KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use wrap method of com.greghaskins.spectrum.internal.hooks.Hooks class

Best Spectrum code snippet using com.greghaskins.spectrum.internal.hooks.Hooks.wrap

Source:RuleContext.java

1package com.greghaskins.spectrum.internal.junit;2import static com.greghaskins.spectrum.internal.junit.StubJUnitFrameworkMethod.stubFrameworkMethod;3import com.greghaskins.spectrum.Block;4import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;5import com.greghaskins.spectrum.internal.hooks.Hook;6import org.junit.AfterClass;7import org.junit.BeforeClass;8import org.junit.ClassRule;9import org.junit.Rule;10import org.junit.internal.runners.statements.RunAfters;11import org.junit.internal.runners.statements.RunBefores;12import org.junit.rules.MethodRule;13import org.junit.rules.RunRules;14import org.junit.rules.TestRule;15import org.junit.runner.Description;16import org.junit.runners.model.FrameworkMethod;17import org.junit.runners.model.Statement;18import org.junit.runners.model.TestClass;19import java.util.List;20import java.util.function.Supplier;21import java.util.stream.Collectors;22import java.util.stream.Stream;23/**24 * Tracks a junit.rule that must be applied to all descendants of a suite.25 */26public class RuleContext<T> implements Supplier<T> {27  private final Class<T> ruleClass;28  private final TestClass testClass;29  private T currentTestObject;30  private final boolean constructEveryTime;31  RuleContext(final Class<T> ruleClass) {32    this.ruleClass = ruleClass;33    this.testClass = new TestClass(ruleClass);34    this.constructEveryTime = true;35  }36  @SuppressWarnings("unchecked")37  RuleContext(final T object) {38    this.ruleClass = (Class<T>) object.getClass();39    this.testClass = new TestClass(this.ruleClass);40    this.currentTestObject = object;41    this.constructEveryTime = false;42  }43  @Override44  public T get() {45    return currentTestObject;46  }47  /**48   * Construct the class level hook.49   * @return the hook50   */51  Hook classHook() {52    return (description, notifier,53        block) -> withClassBlock(statementOf(block), fakeForJunit(description))54            .evaluate();55  }56  /**57   * Construct a hook for around methods.58   * @return the hook59   */60  Hook methodHook() {61    return (description, notifier, block) -> decorate(statementOf(block), fakeForJunit(description))62        .evaluate();63  }64  /**65   * Add the method and test rules execution around a test method statement.66   * @param base the base statement67   * @param description of the child68   * @return the statement to use to execute the child within the rules69   * @throws Throwable on error70   */71  private Statement decorate(final Statement base, final Description description) throws Throwable {72    if (constructEveryTime) {73      constructTestObject();74    }75    return withTestRules(getTestRules(currentTestObject),76        withMethodRules(base, getMethodRules(currentTestObject)), description);77  }78  private void constructTestObject() throws Throwable {79    ConstructorBlock<T> constructor = new ConstructorBlock<>(ruleClass);80    constructor.run();81    currentTestObject = constructor.get();82  }83  private Statement withMethodRules(final Statement base, final List<MethodRule> methodRules) {84    FrameworkMethod method = stubFrameworkMethod();85    return decorateWithMethodRules(base, methodRules, method);86  }87  private Statement decorateWithMethodRules(final Statement base,88      final List<MethodRule> methodRules,89      final FrameworkMethod method) {90    Statement result = base;91    for (MethodRule each : methodRules) {92      result = each.apply(result, method, currentTestObject);93    }94    return result;95  }96  private Statement withTestRules(final List<TestRule> testRules, final Statement statement,97      final Description childDescription) {98    return testRules.isEmpty() ? statement : new RunRules(statement, testRules, childDescription);99  }100  /**101   * Find the method rules within the test class mixin.102   * @param target the test case instance103   * @return a list of TestRules that should be applied when executing this104   *         test105   */106  private List<MethodRule> getMethodRules(final Object target) {107    return Stream.concat(108        testClass.getAnnotatedMethodValues(target, Rule.class, MethodRule.class).stream(),109        testClass.getAnnotatedFieldValues(target, Rule.class, MethodRule.class).stream())110        .collect(Collectors.toList());111  }112  /**113   * Find the test rules within the test mixin.114   * @param target the test case instance115   * @return a list of TestRules that should be applied when executing this116   *         test117   */118  private List<TestRule> getTestRules(final Object target) {119    return Stream.concat(120        testClass.getAnnotatedMethodValues(target, Rule.class, TestRule.class).stream(),121        testClass.getAnnotatedFieldValues(target, Rule.class, TestRule.class).stream())122        .collect(Collectors.toList());123  }124  private boolean hasAnyTestOrMethodRules() {125    return !testClass.getAnnotatedFields(Rule.class).isEmpty()126        || !testClass.getAnnotatedMethods(Rule.class).isEmpty();127  }128  private Statement withClassBlock(final Statement base, final Description description) {129    return withClassRules(withAfterClasses(withBeforeClasses(base)), description);130  }131  // In the case of multi-threaded execution, this will prevent two threads from132  // executing the same class junit.rule.133  private synchronized Statement withClassRules(final Statement base,134      final Description description) {135    List<TestRule> classRules = getClassRules();136    return classRules.isEmpty() ? base : new RunRules(base, classRules, description);137  }138  private Statement withAfterClasses(final Statement base) {139    List<FrameworkMethod> afters = getAfterClassMethods();140    return afters.isEmpty() ? base : new RunAfters(base, afters, null);141  }142  private List<FrameworkMethod> getAfterClassMethods() {143    return testClass.getAnnotatedMethods(AfterClass.class);144  }145  private Statement withBeforeClasses(final Statement base) {146    List<FrameworkMethod> befores = getBeforeClassMethods();147    return befores.isEmpty() ? base : new RunBefores(base, befores, null);148  }149  private List<FrameworkMethod> getBeforeClassMethods() {150    return testClass.getAnnotatedMethods(BeforeClass.class);151  }152  private List<TestRule> getClassRules() {153    return Stream.concat(154        testClass.getAnnotatedMethodValues(null, ClassRule.class, TestRule.class).stream(),155        testClass.getAnnotatedFieldValues(null, ClassRule.class, TestRule.class).stream())156        .collect(Collectors.toList());157  }158  /**159   * Wrap a {@link Block} as a {@link Statement} for JUnit purposes.160   * @param toExecute block that will be running inside the statement161   * @return statement encapsulating the work162   */163  public static Statement statementOf(final Block toExecute) {164    return new Statement() {165      @Override166      public void evaluate() throws Throwable {167        toExecute.run();168      }169    };170  }171  /**172   * Does the object provided actually have any rules.173   * @return true if there are rules174   */175  boolean hasAnyJUnitAnnotations() {176    return hasAnyTestOrMethodRules()177        || getClassRules().size() + getAfterClassMethods().size() + getBeforeClassMethods().size() > 0;178  }179  /**180   * The Description objects from {@link com.greghaskins.spectrum.Spectrum} are not from the181   * class that the JUnit rules expect.182   * @param description to convert to something JUnit can cope with183   * @return a new description184   */185  private Description fakeForJunit(final Description description) {186    return Description.createTestDescription(testClass.getJavaClass(), description.getMethodName());187  }188}...

