Java Code Examples for io.github.resilience4j.circuitbreaker.CircuitBreaker#onSuccess()
The following examples show how to use
io.github.resilience4j.circuitbreaker.CircuitBreaker#onSuccess() .
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Example 1
| Source File: TaggedCircuitBreakerMetricsPublisherTest.java From resilience4j with Apache License 2.0 | 6 votes |
|
@Test
public void shouldAddMetricsForANewlyCreatedCircuitBreaker() {
CircuitBreaker newCircuitBreaker = circuitBreakerRegistry.circuitBreaker("backendB");
newCircuitBreaker.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap)
.containsKeys("backendA", "backendB");
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap.get("backendA")).hasSize(16);
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap.get("backendB")).hasSize(16);
List<Meter> meters = meterRegistry.getMeters();
assertThat(meters).hasSize(32);
Collection<Gauge> gauges = meterRegistry.get(DEFAULT_CIRCUIT_BREAKER_BUFFERED_CALLS)
.gauges();
Optional<Gauge> successful = findMeterByKindAndNameTags(gauges, "successful",
newCircuitBreaker.getName());
assertThat(successful).isPresent();
assertThat(successful.get().value())
.isEqualTo(newCircuitBreaker.getMetrics().getNumberOfSuccessfulCalls());
}
Example 2
| Source File: TaggedCircuitBreakerMetricsTest.java From resilience4j with Apache License 2.0 | 6 votes |
|
@Test
public void shouldAddMetricsForANewlyCreatedCircuitBreaker() {
CircuitBreaker newCircuitBreaker = circuitBreakerRegistry.circuitBreaker("backendB");
newCircuitBreaker.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(taggedCircuitBreakerMetrics.meterIdMap).containsKeys("backendA", "backendB");
assertThat(taggedCircuitBreakerMetrics.meterIdMap.get("backendA")).hasSize(16);
assertThat(taggedCircuitBreakerMetrics.meterIdMap.get("backendB")).hasSize(16);
List<Meter> meters = meterRegistry.getMeters();
assertThat(meters).hasSize(32);
Collection<Gauge> gauges = meterRegistry.get(DEFAULT_CIRCUIT_BREAKER_BUFFERED_CALLS)
.gauges();
Optional<Gauge> successful = MetricsTestHelper
.findMeterByKindAndNameTags(gauges, "successful",
newCircuitBreaker.getName());
assertThat(successful).isPresent();
assertThat(successful.get().value())
.isEqualTo(newCircuitBreaker.getMetrics().getNumberOfSuccessfulCalls());
}
Example 3
| Source File: CircuitBreakerMetricsPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
|
@Test
public void customMetricNameBucketsOverrideDefaultOnes() {
CollectorRegistry registry = new CollectorRegistry();
CircuitBreakerMetricsPublisher circuitBreakerMetricsPublisher = new CircuitBreakerMetricsPublisher(
MetricNames.ofDefaults(),
MetricOptions.custom().buckets(new double[]{.005, .01}).build());
circuitBreakerMetricsPublisher.register(registry);
CircuitBreakerRegistry circuitBreakerRegistry = CircuitBreakerRegistry
.of(CircuitBreakerConfig.ofDefaults(), circuitBreakerMetricsPublisher);
CircuitBreaker circuitBreaker = circuitBreakerRegistry.circuitBreaker("backendA");
circuitBreaker.onSuccess(2000, TimeUnit.NANOSECONDS);
assertThat(registry.getSampleValue(
DEFAULT_CIRCUIT_BREAKER_CALLS + "_bucket",
new String[]{"name", "kind", "le"},
new String[]{circuitBreaker.getName(), "successful", "0.01"}
)).isEqualTo(1d);
assertThat(registry.getSampleValue(
DEFAULT_CIRCUIT_BREAKER_CALLS + "_bucket",
new String[]{"name", "kind", "le"},
new String[]{circuitBreaker.getName(), "successful", "0.025"}
)).isNull();
}
Example 4
| Source File: TaggedCircuitBreakerMetricsPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
|
@Test
public void testReplaceNewMeter(){
CircuitBreaker oldOne = CircuitBreaker.of("backendC", CircuitBreakerConfig.ofDefaults());
// add meters of old
taggedCircuitBreakerMetricsPublisher.addMetrics(meterRegistry, oldOne);
// one success call
oldOne.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap).containsKeys("backendC");
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap.get("backendC")).hasSize(16);
Collection<Gauge> gauges = meterRegistry.get(DEFAULT_CIRCUIT_BREAKER_BUFFERED_CALLS).gauges();
