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/*
* ============LICENSE_START=======================================================
* ONAP : CCSDK.apps.sdnr.wt.apigateway
* ================================================================================
* Copyright (C) 2018 highstreet technologies GmbH Intellectual Property.
* All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.ccsdk.features.sdnr.wt.apigateway.test.helper;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.Enumeration;
import java.util.Map;
import java.util.Vector;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.After;
import org.junit.Before;
import org.onap.ccsdk.features.sdnr.wt.common.test.ServletInputStreamFromByteArrayInputStream;
import org.onap.ccsdk.features.sdnr.wt.common.test.ServletOutputStreamToStringWriter;
@SuppressWarnings("restriction")
public class HelpServletBase {
public static final String HTTPMETHOD_GET = "GET";
public static final String HTTPMETHOD_POST = "POST";
public static final String HTTPMETHOD_PUT = "PUT";
public static final String HTTPMETHOD_DELETE = "DELETE";
public static final String HTTPMETHOD_OPTIONS = "OPTIONS";
private IPublicServlet servlet;
private static HttpServer server;
private static ExecutorService httpThreadPool;
public final String HOST = "localhost";
protected static int testPort;
private final String baseUri;
protected static final String LR = "\n";
public HelpServletBase(String baseuri, int port) {
this.baseUri = baseuri;
testPort = port;
}
public void setServlet(IPublicServlet s) {
this.servlet = s;
}
protected void testrequest(String method, String data, String expectedResponse, boolean exact) {
this.testrequest("/mwtn/test", method, data, expectedResponse, exact, null);
}
protected void testrequest(String uri, String method, String data, String expectedResponse, boolean exact) {
this.testrequest(uri, method, data, expectedResponse, exact, null);
}
protected void testrequest(String uri, String method, String data, String expectedResponse, boolean exact,
Map<String, String> headersToCheck) {
HttpServletRequest mockRequest = mock(HttpServletRequest.class);
HttpServletResponse mockResponse = mock(HttpServletResponse.class);
ServletOutputStreamToStringWriter printOut = new ServletOutputStreamToStringWriter();
ServletInputStreamFromByteArrayInputStream inputStream = new ServletInputStreamFromByteArrayInputStream(data.getBytes());
Vector<String> headers = new Vector<String>();
headers.addElement("Accept");
headers.add("User-Agent");
Enumeration<String> headerNames = headers.elements();
try {
when(mockRequest.getRequestURI()).thenReturn(this.baseUri + uri);
when(mockRequest.getHeaderNames()).thenReturn(headerNames);
when(mockRequest.getHeader("Accept")).thenReturn("application/json");
when(mockRequest.getHeader("User-Agent")).thenReturn("Gecko abc");
when(mockRequest.getInputStream()).thenReturn(inputStream);
when(mockResponse.getOutputStream()).thenReturn(printOut);
System.out.println("do a " + method + " request");
if (method == HTTPMETHOD_GET)
this.servlet.doGet(mockRequest, mockResponse);
else if (method == HTTPMETHOD_POST)
this.servlet.doPost(mockRequest, mockResponse);
else if (method == HTTPMETHOD_PUT)
this.servlet.doPut(mockRequest, mockResponse);
else if (method == HTTPMETHOD_DELETE)
this.servlet.doDelete(mockRequest, mockResponse);
else if (method == HTTPMETHOD_OPTIONS)
this.servlet.doOptions(mockRequest, mockResponse);
else
fail("http request method " + method + " test not implemented");
} catch (Exception e) {
System.err.println(e.getMessage());
}
verify(mockResponse).setStatus(200);
if (exact)
assertEquals(expectedResponse, printOut.getStringWriter().toString());
else
assertTrue("response not for method " + method + "correct", printOut.getStringWriter().toString().contains(expectedResponse));
// currently unable to check extra headers
if (headersToCheck != null) {
}
}
@Before
private void init() throws IOException {
initEsTestWebserver(testPort);
}
@After
private void deinit() {
stopTestWebserver();
}
public static void initEsTestWebserver(int port) throws IOException {
initEsTestWebserver(port, "/mwtn/test");
}
public static void initEsTestWebserver(int port, String baseUri) throws IOException {
server = HttpServer.create(new InetSocketAddress("127.0.0.1", port), 0);
httpThreadPool = Executors.newFixedThreadPool(5);
server.setExecutor(httpThreadPool);
server.createContext(baseUri, new MyHandler());
//server.createContext("/", new MyRootHandler());
server.setExecutor(null); // creates a default executor
server.start();
System.out.println("http server started");
}
public static void stopTestWebserver() {
if (server != null) {
server.stop(0);
httpThreadPool.shutdownNow();
System.out.println("http server stopped");
}
}
public static class MyHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
String method = t.getRequestMethod();
System.out.println(String.format("req received: %s %s", method, t.getRequestURI()));
OutputStream os = null;
try {
if (method.equals(HTTPMETHOD_GET)) {
t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_GET.length());
os = t.getResponseBody();
os.write(HelpEsServlet.RESPONSE_GET.getBytes());
} else if (method.equals(HTTPMETHOD_POST)) {
t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_POST.length());
os = t.getResponseBody();
os.write(HelpEsServlet.RESPONSE_POST.getBytes());
} else if (method.equals(HTTPMETHOD_PUT)) {
t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_PUT.length());
os = t.getResponseBody();
os.write(HelpEsServlet.RESPONSE_PUT.getBytes());
} else if (method.equals(HTTPMETHOD_DELETE)) {
t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_DELETE.length());
os = t.getResponseBody();
os.write(HelpEsServlet.RESPONSE_DELETE.getBytes());
} else if (method.equals(HTTPMETHOD_OPTIONS)) {
t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_OPTIONS.length());
//os = t.getResponseBody();
//os.write(RESPONSE_OPTIONS.getBytes());
} else {
t.sendResponseHeaders(404, 0);
}
System.out.println("req handled successful");
} catch (Exception e) {
System.out.println(e.getMessage());
} finally {
if (os != null) {
os.close();
}
}
}
}
}
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