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How to use MultipleFailureException class of org.junit.runners.model package

Best junit code snippet using org.junit.runners.model.MultipleFailureException

MultipleFailureException`org.junit.runners.model.MultipleFailureException`

It happens when Junit runner recognize many failures and collect them into one.

Code Snippets

Here are code snippets that can help you understand more how developers are using

Source:TestRuleMarkFailure.java

...49      }50    };51  }52  /**53   * Is a given exception (or a MultipleFailureException) an 54   * {@link AssumptionViolatedException}?55   */56  public static boolean isAssumption(Throwable t) {57    for (Throwable t2 : expandFromMultiple(t)) {58      if (!(t2 instanceof AssumptionViolatedException)) {59        return false;60      }61    }62    return true;63  }64  /**65   * Expand from multi-exception wrappers.66   */67  private static List<Throwable> expandFromMultiple(Throwable t) {68    return expandFromMultiple(t, new ArrayList<Throwable>());69  }70  /** Internal recursive routine. */71  private static List<Throwable> expandFromMultiple(Throwable t, List<Throwable> list) {72    if (t instanceof org.junit.runners.model.MultipleFailureException) {73      for (Throwable sub : ((org.junit.runners.model.MultipleFailureException) t).getFailures()) {74        expandFromMultiple(sub, list);75      }76    } else {77      list.add(t);78    }79    return list;80  }81  /**82   * Taints this object and any chained as having failures.83   */84  public void markFailed() {85    failures = true;86    for (TestRuleMarkFailure next : chained) {87      next.markFailed();...

Source:OnFailureRule.java

1package com.composum.sling.platform.testing.testutil;2import org.junit.internal.AssumptionViolatedException;3import org.junit.rules.MethodRule;4import org.junit.runners.model.FrameworkMethod;5import org.junit.runners.model.MultipleFailureException;6import org.junit.runners.model.Statement;7import org.jetbrains.annotations.NotNull;8import java.util.ArrayList;9import java.util.List;10/**11 * A rule that allows registering some statements that are executed if the tests fail. This is12 * a {@link MethodRule} since these are executed before e.g. the SlingContext rule, so that we can print stuff13 * before the JCR is cleared.14 */15public class OnFailureRule implements MethodRule {16    @NotNull17    protected List<ErrorCollectorAlwaysPrintingFailures.TestingRunnableWithException> onFailureActions = new ArrayList<>();18    /** Register something that should be done on failure - e.g. printing additional debugging information. */19    public OnFailureRule(ErrorCollectorAlwaysPrintingFailures.TestingRunnableWithException onfailure) {20        this.onFailureActions.add(onfailure);21    }22    @Override23    public Statement apply(Statement base, FrameworkMethod method, Object target) {24        return new Statement() {25            @Override26            public void evaluate() throws Throwable {27                try {28                    base.evaluate();29                } catch (AssumptionViolatedException e) {30                    throw e;31                } catch (Throwable t) {32                    if (t instanceof MultipleFailureException) {33                        MultipleFailureException mf = (MultipleFailureException) t;34                        runOnFailures(mf.getFailures());35                        throw mf;36                    }37                    List<Throwable> failures = new ArrayList<>();38                    failures.add(t);39                    runOnFailures(failures);40                    MultipleFailureException.assertEmpty(failures);41                    throw t;42                }43            }44        };45    }46    /** Register something that should be done on failure - e.g. printing additional debugging information. */47    public OnFailureRule onFailure(ErrorCollectorAlwaysPrintingFailures.TestingRunnableWithException onfailure) {48        this.onFailureActions.add(onfailure);49        return this;50    }51    /**52     * Runs all actions registered with {@link #onFailure(ErrorCollectorAlwaysPrintingFailures.TestingRunnableWithException)} .53     *54     * @param failures here we add any throwables that happen during these actions....

