How to use main method of org.junit.runner.JUnitCore class

Best junit code snippet using org.junit.runner.JUnitCore.main

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...39 * Write feedback while tests are running and write40 * stack traces for all failed tests after the tests all complete.41 * @param args names of classes in which to find tests to run42 */​43 public static void main(String... args) {44 Result result= new JUnitCore().runMain(args);45 killAllThreads(result);46 }4748 private static void killAllThreads(Result result) {49 System.exit(result.wasSuccessful() ? 0 : 1);50 }51 52 /​**53 * Run the tests contained in <code>classes</​code>. Write feedback while the tests54 * are running and write stack traces for all failed tests after all tests complete. This is55 * similar to {@link #main(String[])}, but intended to be used programmatically.56 * @param classes Classes in which to find tests57 * @return a {@link Result} describing the details of the test run and the failed tests.58 */​59 public static Result runClasses(Class<?>... classes) {60 return new JUnitCore().run(classes);61 }62 63 /​**64 * Do not use. Testing purposes only.65 */​66 public Result runMain(String... args) {67 System.out.println("JUnit version " + Version.id());68 List<Class<?>> classes= new ArrayList<Class<?>>();69 List<Failure> missingClasses= new ArrayList<Failure>(); ...

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...10import org.junit.runner.Result;11import org.junit.runner.manipulation.Filter;12public class TestsRunner13{14 public static void main(String[] args, Class<?>... testCases)15 {16 JUnitCore junitCore = new JUnitCore();17 Request request = Request.classes(testCases);18 junitCore.addListener(new TestsExecutionListener());19 if (args.length > 0)20 {21 final String TEST_CLASS_NAME = args[0];22 final String TEST_METHOD_NAME = args.length > 1 ? args[1] : null;23 Filter filter = Filter24 .matchMethodDescription(Description.createTestDescription(TEST_CLASS_NAME, TEST_METHOD_NAME));25 request = request.filterWith(filter);26 }27 Result result = junitCore.run(request);28 if (result.wasSuccessful())...

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...4import org.junit.runner.Request;5import org.junit.runner.Result;6import org.junit.runner.notification.RunListener;7public class SingleJUnitTestRunner {8 public static void main(String... args) throws ClassNotFoundException {9 String[] classAndMethod = args[0].split("#");10 /​/​if we want to run a single test case. We should provide the TestClass#testMethod11 if(classAndMethod.length == 2){12 Request request = Request.method(Class.forName(classAndMethod[0]),13 classAndMethod[1]);14 JUnitCore jUnitCore = new JUnitCore();15 RunListener listener= new TextListener(System.out);16 jUnitCore.addListener(listener);17 Result result = jUnitCore.run(request);18 System.exit(result.wasSuccessful() ? 0 : 1);19 }20 /​/​otherwise run the normal Junit core21 else{22 JUnitCore.main(args);23 }24 }25}...

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...11 semana1.Questao1.class12 /​/​ Add test classes here.13})14public class Main {15 public static void main(String[] args) {16 System.out.println("Iniciando testes...");17 /​/​ org.junit.runner.JUnitCore.main("S1Q1");18 /​/​ org.junit.runner.JUnitCore.main("semana1.Exemplo");19 /​/​ org.junit.runner.JUnitCore.main("semana1.Exercicio1");20 /​/​ org.junit.runner.JUnitCore.main("semana1.Exercicio1");21 junit.textui.TestRunner.run(new JUnit4TestAdapter(Main.class));22 }23}...

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2import org.junit.runner.JUnitCore;3import org.junit.runner.notification.Failure;4import org.junit.runner.notification.RunListener;5public class EduTestRunner {6 public static void main(String[] args) throws ClassNotFoundException {7 Class<?> testClass = EduTestRunner.class.getClassLoader().loadClass(args[0]);8 JUnitCore runner = new JUnitCore();9 runner.addListener(new RunListener() {10 @Override11 public void testFailure(Failure failure) throws Exception {12 System.out.println("#educational_plugin FAILED + " + failure.getMessage());13 }14 });15 runner.run(testClass);16 }17}...

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...13 @Test14 public void test(){15 System.out.println("hi!");16 }17 public static void main(String[] args) {18 JUnitCore core = new JUnitCore();19 Request request = Request.method(TestUnit.class,"test");20 core.run(request);21 }22}...

