How to use filter method of org.junit.runner.manipulation.Interface Filterable class

Best junit code snippet using org.junit.runner.manipulation.Interface Filterable.filter

Source:JUnit4TestAdapter.java Github

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...59 @Override60 public String toString() {61 return fNewTestClass.getName();62 }63 public void filter(Filter filter) throws NoTestsRemainException {64 filter.apply(fRunner);65 }66 public void sort(Sorter sorter) {67 sorter.apply(fRunner);68 }69}...

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1import org.junit.runner.Description;2import org.junit.runner.manipulation.Filter;3import org.junit.runner.manipulation.Filterable;4import org.junit.runner.manipulation.NoTestsRemainException;5import org.junit.runner.manipulation.Sortable;6import org.junit.runner.manipulation.Sorter;7import org.junit.runner.notification.Failure;8import org.junit.runner.notification.RunListener;9import org.junit.runner.notification.RunNotifier;10import org.junit.runners.BlockJUnit4ClassRunner;11import org.junit.runners.model.InitializationError;12import org.junit.runners.model.Statement;13import org.junit.runners.model.TestClass;14public class JUnitRunner extends BlockJUnit4ClassRunner implements Filterable, Sortable {15 public JUnitRunner(Class<?> klass) throws InitializationError {16 super(klass);17 }18 public void filter(Filter filter) throws NoTestsRemainException {19 }20 public void sort(Sorter sorter) {21 }22 protected Statement methodInvoker(FrameworkMethod method, Object test) {23 return super.methodInvoker(method, test);24 }25 protected void validateTestMethods(List<Throwable> errors) {26 super.validateTestMethods(errors);27 }28 protected List<FrameworkMethod> computeTestMethods() {29 return super.computeTestMethods();30 }31 protected Description describeChild(FrameworkMethod method) {32 return super.describeChild(method);33 }34 protected void runChild(FrameworkMethod method, RunNotifier notifier) {35 super.runChild(method, notifier);36 }37 protected Object createTest() throws Exception {38 return super.createTest();39 }40 protected String getName() {41 return super.getName();42 }43 protected String testName(FrameworkMethod method) {44 return super.testName(method);45 }46 protected void validateInstanceMethods(List<Throwable> errors) {47 super.validateInstanceMethods(errors);48 }

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1import org.junit.runner.Description;2import org.junit.runner.manipulation.Filter;3import org.junit.runner.manipulation.Filterable;4import org.junit.runner.manipulation.NoTestsRemainException;5import org.junit.runner.manipulation.Sortable;6import org.junit.runner.manipulation.Sorter;7import org.junit.runner.notification.RunNotifier;8import org.junit.runners.BlockJUnit4ClassRunner;9import org.junit.runners.model.FrameworkMethod;10import org.junit.runners.model.InitializationError;11public class CustomRunner extends BlockJUnit4ClassRunner implements Filterable,Sortable {12 public CustomRunner(Class<?> klass) throws InitializationError {13 super(klass);14 }15 protected void runChild(FrameworkMethod method, RunNotifier notifier) {16 Description description = describeChild(method);17 if (isIgnored(method)) {18 notifier.fireTestIgnored(description);19 } else {20 notifier.fireTestStarted(description);21 try {22 methodBlock(method).evaluate();23 } catch (Throwable e) {24 notifier.fireTestFailure(new Failure(description, e));25 } finally {26 notifier.fireTestFinished(description);27 }28 }29 }30 public void filter(Filter filter) throws NoTestsRemainException {31 System.out.println("Filtering");32 }33 public void sort(Sorter sorter) {34 System.out.println("Sorting");35 }36}37package com.java2novice.junit;38import org.junit.Test;39import org.junit.runner.RunWith;40public class CustomRunnerTest {41 public void test1(){42 System.out.println("test 1");43 }44 public void test2(){45 System.out.println("test 2");46 }47}48package com.java2novice.junit;49import org.junit.runner.RunWith;50import org.junit.runners.Suite;51import org.junit.runners.Suite.SuiteClasses;52import org.junit.runners.Suite.SuiteClasses;53@RunWith(Suite.class)54@SuiteClasses({CustomRunnerTest.class})55public class CustomRunnerTestSuite {56}

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1package com.journaldev.junit.runner.filter;2import org.junit.runner.JUnitCore;3import org.junit.runner.Request;4import org.junit.runner.Result;5import org.junit.runner.manipulation.Filter;6import org.junit.runner.manipulation.Filterable;7import org.junit.runner.manipulation.NoTestsRemainException;8import org.junit.runner.manipulation.Sortable;9import org.junit.runner.manipulation.Sorter;10import org.junit.runner.notification.Failure;11import org.junit.runners.model.InitializationError;12public class JUnitRunnerFilterDemo {13 public static void main(String[] args) throws InitializationError, NoTestsRemainException {14 JUnitCore core = new JUnitCore();15 Request request = Request.aClass(JUnitRunnerFilterTest.class);16 Filterable runner = (Filterable) request.getRunner();17 Filter filter = new Filter() {18 public boolean shouldRun(org.junit.runner.Description description) {19 return description.getMethodName().equals("test1");20 }21 public String describe() {22 return "Filter to run only test1";23 }24 };25 runner.filter(filter);26 Sorter sorter = new Sorter(new Sorter.ByDescription());27 ((Sortable) runner).sort(sorter);28 Result result = core.run(request);29 for (Failure failure : result.getFailures()) {30 System.out.println(failure.toString());31 }32 System.out.println(result.wasSuccessful());33 }34}

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