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This commit is contained in:
Alex Theedom 2016-08-16 07:56:54 +01:00
parent b8e258c307
commit fa3581339c
2 changed files with 77 additions and 46 deletions
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74
hystrix/src/test/java/com/baeldung/hystrix/HystrixTimeShortCircuitTest.java Normal file
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@ -0,0 +1,74 @@
package com.baeldung.hystrix;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.HystrixThreadPoolProperties;
import com.netflix.hystrix.exception.HystrixRuntimeException;
import org.junit.*;
import org.junit.rules.ExpectedException;
import org.junit.runners.MethodSorters;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
@FixMethodOrder(MethodSorters.JVM)
public class HystrixTimeShortCircuitTest {
private HystrixCommand.Setter config;
private HystrixCommandProperties.Setter commandProperties;
@Rule
public final ExpectedException exception = ExpectedException.none();
@Before
public void setup() {
commandProperties = HystrixCommandProperties.Setter();
config = HystrixCommand
.Setter
.withGroupKey(HystrixCommandGroupKey.Factory.asKey("RemoteServiceGroup1"));
}
@Test
public void givenCircuitBreakerSetup__whenRemoteSvcCmdExecuted_thenReturnSuccess()
throws InterruptedException {
commandProperties.withExecutionTimeoutInMilliseconds(1000);
commandProperties.withCircuitBreakerSleepWindowInMilliseconds(4000);
commandProperties.withExecutionIsolationStrategy(
HystrixCommandProperties.ExecutionIsolationStrategy.THREAD);
commandProperties.withCircuitBreakerEnabled(true);
commandProperties.withCircuitBreakerRequestVolumeThreshold(1);
config.andCommandPropertiesDefaults(commandProperties);
config.andThreadPoolPropertiesDefaults(HystrixThreadPoolProperties.Setter()
.withMaxQueueSize(1)
.withCoreSize(1)
.withQueueSizeRejectionThreshold(1));
assertThat(this.invokeRemoteService(10000), equalTo(null));
assertThat(this.invokeRemoteService(10000), equalTo(null));
Thread.sleep(5000);
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
}
String invokeRemoteService(long timeout) throws InterruptedException {
String response = null;
try {
response = new RemoteServiceTestCommand(config,
new RemoteServiceTestSimulator(timeout)).execute();
} catch (HystrixRuntimeException ex) {
System.out.println("ex = " + ex);
}
return response;
}
}

49
hystrix/src/test/java/com/baeldung/hystrix/HystrixTimeoutTest.java
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@ -5,14 +5,14 @@ import com.netflix.hystrix.HystrixCommandGroupKey;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.HystrixThreadPoolProperties;
import com.netflix.hystrix.exception.HystrixRuntimeException;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.*;
import org.junit.rules.ExpectedException;
import org.junit.runners.MethodSorters;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
@FixMethodOrder(MethodSorters.JVM)
public class HystrixTimeoutTest {
private HystrixCommand.Setter config;
@ -85,47 +85,4 @@ public class HystrixTimeoutTest {
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
}
@Test
public void givenCircuitBreakerSetup__whenRemoteSvcCmdExecuted_thenReturnSuccess()
throws InterruptedException {
commandProperties.withExecutionTimeoutInMilliseconds(1000);
commandProperties.withCircuitBreakerSleepWindowInMilliseconds(4000);
commandProperties.withExecutionIsolationStrategy(
HystrixCommandProperties.ExecutionIsolationStrategy.THREAD);
commandProperties.withCircuitBreakerEnabled(true);
commandProperties.withCircuitBreakerRequestVolumeThreshold(1);
config.andCommandPropertiesDefaults(commandProperties);
config.andThreadPoolPropertiesDefaults(HystrixThreadPoolProperties.Setter()
.withMaxQueueSize(1)
.withCoreSize(1)
.withQueueSizeRejectionThreshold(1));
assertThat(this.invokeRemoteService(10000), equalTo(null));
assertThat(this.invokeRemoteService(10000), equalTo(null));
Thread.sleep(5000);
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
assertThat(new RemoteServiceTestCommand(config, new RemoteServiceTestSimulator(500)).execute(),
equalTo("Success"));
}
public String invokeRemoteService(long timeout) throws InterruptedException {
String response = null;
try {
response = new RemoteServiceTestCommand(config,
new RemoteServiceTestSimulator(timeout)).execute();
} catch (HystrixRuntimeException ex) {
System.out.println("ex = " + ex);
}
return response;
}
}