123 lines
4.3 KiB
Java
123 lines
4.3 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Common functionality for testing the WebView's Java Bridge.
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*/
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package com.android.webviewtests;
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import android.test.ActivityInstrumentationTestCase2;
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import android.util.Log;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import junit.framework.Assert;
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public class JavaBridgeTestBase extends ActivityInstrumentationTestCase2<WebViewStubActivity> {
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protected class TestWebViewClient extends WebViewClient {
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private boolean mIsPageFinished;
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@Override
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public synchronized void onPageFinished(WebView webView, String url) {
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mIsPageFinished = true;
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notify();
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}
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public synchronized void waitForOnPageFinished() throws RuntimeException {
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while (!mIsPageFinished) {
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try {
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wait(5000);
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} catch (Exception e) {
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continue;
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}
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if (!mIsPageFinished) {
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throw new RuntimeException("Timed out waiting for onPageFinished()");
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}
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}
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mIsPageFinished = false;
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}
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}
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protected class Controller {
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private boolean mIsResultReady;
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protected synchronized void notifyResultIsReady() {
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mIsResultReady = true;
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notify();
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}
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protected synchronized void waitForResult() {
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while (!mIsResultReady) {
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try {
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wait(5000);
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} catch (Exception e) {
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continue;
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}
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if (!mIsResultReady) {
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Assert.fail("Wait timed out");
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}
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}
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mIsResultReady = false;
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}
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}
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protected TestWebViewClient mWebViewClient;
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public JavaBridgeTestBase() {
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super(WebViewStubActivity.class);
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}
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// Sets up the WebView and injects the supplied object. Intended to be called from setUp().
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protected void setUpWebView(final Object object, final String name) throws Exception {
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mWebViewClient = new TestWebViewClient();
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// This starts the activity, so must be called on the test thread.
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final WebViewStubActivity activity = getActivity();
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// On the UI thread, load an empty page and wait for it to finish
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// loading so that the Java object is injected.
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try {
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runTestOnUiThread(new Runnable() {
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@Override
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public void run() {
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WebView webView = activity.getWebView();
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webView.addJavascriptInterface(object, name);
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webView.getSettings().setJavaScriptEnabled(true);
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webView.setWebViewClient(mWebViewClient);
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webView.loadData("<!DOCTYPE html><title></title>", "text/html", null);
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}
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});
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mWebViewClient.waitForOnPageFinished();
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} catch (Throwable e) {
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throw new RuntimeException("Failed to set up WebView: " + Log.getStackTraceString(e));
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}
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}
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protected void executeJavaScript(final String script) throws Throwable {
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runTestOnUiThread(new Runnable() {
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@Override
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public void run() {
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// When a JavaScript URL is executed, if the value of the last
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// expression evaluated is not 'undefined', this value is
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// converted to a string and used as the new document for the
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// frame. We don't want this behaviour, so wrap the script in
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// an anonymous function.
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getWebView().loadUrl("javascript:(function() { " + script + " })()");
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}
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});
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}
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protected WebView getWebView() {
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return getActivity().getWebView();
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}
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}
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