Source:Hooks.java

1package com.greghaskins.spectrum.internal.hooks;2import static com.greghaskins.spectrum.internal.blocks.NotifyingBlock.wrapWithReporting;3import static com.greghaskins.spectrum.internal.hooks.NonReportingHook.nonReportingHookFrom;4import com.greghaskins.spectrum.Block;5import com.greghaskins.spectrum.Variable;6import com.greghaskins.spectrum.internal.RunReporting;7import com.greghaskins.spectrum.internal.blocks.NotifyingBlock;8import org.junit.runner.Description;9import org.junit.runner.notification.Failure;10import java.util.ArrayList;11import java.util.function.Predicate;12/**13 * Collection of hooks. It is a linked list, but provides some helpers for14 * passing hooks down a generation.15 */16public class Hooks extends ArrayList<HookContext> {17  private static final long serialVersionUID = 1L;18  public Hooks once() {19    return filtered(HookContext::isOnce);20  }21  public Hooks forNonAtomic() {22    return filtered(context -> !context.isOnce() && !context.isAtomicOnly());23  }24  public Hooks forAtomic() {25    return filtered(HookContext::isAtomicOnly);26  }27  public Hooks forThisLevel() {28    return filtered(HookContext::isEachChild);29  }30  /**31   * Run the hooks on the right in the correct order AFTER these ones.32   * @param other to add to this33   * @return this for fluent use34   */35  public Hooks plus(Hooks other) {36    addAll(other);37    return this;38  }39  /**40   * Return a hooks object where the hooks from this have been sorted into execution order.41   * @return new hooks sorted into the order for execution42   */43  public Hooks sorted() {44    Hooks result = new Hooks();45    result.addAll(this);46    result.sort(HookContext::compareTo);47    return result;48  }49  /**50   * Convert the hooks into a chain of responsibility and execute as51   * a consumer of the given block.52   * @param description test node being run53   * @param reporting test result notifier54   * @param block to execute55   */56  public void runAround(final Description description, final RunReporting<Description, Failure> reporting,57      final Block block) {58    NotifyingBlock.run(description, reporting,59        () -> runAroundInternal(description, reporting, block));60  }61  private void runAroundInternal(final Description description,62      final RunReporting<Description, Failure> reporting,63      final Block block) throws Throwable {64    Variable<Boolean> hooksRememberedToRunTheInner = new Variable<>(false);65    Hook chainOfResponsibility = createChainOfResponsibility(hooksRememberedToRunTheInner);66    executeChain(description, reporting, block, chainOfResponsibility);67    if (!hooksRememberedToRunTheInner.get()) {68      throw new RuntimeException("At least one of the test hooks did not run the test block.");69    }70  }71  private Hook createChainOfResponsibility(Variable<Boolean> hooksRememberedToRunTheInner) {72    Hook chainOfResponsibility = innerHook(hooksRememberedToRunTheInner);73    for (HookContext context : this) {74      chainOfResponsibility = wrap(chainOfResponsibility, context);75    }76    return chainOfResponsibility;77  }78  private void executeChain(final Description description,79      final RunReporting<Description, Failure> reporting,80      final Block block, final Hook chainOfResponsibility) throws Throwable {81    chainOfResponsibility.accept(description, reporting, block);82  }83  private Hook innerHook(final Variable<Boolean> hooksRememberedToRunTheInner) {84    return nonReportingHookFrom((description, reporting, block) -> {85      hooksRememberedToRunTheInner.set(true);86      block.run();87    });88  }89  private Hook wrap(final Hook inner, final HookContext outer) {90    return (description, reporting, block) -> outer.getHook().accept(description, reporting,91        conditionallyWrapWithReporting(inner, description, reporting,92            () -> inner.accept(description, reporting, block)));93  }94  private static Block conditionallyWrapWithReporting(final Hook forHook, final Description description,95      final RunReporting<Description, Failure> reporting, final Block innerBlock) {96    if (forHook.requiresUnreportedInnerBlock()) {97      return innerBlock;98    }99    return wrapWithReporting(description, reporting, innerBlock);100  }101  private Hooks filtered(Predicate<HookContext> predicate) {102    Hooks filtered = new Hooks();103    stream().filter(predicate).forEach(filtered::add);104    return filtered;105  }106}...

Source:TimeoutWrapper.java

1package com.greghaskins.spectrum.internal.junit;2import static com.greghaskins.spectrum.internal.hooks.NonReportingHook.nonReportingHookFrom;3import static com.greghaskins.spectrum.internal.junit.RuleContext.statementOf;4import com.greghaskins.spectrum.internal.hooks.NonReportingHook;5import org.junit.internal.runners.statements.FailOnTimeout;6import java.time.Duration;7import java.util.concurrent.TimeUnit;8/**9 * Wrap JUnit's timeout mechanism as a {@link NonReportingHook}.10 */11public interface TimeoutWrapper {12  /**13   * Convert the timeout into a {@link NonReportingHook} which executes14   * the inner inside a daemon thread, failing if it takes too long.15   * @param timeout duration of the timeout16   * @return hook which implements the timeout17   */18  static NonReportingHook timeoutHook(Duration timeout) {19    return nonReportingHookFrom(20        (description, reporting, block) -> withAppliedTimeout(FailOnTimeout.builder(), timeout)21            .build(statementOf(block))22            .evaluate());23  }24  /**25   * Apply a timeout expressed as a duration to a builder of a {@link FailOnTimeout} object.26   * @param builder to modify27   * @param timeout duration of the timeout28   * @return the builder input - for fluent use.29   */30  static FailOnTimeout.Builder withAppliedTimeout(FailOnTimeout.Builder builder, Duration timeout) {31    builder.withTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);32    return builder;33  }34}...

