Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use RunRules class of org.junit.rules package

Best junit code snippet using org.junit.rules.RunRules

Source:KnownBugRunner.java

2import org.apache.log4j.LogManager;3import org.apache.log4j.Logger;4import org.junit.Ignore;5import org.junit.AssumptionViolatedException;6import org.junit.rules.RunRules;7import org.junit.rules.TestRule;8import org.junit.runner.Description;9import org.junit.runner.notification.RunNotifier;10import org.junit.runners.BlockJUnit4ClassRunner;11import org.junit.runners.model.FrameworkMethod;12import org.junit.runners.model.InitializationError;13import org.junit.runners.model.Statement;14import java.util.Arrays;15/**16 * Adds the KnownBugRule to all test methods.17 * Effect: for any test method annotated with {@link org.junit.Ignore}18 * with a value that starts with "KnownBug", run the test as usual.19 * If the test fails then convert the failure into an assumption failure (meaning, ignore the test).20 * If the test passes then log a message saying the bug has been fixed.21 */22public class KnownBugRunner extends BlockJUnit4ClassRunner {23  private static final Logger log = LogManager.getLogger(KnownBugRunner.class);24  public KnownBugRunner(Class<?> klass) throws InitializationError {25    super(klass);26  }27  @Override28  protected void runChild(final FrameworkMethod method, RunNotifier notifier) {29    Description description = describeChild(method);30    Ignore ignore = method.getAnnotation(Ignore.class);31    if (ignore != null && !ignore.value().startsWith("KnownBug")) {32      notifier.fireTestIgnored(description);33    } else {34      RunRules runRules = new RunRules(methodBlock(method), Arrays.asList(new TestRule[]{new KnownBugRule()}), description);35      runLeaf(runRules, description, notifier);36    }37  }38  static class KnownBugRule implements TestRule {39    public Statement apply(final Statement base, final Description description) {40      return new Statement() {41        @Override42        public void evaluate() throws Throwable {43          String testclassname = description.getTestClass().getSimpleName();44          String testmethodname = description.getMethodName();45          Ignore ignore = description.getAnnotation(Ignore.class);46          try {47            base.evaluate();48            if (ignore != null && ignore.value().startsWith("KnownBug"))...

Source:FailureTestRunner.java

1package be.kuleuven.distrinet.scalar.junit;2import java.util.Arrays;3import org.junit.Ignore;4import org.junit.rules.RunRules;5import org.junit.rules.TestRule;6import org.junit.rules.Timeout;7import org.junit.runner.Description;8import org.junit.runner.notification.RunNotifier;9import org.junit.runners.BlockJUnit4ClassRunner;10import org.junit.runners.model.FrameworkMethod;11import org.junit.runners.model.InitializationError;12import be.kuleuven.distrinet.scalar.data.TestingDataProvider;13public class FailureTestRunner extends BlockJUnit4ClassRunner {14	public FailureTestRunner(Class<?> klass) throws InitializationError {15		super(klass);16	}17	@Override18	protected void runChild(FrameworkMethod method, RunNotifier notifier) {19		Description description = describeChild(method);20		if (method.getAnnotation(Ignore.class) != null) {21			notifier.fireTestIgnored(description);22		} else {23			runWithFailureConditions(0.1, method, notifier, description);24			runWithFailureConditions(0.01, method, notifier, description);25			runWithFailureConditions(0.001, method, notifier, description);26			runWithFailureConditions(0.0001, method, notifier, description);27			runWithFailureConditions(0, method, notifier, description);28		}29	}30	private void runWithFailureConditions(double dataFailProbability, FrameworkMethod method, RunNotifier notifier, Description description) {31		System.out.println(">>> Running " + method.getDeclaringClass().getSimpleName() + "." + 32				method.getName() + " with data failure probability " + dataFailProbability + "...");33		TestingDataProvider.triggerRandomErrors(dataFailProbability);34		RunRules runRules = new RunRules(methodBlock(method), Arrays.asList(new TestRule[]{35				Timeout.seconds(60),36				new FailureHandlingTestRule()37		}), description);38		runLeaf(runRules, description, notifier);39	}40}...

