| /* |
| * Copyright (C) 2011 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. |
| */ |
| |
| /** |
| * Common functionality for testing the WebView's Java Bridge. |
| */ |
| |
| package com.android.webviewtests; |
| |
| import android.test.ActivityInstrumentationTestCase2; |
| import android.util.Log; |
| import android.webkit.WebView; |
| import android.webkit.WebViewClient; |
| |
| import junit.framework.Assert; |
| |
| public class JavaBridgeTestBase extends ActivityInstrumentationTestCase2<WebViewStubActivity> { |
| protected class TestWebViewClient extends WebViewClient { |
| private boolean mIsPageFinished; |
| @Override |
| public synchronized void onPageFinished(WebView webView, String url) { |
| mIsPageFinished = true; |
| notify(); |
| } |
| public synchronized void waitForOnPageFinished() throws RuntimeException { |
| while (!mIsPageFinished) { |
| try { |
| wait(5000); |
| } catch (Exception e) { |
| continue; |
| } |
| if (!mIsPageFinished) { |
| throw new RuntimeException("Timed out waiting for onPageFinished()"); |
| } |
| } |
| mIsPageFinished = false; |
| } |
| } |
| |
| protected class Controller { |
| private boolean mIsResultReady; |
| |
| protected synchronized void notifyResultIsReady() { |
| mIsResultReady = true; |
| notify(); |
| } |
| protected synchronized void waitForResult() { |
| while (!mIsResultReady) { |
| try { |
| wait(5000); |
| } catch (Exception e) { |
| continue; |
| } |
| if (!mIsResultReady) { |
| Assert.fail("Wait timed out"); |
| } |
| } |
| mIsResultReady = false; |
| } |
| } |
| |
| protected TestWebViewClient mWebViewClient; |
| |
| public JavaBridgeTestBase() { |
| super(WebViewStubActivity.class); |
| } |
| |
| // Sets up the WebView and injects the supplied object. Intended to be called from setUp(). |
| protected void setUpWebView(final Object object, final String name) throws Exception { |
| mWebViewClient = new TestWebViewClient(); |
| // This starts the activity, so must be called on the test thread. |
| final WebViewStubActivity activity = getActivity(); |
| // On the UI thread, load an empty page and wait for it to finish |
| // loading so that the Java object is injected. |
| try { |
| runTestOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| WebView webView = activity.getWebView(); |
| webView.addJavascriptInterface(object, name); |
| webView.getSettings().setJavaScriptEnabled(true); |
| webView.setWebViewClient(mWebViewClient); |
| webView.loadData("<!DOCTYPE html><title></title>", "text/html", null); |
| } |
| }); |
| mWebViewClient.waitForOnPageFinished(); |
| } catch (Throwable e) { |
| throw new RuntimeException("Failed to set up WebView: " + Log.getStackTraceString(e)); |
| } |
| } |
| |
| protected void executeJavaScript(final String script) throws Throwable { |
| runTestOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| // When a JavaScript URL is executed, if the value of the last |
| // expression evaluated is not 'undefined', this value is |
| // converted to a string and used as the new document for the |
| // frame. We don't want this behaviour, so wrap the script in |
| // an anonymous function. |
| getWebView().loadUrl("javascript:(function() { " + script + " })()"); |
| } |
| }); |
| } |
| |
| protected WebView getWebView() { |
| return getActivity().getWebView(); |
| } |
| } |