Source:RunAfterFailures.java

1package com.accept.qa.testtask.runner;2import org.junit.runners.model.FrameworkMethod;3import org.junit.runners.model.MultipleFailureException;4import org.junit.runners.model.Statement;5import java.util.ArrayList;6import java.util.List;7/**8 * Implementation of execution after failure.9 * Gives ability to manipulate with failures: Skip, rerun etc...10 *11 * Created by mkhimich on 30.03.2017.12 */13public class RunAfterFailures extends Statement {14    private Statement nextStatement;15    private List<FrameworkMethod> afterFailures;16    private Object target;17    public RunAfterFailures(Statement statement, List<FrameworkMethod> failures, Object target) {18        this.nextStatement = statement;19        this.afterFailures = failures;20        this.target = target;21    }22    @Override23    public void evaluate() throws Throwable {24        ArrayList<Throwable> errors = new ArrayList<Throwable>();25        try {26            nextStatement.evaluate();27        } catch (Throwable th) {28            errors.add(th);29            for (FrameworkMethod m : afterFailures) {30                try {31                    m.invokeExplosively(target, th);32                } catch (Throwable th1) {33                    errors.add(th1);34                }35            }36        }37        if (errors.isEmpty()) {38            return;39        }40        if (errors.size() == 1) {41            throw errors.get(0);42        }43        throw new MultipleFailureException(errors);44    }45}...

Source:MultipleFailureException.java

...9import java.io.PrintWriter;10import java.io.StringWriter;11import java.util.List;12/**13 * Custom implementation of {@link org.junit.runners.model.MultipleFailureException} that includes14 * stack information of collected exception as a part of the message.15 */16public class MultipleFailureException extends org.junit.runners.model.MultipleFailureException {17  public MultipleFailureException(List<Throwable> errors) {18    super(errors);19  }20  @Override21  public String getMessage() {22    StringBuilder sb = new StringBuilder();23    List<Throwable> errors = getFailures();24    sb.append(String.format("There were %d errors:", errors.size()));25    int i = 0;26    for (Throwable e : errors) {27      sb.append(String.format("%n---- Error #%d", i));28      sb.append("\n" + getStackTraceAsString(e));29      i++;30    }31    sb.append("\n");...

Source:RunAfters.java

1package org.junit.internal.runners.statements;2import java.util.ArrayList;3import java.util.List;4import org.junit.runners.model.FrameworkMethod;5import org.junit.runners.model.MultipleFailureException;6import org.junit.runners.model.Statement;7public class RunAfters extends Statement {8    private final Statement next;9    private final Object target;10    private final List<FrameworkMethod> afters;11    public RunAfters(Statement next, List<FrameworkMethod> afters, Object target) {12        this.next = next;13        this.afters = afters;14        this.target = target;15    }16    @Override17    public void evaluate() throws Throwable {18        List<Throwable> errors = new ArrayList<Throwable>();19        try {20            next.evaluate();21        } catch (Throwable e) {22            errors.add(e);23        } finally {24            for (FrameworkMethod each : afters) {25                try {26                    each.invokeExplosively(target);27                } catch (Throwable e) {28                    errors.add(e);29                }30            }31        }32        MultipleFailureException.assertEmpty(errors);33    }34}...

