/*
* Copyright 2013-2016 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.zuul.filters.post;
import javax.servlet.http.HttpServletRequest;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.context.embedded.LocalServerPort;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.cloud.netflix.ribbon.RibbonClient;
import org.springframework.cloud.netflix.ribbon.StaticServerList;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ServerList;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
/**
* @author Spencer Gibb
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SendErrorFilterIntegrationTests.Config.class,
properties = "zuul.routes.filtertest:/filtertest/**",
webEnvironment = RANDOM_PORT)
@DirtiesContext
public class SendErrorFilterIntegrationTests {
@LocalServerPort
private int port;
@Before
public void setTestRequestcontext() {
RequestContext context = new RequestContext();
RequestContext.testSetCurrentContext(context);
}
@Test
public void testPreFails() {
String url = "http://localhost:" + port + "/filtertest/get?failpre=true";
ResponseEntity<String> response = new TestRestTemplate().getForEntity(url, String.class);
assertThat(response.getStatusCode()).isEqualTo(HttpStatus.INTERNAL_SERVER_ERROR);
}
@Test
public void testRouteFails() {
String url = "http://localhost:" + port + "/filtertest/get?failroute=true";
ResponseEntity<String> response = new TestRestTemplate().getForEntity(url, String.class);
assertThat(response.getStatusCode()).isEqualTo(HttpStatus.INTERNAL_SERVER_ERROR);
}
@Test
public void testPostFails() {
String url = "http://localhost:" + port + "/filtertest/get?failpost=true";
ResponseEntity<String> response = new TestRestTemplate().getForEntity(url, String.class);
assertThat(response.getStatusCode()).isEqualTo(HttpStatus.INTERNAL_SERVER_ERROR);
}
@SpringBootConfiguration
@EnableAutoConfiguration
@EnableZuulProxy
@RestController
@RibbonClient(name = "filtertest", configuration = RibbonConfig.class)
protected static class Config {
@RequestMapping("/get")
public String get() {
return "Hello";
}
@Bean
public ZuulFilter testPreFilter() {
return new FailureFilter() {
@Override
public String filterType() {
return "pre";
}
};
}
@Bean
public ZuulFilter testRouteFilter() {
return new FailureFilter() {
@Override
public String filterType() {
return "route";
}
};
}
@Bean
public ZuulFilter testPostFilter() {
return new FailureFilter() {
@Override
public String filterType() {
return "post";
}
};
}
}
public static class RibbonConfig {
@LocalServerPort
private int port;
@Bean
public ServerList<Server> ribbonServerList() {
return new StaticServerList<>(new Server("localhost", this.port));
}
}
private abstract static class FailureFilter extends ZuulFilter {
@Override
public int filterOrder() {
return Integer.MIN_VALUE;
}
@Override
public boolean shouldFilter() {
HttpServletRequest request = RequestContext.getCurrentContext().getRequest();
return request.getParameter("fail"+filterType()) != null;
}
@Override
public Object run() {
HttpServletRequest request = RequestContext.getCurrentContext().getRequest();
if (request.getParameter("fail"+filterType()) != null) {
throw new RuntimeException("failing on purpose in " + filterType());
}
return null;
}
}
}