Source:LoggingRunner.java

...15 */16package org.nickelproject.util.testUtil;17import java.util.Arrays;18import org.junit.Ignore;19import org.junit.rules.RunRules;20import org.junit.rules.TestRule;21import org.junit.runner.Description;22import org.junit.runner.notification.RunNotifier;23import org.junit.runners.BlockJUnit4ClassRunner;24import org.junit.runners.model.FrameworkMethod;25import org.junit.runners.model.InitializationError;26public final class LoggingRunner extends BlockJUnit4ClassRunner {27    public LoggingRunner(final Class<?> klass) throws InitializationError {28        super(klass);29    }30    @Override31    protected void runChild(final FrameworkMethod method, final RunNotifier notifier) {32        final Description description = describeChild(method);33        if (method.getAnnotation(Ignore.class) != null) {34            notifier.fireTestIgnored(description);35        } else {36            final RunRules runRules = new RunRules(methodBlock(method),37                    Arrays.asList(new TestRule[] {new LoggingTestWatcher() }), description);38            runLeaf(runRules, description, notifier);39        }40    }41}...

Source:ClassRuleStatementBuilder.java

1package de.bechte.junit.runners.context.statements.builder;2import org.junit.ClassRule;3import org.junit.rules.RunRules;4import org.junit.rules.TestRule;5import org.junit.runner.Description;6import org.junit.runner.notification.RunNotifier;7import org.junit.runners.model.Statement;8import org.junit.runners.model.TestClass;9import java.util.ArrayList;10import java.util.List;11/**12 * The {@link ClassRuleStatementBuilder} creates a {@link RunRules} statement that evaluates all {@code @ClassRule}13 * annotated members. If no such members exist, the builder will simply return the provided next {@link Statement}.14 */15public class ClassRuleStatementBuilder implements ClassStatementBuilder {16    public Statement createStatement(final TestClass testClass, final Statement next,17                                     final Description description, final RunNotifier notifier) {18        final List<TestRule> classRules = new ArrayList<TestRule>();19        classRules.addAll(testClass.getAnnotatedMethodValues(null, ClassRule.class, TestRule.class));20        classRules.addAll(testClass.getAnnotatedFieldValues(null, ClassRule.class, TestRule.class));21        return classRules.isEmpty() ? next : new RunRules(next, classRules, description);22    }23}...

Source:RunRules.java

...6/*    */ 7/*    */ 8/*    */ 9/*    */ 10/*    */ public class RunRules11/*    */   extends Statement12/*    */ {13/*    */   private final Statement statement;14/*    */   15/* 15 */   public RunRules(Statement base, Iterable<TestRule> rules, Description description) { this.statement = applyAll(base, rules, description); }16/*    */ 17/*    */ 18/*    */ 19/*    */   20/* 20 */   public void evaluate() throws Throwable { this.statement.evaluate(); }21/*    */ 22/*    */ 23/*    */   24/*    */   private static Statement applyAll(Statement result, Iterable<TestRule> rules, Description description) {25/* 25 */     for (TestRule each : rules) {26/* 26 */       result = each.apply(result, description);27/*    */     }28/* 28 */     return result;29/*    */   }30/*    */ }31/* Location:              C:\Users\Tarik\OneDrive - fer.hr\FAKS\5. semestar\PPP\Testiranje\Test programi\jChess-1.5\jChess-1.5\jChess-1.5.jar!\org\junit\rules\RunRules.class32 * Java compiler version: 5 (49.0)33 * JD-Core Version:       1.1.234 */...

Source:CustomDataProviderRunner.java

1package com.dotcms.junit;2import com.tngtech.java.junit.dataprovider.DataProviderRunner;3import java.util.Arrays;4import org.junit.Ignore;5import org.junit.rules.RunRules;6import org.junit.rules.TestRule;7import org.junit.runner.Description;8import org.junit.runner.notification.RunNotifier;9import org.junit.runners.model.FrameworkMethod;10import org.junit.runners.model.InitializationError;11public class CustomDataProviderRunner extends DataProviderRunner {12    CustomDataProviderRunner(Class<?> clazz) throws InitializationError {13        super(clazz);14    }15    @Override16    protected void runChild(final FrameworkMethod method, RunNotifier notifier) {17        Description description = describeChild(method);18        if (method.getAnnotation(Ignore.class) != null) {19            notifier.fireTestIgnored(description);20        } else {21            RunRules runRules = new RunRules(methodBlock(method),22                    Arrays.asList(new TestRule[]{new RuleWatcher()}), description);23            runLeaf(runRules, description, notifier);24        }25    }26}...