MultipleFailureException

Using AI Code Generation

1import org.junit.runners.model.MultipleFailureException;2import org.junit.rules.TestRule;3import org.junit.runners.model.Statement;4import org.junit.runner.Description;5import org.junit.rules.TestWatcher;6import org.junit.runner.notification.Failure;7import org.junit.runner.notification.RunNotifier;8import org.junit.runners.model.InitializationError;9import org.junit.runners.BlockJUnit4ClassRunner;10import java.util.ArrayList;11import java.util.List;12public class TestRunner extends BlockJUnit4ClassRunner {13    public TestRunner(Class<?> klass) throws InitializationError {14        super(klass);15    }16    protected List<org.junit.runners.model.FrameworkMethod> computeTestMethods() {17        return super.computeTestMethods();18    }19    protected void runChild(20            RunNotifier notifier) {21        Description description = describeChild(method);22        if (isIgnored(method)) {23            notifier.fireTestIgnored(description);24        } else {25            runLeaf(methodBlock(method), description, notifier);26        }27    }28    private void runLeaf(final Statement statement, Description description,29                         final RunNotifier notifier) {30        Statement statement1 = statement(statement, description, notifier);31        runLeaf(statement1, description, notifier);32    }33    private Statement statement(final Statement statement,34                                Description description, final RunNotifier notifier) {35        List<Throwable> errors = new ArrayList<Throwable>();36        return statement(errors, statement, description, notifier);37    }38    private Statement statement(final List<Throwable> errors,39                                final RunNotifier notifier) {40        Statement statement1 = withPotentialTimeout(statement, description);41        return statement1(errors, statement1, description, notifier);42    }43    private Statement statement1(final List<Throwable> errors,44                                 final RunNotifier notifier) {45        Statement statement1 = withBefores(description, statement);46        return statement2(errors, statement1, description, notifier);47    }48    private Statement statement2(final List<Throwable> errors,49                                 final RunNotifier notifier) {50        Statement statement1 = withAfters(description, statement);51        return statement3(errors, statement1, description, notifier);52    }

MultipleFailureException

Using AI Code Generation

1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4import org.junit.runners.model.MultipleFailureException;5import java.util.List;6public class TestRunner {7   public static void main(String[] args) {8      Result result = JUnitCore.runClasses(TestJunit3.class);9      List<Throwable> failures = result.getFailures();10      if (failures.size() > 0) {11         MultipleFailureException mfe = new MultipleFailureException(failures);12         try {13            throw mfe;14         } catch (MultipleFailureException e) {15            e.printStackTrace();16         }17      }18      System.out.println(result.wasSuccessful());19   }20}211) testAdd(org.TestJunit3)222) testAdd1(org.TestJunit3)23at org.junit.runners.model.MultipleFailureException.assertEmpty(MultipleFailureException.java:67)24at org.junit.runners.model.MultipleFailureException.assertEmpty(MultipleFailureException.java:52)25at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:278)26at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:272)27at java.util.concurrent.FutureTask.run(FutureTask.java:266)28at java.lang.Thread.run(Thread.java:748)29JUnit 4: JUnit 4 @Test(timeout)30JUnit 4: JUnit 4 @Test(expected)

MultipleFailureException

Using AI Code Generation

1package com.journaldev.junit.exception;2import org.junit.Test;3import org.junit.runner.JUnitCore;4import org.junit.runner.Result;5import org.junit.runner.notification.Failure;6import org.junit.runners.model.MultipleFailureException;7import java.util.Arrays;8import java.util.List;9public class MultipleFailureExceptionTest {10    public void testMultipleFailureException() {11        Result result = JUnitCore.runClasses(TestMultipleFailureException.class);12        System.out.println("Result: "+result.wasSuccessful());13        System.out.println("Failure count: "+result.getFailureCount());14        List<Failure> failures = result.getFailures();15        for (Failure failure : failures) {16            System.out.println(failure.getMessage());17        }18    }19}20package com.journaldev.junit.exception;21import org.junit.Test;22import org.junit.runner.RunWith;23import org.junit.runners.model.MultipleFailureException;24import org.junit.runners.model.TestClass;25import java.util.ArrayList;26import java.util.List;27import static org.junit.Assert.assertEquals;28public class TestMultipleFailureException {29    public void testMultipleFailureException() {30        List<Throwable> failures = new ArrayList<>();31        failures.add(new Throwable("Error 1"));32        failures.add(new Throwable("Error 2"));33        failures.add(new Throwable("Error 3"));34        MultipleFailureException multipleFailureException = new MultipleFailureException(failures);35        assertEquals(3, multipleFailureException.getFailures().size());36    }37}38Multiple Failures (3 failures)39org.junit.runners.model.MultipleFailureException: Multiple Failures (3 failures)40    at org.junit.runners.model.MultipleFailureException.assertEmpty(MultipleFailureException.java:65)41    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:46)42    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)43    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)44    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)45    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)46    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)47    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)

