 public JUnit3Test(Class testClass, Test test) {5 super(testClass, test);6 }7}8package org.testng.junit;9import org.junit.runner.notification.RunNotifier;10import org.junit.runners.model.InitializationError;11public class JUnit4Test extends JUnit4TestClassRunner {12 public JUnit4Test(Class testClass, RunNotifier notifier) throws InitializationError {13 super(testClass, notifier);14 }15}16package org.testng.junit;17import org.junit.runner.notification.RunNotifier;18import org.junit.runners.model.InitializationError;19public class JUnitTestClassRunner extends JUnitTestClassRunnerBase {20 public JUnitTestClassRunner(Class testClass) throws InitializationError {21 super(testClass);22 }23 public JUnitTestClassRunner(Class testClass, RunNotifier notifier) throws InitializationError {24 super(testClass, notifier);25 }26}27package org.testng.junit;28import org.junit.runner.notification.RunNotifier;29import org.junit.runners.model.InitializationError;30public abstract class JUnitTestClassRunnerBase extends JUnitRunner {31 public JUnitTestClassRunnerBase(Class testClass) throws InitializationError {32 super(testClass);33 }34 public JUnitTestClassRunnerBase(Class testClass, RunNotifier notifier) throws InitializationError {35 super(testClass, notifier);36 }37}38package org.testng.junit;39import org.junit.runner.notification.RunNotifier;40import org.junit.runners.model.InitializationError;41public abstract class JUnitRunner {42 public JUnitRunner(Class testClass) throws InitializationError {43 }44 public JUnitRunner(Class testClass, RunNotifier notifier) throws InitializationError {45 }46}47package org.testng.junit;48import junit.framework.Test;49import junit.framework.TestSuite;50import org.junit.runner.RunWith;51import org.junit.runners.Suite;52@RunWith(Suite.class)53@Suite.SuiteClasses({ JUnit3Test.class, JUnit4Test.class })54public class JUnitSuite extends TestSuite {55 public static Test suite() {

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JUnit3Test

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1package org.testng.junit;2import org.testng.TestNG;3import junit.framework.Test;4import junit.framework.TestSuite;5public class JUnit3Test extends TestSuite {6 public static void main(String[] args) {7 TestNG tng = new TestNG();8 tng.setTestClasses(new Class[] { JUnit3Test.class });9 tng.run();10 }11 public static Test suite() {12 TestSuite suite = new TestSuite();13 suite.addTest(new TestSuite(org.testng.junit.JUnit3TestSample.class));14 return suite;15 }16}17package org.testng.junit;18import org.testng.TestNG;19import org.junit.runner.RunWith;20import org.junit.runners.Suite;21@RunWith(Suite.class)22@Suite.SuiteClasses({23})24public class JUnit4Test {25 public static void main(String[] args) {26 TestNG tng = new TestNG();27 tng.setTestClasses(new Class[] { JUnit4Test.class });28 tng.run();29 }30}31package org.testng.junit;32import junit.framework.TestCase;33public class JUnit3TestSample extends TestCase {34 public void testOne() {35 assertTrue(true);36 }37 public void testTwo() {38 assertTrue(true);39 }40}41package org.testng.junit;42import org.junit.Test;43import static org.junit.Assert.*;44public class JUnit4TestSample {45 public void testOne() {46 assertTrue(true);47 }48 public void testTwo() {49 assertTrue(true);50 }51}521) testTwo(org.testng.junit.JUnit3TestSample)