Source:CustomerTestRule.java

1package org.firefly.provider.unit.test.rule;2import org.junit.rules.RunRules;3import org.junit.rules.TestRule;4import org.junit.runner.Description;5import org.junit.runners.model.Statement;6import java.util.logging.Logger;7/**8 * èªå®ä¹Ruleæ¯å»ºç«å¨ç¥éè¿è¡å¨åççåºç¡ä¸çãè§{@link RunRules}ã9 */10public class CustomerTestRule implements TestRule {11    private Logger logger;12    private String name;13    public CustomerTestRule(String name) {14        this.name = name;15    }16    @Override17    public Statement apply(final Statement base, final Description description) {18        return new Statement() {19            @Override20            public void evaluate() throws Throwable {21                logger = Logger.getLogger(description.getTestClass().getName() + '.' + description.getDisplayName());22                logger.warning("Your test is showing! Rule name: " + name);...

Source:MyRunner.java

1package com.blacknebula.volkswagen;2import org.junit.Ignore;3import org.junit.rules.RunRules;4import org.junit.rules.TestRule;5import org.junit.runner.Description;6import org.junit.runner.notification.RunNotifier;7import org.junit.runners.BlockJUnit4ClassRunner;8import org.junit.runners.model.FrameworkMethod;9import org.junit.runners.model.InitializationError;10import java.util.Arrays;11class MyRunner extends BlockJUnit4ClassRunner {12    MyRunner(Class<?> klass) throws InitializationError {13        super(klass);14    }15    @Override16    protected void runChild(final FrameworkMethod method, RunNotifier notifier) {17        Description description = describeChild(method);18        if (method.getAnnotation(Ignore.class) != null) {19            notifier.fireTestIgnored(description);20        } else {21            RunRules runRules = new RunRules(methodBlock(method), Arrays.asList(new TestRule[]{new IgnoreCITestsRule()}), description);22            runLeaf(runRules, description, notifier);23        }24    }25}...

RunRules

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.rules.RunRules;4import org.junit.rules.TestRule;5import org.junit.rules.Verifier;6import org.junit.runner.Description;7import org.junit.runners.model.Statement;8import java.util.Arrays;9public class RunRulesTest {10    public RunRules runRules = new RunRules(new Verifier() {11        protected void verify() throws Throwable {12            System.out.println("Executing verify method of Verifier");13        }14    }, Arrays.asList(new TestRule() {15        public Statement apply(Statement base, Description description) {16            return new Statement() {17                public void evaluate() throws Throwable {18                    System.out.println("Executing apply method of TestRule");19                    base.evaluate();20                }21            };22        }23    }), false);24    public void testRunRules() {25        System.out.println("Executing test method");26    }27}28import org.junit.Rule;29import org.junit.Test;30import org.junit.rules.RunRules;31import org.junit.rules.TestRule;32import org.junit.rules.Verifier;33import org.junit.runner.Description;34import org.junit.runners.model.Statement;35import java.util.Arrays;36public class RunRulesTest {37    public RunRules runRules = new RunRules(new Verifier() {38        protected void verify() throws Throwable {39            System.out.println("Executing verify method of Verifier");40        }41    }, Arrays.asList(new TestRule() {

RunRules

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.rules.RunRules;4import org.junit.runner.Description;5import org.junit.runners.model.Statement;6public class RunRulesTest {7    public RunRules runRules = new RunRules(new MyRule(), new MyRule());8    public void test() {9        System.out.println("RunRulesTest.test");10    }11    private static class MyRule implements org.junit.rules.TestRule {12        public Statement apply(Statement base, Description description) {13            return new Statement() {14                public void evaluate() throws Throwable {15                    System.out.println("MyRule.apply");16                    base.evaluate();17                }18            };19        }20    }21}22import org.junit.Rule;23import org.junit.Test;24import org.junit.rules.RunRules;25import org.junit.runner.Description;26import org.junit.runners.model.Statement;27public class RunRulesTest {28    public RunRules runRules = new RunRules(new MyRule(), new MyRule());29    public void test() {30        System.out.println("RunRulesTest.test");31    }32    private static class MyRule implements org.junit.rules.TestRule {33        public Statement apply(Statement base, Description description) {34            return new Statement() {35                public void evaluate() throws Throwable {36                    System.out.println("MyRule.apply");37                    base.evaluate();38                }39            };40        }41    }42}