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1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4public class TestRunner {5 public static void main(String[] args) {6 /​/​ TODO Auto-generated method stub7/​/​ Result result = JUnitCore.runClasses(TestJunit1.class);8/​/​ Result result = JUnitCore.runClasses(TestJunit2.class);9/​/​ Result result = JUnitCore.runClasses(TestJunit3.class);10 11 Result result = JUnitCore.runClasses(TestJunit.class);12 for (Failure fauiler : result.getFailures()) {13 System.out.println(fauiler.toString());14 }15 System.out.println(result.wasSuccessful());16 }17}...

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1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4public class TestRunner {5 public static void main(String[] args) {6 Result result = JUnitCore.runClasses(TestJunit.class);7 for (Failure failure : result.getFailures()) {8 System.out.println(failure.toString());9 }10 System.out.println(result.wasSuccessful());11 }12}13import org.junit.runner.JUnitCore;14import org.junit.runner.Result;15import org.junit.runner.notification.Failure;16import java.io.File;17import java.io.FileNotFoundException;18import java.io.PrintWriter;19public class TestRunner {20 public static void main(String[] args) {21 Result result = JUnitCore.runClasses(TestJunit.class);22 try {23 PrintWriter writer = new PrintWriter(new File("test_result.txt"));24 for (Failure failure : result.getFailures()) {25 writer.println(failure.toString());26 }27 writer.println(result.wasSuccessful());28 writer.close();29 } catch (FileNotFoundException e) {30 e.printStackTrace();31 }32 }33}

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1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4public class TestRunner {5 public static void main(String[] args) {6 Result result = JUnitCore.runClasses(TestJunit.class);7 for (Failure failure : result.getFailures()) {8 System.out.println(failure.toString());9 }10 System.out.println(result.wasSuccessful());11 }12}13set classpath=%classpath%;C:\junit-4.12.jar14set classpath=%classpath%;C:\junit-4.12.jar

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1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4public class TestRunner {5 public static void main(String[] args) {6 Result result = JUnitCore.runClasses(TestJunit.class);7 for (Failure failure : result.getFailures()) {8 System.out.println(failure.toString());9 }10 System.out.println(result.wasSuccessful());11 }12}13 at org.junit.Assert.assertEquals(Assert.java:115)14 at org.junit.Assert.assertEquals(Assert.java:144)15 at TestJunit.testAdd(TestJunit.java:14)16 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19 at java.lang.reflect.Method.invoke(Method.java:498)20 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)21 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)22 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)23 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)24 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)25 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)26 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)27 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)28 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)29 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)30 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)31 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)32 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)33 at org.junit.runner.JUnitCore.run(JUnitCore.java:137)34 at org.junit.runner.JUnitCore.run(JUnitCore.java:115)35 at TestRunner.main(TestRunner.java:8)

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1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4public class TestRunner {5 public static void main(String[] args) {6 Result result = JUnitCore.runClasses(TestJunit.class);7 for (Failure failure : result.getFailures()) {8 System.out.println(failure.toString());9 }10 System.out.println(result.wasSuccessful());11 }12}13import org.junit.runner.JUnitCore;14import org.junit.runner.Result;15import org.junit.runner.notification.Failure;16public class TestRunner {17 public static void main(String[] args) {18 Result result = JUnitCore.runClasses(TestJunit.class);19 for (Failure failure : result.getFailures()) {20 System.out.println(failure.toString());21 }22 System.out.println(result.wasSuccessful());23 }24}25import org.junit.runner.JUnitCore;26import org.junit.runner.Result;27import org.junit.runner.notification.Failure;28public class TestRunner {29 public static void main(String[] args) {30 Result result = JUnitCore.runClasses(TestJunit.class);31 for (Failure failure : result.getFailures()) {32 System.out.println(failure.toString());33 }34 System.out.println(result.wasSuccessful());35 }36}37import org.junit.runner.JUnitCore;38import org.junit.runner.Result;39import org.junit.runner.notification.Failure;40public class TestRunner {41 public static void main(String[] args) {42 Result result = JUnitCore.runClasses(TestJunit.class);43 for (Failure failure : result.getFailures()) {44 System.out.println(failure.toString());45 }46 System.out.println(result.wasSuccessful());47 }48}49import org.junit.runner.JUnitCore;50import org.junit.runner.Result;51import org.junit.runner.notification.Failure;52public class TestRunner {53 public static void main(String[] args) {54 Result result = JUnitCore.runClasses(TestJunit.class);55 for (Failure failure : result.getFailures()) {56 System.out.println(failure.toString());57 }58 System.out.println(result.wasSuccessful());59 }60}

