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How to use getRunnerAnnotations method of org.junit.runners.parameterized.BlockJUnit4RunnerWithParameters class

Best junit code snippet using org.junit.runners.parameterized.BlockJUnit4RunnerWithParameters.getRunnerAnnotations

getRunnerAnnotations

Using AI Code Generation

1import org.junit.runner.RunWith;2import org.junit.runners.Parameterized;3import org.junit.runners.Parameterized.Parameters;4import org.junit.runners.Parameterized.BlockJUnit4RunnerWithParameters;5import java.lang.annotation.Annotation;6import java.lang.reflect.Field;7import java.lang.reflect.Method;8import java.util.Arrays;9import java.util.Collection;10public class TestRunner {11    @RunWith(Parameterized.class)12    public static class TestClass {13        public static Collection<Object[]> data() {14            return Arrays.asList(new Object[][] { { 1, 2 }, { 3, 4 }, { 5, 6 } });15        }16        public TestClass(int a, int b) {17        }18    }19    public static void main(String[] args) {20        try {21            BlockJUnit4RunnerWithParameters runner = new BlockJUnit4RunnerWithParameters(TestClass.class);22            Annotation[] annotations = runner.getRunnerAnnotations();23            System.out.println("Runner annotations: " + Arrays.toString(annotations));24            Field field = runner.getClass().getDeclaredField("fTest");25            field.setAccessible(true);26            Object fTest = field.get(runner);27            Method getRunnerAnnotations = fTest.getClass().getDeclaredMethod("getRunnerAnnotations");28            getRunnerAnnotations.setAccessible(true);29            Annotation[] fTestAnnotations = (Annotation[]) getRunnerAnnotations.invoke(fTest);30            System.out.println("fTest annotations: " + Arrays.toString(fTestAnnotations));31        } catch (Exception e) {32            e.printStackTrace();33        }34    }35}36Runner annotations: [@org.junit.runners.Parameterized$Parameters()]37fTest annotations: [@org.junit.runners.Parameterized$Parameters()]

getRunnerAnnotations

Using AI Code Generation

1    public class BlockJUnit4RunnerWithParameters extends BlockJUnit4ClassRunner {2        public BlockJUnit4RunnerWithParameters(Class<?> klass) throws Throwable {3            super(klass);4        }5        protected Object createTest() throws Exception {6            return getTestClass().getOnlyConstructor().newInstance(computeParams());7        }8        protected String getName() {9            return String.format("[%s]", Arrays.toString(computeParams()));10        }11        protected String testName(final FrameworkMethod method) {12            return method.getName() + getName();13        }14        protected void validateConstructor(final List<Throwable> errors) {15            validateOnlyOneConstructor(errors);16        }17        protected void validateTestMethods(final List<Throwable> errors) {18        }19        protected Statement classBlock(final RunNotifier notifier) {20            return childrenInvoker(notifier);21        }22        protected Annotation[] getRunnerAnnotations() {23            return new Annotation[0];24        }25        protected List<FrameworkMethod> computeTestMethods() {26            return getTestClass().getAnnotatedMethods(Test.class);27        }28        protected Statement methodBlock(final FrameworkMethod method) {29            Object test;30            try {31                test = new ReflectiveCallable() {32                    protected Object runReflectiveCall() throws Throwable {33                        return createTest();34                    }35                }.run();36            } catch (Throwable e) {37                return new Fail(e);38            }39            Statement statement = methodInvoker(method, test);40            statement = possiblyExpectingExceptions(method, test, statement);41            statement = withPotentialTimeout(method, test, statement);42            statement = withBefores(method, test, statement);43            statement = withAfters(method, test, statement);44            statement = withRules(method, test, statement);45            return statement;46        }47        private Object[] computeParams() throws Throwable {48            return (Object[]) getParametersMethod().invokeExplosively(null);49        }50        private FrameworkMethod getParametersMethod() throws Exception {51            List<FrameworkMethod> methods = getTestClass().getAnnotatedMethods(Parameters.class);52            for (FrameworkMethod each : methods) {53                int modifiers = each.getMethod().getModifiers();54                if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers)) {55                    return each;56                }