wrap

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.Hooks;3import com.greghaskins.spectrum.Hooks.Hook;4import com.greghaskins.spectrum.internal.hooks.Hooks.HookWrapper;5import com.greghaskins.spectrum.internal.hooks.Hooks.HookWrapper.HookWrapperBuilder;6import java.util.function.Supplier;7public class Hooks {8  public static class HookWrapperBuilder {9    private final Hook hook;10    public HookWrapperBuilder(final Hook hook) {11      this.hook = hook;12    }13    public HookWrapperBuilder with(final Hook hook) {14      return new HookWrapperBuilder(this.hook.andThen(hook));15    }16    public HookWrapper wrap() {17      return new HookWrapper(this.hook);18    }19  }20  public static class HookWrapper {21    private final Hook hook;22    private HookWrapper(final Hook hook) {23      this.hook = hook;24    }25    public void run() {26      this.hook.run();27    }28  }29  public static HookWrapperBuilder wrap(final Hook hook) {30    return new HookWrapperBuilder(hook);31  }32}33package com.greghaskins.spectrum.internal.hooks;34import com.greghaskins.spectrum.Hooks;35import com.greghaskins.spectrum.Hooks.Hook;36import com.greghaskins.spectrum.internal.hooks.Hooks.HookWrapper;37import com.greghaskins.spectrum.internal.hooks.Hooks.HookWrapper.HookWrapperBuilder;38import java.util.function.Supplier;39public class Hooks {40  public static class HookWrapperBuilder {41    private final Hook hook;42    public HookWrapperBuilder(final Hook hook) {43      this.hook = hook;44    }45    public HookWrapperBuilder with(final Hook hook) {46      return new HookWrapperBuilder(this.hook.andThen(hook));47    }48    public HookWrapper wrap() {49      return new HookWrapper(this.hook);50    }51  }52  public static class HookWrapper {53    private final Hook hook;54    private HookWrapper(final Hook hook) {55      this.hook = hook;56    }57    public void run() {58      this.hook.run();59    }60  }61  public static HookWrapperBuilder wrap(final Hook hook)

wrap

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.Block;3import com.greghaskins.spectrum.internal.configuration.Hooks;4import com.greghaskins.spectrum.internal.configuration.Hooks.Hook;5import java.util.ArrayList;6import java.util.List;7public class Hooks {8  private final List<Hook> hooks = new ArrayList<>();9  public Hooks() {10    this.hooks.add(new Hook("beforeEach", new Block() {11      public void execute() throws Throwable {12      }13    }));14  }15  public List<Hook> getHooks() {16    return this.hooks;17  }18}19package com.greghaskins.spectrum.internal.hooks;20import com.greghaskins.spectrum.Block;21import com.greghaskins.spectrum.internal.configuration.Hooks;22import com.greghaskins.spectrum.internal.configuration.Hooks.Hook;23import java.util.ArrayList;24import java.util.List;25public class Hooks {26  private final List<Hook> hooks = new ArrayList<>();27  public Hooks() {28    this.hooks.add(new Hook("afterEach", new Block() {29      public void execute() throws Throwable {30      }31    }));32  }33  public List<Hook> getHooks() {34    return this.hooks;35  }36}37package com.greghaskins.spectrum.internal.hooks;38import com.greghaskins.spectrum.Block;39import com.greghaskins.spectrum.internal.configuration.Hooks;40import com.greghaskins.spectrum.internal.configuration.Hooks.Hook;41import java.util.ArrayList;42import java.util.List;43public class Hooks {44  private final List<Hook> hooks = new ArrayList<>();45  public Hooks() {46    this.hooks.add(new Hook("afterAll", new Block() {47      public void execute() throws Throwable {48      }49    }));50  }51  public List<Hook> getHooks() {52    return this.hooks;53  }54}