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1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4public class TestRunner {5 public static void main(String[] args) {6 Result result = JUnitCore.runClasses(TestJunit.class);7 for (Failure failure : result.getFailures()) {8 System.out.println(failure.toString());9 }10 System.out.println(result.wasSuccessful());11 }12}13 at org.junit.Assert.assertEquals(Assert.java:115)14 at org.junit.Assert.assertEquals(Assert.java:144)15 at TestJunit.testAdd(TestJunit.java:12)16 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19 at java.lang.reflect.Method.invoke(Method.java:498)20 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)21 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)22 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)23 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)24 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)25 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)26 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)27 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)28 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)29 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)30 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)31 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)32 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)33 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)34 at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

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1public class TestRunner {2 public static void main(String[] args) throws Exception {3 Class clazz = Class.forName(args[0]);4 Method main = clazz.getMethod("main", String[].class);5 main.invoke(null, new Object[] { new String[0] });6 }7}8OK (11 tests)9OK (11 tests)10OK (11 tests)11import org.junit.runner.JUnitCore;12import org.junit.runner.Result;13import org.junit.runner.notification.Failure;14public class TestRunner {15 public static void main(String[] args) throws Exception {16 Result result = JUnitCore.runClasses(Class.forName(args[0]));17 System.out.println("Failure count: " + result.getFailureCount());18 System.out.println("Ignore count: " + result.getIgnoreCount());19 System.out.println("Run count: " + result.getRunCount());20 for(Failure failure : result.getFailures()) {21 System.out.println(failure.toString());22 }23 }24}

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StackOverFlow community discussions

Questions
Discussion

any experience with &quot;Play&quot; java web development framework?

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I agree with Jason that Play might just prove to be better than Grails. With four Grails projects under my belt (preceded by two Tapestry projects and one Wicket project), I'm seriously looking at Play next.

One of the things I thought was cool about Grails is that "everything's Groovy." That is, you use Groovy to write everything (except the HTML and the CSS) -- domains, controllers, services, page templates (GSP), tag libraries, Hibernate API (GORM), unit tests (GUnit), and build scripts (GANT). You can even write shell scripts in Groovy. So, being able to code all aspects of an app using a single language again seemed like a simplification that was long overdue -- hearkening back to the days of writing desktop apps in a single language like C++ or Delphi. However, I've learned that one size does not fit all here.

For one, the IDE support for Groovy isn't great. IntelliJ does the best job, but with Groovy being dynamic, it can only go so far. The refactoring tools do not (cannot) catch everything, so you can't trust them 100%. This means you have to be especially vigilant with unit testing. Here again, because Grails relies so much on dynamic "magic" that happens at runtime, the unit testing in Grails must rely on an extensive mocking layer to emulate it, and that mocking layer is quirky. A third issue is that much of the so-called Groovy code that you're writing is actually domain-specific-language (DSL) code. (To make a long story short, DSLs are short-hand Groovy, taking advantage of the fact that in Groovy and lot of the syntax is optional.) Grails uses different DSLs for various configurations, URL mapping, etc. and it is inconsistent. How you specify log4j settings, for example, looks nothing like how you specify the data sources, and neither looks like the pure Java upon which Groovy is based. So, the promise of "everything's Groovy" falls apart anyway.

That being the case, I see where the Play team is coming from.

  1. Going back to regular Java for the domains, controllers, services, and JUnits makes sense. Strong typing means the IDE can reliably help with inteli-sense, code navigation, refactoring, etc. (And thus you don't need to pay for IntelliJ if you're happy with Eclipse.) Having to write more verbose code in order to gain back strong tool support seems like a good deal to me right now. We'll see.

  2. I like that I still get to use Groovy in the page templates. I'm afraid I may end up putting more code in the templates than I should, though.

  3. I have no experience with JPA, but it seems like it's pretty close to what GORM does for me, so that's cool.

  4. The Spring IOC support in Grails is completely transparent whereas Play's support seems minimal; however, I think that IOC is way overused and I'm perfectly willing to hand code a Spring XML mapping on the rare occasion that I really need one. (One of my open questions is that I'm assuming that JPA has transaction support which is why Play doesn't need Spring for that like Grails does, no?)

  5. I've never been a fan of Python, so I cringed when I read that Play uses Python for its build scripts. But I agree that Grails' GANT scripts run pretty slow. Plus I find that, while GANT is a huge improvement over XML ANT, it's still hard to wrap your head around the ANT concepts. The Grails GANT scripts are pretty convoluted. So, I'll go in to it with an open mind.

  6. The Play "application module" model sounds to be just like Grails' "plugin" model, so that's cool.

  7. I'm quite impressed with the Play documentation that I've read so far. I had a huge number of questions going in, but half of them were answered right off the bat.

I'll report back again later as I dive deeper in.

https://stackoverflow.com/questions/1597086/any-experience-with-play-java-web-development-framework

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