getRunnerAnnotations

Using AI Code Generation

1public class ParameterizedTestRunner extends BlockJUnit4ClassRunner {2    private static final String RUNNER_ANNOTATION = "org.junit.runners.parameterized.RunnerAnnotation";3    public ParameterizedTestRunner(Class<?> klass) throws Throwable {4        super(klass);5    }6    protected List<FrameworkMethod> computeTestMethods() {7        List<FrameworkMethod> testMethods = new ArrayList<FrameworkMethod>();8        for (FrameworkMethod method : getTestClass().getAnnotatedMethods(Test.class)) {9            if (method.isStatic()) {10                testMethods.add(method);11            } else {12                for (Object[] parametersOfSingleTest : getParametersList(method)) {13                    testMethods.add(buildFrameworkMethodForParameters(method, parametersOfSingleTest));14                }15            }16        }17        return testMethods;18    }19    private FrameworkMethod buildFrameworkMethodForParameters(final FrameworkMethod method, final Object[] parameters) {20        return new FrameworkMethod(method.getMethod()) {21            public Object invokeExplosively(Object target, Object... params) throws Throwable {22                return method.invokeExplosively(target, parameters);23            }24        };25    }26    private List<Object[]> getParametersList(FrameworkMethod method) {27        try {28            return (List<Object[]>) getParametersMethod(method).invokeExplosively(null);29        } catch (Throwable e) {30            throw new RuntimeException(e);31        }32    }33    private FrameworkMethod getParametersMethod(FrameworkMethod method) throws Exception {34        List<FrameworkMethod> methods = getTestClass().getAnnotatedMethods(Parameters.class);35        for (FrameworkMethod m : methods) {36            if (m.getMethod().getName().equals(method.getMethod().getName())) {37                return m;38            }39        }40        throw new Exception("No Parameters method found for " + method.getName());41    }42    protected Statement methodInvoker(FrameworkMethod method, Object test) {43        Statement statement = super.methodInvoker(method, test);44        return withPotentialRepeat(statement);45    }46    private Statement withPotentialRepeat(Statement statement) {47        int repeat = getRepeatCount();48        if (repeat > 0) {49            return new RepeatStatement(statement, repeat);50        }51        return statement;52    }53    private int getRepeatCount() {54        int repeat = 0;55        try {56            List<Annotation> runnerAnnotations = getRunnerAnnotations();57            for (Annotation annotation : runnerAnnotations) {58                if (annotation instanceof Repeat

getRunnerAnnotations

Using AI Code Generation

1import org.junit.runners.parameterized.BlockJUnit4RunnerWithParameters;2    public class CustomRunner extends BlockJUnit4RunnerWithParameters(Object) {3        public CustomRunner(Class<?> klass) throws Throwable {4            super(klass);5        }6        protected List<FrameworkMethod> getChildren() {7            List<FrameworkMethod> children = super.getChildren();8            List<FrameworkMethod> result = new ArrayList<>();9            for (FrameworkMethod child : children) {10                result.addAll(getRunnerAnnotations(child.getMethod()));11            }12            return result;13        }14        protected Description describeChild(FrameworkMethod method) {15            Description description = super.describeChild(method);16            List<Annotation> annotations = getRunnerAnnotations(method.getMethod());17            if (annotations.size() > 0) {18                Description result = Description.createSuiteDescription(description.getDisplayName());19                for (Annotation annotation : annotations) {20                    result.addChild(Description.createTestDescription(description.getClassName(), description.getMethodName(), annotation));21                }22                return result;23            }24            return description;25        }26        protected void runChild(FrameworkMethod method, RunNotifier notifier) {27            List<Annotation> annotations = getRunnerAnnotations(method.getMethod());28            if (annotations.size() > 0) {29                for (Annotation annotation : annotations) {30                    Description description = Description.createTestDescription(method.getDeclaringClass(), method.getName(), annotation);31                    runLeaf(methodBlock(method), description, notifier);32                }33            } else {34                super.runChild(method, notifier);35            }36        }37        private List<Annotation> getRunnerAnnotations(Method method) {38            List<Annotation> result = new ArrayList<>();39            for (Annotation annotation : method.getAnnotations()) {40                if (annotation.annotationType().isAnnotationPresent(RunnerAnnotation.class)) {41                    result.add(annotation);42                }43            }44            return result;45        }46    }

getRunnerAnnotations

Using AI Code Generation

1    public void testGetRunnerAnnotations() throws Exception {2        BlockJUnit4ClassRunnerWithParameters runner = new BlockJUnit4ClassRunnerWithParameters(3                TestClass.class.getConstructor(String.class),4                Arrays.asList(new Object[] { "foo" }));5        Annotation[] annotations = runner.getRunnerAnnotations();6        assertEquals(1, annotations.length);7        assertEquals(RunWith.class, annotations[0].annotationType());8    }9}

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.