Java Code Examples for io.vavr.control.Try#ofSupplier()
The following examples show how to use
io.vavr.control.Try#ofSupplier() .
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Example 1
Source File: RetryEventPublisherTest.java From resilience4j with Apache License 2.0 | 6 votes |
@Test public void shouldConsumeIgnoredErrorEvent() { given(helloWorldService.returnHelloWorld()) .willThrow(new HelloWorldException()); RetryConfig retryConfig = RetryConfig.custom() .retryOnException(throwable -> Match(throwable).of( Case($(instanceOf(HelloWorldException.class)), false), Case($(), true))) .build(); retry = Retry.of("testName", retryConfig); retry.getEventPublisher().onIgnoredError( event -> logger.info(event.getEventType().toString())); Try.ofSupplier(Retry.decorateSupplier(retry, helloWorldService::returnHelloWorld)); then(logger).should(times(1)).info("IGNORED_ERROR"); then(helloWorldService).should(times(1)).returnHelloWorld(); }
Example 2
Source File: RetryMetricsCollectorTest.java From resilience4j with Apache License 2.0 | 6 votes |
@Before public void setup() { registry = new CollectorRegistry(); retryRegistry = RetryRegistry.ofDefaults(); retry = retryRegistry.retry("backendA"); RetryMetricsCollector.ofRetryRegistry(retryRegistry).register(registry); retry.executeSupplier(() -> "return"); Supplier<String> supplier = Retry.decorateSupplier(retry, () -> { throw new RuntimeException(); }); Try.ofSupplier(supplier); }
Example 3
Source File: CircuitBreakerTest.java From resilience4j with Apache License 2.0 | 6 votes |
@Test public void shouldDecorateSupplierAndReturnWithException() { CircuitBreaker circuitBreaker = CircuitBreaker.ofDefaults("testName"); CircuitBreaker.Metrics metrics = circuitBreaker.getMetrics(); assertThat(metrics.getNumberOfBufferedCalls()).isEqualTo(0); given(helloWorldService.returnHelloWorld()).willThrow(new RuntimeException("BAM!")); Supplier<String> supplier = circuitBreaker .decorateSupplier(helloWorldService::returnHelloWorld); Try<String> result = Try.ofSupplier(supplier); assertThat(result.isFailure()).isTrue(); assertThat(result.failed().get()).isInstanceOf(RuntimeException.class); assertThat(metrics.getNumberOfBufferedCalls()).isEqualTo(1); assertThat(metrics.getNumberOfFailedCalls()).isEqualTo(1); assertThat(metrics.getNumberOfSuccessfulCalls()).isEqualTo(0); then(helloWorldService).should().returnHelloWorld(); }
Example 4
Source File: BulkheadEventPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
@Test public void shouldConsumeOnCallRejectedEvent() { Bulkhead bulkhead = Bulkhead.of("test", config); bulkhead.getEventPublisher().onCallRejected( event -> logger.info(event.getEventType().toString())); bulkhead.tryAcquirePermission(); Supplier<String> supplier = Bulkhead .decorateSupplier(bulkhead, helloWorldService::returnHelloWorld); Try.ofSupplier(supplier); then(logger).should(times(1)).info("CALL_REJECTED"); }
Example 5
Source File: BulkheadEventPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
@Test public void shouldConsumeOnCallFinishedEventWhenExecutionIsFinished() throws Exception { Bulkhead bulkhead = Bulkhead.of("test", config); bulkhead.getEventPublisher().onCallFinished( event -> logger.info(event.getEventType().toString())); Supplier<String> supplier = Bulkhead .decorateSupplier(bulkhead, helloWorldService::returnHelloWorld); Try.ofSupplier(supplier); then(logger).should(times(1)).info("CALL_FINISHED"); }
Example 6
Source File: RetryEventPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
@Test public void shouldConsumeOnRetryEvent() { given(helloWorldService.returnHelloWorld()) .willThrow(new HelloWorldException()); retry.getEventPublisher().onRetry( event -> logger.info(event.getEventType().toString())); Try.ofSupplier(Retry.decorateSupplier(retry, helloWorldService::returnHelloWorld)); then(helloWorldService).should(times(3)).returnHelloWorld(); then(logger).should(times(2)).info("RETRY"); }
Example 7
Source File: RetryEventPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
@Test public void shouldConsumeOnErrorEvent() { given(helloWorldService.returnHelloWorld()).willThrow(new HelloWorldException()); retry.getEventPublisher().onError( event -> logger.info(event.getEventType().toString())); Try.ofSupplier(Retry.decorateSupplier(retry, helloWorldService::returnHelloWorld)); then(logger).should(times(1)).info("ERROR"); then(helloWorldService).should(times(3)).returnHelloWorld(); }
Example 8
Source File: RateLimiterEventPublisherTest.java From resilience4j with Apache License 2.0 | 5 votes |
@Test public void shouldConsumeOnFailureEvent() throws Throwable { rateLimiter.getEventPublisher().onFailure( event -> logger.info(event.getEventType().toString())); rateLimiter.executeSupplier(() -> "Hello world"); Try.ofSupplier(RateLimiter.decorateSupplier(rateLimiter, () -> "Hello world")); then(logger).should(times(1)).info("FAILED_ACQUIRE"); }
Example 9
Source File: AbstractRetryMetricsTest.java From resilience4j with Apache License 2.0 | 5 votes |
@Test public void shouldRegisterMetricsWithRetry() throws Throwable { Retry retry = givenMetricRegistry(metricRegistry); given(helloWorldService.returnHelloWorld()) .willThrow(new HelloWorldException()) .willReturn("Hello world") .willThrow(new HelloWorldException()) .willThrow(new HelloWorldException()) .willThrow(new HelloWorldException()); String value1 = retry.executeSupplier(helloWorldService::returnHelloWorld); Try.ofSupplier(Retry.decorateSupplier(retry, helloWorldService::returnHelloWorld)); assertThat(value1).isEqualTo("Hello world"); then(helloWorldService).should(times(5)).returnHelloWorld(); assertThat(metricRegistry.getMetrics()).hasSize(4); assertThat(metricRegistry.getGauges() .get("resilience4j.retry.testName." + SUCCESSFUL_CALLS_WITH_RETRY).getValue()) .isEqualTo(1L); assertThat(metricRegistry.getGauges() .get("resilience4j.retry.testName." + SUCCESSFUL_CALLS_WITHOUT_RETRY).getValue()) .isEqualTo(0L); assertThat( metricRegistry.getGauges().get("resilience4j.retry.testName." + FAILED_CALLS_WITH_RETRY) .getValue()).isEqualTo(1L); assertThat(metricRegistry.getGauges() .get("resilience4j.retry.testName." + FAILED_CALLS_WITHOUT_RETRY).getValue()) .isEqualTo(0L); }