Optional<Gauge> successful = findMeterByKindAndNameTags(gauges, "successful", oldOne.getName());
assertThat(successful).isPresent();
assertThat(successful.get().value())
.isEqualTo(oldOne.getMetrics().getNumberOfSuccessfulCalls());
CircuitBreaker newOne = CircuitBreaker.of("backendC", CircuitBreakerConfig.ofDefaults());
// add meters of new
taggedCircuitBreakerMetricsPublisher.addMetrics(meterRegistry, newOne);
// three success call
newOne.onSuccess(0, TimeUnit.NANOSECONDS);
newOne.onSuccess(0, TimeUnit.NANOSECONDS);
newOne.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap).containsKeys("backendC");
assertThat(taggedCircuitBreakerMetricsPublisher.meterIdMap.get("backendC")).hasSize(16);
gauges = meterRegistry.get(DEFAULT_CIRCUIT_BREAKER_BUFFERED_CALLS).gauges();
successful = findMeterByKindAndNameTags(gauges, "successful", newOne.getName());
assertThat(successful).isPresent();
assertThat(successful.get().value())
.isEqualTo(newOne.getMetrics().getNumberOfSuccessfulCalls());
}
Example 5
| Source File: TaggedCircuitBreakerMetricsTest.java From resilience4j with Apache License 2.0 | 5 votes |
|
@Test
public void shouldAddCustomTags() {
CircuitBreaker circuitBreakerF = circuitBreakerRegistry.circuitBreaker("backendF", io.vavr.collection.HashMap.of("key1", "value1"));
circuitBreakerF.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(taggedCircuitBreakerMetrics.meterIdMap).containsKeys("backendA", "backendF");
assertThat(taggedCircuitBreakerMetrics.meterIdMap.get("backendF")).hasSize(16);
List<Meter> meters = meterRegistry.getMeters();
assertThat(meters).hasSize(32);
final RequiredSearch match = meterRegistry.get(DEFAULT_CIRCUIT_BREAKER_BUFFERED_CALLS).tags("key1", "value1");
assertThat(match).isNotNull();
}
Example 6
| Source File: CircularEventConsumerTest.java From resilience4j with Apache License 2.0 | 5 votes |
|
@Test
public void shouldBufferAllEvents() {
CircuitBreakerConfig circuitBreakerConfig = CircuitBreakerConfig.custom()
.slidingWindowSize(3)
.ignoreExceptions(IOException.class)
.build();
CircuitBreaker circuitBreaker = CircuitBreaker.of("testName", circuitBreakerConfig);
CircularEventConsumer<CircuitBreakerEvent> ringBuffer = new CircularEventConsumer<>(10);
circuitBreaker.getEventPublisher().onEvent(ringBuffer);
assertThat(ringBuffer.getBufferedEvents()).isEmpty();
circuitBreaker.onSuccess(0, TimeUnit.NANOSECONDS);
circuitBreaker.onError(0, TimeUnit.NANOSECONDS, new RuntimeException("Bla"));
circuitBreaker.onError(0, TimeUnit.NANOSECONDS, new IOException("Bla"));
circuitBreaker.onError(0, TimeUnit.NANOSECONDS, new RuntimeException("Bla"));
CircuitBreaker.Metrics metrics = circuitBreaker.getMetrics();
assertThat(metrics.getNumberOfBufferedCalls()).isEqualTo(3);
assertThat(metrics.getNumberOfFailedCalls()).isEqualTo(2);
circuitBreaker.reset();
CircuitBreaker.Metrics resetMetrics = circuitBreaker.getMetrics();
assertThat(resetMetrics.getNumberOfBufferedCalls()).isEqualTo(0);
assertThat(resetMetrics.getNumberOfFailedCalls()).isEqualTo(0);
//Because circuit emits 2 error events and one state transition event
assertThat(ringBuffer.getBufferedEvents()).hasSize(8);
assertThat(ringBuffer.getBufferedEvents()).extracting("eventType")
.containsExactly(Type.SUCCESS, Type.ERROR, Type.IGNORED_ERROR, Type.ERROR,
Type.FAILURE_RATE_EXCEEDED, Type.STATE_TRANSITION, Type.STATE_TRANSITION,
Type.RESET);
}
Example 7
| Source File: StateTransitionMetricsTest.java From resilience4j with Apache License 2.0 | 4 votes |
|
private static void circuitBreakerMetricsUsesFirstStateObjectInstance(
CircuitBreaker circuitBreaker, MetricRegistry metricRegistry) throws Exception {
SortedMap<String, Gauge> gauges = metricRegistry.getGauges();
assertThat(circuitBreaker.getState(), equalTo(CircuitBreaker.State.CLOSED));
assertThat(circuitBreaker.getMetrics().getNumberOfBufferedCalls(), equalTo(0));
assertThat(circuitBreaker.getMetrics().getNumberOfFailedCalls(), equalTo(0));