RunRules

Using AI Code Generation

1import org.junit.rules.RunRules;2import org.junit.Rule;3import org.junit.Test;4import org.junit.rules.TestRule;5import org.junit.rules.ExternalResource;6import org.junit.runner.Description;7import org.junit.runners.model.Statement;8public class RunRulesTest {9    public RunRules runRules = new RunRules(new TestRule() {10        public Statement apply(Statement base, Description description) {11            return new Statement() {12                public void evaluate() throws Throwable {13                    System.out.println("RunRulesTest: before");14                    base.evaluate();15                    System.out.println("RunRulesTest: after");16                }17            };18        }19    }, new ExternalResource() {20        protected void before() throws Throwable {21            System.out.println("ExternalResource: before");22        }23        protected void after() {24            System.out.println("ExternalResource: after");25        }26    });27    public void test() {28        System.out.println("test");29    }30}31import org.junit.rules.RuleChain;32import org.junit.Rule;33import org.junit.Test;34import org.junit.rules.TestRule;35import org.junit.rules.ExternalResource;36import org.junit.runner.Description;37import org.junit.runners.model.Statement;38public class RuleChainTest {39    public RuleChain ruleChain = RuleChain.outerRule(new TestRule() {40        public Statement apply(Statement base, Description description) {41            return new Statement() {42                public void evaluate() throws Throwable {43                    System.out.println("RuleChainTest: before");44                    base.evaluate();45                    System.out.println("RuleChainTest: after");46                }47            };48        }49    }).around(new ExternalResource() {50        protected void before() throws Throwable {51            System.out.println("ExternalResource: before");52        }53        protected void after() {54            System.out.println("ExternalResource: after");55        }56    });

RunRules

Using AI Code Generation

1import org.junit.rules.RunRules;2import org.junit.Rule;3import org.junit.Test;4import org.junit.rules.TestRule;5import org.junit.rules.Timeout;6import org.junit.runner.Description;7import org.junit.runners.model.Statement;8public class RunRulesExample {9    public RunRules rule = new RunRules(new TestRule() {10        public Statement apply(final Statement base,11                final Description description) {12            return new Statement() {13                public void evaluate() throws Throwable {14                    System.out.println("Rule is applied");15                    base.evaluate();16                }17            };18        }19    }, Timeout.millis(100));20    public void test() throws InterruptedException {21        System.out.println("Test is executed");22        Thread.sleep(200);23    }24}25RunRules(RunRules other)26RunRules(TestRule... rules)27RunRules(List<TestRule> rules)28Statement apply(Statement base, Description description)29package com.journaldev.junit.rules;30import java.util.Arrays;31import java.util.List;32import org.junit.Rule;33import org.junit.Test;34import org.junit.rules.ExternalResource;35import org.junit.rules.TestRule;36import org.junit.rules.Timeout;37import org.junit.runners.model.Statement;38public class RunRulesExample2 {39    public RunRules rule = new RunRules(Arrays.asList(new TestRule[] {40            new ExternalResource() {41                public Statement apply(Statement base, Description description) {42                    return new Statement() {43                        public void evaluate() throws Throwable {44                            System.out.println("Rule 1 is applied");45                            base.evaluate();46                        }47                    };48                }49            },50            new ExternalResource() {51                public Statement apply(Statement base, Description description) {52                    return new Statement() {53                        public void evaluate() throws Throwable {54                            System.out.println("Rule 2 is applied");55                            base.evaluate();56                        }57                    };58                }59            },60            Timeout.millis(

RunRules

Using AI Code Generation

1package com.javatpoint;  2import org.junit.rules.RunRules;  3import org.junit.runner.Description;  4import org.junit.runners.model.Statement;  5public class RunRulesExample {  6public static void main(String[] args) {  7RunRules runrules = new RunRules(new Statement() {  8public void evaluate() throws Throwable {  9System.out.println(“statement”);  10}  11}, Description.EMPTY);  12}  13}

