Examples with TestRule org.junit.rules.TestRule used on opensource projects

Example 1 with TestRule

use of org.junit.rules.TestRule in project junit4 by junit-team.

the class BlockJUnit4ClassRunner method withRules.

private Statement withRules(FrameworkMethod method, Object target, Statement statement) {
    List<TestRule> testRules = getTestRules(target);
    Statement result = statement;
    result = withMethodRules(method, testRules, target, result);
    result = withTestRules(method, testRules, result);
    return result;
}

Example 2 with TestRule

use of org.junit.rules.TestRule in project spock by spockframework.

the class ClassRuleInterceptor method intercept.

public void intercept(final IMethodInvocation invocation) throws Throwable {
    Statement stat = createBaseStatement(invocation);
    for (FieldInfo field : ruleFields) {
        TestRule rule = (TestRule) getRuleInstance(field, field.isShared() ? invocation.getSharedInstance() : invocation.getInstance());
        stat = rule.apply(stat, invocation.getSpec().getDescription());
    }
    stat.evaluate();
}

Example 3 with TestRule

use of org.junit.rules.TestRule in project spock by spockframework.

the class TestRuleInterceptor method intercept.

public void intercept(final IMethodInvocation invocation) throws Throwable {
    Statement stat = createBaseStatement(invocation);
    for (FieldInfo field : ruleFields) {
        TestRule rule = (TestRule) getRuleInstance(field, invocation.getInstance());
        stat = rule.apply(stat, invocation.getIteration().getDescription());
    }
    stat.evaluate();
}

Example 4 with TestRule

use of org.junit.rules.TestRule in project indy by Commonjava.

the class ThreadDumper method timeoutRule.

public static TestRule timeoutRule(int timeout, TimeUnit units) {
    return (base, description) -> new Statement() {

        public void evaluate() throws Throwable {
            System.out.printf("Setting up timeout: %d %s to wrap: %s\n", timeout, units, base);
            AtomicReference<Throwable> error = new AtomicReference<>();
            CountDownLatch latch = new CountDownLatch(1);
            FutureTask<Void> task = new FutureTask<>(() -> {
                try {
                    latch.countDown();
                    base.evaluate();
                } catch (Throwable t) {
                    error.set(t);
                }
                return null;
            });
            ThreadGroup tg = new ThreadGroup("Test Timeout Group");
            Thread t = new Thread(tg, task, "Test Timeout Thread");
            t.setDaemon(true);
            t.start();
            try {
                System.out.println("Waiting for test to start.");
                latch.await();
            } catch (InterruptedException e) {
                error.set(e);
            }
            if (error.get() == null) {
                try {
                    System.out.println("Waiting for test to complete (or timeout)");
                    task.get(timeout, units);
                } catch (InterruptedException e) {
                    error.set(e);
                } catch (ExecutionException e) {
                    error.set(e.getCause());
                } catch (TimeoutException e) {
                    System.out.printf("Test timeout %d %s expired!\n", timeout, units.name());
                    dumpThreads();
                    StackTraceElement[] stackTrace = t.getStackTrace();
                    Exception currThreadException = new TestTimedOutException(timeout, units);
                    if (stackTrace != null) {
                        currThreadException.setStackTrace(stackTrace);
                        t.interrupt();
                    }
                    throw currThreadException;
                }
            }
            Throwable throwable = error.get();
            if (throwable != null) {
                throw throwable;
            }
        }
    };
}

Example 5 with TestRule

use of org.junit.rules.TestRule in project indy by Commonjava.

the class ThreadDumper method timeoutRule.

public static TestRule timeoutRule(int timeout, TimeUnit units) {
    return (base, description) -> new Statement() {

        public void evaluate() throws Throwable {
            System.out.printf("Setting up timeout: %d %s to wrap: %s\n", timeout, units, base);
            AtomicReference<Throwable> error = new AtomicReference<>();
            CountDownLatch latch = new CountDownLatch(1);
            FutureTask<Void> task = new FutureTask<>(() -> {
                try {
                    latch.countDown();
                    base.evaluate();
                } catch (Throwable t) {
                    error.set(t);
                }
                return null;
            });
            ThreadGroup tg = new ThreadGroup("Test Timeout Group");
            Thread t = new Thread(tg, task, "Test Timeout Thread");
            t.setDaemon(true);
            t.start();
            try {
                System.out.println("Waiting for test to start.");
                latch.await();
            } catch (InterruptedException e) {
                error.set(e);
            }
            if (error.get() == null) {
                try {
                    System.out.println("Waiting for test to complete (or timeout)");
                    task.get(timeout, units);
                } catch (InterruptedException e) {
                    error.set(e);
                } catch (ExecutionException e) {
                    error.set(e.getCause());
                } catch (TimeoutException e) {
                    System.out.printf("Test timeout %d %s expired!\n", timeout, units.name());
                    dumpThreads();
                    StackTraceElement[] stackTrace = t.getStackTrace();
                    Exception currThreadException = new TestTimedOutException(timeout, units);
                    if (stackTrace != null) {
                        currThreadException.setStackTrace(stackTrace);
                        t.interrupt();
                    }
                    throw currThreadException;
                }
            }
            Throwable throwable = error.get();
            if (throwable != null) {
                throw throwable;
            }
        }
    };
}