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JUnit3Test

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1import org.testng.junit.JUnit3Test;2import org.testng.junit.JUnit3Test;3import org.testng.junit.JUnit3Test;4import org.testng.junit.JUnit3Test;5import org.testng.junit.JUnit3Test;6import org.testng.junit.JUnit3Test;7public class SampleTest {8 public void test() {9 JUnit3Test junit3Test = new JUnit3Test();10 junit3Test.test();11 }12}13import org.testng.junit.JUnit4Test;14import org.testng.junit.JUnit4Test;15import org.testng.junit.JUnit4Test;16import org.testng.junit.JUnit4Test;17import org.testng.junit.JUnit4Test;18public class SampleTest {19 public void test() {20 JUnit4Test junit4Test = new JUnit4Test();21 junit4Test.test();22 }23}24import org.testng.junit.JUnit3Test;25import org.testng.junit.JUnit3Test;26import org.testng.junit.JUnit3Test;27import org.testng.junit.JUnit3Test;28import org.testng.junit.JUnit3Test;29public class SampleTest {30 public void test() {31 JUnit3Test junit3Test = new JUnit3Test();32 junit3Test.test();33 }34}35import org.testng.junit.JUnit4Test;36import org.testng.junit.JUnit4Test;37import org.testng.junit.JUnit4Test;38import org.testng.junit.JUnit4Test;39import org.testng.junit.JUnit4Test;40public class SampleTest {41 public void test() {42 JUnit4Test junit4Test = new JUnit4Test();43 junit4Test.test();44 }45}46import org.testng.junit.JUnit3Test;47import org.testng.junit.JUnit3Test;48import org.testng.junit.JUnit3Test;49import org.testng.junit.JUnit

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JUnit3Test

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1import org.testng.junit.*;2import junit.framework.*;3public class MyTest extends TestCase {4 public void testAdd() {5 Assert.assertEquals(2, 1 + 1);6 }7}8import org.testng.junit.*;9import org.junit.*;10import static org.junit.Assert.*;11public class MyTest {12 public void testAdd() {13 assertEquals(2, 1 + 1);14 }15}16import org.testng.junit.*;17import org.junit.*;18import static org.junit.Assert.*;19public class MyTest {20 public void testAdd() {21 assertEquals(2, 1 + 1);22 }23}24import org.testng.junit.*;25import org.junit.*;26import static org.junit.Assert.*;27public class MyTest {28 public void testAdd() {29 assertEquals(2, 1 + 1);30 }31}32import org.testng.junit.*;33import org.junit.*;34import static org.junit.Assert.*;35public class MyTest {36 public void testAdd() {37 assertEquals(2, 1 + 1);38 }39}40import org.testng.*;41public class MyTest {42 public void testAdd() {43 Assert.assertEquals(2, 1 + 1);44 }45}46import org.testng.*;47import org.junit.*;48import static org.junit.Assert.*;49public class MyTest {50 public void testAdd() {51 assertEquals(2, 1 + 1);52 }53}54import org.testng.*;55import org.junit.*;56import static org.junit.Assert.*;57public class MyTest {58 public void testAdd() {59 assertEquals(2, 1 + 1);60 }61}62import org.testng.*;63import org.junit.*;64import static org.junit.Assert.*;65public class MyTest {66 public void testAdd() {67 assertEquals(2, 1 + 1);

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JUnit3Test

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1import org.testng.junit.*;2import org.junit.Test;3import org.junit.Assert;4import org.junit.Before;5import org.junit.After;6public class JUnit3Test {7 public void setUp() {8 }9 public void testMethod() {10 Assert.assertTrue(true);11 }12 public void tearDown() {13 }14}15import org.testng.junit.*;16import org.junit.Test;17import org.junit.Assert;18import org.junit.Before;19import org.junit.After;20public class JUnit4Test {21 public void setUp() {22 }23 public void testMethod() {24 Assert.assertTrue(true);25 }26 public void tearDown() {27 }28}29import org.testng.junit.*;30import org.junit.jupiter.api.Test;31import org.junit.jupiter.api.Assertions;32import org.junit.jupiter.api.BeforeEach;33import org.junit.jupiter.api.AfterEach;34public class JUnit5Test {35 public void setUp() {36 }37 public void testMethod() {38 Assertions.assertTrue(true);39 }40 public void tearDown() {41 }42}43import org.testng.junit.*;44import org.junit.Test;45import org.junit.Assert;46import org.junit.Before;47import org.junit.After;48public class JUnit3Test {49 public void setUp() {50 }51 public void testMethod() {52 Assert.assertTrue(true);53 }54 public void tearDown() {55 }56}57import org.testng.junit.*;58import org.junit.Test;59import org.junit.Assert;60import org.junit.Before;61import org.junit.After;62public class JUnit4Test {63 public void setUp() {64 }65 public void testMethod() {

