/*
* 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.feign;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.junit.Test;
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.builder.SpringApplicationBuilder;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author Spencer Gibb
*/
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = SpringDecoderTests.Application.class, webEnvironment = WebEnvironment.RANDOM_PORT, value = {
"spring.application.name=springdecodertest", "spring.jmx.enabled=false" })
@DirtiesContext
public class SpringDecoderTests extends FeignClientFactoryBean {
@Autowired
FeignContext context;
@Value("${local.server.port}")
private int port = 0;
public SpringDecoderTests() {
setName("test");
}
public TestClient testClient() {
return testClient(false);
}
public TestClient testClient(boolean decode404) {
setType(this.getClass());
setDecode404(decode404);
return feign(context).target(TestClient.class, "http://localhost:" + this.port);
}
@Test
public void testResponseEntity() {
ResponseEntity<Hello> response = testClient().getHelloResponse();
assertNotNull("response was null", response);
assertEquals("wrong status code", HttpStatus.OK, response.getStatusCode());
Hello hello = response.getBody();
assertNotNull("hello was null", hello);
assertEquals("first hello didn't match", new Hello("hello world via response"),
hello);
}
@Test
public void testSimpleType() {
Hello hello = testClient().getHello();
assertNotNull("hello was null", hello);
assertEquals("first hello didn't match", new Hello("hello world 1"), hello);
}
@Test
public void testUserParameterizedTypeDecode() {
List<Hello> hellos = testClient().getHellos();
assertNotNull("hellos was null", hellos);
assertEquals("hellos was not the right size", 2, hellos.size());
assertEquals("first hello didn't match", new Hello("hello world 1"),
hellos.get(0));
}
@Test
public void testSimpleParameterizedTypeDecode() {
List<String> hellos = testClient().getHelloStrings();
assertNotNull("hellos was null", hellos);
assertEquals("hellos was not the right size", 2, hellos.size());
assertEquals("first hello didn't match", "hello world 1", hellos.get(0));
}
@Test
@SuppressWarnings("unchecked")
public void testWildcardTypeDecode() {
ResponseEntity<?> wildcard = testClient().getWildcard();
assertNotNull("wildcard was null", wildcard);
assertEquals("wrong status code", HttpStatus.OK, wildcard.getStatusCode());
Object wildcardBody = wildcard.getBody();
assertNotNull("wildcardBody was null", wildcardBody);
assertTrue("wildcard not an instance of Map", wildcardBody instanceof Map);
Map<String, String> hello = (Map<String, String>) wildcardBody;
assertEquals("first hello didn't match", "wildcard", hello.get("message"));
}
@Test
public void testResponseEntityVoid() {
ResponseEntity<Void> response = testClient().getHelloVoid();
assertNotNull("response was null", response);
List<String> headerVals = response.getHeaders().get("X-test-header");
assertNotNull("headerVals was null", headerVals);
assertEquals("headerVals size was wrong", 1, headerVals.size());
String header = headerVals.get(0);
assertEquals("header was wrong", "myval", header);
}
@Test(expected = RuntimeException.class)
public void test404() {
testClient().getNotFound();
}
@Test
public void testDecodes404() {
final ResponseEntity<String> response = testClient(true).getNotFound();
assertNotNull("response was null", response);
assertNull("response body was not null", response.getBody());
}
@Data
@AllArgsConstructor
@NoArgsConstructor
public static class Hello {
private String message;
}
protected interface TestClient {
@RequestMapping(method = RequestMethod.GET, value = "/helloresponse")
ResponseEntity<Hello> getHelloResponse();
@RequestMapping(method = RequestMethod.GET, value = "/hellovoid")
ResponseEntity<Void> getHelloVoid();
@RequestMapping(method = RequestMethod.GET, value = "/hello")
Hello getHello();
@RequestMapping(method = RequestMethod.GET, value = "/hellos")
List<Hello> getHellos();
@RequestMapping(method = RequestMethod.GET, value = "/hellostrings")
List<String> getHelloStrings();
@RequestMapping(method = RequestMethod.GET, value = "/hellonotfound")
ResponseEntity<String> getNotFound();
@GetMapping("/helloWildcard")
ResponseEntity<?> getWildcard();
}
@Configuration
@EnableAutoConfiguration
@RestController
protected static class Application implements TestClient {
@Override
public ResponseEntity<Hello> getHelloResponse() {
return ResponseEntity.ok(new Hello("hello world via response"));
}
@Override
public ResponseEntity<Void> getHelloVoid() {
return ResponseEntity.noContent().header("X-test-header", "myval").build();
}
@Override
public Hello getHello() {
return new Hello("hello world 1");
}
@Override
public List<Hello> getHellos() {
ArrayList<Hello> hellos = new ArrayList<>();
hellos.add(new Hello("hello world 1"));
hellos.add(new Hello("oi terra 2"));
return hellos;
}
@Override
public List<String> getHelloStrings() {
ArrayList<String> hellos = new ArrayList<>();
hellos.add("hello world 1");
hellos.add("oi terra 2");
return hellos;
}
@Override
public ResponseEntity<String> getNotFound() {
return ResponseEntity.status(HttpStatus.NOT_FOUND).body((String) null);
}
@Override
public ResponseEntity<?> getWildcard() {
return ResponseEntity.ok(new Hello("wildcard"));
}
public static void main(String[] args) {
new SpringApplicationBuilder(Application.class)
.properties("spring.application.name=springdecodertest",
"management.contextPath=/admin")
.run(args);
}
}
}