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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 android.webkit.cts;
import android.cts.util.PollingCheck;
import android.test.ActivityInstrumentationTestCase2;
import android.webkit.JavascriptInterface;
import android.webkit.ServiceWorkerController;
import android.webkit.ServiceWorkerClient;
import android.webkit.WebResourceResponse;
import android.webkit.WebResourceRequest;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.cts.WebViewOnUiThread.WaitForLoadedClient;
import java.io.ByteArrayInputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
public class ServiceWorkerClientTest extends ActivityInstrumentationTestCase2<WebViewCtsActivity> {
// The BASE_URL does not matter since the tests will intercept the load, but it should be https
// for the Service Worker registration to succeed.
private static final String BASE_URL = "https://www.example.com/";
private static final String INDEX_URL = BASE_URL + "index.html";
private static final String SW_URL = BASE_URL + "sw.js";
private static final String FETCH_URL = BASE_URL + "fetch.html";
private static final String JS_INTERFACE_NAME = "Android";
private static final int POLLING_TIMEOUT = 60 * 1000;
// static HTML page always injected instead of the url loaded.
private static final String INDEX_RAW_HTML =
"<!DOCTYPE html>\n"
+ "<html>\n"
+ " <body>\n"
+ " <script>\n"
+ " navigator.serviceWorker.register('sw.js').then(function(reg) {\n"
+ " " + JS_INTERFACE_NAME + ".registrationSuccess();\n"
+ " }).catch(function(err) { \n"
+ " console.error(err);\n"
+ " });\n"
+ " </script>\n"
+ " </body>\n"
+ "</html>\n";
private static final String SW_RAW_HTML = "fetch('fetch.html');";
private JavascriptStatusReceiver mJavascriptStatusReceiver;
private WebViewOnUiThread mOnUiThread;
public ServiceWorkerClientTest() throws Exception {
super("android.webkit.cts", WebViewCtsActivity.class);
}
// Both this test and WebViewOnUiThread need to override some of the methods on WebViewClient,
// so this test subclasses the WebViewClient from WebViewOnUiThread.
private static class InterceptClient extends WaitForLoadedClient {
public InterceptClient(WebViewOnUiThread webViewOnUiThread) throws Exception {
super(webViewOnUiThread);
}
@Override
public WebResourceResponse shouldInterceptRequest(WebView view,
WebResourceRequest request) {
// Only return content for INDEX_URL, deny all other requests.
try {
if (request.getUrl().toString().equals(INDEX_URL)) {
return new WebResourceResponse("text/html", "utf-8",
new ByteArrayInputStream(INDEX_RAW_HTML.getBytes("UTF-8")));
}
} catch(java.io.UnsupportedEncodingException e) {}
return new WebResourceResponse("text/html", "UTF-8", null);
}
}
public static class InterceptServiceWorkerClient extends ServiceWorkerClient {
private List<WebResourceRequest> mInterceptedRequests = new ArrayList<WebResourceRequest>();
@Override
public WebResourceResponse shouldInterceptRequest(WebResourceRequest request) {
// Records intercepted requests and only return content for SW_URL.
mInterceptedRequests.add(request);
try {
if (request.getUrl().toString().equals(SW_URL)) {
return new WebResourceResponse("application/javascript", "utf-8",
new ByteArrayInputStream(SW_RAW_HTML.getBytes("UTF-8")));
}
} catch(java.io.UnsupportedEncodingException e) {}
return new WebResourceResponse("text/html", "UTF-8", null);
}
List<WebResourceRequest> getInterceptedRequests() {
return mInterceptedRequests;
}
}
@Override
protected void setUp() throws Exception {
super.setUp();
WebView webview = getActivity().getWebView();
if (webview == null) return;
mOnUiThread = new WebViewOnUiThread(this, webview);
mOnUiThread.getSettings().setJavaScriptEnabled(true);
mJavascriptStatusReceiver = new JavascriptStatusReceiver();
mOnUiThread.addJavascriptInterface(mJavascriptStatusReceiver, JS_INTERFACE_NAME);
mOnUiThread.setWebViewClient(new InterceptClient(mOnUiThread));
}
@Override
protected void tearDown() throws Exception {
if (mOnUiThread != null) {
mOnUiThread.cleanUp();
}
super.tearDown();
}
// Test correct invocation of shouldInterceptRequest for Service Workers.
public void testServiceWorkerClientInterceptCallback() throws Exception {
final InterceptServiceWorkerClient mInterceptServiceWorkerClient =
new InterceptServiceWorkerClient();
ServiceWorkerController swController = ServiceWorkerController.getInstance();
swController.setServiceWorkerClient(mInterceptServiceWorkerClient);
mOnUiThread.loadUrlAndWaitForCompletion(INDEX_URL);
Callable<Boolean> registrationSuccess = new Callable<Boolean>() {
@Override
public Boolean call() {
return mJavascriptStatusReceiver.mRegistrationSuccess;
}
};
PollingCheck.check("JS could not register Service Worker", POLLING_TIMEOUT,
registrationSuccess);
Callable<Boolean> receivedRequest = new Callable<Boolean>() {
@Override
public Boolean call() {
return mInterceptServiceWorkerClient.getInterceptedRequests().size() >= 2;
}
};
PollingCheck.check("Service Worker intercept callbacks not invoked", POLLING_TIMEOUT,
receivedRequest);
List<WebResourceRequest> requests = mInterceptServiceWorkerClient.getInterceptedRequests();
assertEquals(2, requests.size());
assertEquals(SW_URL, requests.get(0).getUrl().toString());
assertEquals(FETCH_URL, requests.get(1).getUrl().toString());
}
// Object added to the page via AddJavascriptInterface() that is used by the test Javascript to
// notify back to Java if the Service Worker registration was successful.
public final static class JavascriptStatusReceiver {
public volatile boolean mRegistrationSuccess = false;
@JavascriptInterface
public void registrationSuccess() {
mRegistrationSuccess = true;
}
}
}
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