fix multiple servers test with ProdWebServerRule

Author: bamthomas

src/test/java/net/codestory/http/testhelpers/ProdWebServerRule.java

@@ -15,18 +15,18 @@
  */
 package net.codestory.http.testhelpers;
 
-import static net.codestory.http.Configuration.NO_ROUTE;
-import static net.codestory.http.misc.MemoizingSupplier.*;
-
-import java.util.function.*;
+import net.codestory.http.Configuration;
+import net.codestory.http.WebServer;
+import net.codestory.http.misc.Env;
+import org.junit.rules.ExternalResource;
 
-import net.codestory.http.*;
-import net.codestory.http.misc.*;
+import java.util.function.Supplier;
 
-import org.junit.rules.*;
+import static net.codestory.http.Configuration.NO_ROUTE;
+import static net.codestory.http.misc.MemoizingSupplier.memoize;
 
 public class ProdWebServerRule extends ExternalResource {
-  private static Supplier<WebServer> server = memoize(() -> new WebServer() {
+  private final Supplier<WebServer> server = memoize(() -> new WebServer() {
     @Override
     protected Env createEnv() {
       return Env.prod();

src/test/java/net/codestory/http/testhelpers/ProdWebServerRuleTest.java

@@ -0,0 +1,46 @@
+/**
+ * Copyright (C) 2013-2015 all@code-story.net
+ *
+ * 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 net.codestory.http.testhelpers;
+
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import org.junit.ClassRule;
+import org.junit.Test;
+
+import java.io.IOException;
+
+import static java.lang.String.format;
+import static org.assertj.core.api.Java6Assertions.assertThat;
+
+public class ProdWebServerRuleTest {
+  @ClassRule public static ProdWebServerRule server1 = new ProdWebServerRule();
+  @ClassRule public static ProdWebServerRule server2 = new ProdWebServerRule();
+  OkHttpClient client = new OkHttpClient();
+
+  @Test
+  public void test_2_servers_rules_should_be_independent() throws IOException {
+    server1.configure(routes -> routes.get("/index", "hello world 1"));
+    server2.configure(routes -> routes.get("/index", "hello world 2"));
+    try (Response response = client.newCall(new Request.Builder().url(format("http://localhost:%s/index", server1.port())).build()).execute()) {
+        assertThat(response.body().string()).isEqualTo("hello world 1");
+    }
+    try (Response response = client.newCall(new Request.Builder().url(format("http://localhost:%s/index", server2.port())).build()).execute()) {
+        assertThat(response.body().string()).isEqualTo("hello world 2");
+    }
+  }
+}