assertThat(circuitBreaker.getMetrics().getNumberOfSuccessfulCalls(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.state").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.buffered").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.failed").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.successful").getValue(),
equalTo(0));
circuitBreaker.onError(0, TimeUnit.NANOSECONDS, new RuntimeException());
assertThat(circuitBreaker.getState(), equalTo(CircuitBreaker.State.CLOSED));
assertThat(circuitBreaker.getMetrics().getNumberOfBufferedCalls(), equalTo(1));
assertThat(circuitBreaker.getMetrics().getNumberOfFailedCalls(), equalTo(1));
assertThat(circuitBreaker.getMetrics().getNumberOfSuccessfulCalls(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.state").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.buffered").getValue(), equalTo(1));
assertThat(gauges.get("resilience4j.circuitbreaker.test.failed").getValue(), equalTo(1));
assertThat(gauges.get("resilience4j.circuitbreaker.test.successful").getValue(),
equalTo(0));
for (int i = 0; i < 9; i++) {
circuitBreaker.onError(0, TimeUnit.NANOSECONDS, new RuntimeException());
}
assertThat(circuitBreaker.getState(), equalTo(CircuitBreaker.State.OPEN));
assertThat(circuitBreaker.getMetrics().getNumberOfBufferedCalls(), equalTo(10));
assertThat(circuitBreaker.getMetrics().getNumberOfFailedCalls(), equalTo(10));
assertThat(circuitBreaker.getMetrics().getNumberOfSuccessfulCalls(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.state").getValue(), equalTo(1));
assertThat(gauges.get("resilience4j.circuitbreaker.test.buffered").getValue(), equalTo(10));
assertThat(gauges.get("resilience4j.circuitbreaker.test.failed").getValue(), equalTo(10));
assertThat(gauges.get("resilience4j.circuitbreaker.test.successful").getValue(),
equalTo(0));
await().atMost(1500, TimeUnit.MILLISECONDS)
.until(() -> {
circuitBreaker.tryAcquirePermission();
return circuitBreaker.getState().equals(CircuitBreaker.State.HALF_OPEN);
});
circuitBreaker.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(circuitBreaker.getState(), equalTo(CircuitBreaker.State.HALF_OPEN));
assertThat(circuitBreaker.getMetrics().getNumberOfBufferedCalls(), equalTo(1));
assertThat(circuitBreaker.getMetrics().getNumberOfFailedCalls(), equalTo(0));
assertThat(circuitBreaker.getMetrics().getNumberOfSuccessfulCalls(), equalTo(1));
assertThat(gauges.get("resilience4j.circuitbreaker.test.state").getValue(), equalTo(2));
assertThat(gauges.get("resilience4j.circuitbreaker.test.buffered").getValue(), equalTo(1));
assertThat(gauges.get("resilience4j.circuitbreaker.test.failed").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.successful").getValue(),
equalTo(1));
circuitBreaker.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(circuitBreaker.getState(), equalTo(CircuitBreaker.State.HALF_OPEN));
assertThat(circuitBreaker.getMetrics().getNumberOfBufferedCalls(), equalTo(2));
assertThat(circuitBreaker.getMetrics().getNumberOfFailedCalls(), equalTo(0));
assertThat(circuitBreaker.getMetrics().getNumberOfSuccessfulCalls(), equalTo(2));
assertThat(gauges.get("resilience4j.circuitbreaker.test.state").getValue(), equalTo(2));
assertThat(gauges.get("resilience4j.circuitbreaker.test.buffered").getValue(), equalTo(2));
assertThat(gauges.get("resilience4j.circuitbreaker.test.failed").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.successful").getValue(),
equalTo(2));
circuitBreaker.onSuccess(0, TimeUnit.NANOSECONDS);
assertThat(circuitBreaker.getState(), equalTo(CircuitBreaker.State.CLOSED));
assertThat(circuitBreaker.getMetrics().getNumberOfBufferedCalls(), equalTo(0));
assertThat(circuitBreaker.getMetrics().getNumberOfFailedCalls(), equalTo(0));
assertThat(circuitBreaker.getMetrics().getNumberOfSuccessfulCalls(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.state").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.buffered").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.failed").getValue(), equalTo(0));
assertThat(gauges.get("resilience4j.circuitbreaker.test.successful").getValue(),
equalTo(0));
}
