/*
* Copyright 2013 Netflix, Inc.
*
* 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 feign.ribbon;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.Rule;
import org.junit.Test;
import java.io.IOException;
import java.net.URL;
import feign.Feign;
import feign.RequestLine;
import static com.netflix.config.ConfigurationManager.getConfigInstance;
import static org.junit.Assert.assertEquals;
public class LoadBalancingTargetTest {
@Rule
public final MockWebServer server1 = new MockWebServer();
@Rule
public final MockWebServer server2 = new MockWebServer();
static String hostAndPort(URL url) {
// our build slaves have underscores in their hostnames which aren't permitted by ribbon
return "localhost:" + url.getPort();
}
@Test
public void loadBalancingDefaultPolicyRoundRobin() throws IOException, InterruptedException {
String name = "LoadBalancingTargetTest-loadBalancingDefaultPolicyRoundRobin";
String serverListKey = name + ".ribbon.listOfServers";
server1.enqueue(new MockResponse().setBody("success!"));
server2.enqueue(new MockResponse().setBody("success!"));
getConfigInstance().setProperty(serverListKey,
hostAndPort(server1.url("").url()) + "," + hostAndPort(
server2.url("").url()));
try {
LoadBalancingTarget<TestInterface>
target =
LoadBalancingTarget.create(TestInterface.class, "http://" + name);
TestInterface api = Feign.builder().target(target);
api.post();
api.post();
assertEquals(1, server1.getRequestCount());
assertEquals(1, server2.getRequestCount());
// TODO: verify ribbon stats match
// assertEquals(target.lb().getLoadBalancerStats().getSingleServerStat())
} finally {
getConfigInstance().clearProperty(serverListKey);
}
}
@Test
public void loadBalancingTargetPath() throws InterruptedException {
String name = "LoadBalancingTargetTest-loadBalancingDefaultPolicyRoundRobin";
String serverListKey = name + ".ribbon.listOfServers";
server1.enqueue(new MockResponse().setBody("success!"));
getConfigInstance().setProperty(serverListKey,
hostAndPort(server1.url("").url()));
try {
LoadBalancingTarget<TestInterface>
target =
LoadBalancingTarget.create(TestInterface.class, "http://" + name + "/context-path");
TestInterface api = Feign.builder().target(target);
api.get();
assertEquals("http:///context-path", target.url());
assertEquals("/context-path/servers", server1.takeRequest().getPath());
} finally {
getConfigInstance().clearProperty(serverListKey);
}
}
interface TestInterface {
@RequestLine("POST /")
void post();
@RequestLine("GET /servers")
void get();
}
}