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CloudFoundryWebEndpointDiscovererTests.java
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CloudFoundryWebEndpointDiscovererTests.java
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/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.actuate.autoconfigure.cloudfoundry;
import java.util.Collection;
import java.util.Collections;
import java.util.function.Consumer;
import java.util.function.Function;
import org.junit.jupiter.api.Test;
import org.springframework.boot.actuate.endpoint.EndpointId;
import org.springframework.boot.actuate.endpoint.InvocationContext;
import org.springframework.boot.actuate.endpoint.SecurityContext;
import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
import org.springframework.boot.actuate.endpoint.invoke.convert.ConversionServiceParameterValueMapper;
import org.springframework.boot.actuate.endpoint.invoker.cache.CachingOperationInvokerAdvisor;
import org.springframework.boot.actuate.endpoint.web.EndpointMediaTypes;
import org.springframework.boot.actuate.endpoint.web.ExposableWebEndpoint;
import org.springframework.boot.actuate.endpoint.web.PathMapper;
import org.springframework.boot.actuate.endpoint.web.WebOperation;
import org.springframework.boot.actuate.endpoint.web.annotation.EndpointWebExtension;
import org.springframework.boot.actuate.health.HealthContributorRegistry;
import org.springframework.boot.actuate.health.HealthEndpoint;
import org.springframework.boot.actuate.health.HealthEndpointGroups;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.support.DefaultConversionService;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link CloudFoundryWebEndpointDiscoverer}.
*
* @author Madhura Bhave
*/
class CloudFoundryWebEndpointDiscovererTests {
@Test
void getEndpointsShouldAddCloudFoundryHealthExtension() {
load(TestConfiguration.class, (discoverer) -> {
Collection<ExposableWebEndpoint> endpoints = discoverer.getEndpoints();
assertThat(endpoints.size()).isEqualTo(2);
for (ExposableWebEndpoint endpoint : endpoints) {
if (endpoint.getEndpointId().equals(EndpointId.of("health"))) {
WebOperation operation = findMainReadOperation(endpoint);
assertThat(operation
.invoke(new InvocationContext(mock(SecurityContext.class), Collections.emptyMap())))
.isEqualTo("cf");
}
}
});
}
private WebOperation findMainReadOperation(ExposableWebEndpoint endpoint) {
for (WebOperation operation : endpoint.getOperations()) {
if (operation.getRequestPredicate().getPath().equals("health")) {
return operation;
}
}
throw new IllegalStateException("No main read operation found from " + endpoint.getOperations());
}
private void load(Class<?> configuration, Consumer<CloudFoundryWebEndpointDiscoverer> consumer) {
load((id) -> null, EndpointId::toString, configuration, consumer);
}
private void load(Function<EndpointId, Long> timeToLive, PathMapper endpointPathMapper, Class<?> configuration,
Consumer<CloudFoundryWebEndpointDiscoverer> consumer) {
try (AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(configuration)) {
ConversionServiceParameterValueMapper parameterMapper = new ConversionServiceParameterValueMapper(
DefaultConversionService.getSharedInstance());
EndpointMediaTypes mediaTypes = new EndpointMediaTypes(Collections.singletonList("application/json"),
Collections.singletonList("application/json"));
CloudFoundryWebEndpointDiscoverer discoverer = new CloudFoundryWebEndpointDiscoverer(context,
parameterMapper, mediaTypes, Collections.singletonList(endpointPathMapper),
Collections.singleton(new CachingOperationInvokerAdvisor(timeToLive)), Collections.emptyList());
consumer.accept(discoverer);
}
}
@Configuration(proxyBeanMethods = false)
static class TestConfiguration {
@Bean
TestEndpoint testEndpoint() {
return new TestEndpoint();
}
@Bean
TestEndpointWebExtension testEndpointWebExtension() {
return new TestEndpointWebExtension();
}
@Bean
HealthEndpoint healthEndpoint() {
HealthContributorRegistry registry = mock(HealthContributorRegistry.class);
HealthEndpointGroups groups = mock(HealthEndpointGroups.class);
return new HealthEndpoint(registry, groups, null);
}
@Bean
HealthEndpointWebExtension healthEndpointWebExtension() {
return new HealthEndpointWebExtension();
}
@Bean
TestHealthEndpointCloudFoundryExtension testHealthEndpointCloudFoundryExtension() {
return new TestHealthEndpointCloudFoundryExtension();
}
}
@Endpoint(id = "test")
static class TestEndpoint {
@ReadOperation
Object getAll() {
return null;
}
}
@EndpointWebExtension(endpoint = TestEndpoint.class)
static class TestEndpointWebExtension {
@ReadOperation
Object getAll() {
return null;
}
}
@EndpointWebExtension(endpoint = HealthEndpoint.class)
static class HealthEndpointWebExtension {
@ReadOperation
Object getAll() {
return null;
}
}
@EndpointCloudFoundryExtension(endpoint = HealthEndpoint.class)
static class TestHealthEndpointCloudFoundryExtension {
@ReadOperation
Object getAll() {
return "cf";
}
}
}