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ZipkinConfigurationsSenderConfigurationTests.java
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ZipkinConfigurationsSenderConfigurationTests.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.tracing.zipkin;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentMatchers;
import zipkin2.reporter.Sender;
import zipkin2.reporter.urlconnection.URLConnectionSender;
import org.springframework.boot.actuate.autoconfigure.tracing.zipkin.ZipkinConfigurations.SenderConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.FilteredClassLoader;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.reactive.function.client.WebClient;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.then;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link SenderConfiguration}.
*
* @author Moritz Halbritter
*/
class ZipkinConfigurationsSenderConfigurationTests {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(SenderConfiguration.class));
private final ReactiveWebApplicationContextRunner reactiveContextRunner = new ReactiveWebApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(SenderConfiguration.class));
private final WebApplicationContextRunner servletContextRunner = new WebApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(SenderConfiguration.class));
@Test
void shouldSupplyBeans() {
this.contextRunner.run((context) -> {
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(URLConnectionSender.class);
assertThat(context).doesNotHaveBean(ZipkinRestTemplateSender.class);
});
}
@Test
void shouldPreferWebClientSenderIfWebApplicationIsReactiveAndUrlSenderIsNotAvailable() {
this.reactiveContextRunner.withUserConfiguration(RestTemplateConfiguration.class, WebClientConfiguration.class)
.withClassLoader(new FilteredClassLoader("zipkin2.reporter.urlconnection")).run((context) -> {
assertThat(context).doesNotHaveBean(URLConnectionSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(ZipkinWebClientSender.class);
then(context.getBean(ZipkinWebClientBuilderCustomizer.class)).should()
.customize(ArgumentMatchers.any());
});
}
@Test
void shouldPreferWebClientSenderIfWebApplicationIsServletAndUrlSenderIsNotAvailable() {
this.servletContextRunner.withUserConfiguration(RestTemplateConfiguration.class, WebClientConfiguration.class)
.withClassLoader(new FilteredClassLoader("zipkin2.reporter.urlconnection")).run((context) -> {
assertThat(context).doesNotHaveBean(URLConnectionSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(ZipkinWebClientSender.class);
});
}
@Test
void shouldPreferWebClientInNonWebApplicationAndUrlConnectionSenderIsNotAvailable() {
this.contextRunner.withUserConfiguration(RestTemplateConfiguration.class, WebClientConfiguration.class)
.withClassLoader(new FilteredClassLoader("zipkin2.reporter.urlconnection")).run((context) -> {
assertThat(context).doesNotHaveBean(URLConnectionSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(ZipkinWebClientSender.class);
});
}
@Test
void willUseRestTemplateInNonWebApplicationIfUrlConnectionSenderAndWebClientAreNotAvailable() {
this.contextRunner.withUserConfiguration(RestTemplateConfiguration.class)
.withClassLoader(new FilteredClassLoader(URLConnectionSender.class, WebClient.class)).run((context) -> {
assertThat(context).doesNotHaveBean(URLConnectionSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(ZipkinRestTemplateSender.class);
});
}
@Test
void willUseRestTemplateInServletWebApplicationIfUrlConnectionSenderAndWebClientNotAvailable() {
this.servletContextRunner.withUserConfiguration(RestTemplateConfiguration.class)
.withClassLoader(new FilteredClassLoader(URLConnectionSender.class, WebClient.class)).run((context) -> {
assertThat(context).doesNotHaveBean(URLConnectionSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(ZipkinRestTemplateSender.class);
});
}
@Test
void willUseRestTemplateInReactiveWebApplicationIfUrlConnectionSenderAndWebClientAreNotAvailable() {
this.reactiveContextRunner.withUserConfiguration(RestTemplateConfiguration.class)
.withClassLoader(new FilteredClassLoader(URLConnectionSender.class, WebClient.class)).run((context) -> {
assertThat(context).doesNotHaveBean(URLConnectionSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(ZipkinRestTemplateSender.class);
});
}
@Test
void shouldNotUseWebClientSenderIfNoBuilderIsAvailable() {
this.reactiveContextRunner.run((context) -> {
assertThat(context).doesNotHaveBean(ZipkinWebClientSender.class);
assertThat(context).hasSingleBean(Sender.class);
assertThat(context).hasSingleBean(URLConnectionSender.class);
});
}
@Test
void shouldBackOffOnCustomBeans() {
this.contextRunner.withUserConfiguration(CustomConfiguration.class).run((context) -> {
assertThat(context).hasBean("customSender");
assertThat(context).hasSingleBean(Sender.class);
});
}
@Configuration(proxyBeanMethods = false)
private static class RestTemplateConfiguration {
@Bean
ZipkinRestTemplateBuilderCustomizer zipkinRestTemplateBuilderCustomizer() {
return new DummyZipkinRestTemplateBuilderCustomizer();
}
}
@Configuration(proxyBeanMethods = false)
private static class WebClientConfiguration {
@Bean
ZipkinWebClientBuilderCustomizer webClientBuilder() {
return mock(ZipkinWebClientBuilderCustomizer.class);
}
}
@Configuration(proxyBeanMethods = false)
private static class CustomConfiguration {
@Bean
Sender customSender() {
return mock(Sender.class);
}
}
private static class DummyZipkinRestTemplateBuilderCustomizer implements ZipkinRestTemplateBuilderCustomizer {
@Override
public RestTemplateBuilder customize(RestTemplateBuilder restTemplateBuilder) {
return restTemplateBuilder;
}
}
}