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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @summary Demonstrates how to achieve testing without network connections
* @build DelegatingHttpClient FixedHttpResponse FixedResponseHttpClient
* @run testng/othervm OfflineTesting
*/
import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.BiPredicate;
import org.testng.annotations.Test;
import static java.lang.String.format;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Objects.requireNonNull;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
public class OfflineTesting {
private static HttpClient getClient() {
// be sure to return the appropriate client when testing
//return HttpClient.newHttpClient();
return FixedResponseHttpClient.createClientFrom(
HttpClient.newBuilder(),
200,
headersOf("Server", "nginx",
"Content-Type", "text/html"),
"A response message");
}
@Test
public void testResponseAsString() {
HttpClient client = getClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://openjdk.java.net/"))
.build();
client.sendAsync(request, BodyHandlers.ofString())
.thenAccept(response -> {
System.out.println("response: " + response);
assertEquals(response.statusCode(), 200);
assertTrue(response.headers().firstValue("Server").isPresent());
assertEquals(response.body(), "A response message"); } )
.join();
}
@Test
public void testResponseAsByteArray() {
HttpClient client = getClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://openjdk.java.net/"))
.build();
client.sendAsync(request, BodyHandlers.ofByteArray())
.thenAccept(response -> {
System.out.println("response: " + response);
assertEquals(response.statusCode(), 200);
assertTrue(response.headers().firstValue("Content-Type").isPresent());
assertEquals(response.body(), "A response message".getBytes(UTF_8)); } )
.join();
}
@Test
public void testFileNotFound() {
//HttpClient client = HttpClient.newHttpClient();
HttpClient client = FixedResponseHttpClient.createClientFrom(
HttpClient.newBuilder(),
404,
headersOf("Connection", "keep-alive",
"Content-Length", "162",
"Content-Type", "text/html",
"Date", "Mon, 15 Jan 2018 15:01:16 GMT",
"Server", "nginx"),
"<html>\n" +
"<head><title>404 Not Found</title></head>\n" +
"<body bgcolor=\"white\">\n" +
"<center><h1>404 Not Found</h1></center>\n" +
"<hr><center>nginx</center>\n" +
"</body>\n" +
"</html>");
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://openjdk.java.net/notFound"))
.build();
client.sendAsync(request, BodyHandlers.ofString())
.thenAccept(response -> {
assertEquals(response.statusCode(), 404);
response.headers().firstValue("Content-Type")
.ifPresentOrElse(type -> assertEquals(type, "text/html"),
() -> fail("Content-Type not present"));
assertTrue(response.body().contains("404 Not Found")); } )
.join();
}
@Test
public void testEcho() {
HttpClient client = FixedResponseHttpClient.createEchoClient(
HttpClient.newBuilder(),
200,
headersOf("Connection", "keep-alive"));
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://openjdk.java.net/echo"))
.POST(BodyPublishers.ofString("Hello World"))
.build();
client.sendAsync(request, BodyHandlers.ofString())
.thenAccept(response -> {
System.out.println("response: " + response);
assertEquals(response.statusCode(), 200);
assertEquals(response.body(), "Hello World"); } )
.join();
}
@Test
public void testEchoBlocking() throws IOException, InterruptedException {
HttpClient client = FixedResponseHttpClient.createEchoClient(
HttpClient.newBuilder(),
200,
headersOf("Connection", "keep-alive"));
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://openjdk.java.net/echo"))
.POST(BodyPublishers.ofString("Hello chegar!!"))
.build();
HttpResponse<String> response = client.send(request, BodyHandlers.ofString());
System.out.println("response: " + response);
assertEquals(response.statusCode(), 200);
assertEquals(response.body(), "Hello chegar!!");
}
// ---
public static IllegalArgumentException newIAE(String message, Object... args) {
return new IllegalArgumentException(format(message, args));
}
static final BiPredicate<String,String> ACCEPT_ALL = (x, y) -> true;
static HttpHeaders headersOf(String... params) {
Map<String,List<String>> map = new HashMap<>();
requireNonNull(params);
if (params.length == 0 || params.length % 2 != 0) {
throw newIAE("wrong number, %d, of parameters", params.length);
}
for (int i = 0; i < params.length; i += 2) {
String name = params[i];
String value = params[i + 1];
map.put(name, List.of(value));
}
return HttpHeaders.of(map, ACCEPT_ALL);
}
}
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