RunRules

Using AI Code Generation

1package com.journaldev.junit.rules;2import org.junit.Rule;3import org.junit.Test;4import org.junit.rules.TestRule;5import org.junit.runner.Description;6import org.junit.runners.model.Statement;7public class RunRules {8    public TestRule rule = new TestRule() {9        public Statement apply(final Statement statement, final Description description) {10            return new Statement() {11                public void evaluate() throws Throwable {12                    System.out.println("before rule");13                    try {14                        statement.evaluate();15                    } finally {16                        System.out.println("after rule");17                    }18                }19            };20        }21    };22    public void test() {23        System.out.println("test");24    }25}

RunRules

Using AI Code Generation

1import org.junit.*;2import org.junit.rules.*;3import org.junit.runner.*;4import org.junit.runners.*;5import org.junit.runners.model.*;6import java.util.*;7import java.io.*;8public class RunRules {9	public TestRule watcher = new TestWatcher() {10		protected void starting(Description description) {11			System.out.println("Starting test: " + description.getMethodName());12		}13		protected void finished(Description description) {14			System.out.println("Finished test: " + description.getMethodName());15		}16	};17	public static void main(String[] args) {18		JUnitCore.runClasses(RunRules.class);19	}20	public void test1() {21		System.out.println("Test1");22	}23	public void test2() {24		System.out.println("Test2");25	}26}27package com.journaldev.junit;28import org.junit.*;29import org.junit.rules.*;30import org.junit.runner.*;31import org.junit.runners.*;32import org.junit.runners.model.*;33import java.util.*;34import java.io.*;35public class RunRules2 {36	public TestWatcher watcher = new TestWatcher() {37		protected void starting(Description description) {38			System.out.println("Starting test: " + description.getMethodName());39		}40		protected void finished(Description description) {41			System.out.println("Finished test: " + description.getMethodName());42		}43	};44	public static void main(String[] args) {45		JUnitCore.runClasses(RunRules2.class);46	}47	public void test1() {48		System.out.println("Test1");49	}50	public void test2() {51		System.out.println("Test2");52	}53}

Source: Convert wait & notifyAll code to use Java 1.5 Lock object

1  Map<String, ArrayList<String>> map = new Map<String, ArrayList<String>>();2  ArrayList<String> a= new  ArrayList<String>();3  a.add("Ganesh");4  map.put("Name", a);5

Source:Convert wait & notifyAll code to use Java 1.5 Lock object

  Map<String, ArrayList<String>> map = new Map<String, ArrayList<String>>();
  ArrayList<String> a= new  ArrayList<String>();
  a.add("Ganesh");
  map.put("Name", a);

JUnit Tutorial:

LambdaTest also has a detailed JUnit tutorial explaining its features, importance, advanced use cases, best practices, and more to help you get started with running your automation testing scripts.

JUnit Tutorial Chapters:

Here are the detailed JUnit testing chapters to help you get started:

Importance of Unit testing - Learn why Unit testing is essential during the development phase to identify bugs and errors.
Top Java Unit testing frameworks - Here are the upcoming JUnit automation testing frameworks that you can use in 2023 to boost your unit testing.
What is the JUnit framework
Why is JUnit testing important - Learn the importance and numerous benefits of using the JUnit testing framework.
Features of JUnit - Learn about the numerous features of JUnit and why developers prefer it.
JUnit 5 vs. JUnit 4: Differences - Here is a complete comparison between JUnit 5 and JUnit 4 testing frameworks.
Setting up the JUnit environment - Learn how to set up your JUnit testing environment.
Getting started with JUnit testing - After successfully setting up your JUnit environment, this chapter will help you get started with JUnit testing in no time.
Parallel testing with JUnit - Parallel Testing can be used to reduce test execution time and improve test efficiency. Learn how to perform parallel testing with JUnit.
Annotations in JUnit - When writing automation scripts with JUnit, we can use JUnit annotations to specify the type of methods in our test code. This helps us identify those methods when we run JUnit tests using Selenium WebDriver. Learn in detail what annotations are in JUnit.
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.
Nested Tests In JUnit 5 - A nested class is a non-static class contained within another class in a hierarchical structure. It can share the state and setup of the outer class. Learn about nested annotations in JUnit 5 with examples.
Best practices for JUnit testing - Learn about the best practices, such as always testing key methods and classes, integrating JUnit tests with your build, and more to get the best possible results.
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.