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JUnit3Test

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1public void runJUnit3Test() {2 TestNG tng = new TestNG();3 tng.setTestClasses(new Class[] { JUnit3Test.class });4 tng.run();5}6public void runJUnit3Test() {7 TestNG tng = new TestNG();8 tng.setTestClasses(new Class[] { JUnit3Test.class });9 tng.run();10}

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StackOverFlow community discussions

Questions
Discussion

TestNG + Mockito + PowerMock - verifyStatic() does not work

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OK, I think this is very specific to TestNG configurations, since all of the JUnit examples work 'out of the box'!

Read through this link from the PowerMock GitHub site which describes further detail on how to use TestNG together with PowerMock. Exactly your scenario of verifying calls to mocked static methods is described there using this example code:

@PrepareForTest(IdGenerator.class)
public class MyTestClass {

   @Test
   public void demoStaticMethodMocking() throws Exception {
      mockStatic(IdGenerator.class);
      when(IdGenerator.generateNewId()).thenReturn(2L);       
      new ClassUnderTest().methodToTest();

      // Optionally verify that the static method was actually called
      verifyStatic();
      IdGenerator.generateNewId();
   }

}

Which is then followed by this nugget of information:

For this to work you need to tell TestNG to use the PowerMock object factory

This is done using either TestNG XML config, or in the test's code itself. For completeness I've copied below the options given at the above URL. FWIW I extended PowerMockTestCase and the verification worked as you expect.

Finally, don't forget to @PrepareForTest the correct class - i.e. the class containing the static methods which you want to mock, as @Bax pointed out here.

As a further hint (which you probably already know about, but worth mentioning here anyway) since you aren't using Mockito to mock objects, MockitoAnnotations.initMocks(this) can be safely deleted.

Once you've got all this working, you might also like to consider whether the use of 'Black Magic' tools like Powermock is actually exposing code smells in your design? Especially since it looks like the classes containing static methods are under your ownership. This means you could use an alternative design that doesn't use statics. I highly recommend Michael Feathers' book Working Effectively with Legacy Code, it might just change your whole approach to software design and testing...

Good luck!

Configure TestNG to use the PowerMock object factory

Using suite.xml

In your suite.xml add the following in the suite tag: object-factory="org.powermock.modules.testng.PowerMockObjectFactory" e.g.

<suite name="dgf" verbose="10"
    object-factory="org.powermock.modules.testng.PowerMockObjectFactory">
    <test name="dgf">
        <classes>
            <class name="com.mycompany.Test1"/>
            <class name="com.mycompany.Test2"/>
        </classes>
    </test> 

If you're using Maven you may need to point out the file to Surefire:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <configuration>
        <suiteXmlFiles>
        <suiteXmlFile>suite.xml</suiteXmlFile>
        </suiteXmlFiles>
    </configuration> 
</plugin> 

Programmatically

Add a method like this to your test class:

@ObjectFactory public IObjectFactory getObjectFactory() {
     return new org.powermock.modules.testng.PowerMockObjectFactory(); 
} 

or to be on the safe side you can also extend from the PowerMockTestCase:

@PrepareForTest(IdGenerator.class) 
public class MyTestClass extends PowerMockTestCase { ... }
https://stackoverflow.com/questions/35801550/testng-mockito-powermock-verifystatic-does-not-work

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