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How to use shuffledBy method of org.junit.runner.manipulation.Ordering class

Best junit code snippet using org.junit.runner.manipulation.Ordering.shuffledBy

Source:Ordering.java

1public abstract class org.junit.runner.manipulation.Ordering {2  public org.junit.runner.manipulation.Ordering();3  public static org.junit.runner.manipulation.Ordering shuffledBy(java.util.Random);4  public static org.junit.runner.manipulation.Ordering definedBy(java.lang.Class<? extends org.junit.runner.manipulation.Ordering$Factory>, org.junit.runner.Description) throws org.junit.runner.manipulation.InvalidOrderingException;5  public static org.junit.runner.manipulation.Ordering definedBy(org.junit.runner.manipulation.Ordering$Factory, org.junit.runner.Description) throws org.junit.runner.manipulation.InvalidOrderingException;6  public void apply(java.lang.Object) throws org.junit.runner.manipulation.InvalidOrderingException;7  boolean validateOrderingIsCorrect();8  protected abstract java.util.List<org.junit.runner.Description> orderItems(java.util.Collection<org.junit.runner.Description>);9}...

shuffledBy

Using AI Code Generation

1import static org.junit.Assert.assertEquals;2import static org.junit.Assert.assertTrue;3import static org.junit.Assert.fail;4import java.util.ArrayList;5import java.util.Arrays;6import java.util.Collections;7import java.util.List;8import org.junit.Test;9import org.junit.runner.Description;10import org.junit.runner.JUnitCore;11import org.junit.runner.Result;12import org.junit.runner.RunWith;13import org.junit.runner.manipulation.Ordering;14import org.junit.runner.notification.RunListener;15import org.junit.runners.JUnit4;16import org.junit.runners.model.InitializationError;17import org.junit.runners.model.RunnerBuilder;18public class JUnit4ShuffleTest {19    @RunWith(ShuffleRunner.class)20    public static class ShuffleTests {21        public void test1() {22            System.out.println("test1");23        }24        public void test2() {25            System.out.println("test2");26        }27        public void test3() {28            System.out.println("test3");29        }30    }31    public static class ShuffleRunner extends JUnit4 {32        public ShuffleRunner(Class<?> klass, RunnerBuilder builder) throws InitializationError {33            super(klass);34            reorderTests(new Ordering() {35                public void apply(List children) {36                    Collections.shuffle(children);37                }38            });39        }40    }41    public void testShuffle() {42        Result result = JUnitCore.runClasses(ShuffleTests.class);43        assertTrue(result.wasSuccessful());44    }45}46public class JUnit4ShuffleTest {47    @RunWith(ShuffleRunner.class)48    public static class ShuffleTests {49        public void test1() {50            System.out.println("test1");51        }52        public void test2() {53            System.out.println("test2");54        }55        public void test3() {56            System.out.println("test3");57        }58    }59    public static class ShuffleRunner extends JUnit4 {60        public ShuffleRunner(Class<?> klass, RunnerBuilder builder) throws InitializationError {61            super(klass);62            reorderTests(new Ordering() {63                public void apply(List children) {64                    Collections.shuffle(children);65                }66            });67        }68    }69    public void testShuffle() {70        Result result = JUnitCore.runClasses(ShuffleTests.class);71        assertTrue(result.wasSuccessful());72    }73}

shuffledBy

Using AI Code Generation

1import org.junit.runner.JUnitCore;2import org.junit.runner.Request;3import org.junit.runner.Result;4import org.junit.runner.manipulation.Ordering;5public class TestRunner {6    public static void main(String[] args) {7        JUnitCore junit = new JUnitCore();8        Request request = Request.aClass(TestClass.class);9        Ordering ordering = request.getRunner().getOrdering();10        ordering.shuffle(new Random());11        request.sortWith(ordering);12        Result result = junit.run(request);13        System.out.println("Result: " + result.wasSuccessful());14    }15}

shuffledBy

Using AI Code Generation

1    public void testShuffledBy() throws Exception {2        JUnitCore core = new JUnitCore();3        core.addListener(new RunListener() {4            public void testStarted(Description description) throws Exception {5                System.out.println("Test started: " + description.getMethodName());6            }7        });8        core.run(ShuffledByTest.class);9    }10}

shuffledBy

Using AI Code Generation

1import org.junit.runner.manipulation.Ordering;2import org.junit.runner.manipulation.Randomizer;3import org.junit.runner.manipulation.Sorter;4public class RandomOrdering extends Ordering {5    public void apply(Object test) {6        if (test instanceof Sorter) {7            Sorter sorter = (Sorter) test;8            sorter.apply(new Randomizer());9        }10    }11}12@RunWith(RobolectricTestRunner.class)13@Config(constants = BuildConfig.class, sdk = 21)14@UseTestAnnotationOrdering(RandomOrdering.class)15public class MyTest {16    public void test1() {17    }18    public void test2() {19    }20    public void test3() {21    }22    public void test4() {23    }24}25Related posts: How to run tests in a custom order in JUnit 4.13 and above How to run tests in a custom order in JUnit 4.12 and below How to run tests in a custom order in JUnit 5 How to run tests in a custom order in JUnit 4.12 and below (part 2) How to run tests in a custom order in JUnit 5 (part 2)

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Importance of Unit testing - Learn why Unit testing is essential during the development phase to identify bugs and errors.
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Assertions in JUnit - Assertions are used to validate or test that the result of an action/functionality is the same as expected. Learn in detail what assertions are and how to use them while performing JUnit testing.
Parameterization in JUnit - Parameterized Test enables you to run the same automated test scripts with different variables. By collecting data on each method's test parameters, you can minimize time spent on writing tests. Learn how to use parameterization in JUnit.
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Advanced Use Cases for JUnit testing - Take a deep dive into the advanced use cases, such as how to run JUnit tests in Jupiter, how to use JUnit 5 Mockito for Unit testing, and more for JUnit testing.