wrap

Using AI Code Generation

1import com.greghaskins.spectrum.internal.hooks.Hooks;2public class 1 {3    public static void main(String[] args) {4        Hooks hooks = new Hooks();5        hooks.wrap(()->{6            System.out.println("Wrapped");7        });8    }9}10import com.greghaskins.spectrum.internal.hooks.Hooks;11public class 2 {12    public static void main(String[] args) {13        Hooks hooks = new Hooks();14        hooks.wrap(()->{15            System.out.println("Wrapped");16        });17    }18}19import com.greghaskins.spectrum.internal.hooks.Hooks;20public class 3 {21    public static void main(String[] args) {22        Hooks hooks = new Hooks();23        hooks.wrap(()->{24            System.out.println("Wrapped");25        });26    }27}28import com.greghaskins.spectrum.internal.hooks.Hooks;29public class 4 {30    public static void main(String[] args) {31        Hooks hooks = new Hooks();32        hooks.wrap(()->{33            System.out.println("Wrapped");34        });35    }36}37import com.greghaskins.spectrum.internal.hooks.Hooks;38public class 5 {39    public static void main(String[] args) {40        Hooks hooks = new Hooks();41        hooks.wrap(()->{42            System.out.println("Wrapped");43        });44    }45}46import com.greghaskins.spectrum.internal.hooks.Hooks;47public class 6 {48    public static void main(String[] args) {49        Hooks hooks = new Hooks();50        hooks.wrap(()->{51            System.out.println("Wrapped");52        });53    }54}55import com.greghask

wrap

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.Hook;3import java.util.function.Supplier;4public class Hooks {5    public static Hook wrap(Supplier<Hook> hookSupplier) {6        return hookSupplier.get();7    }8}9package com.greghaskins.spectrum;10import com.greghaskins.spectrum.internal.hooks.Hooks;11public class Hooks {12    public static Hook wrap(Supplier<Hook> hookSupplier) {13        return hookSupplier.get();14    }15}16package com.greghaskins.spectrum;17import com.greghaskins.spectrum.internal.hooks.Hooks;18public class Hooks {19    public static Hook wrap(Supplier<Hook> hookSupplier) {20        return hookSupplier.get();21    }22}23package com.greghaskins.spectrum;24import com.greghaskins.spectrum.internal.hooks.Hooks;25public class Hooks {26    public static Hook wrap(Supplier<Hook> hookSupplier) {27        return hookSupplier.get();28    }29}30package com.greghaskins.spectrum;31import com.greghaskins.spectrum.internal.hooks.Hooks;32public class Hooks {33    public static Hook wrap(Supplier<Hook> hookSupplier) {34        return hookSupplier.get();35    }36}37package com.greghaskins.spectrum;38import com.greghaskins.spectrum.internal.hooks.Hooks;39public class Hooks {40    public static Hook wrap(Supplier<Hook> hookSupplier) {41        return hookSupplier.get();42    }43}44package com.greghaskins.spectrum;45import com.greghaskins.spectrum.internal.hooks.Hooks;46public class Hooks {47    public static Hook wrap(Supplier<Hook> hookSupplier) {48        return hookSupplier.get();49    }50}51package com.greghaskins.spectrum;52import com.greghaskins.spectrum.internal.hooks.Hooks;53public class Hooks {54    public static Hook wrap(Supplier<Hook> hookSupplier) {55        return hookSupplier.get();56    }57}58package com.greghaskins.spectrum;59import com.greghaskins.spectrum

wrap

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.internal.hooks.Hooks;3public class HooksTest {4    public static void main(String[] args) {5        Hooks hooks = new Hooks();6        hooks.wrap(() -> {7            System.out.println("Hello World");8            return null;9        });10    }11}12package com.greghaskins.spectrum.internal.hooks;13import com.greghaskins.spectrum.internal.hooks.Hooks;14public class HooksTest {15    public static void main(String[] args) {16        Hooks hooks = new Hooks();17        hooks.run(() -> {18            System.out.println("Hello World");19            return null;20        });21    }22}

wrap

Using AI Code Generation

1import com.greghaskins.spectrum.internal.hooks.Hooks;2public class 1 {3   public static void main(String[] args) {4      Hooks.wrap().run(() -> {5         System.out.println("Hello, World!");6      });7   }8}

