@Test
public void testCache() {
HystrixConcurrencyStrategy strategy = HystrixConcurrencyStrategyDefault.getInstance();
HystrixRequestContext context = HystrixRequestContext.initializeContext();
try {
HystrixRequestCache cache1 =
HystrixRequestCache.getInstance(HystrixCommandKey.Factory.asKey("command1"), strategy);
cache1.putIfAbsent("valueA", new TestObservable("a1"));
cache1.putIfAbsent("valueA", new TestObservable("a2"));
cache1.putIfAbsent("valueB", new TestObservable("b1"));
HystrixRequestCache cache2 =
HystrixRequestCache.getInstance(HystrixCommandKey.Factory.asKey("command2"), strategy);
cache2.putIfAbsent("valueA", new TestObservable("a3"));
assertEquals("a1", cache1.get("valueA").toBlocking().last());
assertEquals("b1", cache1.get("valueB").toBlocking().last());
assertEquals("a3", cache2.get("valueA").toBlocking().last());
assertNull(cache2.get("valueB"));
} catch (Exception e) {
fail("Exception: " + e.getMessage());
e.printStackTrace();
} finally {
context.shutdown();
}
context = HystrixRequestContext.initializeContext();
try {
// with a new context the instance should have nothing in it
HystrixRequestCache cache =
HystrixRequestCache.getInstance(HystrixCommandKey.Factory.asKey("command1"), strategy);
assertNull(cache.get("valueA"));
assertNull(cache.get("valueB"));
} finally {
context.shutdown();
}
}
public Command(
String commandKey,
boolean shouldFail,
boolean shouldFailWithBadRequest,
long latencyToAdd,
int sleepWindow,
int requestVolumeThreshold) {
super(
Setter.withGroupKey(HystrixCommandGroupKey.Factory.asKey("Command"))
.andCommandKey(HystrixCommandKey.Factory.asKey(commandKey))
.andCommandPropertiesDefaults(
HystrixCommandPropertiesTest.getUnitTestPropertiesSetter()
.withExecutionTimeoutInMilliseconds(500)
.withCircuitBreakerRequestVolumeThreshold(requestVolumeThreshold)
.withCircuitBreakerSleepWindowInMilliseconds(sleepWindow)));
this.shouldFail = shouldFail;
this.shouldFailWithBadRequest = shouldFailWithBadRequest;
this.latencyToAdd = latencyToAdd;
}