How to do Junt4 dynamic code testing

This article shows you how to conduct Junt4 dynamic code testing, the content is concise and easy to understand, can definitely brighten your eyes, through the detailed introduction of this article, I hope you can get something.

Junt4 dynamic code testing is easy to write with java online tutorials

Listener.javaimport java.util.HashMap;import org.junit.runner.Description;import org.junit.runner.Result;import org.junit.runner.notification.Failure;import org.junit.runner.notification.RunListener;public class Listener extends RunListener {public static long begin_mill;public static long end_mill;public static long test_begin_mill;public static long test_end_mill;public static HashMap test_map;@Overridepublic void testAssumptionFailure (Failure failure) {/ / TODO Auto-generated method stubsuper.testAssumptionFailure (failure) } @ Overridepublic void testFailure (Failure failure) throws Exception {/ / TODO Auto-generated method stubsuper.testFailure (failure); Description description = failure.getDescription (); TestDescription text_doc = description.getAnnotation (TestDescription.class); String name = description.getMethodName (); System.out.println (this); test_map.put (name, false); / / System.out.println ("test" + name + "(" + text_doc.value () + ")" + "is failure") } @ Overridepublic void testFinished (Description description) throws Exception {/ / TODO Auto-generated method stubsuper.testFinished (description); String name = description.getMethodName (); TestDescription text_doc = description.getAnnotation (TestDescription.class); Boolean value = test_map.get (name); if (value = = null) {test_map.put (name, true);} System.out.println (this); / / System.out.println ("test" + name + "(" + text_doc.value () + ")" + "is finished") @ Overridepublic void testIgnored (Description description) throws Exception {/ / TODO Auto-generated method stubsuper.testIgnored (description);} @ Overridepublic void testRunFinished (Result result) throws Exception {/ / TODO Auto-generated method stubsuper.testRunFinished (result); / / System.out.println ("all time" + (end_mill-begin_mill));} @ Overridepublic void testRunStarted (Description description) throws Exception {/ / TODO Auto-generated method stubsuper.testRunStarted (description); begin_mill = System.currentTimeMillis (); test_map = new HashMap () } @ Overridepublic void testStarted (Description description) throws Exception {/ / TODO Auto-generated method stubsuper.testStarted (description); String name = description.getMethodName (); / / System.out.println ("test" + name + "is started");}} TestDescription.javaimport static java.lang.annotation.ElementType.METHOD;import static java.lang.annotation.RetentionPolicy.RUNTIME;import java.lang.annotation.Retention;import java.lang.annotation.Target;@Target ({METHOD}) @ Retention (RUNTIME) public @ interface TestDescription {String value ();} rule:

Practice.javapublic class Practice {public int sum (int apenint b) {return a + b;}} PracticeTest.javaimport org.junit.Assert;import org.junit.Test;import org.junit.runner.RunWith;import org.junit.runners.JUnit4;@RunWith (JUnit4.class) public class PracticeTest {@ Test@TestDescription ("sum (1, 2)-> 3") public void test1 () {Practice a = new Practice (); Assert.assertEquals (3) } @ Test@TestDescription ("sum (1,3)-> 4") public void test2 () {Practice a = new Practice (); Assert.assertEquals (4 heroa.sum (1,3));} @ Test@TestDescription ("sum (2,2)-> 4") public void test3 () {Practice a = new Practice (); Assert.assertEquals (4 Practice a = sum (2,2)) } @ Test@TestDescription ("sum (2,3)-> 4") public void test4 () {Practice a = new Practice (); Assert.assertEquals (4 heroa.sum (2,3));}} Main.javaimport java.util.Iterator;import java.util.Set;import org.junit.runner.JUnitCore;import org.junit.runner.Result Public class Main {/ * * @ param args*/public static void main (String [] args) {/ / TODO Auto-generated method stubJUnitCore core = new org.junit.runner.JUnitCore (); core.addListener (new Listener ()); Result result = core.run (PracticeTest.class); Set set = Listener.test_map.keySet (); Iterator it = set.iterator (); while (it.hasNext ()) {String name = it.next (); boolean is_success = Listener.test_map.get (name) String is_success_str = is_success? "success": "failure"; System.out.println ("test" + name + ":" + is_success_str);} System.out.println (result.wasSuccessful ());}} the above is how to test Junt4 dynamic code. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.