wrap

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4public class Hooks {5  public static Object wrap(final Object target, final Method method,6      final Object[] arguments) throws Throwable {7    try {8      return method.invoke(target, arguments);9    } catch (final InvocationTargetException ex) {10      throw ex.getCause();11    }12  }13}14package com.greghaskins.spectrum.internal.hooks;15import java.lang.reflect.InvocationTargetException;16import java.lang.reflect.Method;17public class Hooks {18  public static Object wrap(final Object target, final Method method,19      final Object[] arguments) throws Throwable {20    try {21      return method.invoke(target, arguments);22    } catch (final InvocationTargetException ex) {23      throw ex.getCause();24    }25  }26}27package com.greghaskins.spectrum.internal.hooks;28import java.lang.reflect.InvocationTargetException;29import java.lang.reflect.Method;30public class Hooks {31  public static Object wrap(final Object target, final Method method,32      final Object[] arguments) throws Throwable {33    try {34      return method.invoke(target, arguments);35    } catch (final InvocationTargetException ex) {36      throw ex.getCause();37    }38  }39}40package com.greghaskins.spectrum.internal.hooks;41import java.lang.reflect.InvocationTargetException;42import java.lang.reflect.Method;43public class Hooks {44  public static Object wrap(final Object target, final Method method,45      final Object[] arguments) throws Throwable {46    try {47      return method.invoke(target, arguments);48    } catch (final InvocationTargetException ex) {49      throw ex.getCause();50    }51  }52}

wrap

Using AI Code Generation

1import com.greghaskins.spectrum.internal.hooks.Hooks;2import com.greghaskins.spectrum.internal.hooks.Hooks.Hook;3public class 1 {4    public static void main(String[] args) {5        Hooks.wrap(()->{6        },(Hook) (test, context) -> {7            try {8                test.run();9            } catch (Throwable e) {10            }11        });12    }13}14import com.greghaskins.spectrum.internal.hooks.Hooks;15import com.greghaskins.spectrum.internal.hooks.Hooks.Hook;16public class 2 {17    public static void main(String[] args) {18        Hooks.wrap(()->{19            try {20            } catch (Throwable e) {21            }22        },(Hook) (test, context) -> {23            test.run();24        });25    }26}

wrap

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.internal.Block;3import com.greghaskins.spectrum.internal.hooks.Hooks.Hook;4public class HooksExample {5    public void example() {6        Hooks.wrap(new Block() {7            public void run() throws Throwable {8            }9        }, new Hook() {10            public void run() throws Throwable {11            }12        }, new Hook() {13            public void run() throws Throwable {14            }15        });16    }17}18package com.greghaskins.spectrum.internal.hooks;19import com.greghaskins.spectrum.internal.Block;20import com.greghaskins.spectrum.internal.hooks.Hooks.Hook;21public class HooksExample {22    public void example() {23        Hooks hooks = new Hooks();24        hooks.before(new Hook() {25            public void run() throws Throwable {26            }27        });28        hooks.after(new Hook() {29            public void run() throws Throwable {30            }31        });32        hooks.wrap(new Block() {33            public void run() throws Throwable {34            }35        });36    }37}38package com.greghaskins.spectrum.internal.hooks;39import com.greghaskins.spectrum.internal.Block;40import com

wrap

Using AI Code Generation

1package com.greghaskins.spectrum;2import com.greghaskins.spectrum.internal.hooks.Hooks;3import java.lang.reflect.Method;4public class ExceptionHandler {5    public static void wrapExceptionTest(Method testMethod, Class<?> exceptionClass) {6        try {7            Hooks.wrap(testMethod, new ExceptionTest(testMethod, exceptionClass));8        } catch (Exception e) {9            e.printStackTrace();10        }11    }12    private static class ExceptionTest implements Hooks.WrapMethod {13        private Method testMethod;14        private Class<?> exceptionClass;15        ExceptionTest(Method testMethod, Class<?> exceptionClass) {16            this.testMethod = testMethod;17            this.exceptionClass = exceptionClass;18        }19        public void run(Object testInstance) throws Exception {20            try {21                testMethod.invoke(testInstance);22            } catch (Exception e) {23                if (e.getCause().getClass().equals(exceptionClass)) {24                    return;25                } else {26                    throw e;27                }28            }29            throw new Exception("Test did not throw exception");30        }31    }32}33package com.greghaskins.spectrum;34import org.junit.Test;35import static com.greghaskins.spectrum.ExceptionHandler.wrapExceptionTest;36public class ExceptionTest {37    public void testException() {38        wrapExceptionTest(this.getClass().getDeclaredMethods()[0], RuntimeException.class);39        throw new RuntimeException();40    }41}42package com.greghaskins.spectrum;43import org.junit.runner.JUnitCore;44public class ExceptionTestRunner {45    public static void main(String[] args) {46        JUnitCore.runClasses(ExceptionTest.class);47    }48}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.