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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}

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