/*
* Copyright 2013-2015 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
*
* http://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.cloud.netflix.metrics;
import static org.junit.Assert.assertEquals;
import java.util.Arrays;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.autoconfigure.aop.AopAutoConfiguration;
import org.springframework.cloud.netflix.metrics.servo.ServoMetricsAutoConfiguration;
import org.springframework.cloud.netflix.metrics.servo.ServoMonitorCache;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.web.client.MockRestServiceServer;
import org.springframework.test.web.client.match.MockRestRequestMatchers;
import org.springframework.test.web.client.response.MockRestResponseCreators;
import org.springframework.web.client.RestTemplate;
import com.netflix.servo.MonitorRegistry;
import com.netflix.servo.monitor.BasicTimer;
import com.netflix.servo.monitor.MonitorConfig;
/**
* @author Jon Schneider
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { MetricsRestTemplateRestTemplateConfig.class,
MetricsRestTemplateTestConfig.class })
@TestPropertySource(properties = { "netflix.metrics.restClient.metricName=metricName",
"spring.aop.proxy-target-class=true" })
public class MetricsClientHttpRequestInterceptorTests {
@Autowired
MonitorRegistry registry;
@Autowired
ServoMonitorCache servoMonitorCache;
@Autowired
RestTemplate restTemplate;
@Autowired
RestTemplate restTemplateWithFakeInterceptorsList;
@Test
public void metricsGatheredWhenSuccessful() {
MockRestServiceServer mockServer = MockRestServiceServer.createServer(restTemplate);
mockServer.expect(MockRestRequestMatchers.requestTo("/test/123"))
.andExpect(MockRestRequestMatchers.method(HttpMethod.GET))
.andRespond(MockRestResponseCreators.withSuccess("OK", MediaType.APPLICATION_JSON));
String s = restTemplate.getForObject("/test/{id}", String.class, 123);
MonitorConfig.Builder builder = new MonitorConfig.Builder("metricName")
.withTag("method", "GET")
.withTag("uri", "_test_-id-")
.withTag("status", "200")
.withTag("clientName", "none");
BasicTimer timer = servoMonitorCache.getTimer(builder.build());
assertEquals(1L, (long) timer.getCount());
assertEquals("OK", s);
mockServer.verify();
}
@Test
public void restTemplateWithFakeInterceptorList() {
MockRestServiceServer mockServer = MockRestServiceServer.createServer(restTemplateWithFakeInterceptorsList);
mockServer.expect(MockRestRequestMatchers.requestTo("/test/123"))
.andExpect(MockRestRequestMatchers.method(HttpMethod.GET))
.andRespond(MockRestResponseCreators.withSuccess("OK", MediaType.APPLICATION_JSON));
String s = restTemplate.getForObject("/test/{id}", String.class, 123);
MonitorConfig.Builder builder = new MonitorConfig.Builder("metricName")
.withTag("method", "GET")
.withTag("uri", "_test_-id-")
.withTag("status", "200")
.withTag("clientName", "none");
BasicTimer timer = servoMonitorCache.getTimer(builder.build());
assertEquals(2L, (long) timer.getCount());
assertEquals("OK", s);
mockServer.verify();
}
}
@Configuration
@ImportAutoConfiguration({ ServoMetricsAutoConfiguration.class,
PropertyPlaceholderAutoConfiguration.class, AopAutoConfiguration.class })
class MetricsRestTemplateTestConfig {
@Bean
@Primary
public MonitorRegistry monitorRegistry() {
return new SimpleMonitorRegistry();
}
}
@Configuration
class MetricsRestTemplateRestTemplateConfig {
@Bean
@Primary
RestTemplate restTemplate() {
return new RestTemplate();
}
@Bean(name="restTemplateWithFakeInterceptorsList")
RestTemplate restTemplateWithFakeInterceptorsList() {
RestTemplate restTemplate = new RestTemplate();
restTemplate.setInterceptors(Arrays.asList(Mockito.mock(ClientHttpRequestInterceptor.class)));
return restTemplate;
}
}