MultipleFailureException

Using AI Code Generation

1import org.junit.runner.RunWith;2import org.junit.runners.model.MultipleFailureException;3import org.junit.runners.model.Statement;4import org.junit.runners.BlockJUnit4ClassRunner;5import java.util.List;6@RunWith(BlockJUnit4ClassRunner.class)7public class MultipleFailureExceptionTest {8    public static void main(String[] args) {9        org.junit.runner.JUnitCore.main("MultipleFailureExceptionTest");10    }11    public void testMultipleFailureException() {12        org.junit.runners.model.MultipleFailureException multipleFailureException = new org.junit.runners.model.MultipleFailureException(null);13        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Exception);14        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Throwable);15        org.junit.Assert.assertTrue(multipleFailureException instanceof java.io.Serializable);16        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Iterable);17    }18    public void testMultipleFailureException2() {19        java.util.List<java.lang.Throwable> list = new java.util.ArrayList<java.lang.Throwable>();20        org.junit.runners.model.MultipleFailureException multipleFailureException = new org.junit.runners.model.MultipleFailureException(list);21        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Exception);22        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Throwable);23        org.junit.Assert.assertTrue(multipleFailureException instanceof java.io.Serializable);24        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Iterable);25    }26    public void testMultipleFailureException3() {27        java.util.List<java.lang.Throwable> list = new java.util.ArrayList<java.lang.Throwable>();28        org.junit.runners.model.MultipleFailureException multipleFailureException = new org.junit.runners.model.MultipleFailureException(list);29        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Exception);30        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Throwable);31        org.junit.Assert.assertTrue(multipleFailureException instanceof java.io.Serializable);32        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Iterable);33    }34    public void testMultipleFailureException4() {35        java.util.List<java.lang.Throwable> list = new java.util.ArrayList<java.lang.Throwable>();36        org.junit.runners.model.MultipleFailureException multipleFailureException = new org.junit.runners.model.MultipleFailureException(list);37        org.junit.Assert.assertTrue(multipleFailureException instanceof java.lang.Exception);

MultipleFailureException

Using AI Code Generation

1public class MultipleFailureExceptionTest {2    public void test1() {3        List<Throwable> errors = new ArrayList<>();4        errors.add(new RuntimeException("Error 1"));5        errors.add(new RuntimeException("Error 2"));6        errors.add(new RuntimeException("Error 3"));7        errors.add(new RuntimeException("Error 4"));8        throw new MultipleFailureException(errors);9    }10}11	at org.junit.runners.model.MultipleFailureException.assertEmpty(MultipleFailureException.java:107)12	at org.junit.runners.model.MultipleFailureException.assertEmpty(MultipleFailureException.java:101)13	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:80)14	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)15	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)16	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)17	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)18	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)19	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)20	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)21	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)22	at org.junit.runner.JUnitCore.run(JUnitCore.java:115)23	at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43)24	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)25	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)26	at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)27	at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)28	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)29	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)30	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)

MultipleFailureException

Using AI Code Generation

1public class JUnit4TestRunner {2    public static void main(String[] args) {3        Result result = JUnitCore.runClasses(JUnit4Test.class);4        for (Failure failure : result.getFailures()) {5            System.out.println(failure.toString());6        }7        System.out.println(result.wasSuccessful());8    }9}10import org.junit.Test;11import java.util.Arrays;12import java.util.List;13import static org.junit.Assert.assertEquals;14public class JUnit4Test {15    public void test() {16        List<Integer> expected = Arrays.asList(1, 2, 3);17        List<Integer> actual = Arrays.asList(1, 2, 3);18        assertEquals(expected, actual);19    }20}21    at org.junit.Assert.assertEquals(Assert.java:115)22    at org.junit.Assert.assertEquals(Assert.java:144)23    at JUnit4Test.test(JUnit4Test.java:11)24    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)25    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)26    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)27    at java.lang.reflect.Method.invoke(Method.java:498)28    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)29    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)30    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)31    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)32    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)33    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)34    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)35    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)36    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)

