// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.android_webview.test;
import android.webkit.JavascriptInterface;
import androidx.test.InstrumentationRegistry;
import androidx.test.filters.SmallTest;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.UseParametersRunnerFactory;
import org.chromium.android_webview.AwContents;
import org.chromium.base.ThreadUtils;
import org.chromium.base.test.util.Feature;
/** Test suite for the WebView specific JavaBridge features. */
@RunWith(Parameterized.class)
@UseParametersRunnerFactory(AwJUnit4ClassRunnerWithParameters.Factory.class)
public class AwJavaBridgeTest extends AwParameterizedTest {
@Rule public AwActivityTestRule mActivityTestRule;
private TestAwContentsClient mContentsClient = new TestAwContentsClient();
private AwTestContainerView mTestContainerView;
// The system retains a strong ref to the last focused view (in InputMethodManager)
// so allow for 1 'leaked' instance.
private static final int MAX_IDLE_INSTANCES = 1;
public AwJavaBridgeTest(AwSettingsMutation param) {
this.mActivityTestRule = new AwActivityTestRule(param.getMutation());
}
@Before
public void setUp() {
mTestContainerView = mActivityTestRule.createAwTestContainerViewOnMainSync(mContentsClient);
}
@Test
@SmallTest
@Feature({"AndroidWebView", "Android-JavaBridge"})
public void testDestroyFromJavaObject() throws Throwable {
final String html = "<html>Hello World</html>";
final TestAwContentsClient client2 = new TestAwContentsClient();
final AwTestContainerView view2 =
mActivityTestRule.createAwTestContainerViewOnMainSync(client2);
final AwContents awContents = mTestContainerView.getAwContents();
class Test {
@JavascriptInterface
public void destroy() {
try {
InstrumentationRegistry.getInstrumentation()
.runOnMainSync(() -> awContents.destroy());
// Destroying one AwContents from within the JS callback should still
// leave others functioning. Note that we must do this asynchronously,
// as Blink thread is currently blocked waiting for this method to finish.
mActivityTestRule.loadDataAsync(
view2.getAwContents(), html, "text/html", false);
} catch (Throwable t) {
throw new RuntimeException(t);
}
}
}
AwActivityTestRule.enableJavaScriptOnUiThread(awContents);
AwActivityTestRule.addJavascriptInterfaceOnUiThread(awContents, new Test(), "test");
mActivityTestRule.loadDataSync(
awContents, mContentsClient.getOnPageFinishedHelper(), html, "text/html", false);
// Ensure the JS interface object is there, and invoke the test method.
Assert.assertEquals(
"\"function\"",
mActivityTestRule.executeJavaScriptAndWaitForResult(
awContents, mContentsClient, "typeof test.destroy"));
int currentCallCount = client2.getOnPageFinishedHelper().getCallCount();
ThreadUtils.runOnUiThreadBlocking(
() -> awContents.evaluateJavaScriptForTests("test.destroy()", null));
client2.getOnPageFinishedHelper().waitForCallback(currentCallCount);
}
@Test
@SmallTest
@Feature({"AndroidWebView", "Android-JavaBridge"})
public void testTwoWebViewsCreatedSimultaneously() throws Throwable {
final AwContents awContents1 = mTestContainerView.getAwContents();
final TestAwContentsClient client2 = new TestAwContentsClient();
final AwTestContainerView view2 =
mActivityTestRule.createAwTestContainerViewOnMainSync(client2);
final AwContents awContents2 = view2.getAwContents();
AwActivityTestRule.enableJavaScriptOnUiThread(awContents1);
AwActivityTestRule.enableJavaScriptOnUiThread(awContents2);
class Test {
Test(int value) {
mValue = value;
}
@JavascriptInterface
public int getValue() {
return mValue;
}
private int mValue;
}
AwActivityTestRule.addJavascriptInterfaceOnUiThread(awContents1, new Test(1), "test");
AwActivityTestRule.addJavascriptInterfaceOnUiThread(awContents2, new Test(2), "test");
final String html = "<html>Hello World</html>";
mActivityTestRule.loadDataSync(
awContents1, mContentsClient.getOnPageFinishedHelper(), html, "text/html", false);
mActivityTestRule.loadDataSync(
awContents2, client2.getOnPageFinishedHelper(), html, "text/html", false);
Assert.assertEquals(
"1",
mActivityTestRule.executeJavaScriptAndWaitForResult(
awContents1, mContentsClient, "test.getValue()"));
Assert.assertEquals(
"2",
mActivityTestRule.executeJavaScriptAndWaitForResult(
awContents2, client2, "test.getValue()"));
}
@Test
@SmallTest
@Feature({"AndroidWebView", "Android-JavaBridge"})
public void testTwoWebViewsSecondCreatedAfterLoadingInFirst() throws Throwable {
final AwContents awContents1 = mTestContainerView.getAwContents();
AwActivityTestRule.enableJavaScriptOnUiThread(awContents1);
class Test {
Test(int value) {
mValue = value;
}
@JavascriptInterface
public int getValue() {
return mValue;
}
private int mValue;
}
AwActivityTestRule.addJavascriptInterfaceOnUiThread(awContents1, new Test(1), "test");
final String html = "<html>Hello World</html>";
mActivityTestRule.loadDataSync(
awContents1, mContentsClient.getOnPageFinishedHelper(), html, "text/html", false);
Assert.assertEquals(
"1",
mActivityTestRule.executeJavaScriptAndWaitForResult(
awContents1, mContentsClient, "test.getValue()"));
final TestAwContentsClient client2 = new TestAwContentsClient();
final AwTestContainerView view2 =
mActivityTestRule.createAwTestContainerViewOnMainSync(client2);
final AwContents awContents2 = view2.getAwContents();
AwActivityTestRule.enableJavaScriptOnUiThread(awContents2);
AwActivityTestRule.addJavascriptInterfaceOnUiThread(awContents2, new Test(2), "test");
mActivityTestRule.loadDataSync(
awContents2, client2.getOnPageFinishedHelper(), html, "text/html", false);
Assert.assertEquals(
"1",
mActivityTestRule.executeJavaScriptAndWaitForResult(
awContents1, mContentsClient, "test.getValue()"));
Assert.assertEquals(
"2",
mActivityTestRule.executeJavaScriptAndWaitForResult(
awContents2, client2, "test.getValue()"));
}
}
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