Polish "Log health check failure with Reactive health indicators"
See gh-17635
This commit is contained in:
Stephane Nicoll
parent
fe1b9c9501
commit
6356852e2f
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/*
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* Copyright 2012-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.health;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import reactor.core.publisher.Mono;
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import org.springframework.boot.actuate.health.Health.Builder;
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import org.springframework.boot.test.system.CapturedOutput;
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import org.springframework.boot.test.system.OutputCaptureExtension;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Tests for {@link AbstractReactiveHealthIndicator}.
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*
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* @author Dmytro Nosan
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*/
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@ExtendWith(OutputCaptureExtension.class)
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class AbstractReactiveHealthIndicatorTests {
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@Test
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void doHealth() {
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Health health = new SimpleReactiveHealthIndicator().health().block();
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assertThat(health).isEqualTo(Health.up().build());
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}
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@Test
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void doHealthCustomErrorMessage(CapturedOutput output) {
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Health health = new ErrorMessageReactiveHealthIndicator().health().block();
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assertThat(health).isEqualTo(Health.down(new UnsupportedOperationException()).build());
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assertThat(output).contains("Unsupported Operation");
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}
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@Test
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void doHealthCustomErrorMessageFunction(CapturedOutput output) {
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Health health = new CustomErrorFunctionReactiveHealthIndicator().health().block();
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assertThat(health).isEqualTo(Health.down(new RuntimeException()).build());
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assertThat(output).contains("Runtime Exception");
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}
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private static final class SimpleReactiveHealthIndicator extends AbstractReactiveHealthIndicator {
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@Override
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protected Mono<Health> doHealthCheck(Builder builder) {
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return Mono.just(builder.up().build());
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}
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}
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private static final class ErrorMessageReactiveHealthIndicator extends AbstractReactiveHealthIndicator {
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ErrorMessageReactiveHealthIndicator() {
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super("Unsupported Operation");
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}
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@Override
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protected Mono<Health> doHealthCheck(Builder builder) {
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return Mono.error(new UnsupportedOperationException());
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}
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}
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private static final class CustomErrorFunctionReactiveHealthIndicator extends AbstractReactiveHealthIndicator {
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CustomErrorFunctionReactiveHealthIndicator() {
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super((ex) -> "Runtime Exception");
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}
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@Override
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protected Mono<Health> doHealthCheck(Builder builder) {
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throw new RuntimeException();
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}
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}
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}
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@ -0,0 +1,103 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.health;
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import org.junit.Rule;
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import org.junit.Test;
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import reactor.core.publisher.Mono;
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import reactor.test.StepVerifier;
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import org.springframework.boot.actuate.health.Health.Builder;
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import org.springframework.boot.test.rule.OutputCapture;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Tests for {@link AbstractReactiveHealthIndicator}.
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*
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* @author Dmytro Nosan
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* @author Stephane Nicoll
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*/
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public class ReactiveHealthIndicatorTests {
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@Rule
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public OutputCapture output = new OutputCapture();
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@Test
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public void healthUp() {
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StepVerifier.create(new SimpleReactiveHealthIndicator().health())
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.consumeNextWith((health) -> assertThat(health).isEqualTo(Health.up().build())).verifyComplete();
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assertThat(this.output.toString()).doesNotContain("Health check failed for simple");
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}
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@Test
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public void healthDownWithCustomErrorMessage() {
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StepVerifier.create(new CustomErrorMessageReactiveHealthIndicator().health()).consumeNextWith(
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(health) -> assertThat(health).isEqualTo(Health.down(new UnsupportedOperationException()).build()))
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.verifyComplete();
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assertThat(this.output.toString()).contains("Health check failed for custom");
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}
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@Test
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public void healthDownWithCustomErrorMessageFunction() {
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StepVerifier.create(new CustomErrorMessageFunctionReactiveHealthIndicator().health())
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.consumeNextWith((health) -> assertThat(health).isEqualTo(Health.down(new RuntimeException()).build()))
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.verifyComplete();
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assertThat(this.output.toString()).contains("Health check failed with RuntimeException");
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}
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private static final class SimpleReactiveHealthIndicator extends AbstractReactiveHealthIndicator {
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SimpleReactiveHealthIndicator() {
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super("Health check failed for simple");
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}
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@Override
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protected Mono<Health> doHealthCheck(Builder builder) {
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return Mono.just(builder.up().build());
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}
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}
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private static final class CustomErrorMessageReactiveHealthIndicator extends AbstractReactiveHealthIndicator {
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CustomErrorMessageReactiveHealthIndicator() {
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super("Health check failed for custom");
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}
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@Override
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protected Mono<Health> doHealthCheck(Builder builder) {
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return Mono.error(new UnsupportedOperationException());
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}
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}
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private static final class CustomErrorMessageFunctionReactiveHealthIndicator
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extends AbstractReactiveHealthIndicator {
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CustomErrorMessageFunctionReactiveHealthIndicator() {
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super((ex) -> "Health check failed with " + ex.getClass().getSimpleName());
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}
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@Override
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protected Mono<Health> doHealthCheck(Builder builder) {
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throw new RuntimeException();
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}
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}
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}
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