Examples of TestCircuitBreaker

com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    /**
     * Test Request scoped caching with a mixture of commands
     */
    @Test
    public void testRequestCacheViaExecuteUsingSemaphoreIsolation() {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        SuccessfulCacheableCommandViaSemaphore command1 = new SuccessfulCacheableCommandViaSemaphore(circuitBreaker, true, "A");
        SuccessfulCacheableCommandViaSemaphore command2 = new SuccessfulCacheableCommandViaSemaphore(circuitBreaker, true, "B");
        SuccessfulCacheableCommandViaSemaphore command3 = new SuccessfulCacheableCommandViaSemaphore(circuitBreaker, true, "A");


        assertFalse(command1.isCommandRunningInThread());

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    /**
     * Test Request scoped caching with a mixture of commands
     */
    @Test
    public void testNoRequestCacheViaExecuteUsingSemaphoreIsolation() {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        SuccessfulCacheableCommandViaSemaphore command1 = new SuccessfulCacheableCommandViaSemaphore(circuitBreaker, false, "A");
        SuccessfulCacheableCommandViaSemaphore command2 = new SuccessfulCacheableCommandViaSemaphore(circuitBreaker, false, "B");
        SuccessfulCacheableCommandViaSemaphore command3 = new SuccessfulCacheableCommandViaSemaphore(circuitBreaker, false, "A");


        assertFalse(command1.isCommandRunningInThread());

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

        assertFalse(command3.isExecutedInThread());
    }


    @Test
    public void testNoRequestCacheOnTimeoutThrowsException() throws Exception {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        NoRequestCacheTimeoutWithoutFallback r1 = new NoRequestCacheTimeoutWithoutFallback(circuitBreaker);
        try {
            System.out.println("r1 value: " + r1.observe().toBlocking().single());
            // we should have thrown an exception
            fail("expected a timeout");

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

        assertEquals(4, HystrixRequestLog.getCurrentRequest().getAllExecutedCommands().size());
    }


    @Test
    public void testRequestCacheOnTimeoutCausesNullPointerException() throws Exception {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        // Expect it to time out - all results should be false
        assertFalse(new RequestCacheNullPointerExceptionCase(circuitBreaker).observe().toBlocking().single());
        assertFalse(new RequestCacheNullPointerExceptionCase(circuitBreaker).observe().toBlocking().single()); // return from cache #1
        assertFalse(new RequestCacheNullPointerExceptionCase(circuitBreaker).observe().toBlocking().single()); // return from cache #2
        Thread.sleep(500); // timeout on command is set to 200ms

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    }


    //
    @Test
    public void testRequestCacheOnTimeoutThrowsException() throws Exception {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        RequestCacheTimeoutWithoutFallback r1 = new RequestCacheTimeoutWithoutFallback(circuitBreaker);
        try {
            System.out.println("r1 value: " + r1.observe().toBlocking().single());
            // we should have thrown an exception
            fail("expected a timeout");

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

        assertEquals(4, HystrixRequestLog.getCurrentRequest().getAllExecutedCommands().size());
    }


    @Test
    public void testRequestCacheOnThreadRejectionThrowsException() throws Exception {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        CountDownLatch completionLatch = new CountDownLatch(1);
        RequestCacheThreadRejectionWithoutFallback r1 = new RequestCacheThreadRejectionWithoutFallback(circuitBreaker, completionLatch);
        try {
            System.out.println("r1: " + r1.observe().toBlocking().single());
            // we should have thrown an exception

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    public void testCacheKeyExecutionRequiresRequestVariable() {
        try {
            /* force the RequestVariable to not be initialized */
            HystrixRequestContext.setContextOnCurrentThread(null);


            TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();


            SuccessfulCacheableCommand command = new SuccessfulCacheableCommand(circuitBreaker, true, "one");
            assertEquals(true, command.observe().toBlocking().single());


            SuccessfulCacheableCommand command2 = new SuccessfulCacheableCommand(circuitBreaker, true, "two");

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    /**
     * Test that a BadRequestException can be thrown and not count towards errors and bypasses fallback.
     */
    @Test
    public void testBadRequestExceptionViaExecuteInThread() {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        try {
            new BadRequestCommand(circuitBreaker, ExecutionIsolationStrategy.THREAD).observe().toBlocking().single();
            fail("we expect to receive a " + HystrixBadRequestException.class.getSimpleName());
        } catch (HystrixBadRequestException e) {
            // success

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    /**
     * Test that a BadRequestException can be thrown and not count towards errors and bypasses fallback.
     */
    @Test
    public void testBadRequestExceptionViaQueueInThread() {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();
        try {
            new BadRequestCommand(circuitBreaker, ExecutionIsolationStrategy.THREAD).observe().toBlocking().toFuture().get();
            fail("we expect to receive a " + HystrixBadRequestException.class.getSimpleName());
        } catch (ExecutionException e) {
            e.printStackTrace();

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Examples of com.netflix.hystrix.HystrixCircuitBreakerTest.TestCircuitBreaker

    /**
     * Test that BadRequestException behavior works the same on a cached response.
     */
    @Test
    public void testBadRequestExceptionViaQueueInThreadOnResponseFromCache() {
        TestCircuitBreaker circuitBreaker = new TestCircuitBreaker();


        // execute once to cache the value
        try {
            new BadRequestCommand(circuitBreaker, ExecutionIsolationStrategy.THREAD).observe().toBlocking().single();
        } catch (Throwable e) {

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