Java tutorial
/* * Copyright (c) 2016 Network New Technologies 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 com.networknt.info; import com.networknt.config.Config; import com.networknt.status.Status; import io.undertow.Handlers; import io.undertow.Undertow; import io.undertow.server.HttpHandler; import io.undertow.server.RoutingHandler; import io.undertow.util.Methods; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.junit.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.File; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader; import java.util.HashMap; import java.util.Map; /** * Created by steve on 01/10/16. */ public class ServerInfoDisabledTest { static final Logger logger = LoggerFactory.getLogger(ServerInfoHandlerTest.class); static Undertow server = null; static String homeDir = System.getProperty("user.home"); @BeforeClass public static void setUp() throws Exception { // inject in memory constructed info.json to homeDir as classpath Config.getInstance().clear(); Map<String, Object> map = new HashMap<>(); map.put("description", "server info config"); map.put("enableServerInfo", false); Config.getInstance().getMapper().writeValue(new File(homeDir + "/info.json"), map); // Add home directory to the classpath of the system class loader. addURL(new File(homeDir).toURI().toURL()); if (server == null) { logger.info("starting server"); HttpHandler handler = getTestHandler(); server = Undertow.builder().addHttpListener(8080, "localhost").setHandler(handler).build(); server.start(); } } @AfterClass public static void tearDown() throws Exception { if (server != null) { try { Thread.sleep(100); } catch (InterruptedException ignored) { } server.stop(); logger.info("The server is stopped."); } // Remove the test.json from home directory File configFile = new File(homeDir + "/info.json"); configFile.delete(); // this is very important as it impacts subsequent test case if it is not cleared. Config.getInstance().clear(); } static void addURL(URL url) throws Exception { URLClassLoader classLoader = (URLClassLoader) ClassLoader.getSystemClassLoader(); Class clazz = URLClassLoader.class; // Use reflection Method method = clazz.getDeclaredMethod("addURL", URL.class); method.setAccessible(true); method.invoke(classLoader, url); } static RoutingHandler getTestHandler() { return Handlers.routing().add(Methods.GET, "/v1/server/info", new ServerInfoHandler()); } @Test public void testServerInfo() throws Exception { String url = "http://localhost:8080/v1/server/info"; CloseableHttpClient client = HttpClients.createDefault(); HttpGet httpGet = new HttpGet(url); try { CloseableHttpResponse response = client.execute(httpGet); int statusCode = response.getStatusLine().getStatusCode(); Assert.assertEquals(404, statusCode); if (statusCode == 404) { Status status = Config.getInstance().getMapper().readValue(response.getEntity().getContent(), Status.class); Assert.assertNotNull(status); Assert.assertEquals("ERR10013", status.getCode()); } } catch (Exception e) { e.printStackTrace(); } } }