MultipleFailureException

Using AI Code Generation

1@RunWith(JUnit4.class)2public class MultipleFailureExceptionTest {3    private static final String MESSAGE = "Multiple failures";4    private static final List<Throwable> EMPTY_LIST = new ArrayList<Throwable>();5    private static final List<Throwable> LIST_WITH_ONE_ELEMENT = new ArrayList<Throwable>();6    private static final List<Throwable> LIST_WITH_TWO_ELEMENTS = new ArrayList<Throwable>();7    public static void setUp() {8        LIST_WITH_ONE_ELEMENT.add(new Throwable());9        LIST_WITH_TWO_ELEMENTS.add(new Throwable());10        LIST_WITH_TWO_ELEMENTS.add(new Throwable());11    }12    public void testConstructorWithMessageAndEmptyList() {13        try {14            new MultipleFailureException(MESSAGE, EMPTY_LIST);15            fail();16        } catch (IllegalArgumentException e) {17        }18    }19    public void testConstructorWithMessageAndListWithOneElement() {20        try {21            new MultipleFailureException(MESSAGE, LIST_WITH_ONE_ELEMENT);22            fail();23        } catch (IllegalArgumentException e) {24        }25    }26    public void testConstructorWithMessageAndListWithTwoElements() {27        MultipleFailureException e = new MultipleFailureException(MESSAGE, LIST_WITH_TWO_ELEMENTS);28        assertEquals(MESSAGE, e.getMessage());29        assertEquals(LIST_WITH_TWO_ELEMENTS, e.getFailures());30    }31    public void testConstructorWithEmptyList() {32        try {33            new MultipleFailureException(EMPTY_LIST);34            fail();35        } catch (IllegalArgumentException e) {36        }37    }38    public void testConstructorWithListWithOneElement() {39        try {40            new MultipleFailureException(LIST_WITH_ONE_ELEMENT);41            fail();42        } catch (IllegalArgumentException e) {43        }44    }45    public void testConstructorWithListWithTwoElements() {46        MultipleFailureException e = new MultipleFailureException(LIST_WITH_TWO_ELEMENTS);47        assertEquals(LIST_WITH_TWO_ELEMENTS, e.getFailures());48    }49    public void testGetFailures() {50        MultipleFailureException e = new MultipleFailureException(MESSAGE, LIST_WITH_TWO_ELEMENTS);51        assertEquals(LIST_WITH_TWO_ELEMENTS, e.getFailures());52    }53    public void testGetMessage() {

Source: Retry after Exception in Groovy

1int freePort = findFreePort();23chromeOptions.addArguments("--remote-debugging-port=" + freePort);45ChromeDriver driver = new ChromeDriver(chromeOptions);`6

Source: JUnit tearDown() finishes executing before my tests finish (using custom runner)

1var xhr = new XMLHttpRequest();2xhr.open('GET', 'http://exampleurl.ex', false);3xhr.send(null);45assert(200, xhr.status);6

Source:JUnit tearDown() finishes executing before my tests finish (using custom runner)

var xhr = new XMLHttpRequest();
xhr.open('GET', 'http://exampleurl.ex', false);
xhr.send(null);

assert(200, xhr.status);

Source: Adding spock to eclipse without maven: General error during semantic analysis

1public static boolean linkExists(String URLName){2    try {3        HttpURLConnection.setFollowRedirects(false);4        HttpURLConnection con = (HttpURLConnection) new URL(URLName).openConnection();5        con.setRequestMethod("HEAD");6        return (con.getResponseCode() == HttpURLConnection.HTTP_OK);7    }8    catch (Exception e) {9        e.printStackTrace();10        return false;11    }12}13

Source:Adding spock to eclipse without maven: General error during semantic analysis

public static boolean linkExists(String URLName){
    try {
        HttpURLConnection.setFollowRedirects(false);
        HttpURLConnection con = (HttpURLConnection) new URL(URLName).openConnection();
        con.setRequestMethod("HEAD");
        return (con.getResponseCode() == HttpURLConnection.HTTP_OK);
    }
    catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

JUnit Tutorial:

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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.