/*
* 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.ribbon;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.net.URI;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;
import org.springframework.http.RequestEntity;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.ResourceAccessException;
import org.springframework.web.client.RestTemplate;
import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ServerList;
import lombok.SneakyThrows;
/**
* @author Spencer Gibb
*/
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = RibbonClientHttpRequestFactoryTests.App.class, webEnvironment = WebEnvironment.RANDOM_PORT, value = {
"spring.application.name=ribbonclienttest", "spring.jmx.enabled=true",
"spring.cloud.netflix.metrics.enabled=false", "ribbon.http.client.enabled=true" })
@DirtiesContext
public class RibbonClientHttpRequestFactoryTests {
@Rule
public final ExpectedException exceptionRule = ExpectedException.none();
@LoadBalanced
@Autowired
protected RestTemplate restTemplate;
@Test
public void requestFactoryIsRibbon() {
ClientHttpRequestFactory requestFactory = this.restTemplate.getRequestFactory();
assertTrue("wrong RequestFactory type: " + requestFactory.getClass(),
requestFactory instanceof RibbonClientHttpRequestFactory);
}
@Test
public void vanillaRequestWorks() {
ResponseEntity<String> response = this.restTemplate.getForEntity("http://simple/",
String.class);
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello", response.getBody());
}
@Test
public void requestWithPathParamWorks() {
ResponseEntity<String> response = this.restTemplate
.getForEntity("http://simple/path/{param}", String.class, "world");
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello world", response.getBody());
}
@Test
public void requestWithEncodedPathParamWorks() {
ResponseEntity<String> response = this.restTemplate.getForEntity(
"http://simple/path/{param}", String.class, "world & everyone else");
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello world & everyone else",
response.getBody());
}
@Test
public void requestWithRequestParamWorks() {
ResponseEntity<String> response = this.restTemplate.getForEntity(
"http://simple/request?param={param}", String.class, "world");
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello world", response.getBody());
}
@Test
public void requestWithPostWorks() {
ResponseEntity<String> response = this.restTemplate
.postForEntity("http://simple/post", "world", String.class);
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello world", response.getBody());
}
@Test
public void requestWithEmptyPostWorks() {
ResponseEntity<String> response = this.restTemplate
.postForEntity("http://simple/emptypost", "", String.class);
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello empty", response.getBody());
}
@Test
@SneakyThrows
public void requestWithHeaderWorks() {
RequestEntity<Void> entity = RequestEntity.get(new URI("http://simple/header"))
.header("X-Param", "world").build();
ResponseEntity<String> response = this.restTemplate.exchange(entity,
String.class);
assertEquals("wrong response code", HttpStatus.OK, response.getStatusCode());
assertEquals("wrong response body", "hello world", response.getBody());
}
@Test
public void invalidHostNameError() {
this.exceptionRule.expect(ResourceAccessException.class);
this.exceptionRule.expectMessage("Invalid hostname");
this.restTemplate.getForEntity("http://simple_bad", String.class);
}
@Configuration
@EnableAutoConfiguration
@RestController
@RibbonClient(value = "simple", configuration = SimpleRibbonClientConfiguration.class)
public static class App {
@LoadBalanced
@Bean
RestTemplate restTemplate() {
return new RestTemplate();
}
@RequestMapping("/")
public String hi() {
return "hello";
}
@RequestMapping("/path/{param}")
public String hiParam(@PathVariable("param") String param) {
return "hello " + param;
}
@RequestMapping("/request")
public String hiRequest(@RequestParam("param") String param) {
return "hello " + param;
}
@RequestMapping(value = "/post", method = RequestMethod.POST)
public String hiPost(@RequestBody String param) {
return "hello " + param;
}
@RequestMapping(value = "/emptypost", method = RequestMethod.POST)
public String hiPostEmpty() {
return "hello empty";
}
@RequestMapping("/header")
public String hiHeader(@RequestHeader("X-Param") String param) {
return "hello " + param;
}
}
@Configuration
static class SimpleRibbonClientConfiguration {
@Value("${local.server.port}")
private int port = 0;
@Bean
public ServerList<Server> ribbonServerList() {
return new StaticServerList<>(new Server("localhost", this.port));
}
}
}