| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.content.browser; |
| |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import org.chromium.base.test.util.Feature; |
| import org.chromium.base.test.util.UrlUtils; |
| import org.chromium.content.browser.test.util.TestCallbackHelperContainer; |
| import org.chromium.content.browser.test.util.TestCallbackHelperContainer.OnEvaluateJavaScriptResultHelper; |
| import org.chromium.content.browser.test.util.TestCallbackHelperContainer.OnPageFinishedHelper; |
| import org.chromium.content_shell_apk.ContentShellTestBase; |
| |
| /** |
| * Common functionality for testing the Java Bridge. |
| */ |
| public class JavaBridgeBareboneTest extends ContentShellTestBase { |
| private TestCallbackHelperContainer mTestCallbackHelperContainer; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| launchContentShellWithUrl( |
| UrlUtils.encodeHtmlDataUri("<html><head></head><body>test</body></html>")); |
| waitForActiveShellToBeDoneLoading(); |
| mTestCallbackHelperContainer = new TestCallbackHelperContainer(getContentViewCore()); |
| } |
| |
| private void injectDummyObject(final String name) throws Throwable { |
| runTestOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| getContentViewCore().addPossiblyUnsafeJavascriptInterface( |
| new Object(), name, null); |
| } |
| }); |
| } |
| |
| private String evaluateJsSync(String jsCode) throws Exception { |
| OnEvaluateJavaScriptResultHelper javascriptHelper = new OnEvaluateJavaScriptResultHelper(); |
| javascriptHelper.evaluateJavaScriptForTests(getWebContents(), jsCode); |
| javascriptHelper.waitUntilHasValue(); |
| return javascriptHelper.getJsonResultAndClear(); |
| } |
| |
| private void reloadSync() throws Throwable { |
| OnPageFinishedHelper pageFinishedHelper = |
| mTestCallbackHelperContainer.getOnPageFinishedHelper(); |
| int currentCallCount = pageFinishedHelper.getCallCount(); |
| runTestOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| getWebContents().getNavigationController().reload(true); |
| } |
| }); |
| pageFinishedHelper.waitForCallback(currentCallCount); |
| } |
| |
| // If inection happens before evaluating any JS code, then the first evaluation |
| // triggers the same condition as page reload, which causes Java Bridge to add |
| // a JS wrapper. |
| // This contradicts the statement of our documentation that injected objects are |
| // only available after the next page (re)load, but it is too late to fix that, |
| // as existing apps may implicitly rely on this behaviour, something like: |
| // |
| // webView.loadUrl(...); |
| // webView.addJavascriptInterface(new Foo(), "foo"); |
| // webView.loadUrl("javascript:foo.bar();void(0);"); |
| // |
| @SmallTest |
| @Feature({"AndroidWebView", "Android-JavaBridge"}) |
| public void testImmediateAddition() throws Throwable { |
| injectDummyObject("testObject"); |
| assertEquals("\"object\"", evaluateJsSync("typeof testObject")); |
| } |
| |
| // Now here, we evaluate some JS before injecting the object, and this behaves as |
| // expected. |
| @SmallTest |
| @Feature({"AndroidWebView", "Android-JavaBridge"}) |
| public void testNoImmediateAdditionAfterJSEvaluation() throws Throwable { |
| evaluateJsSync("true"); |
| injectDummyObject("testObject"); |
| assertEquals("\"undefined\"", evaluateJsSync("typeof testObject")); |
| } |
| |
| @SmallTest |
| @Feature({"AndroidWebView", "Android-JavaBridge"}) |
| public void testImmediateAdditionAfterReload() throws Throwable { |
| reloadSync(); |
| injectDummyObject("testObject"); |
| assertEquals("\"object\"", evaluateJsSync("typeof testObject")); |
| } |
| |
| @SmallTest |
| @Feature({"AndroidWebView", "Android-JavaBridge"}) |
| public void testReloadAfterAddition() throws Throwable { |
| injectDummyObject("testObject"); |
| reloadSync(); |
| assertEquals("\"object\"", evaluateJsSync("typeof testObject")); |
| } |
| } |
