android_webview/javatests/src/org/chromium/android_webview/test/AwContentsRenderTest.java - chromium/src - Git at Google

 // Copyright 2013 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.android_webview.test;

 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
 import android.view.View;

 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;

 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.AwContents.VisualStateCallback;
 import org.chromium.android_webview.test.util.GraphicsTestUtils;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.Feature;
 import org.chromium.content_public.common.ContentUrlConstants;

 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;

 /**
  * AwContents rendering / pixel tests.
  */
 @RunWith(AwJUnit4ClassRunner.class)
 public class AwContentsRenderTest {
     @Rule
     public AwActivityTestRule mActivityTestRule = new AwActivityTestRule();

     private TestAwContentsClient mContentsClient;
     private AwContents mAwContents;
     private AwTestContainerView mContainerView;

     @Before
     public void setUp() throws Exception {
         mContentsClient = new TestAwContentsClient();
         mContainerView = mActivityTestRule.createAwTestContainerViewOnMainSync(mContentsClient);
         mAwContents = mContainerView.getAwContents();
     }

     void setBackgroundColorOnUiThread(final int c) {
         ThreadUtils.runOnUiThreadBlocking(() -> mAwContents.setBackgroundColor(c));
     }

     @Test
     @SmallTest
     @Feature({"AndroidWebView"})
     public void testSetGetBackgroundColor() throws Throwable {
         setBackgroundColorOnUiThread(Color.MAGENTA);
         GraphicsTestUtils.pollForBackgroundColor(mAwContents, Color.MAGENTA);

         setBackgroundColorOnUiThread(Color.CYAN);
         GraphicsTestUtils.pollForBackgroundColor(mAwContents, Color.CYAN);

         mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
                 ContentUrlConstants.ABOUT_BLANK_DISPLAY_URL);
         Assert.assertEquals(
                 Color.CYAN, GraphicsTestUtils.sampleBackgroundColorOnUiThread(mAwContents));

         setBackgroundColorOnUiThread(Color.YELLOW);
         GraphicsTestUtils.pollForBackgroundColor(mAwContents, Color.YELLOW);

         mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
                 "data:text/html,<html><head><style>body {background-color:%23227788}</style></head>"
                         + "<body></body></html>");
         final int teal = 0xFF227788;
         GraphicsTestUtils.pollForBackgroundColor(mAwContents, teal);

         // Changing the base background should not override CSS background.
         setBackgroundColorOnUiThread(Color.MAGENTA);
         Assert.assertEquals(teal, GraphicsTestUtils.sampleBackgroundColorOnUiThread(mAwContents));
         // ...setting the background is asynchronous, so pause a bit and retest just to be sure.
         Thread.sleep(500);
         Assert.assertEquals(teal, GraphicsTestUtils.sampleBackgroundColorOnUiThread(mAwContents));
     }

     @Test
     @SmallTest
     @Feature({"AndroidWebView"})
     public void testPictureListener() throws Throwable {
         ThreadUtils.runOnUiThreadBlocking(() -> mAwContents.enableOnNewPicture(true, true));

         int pictureCount = mContentsClient.getPictureListenerHelper().getCallCount();
         mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
                 ContentUrlConstants.ABOUT_BLANK_DISPLAY_URL);
         mContentsClient.getPictureListenerHelper().waitForCallback(pictureCount, 1);
         // Invalidation only, so picture should be null.
         Assert.assertNull(mContentsClient.getPictureListenerHelper().getPicture());
     }

     @Test
     @SmallTest
     @Feature({"AndroidWebView"})
     public void testForceDrawWhenInvisible() throws Throwable {
         mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
                 "data:text/html,<html><head><style>body {background-color:%23227788}</style></head>"
                         + "<body>Hello world!</body></html>");

         Bitmap visibleBitmap = null;
         Bitmap invisibleBitmap = null;
         final CountDownLatch latch = new CountDownLatch(1);
         InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> {
             final long requestId1 = 1;
             mAwContents.insertVisualStateCallback(requestId1, new VisualStateCallback() {
                 @Override
                 public void onComplete(long id) {
                     Assert.assertEquals(requestId1, id);
                     latch.countDown();
                 }
             });
         });
         Assert.assertTrue(latch.await(AwActivityTestRule.WAIT_TIMEOUT_MS, TimeUnit.MILLISECONDS));

         final int width = ThreadUtils.runOnUiThreadBlockingNoException(
                 () -> mContainerView.getWidth());
         final int height = ThreadUtils.runOnUiThreadBlockingNoException(
                 () -> mContainerView.getHeight());
         visibleBitmap = GraphicsTestUtils.drawAwContentsOnUiThread(mAwContents, width, height);

         // Things that affect DOM page visibility:
         // 1. isPaused
         // 2. window's visibility, if the webview is attached to a window.
         // Note android.view.View's visibility does not affect DOM page visibility.
         InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> {
             mContainerView.setVisibility(View.INVISIBLE);
             Assert.assertTrue(mAwContents.isPageVisible());

             mAwContents.onPause();
             Assert.assertFalse(mAwContents.isPageVisible());

             mAwContents.onResume();
             Assert.assertTrue(mAwContents.isPageVisible());

             // Simulate a window visiblity change. WebView test app can't
             // manipulate the window visibility directly.
             mAwContents.onWindowVisibilityChanged(View.INVISIBLE);
             Assert.assertFalse(mAwContents.isPageVisible());
         });

         // VisualStateCallback#onComplete won't be called when WebView is
         // invisible. So there is no reliable way to tell if View#setVisibility
         // has taken effect. Just sleep the test thread for 500ms.
         Thread.sleep(500);
         invisibleBitmap = GraphicsTestUtils.drawAwContentsOnUiThread(mAwContents, width, height);
         Assert.assertNotNull(invisibleBitmap);
         Assert.assertTrue(invisibleBitmap.sameAs(visibleBitmap));
     }
 }
	// Copyright 2013 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.android_webview.test;

	import android.graphics.Bitmap;
	import android.graphics.Color;
	import android.support.test.InstrumentationRegistry;
	import android.support.test.filters.SmallTest;
	import android.view.View;

	import org.junit.Assert;
	import org.junit.Before;
	import org.junit.Rule;
	import org.junit.Test;
	import org.junit.runner.RunWith;

	import org.chromium.android_webview.AwContents;
	import org.chromium.android_webview.AwContents.VisualStateCallback;
	import org.chromium.android_webview.test.util.GraphicsTestUtils;
	import org.chromium.base.ThreadUtils;
	import org.chromium.base.test.util.Feature;
	import org.chromium.content_public.common.ContentUrlConstants;

	import java.util.concurrent.CountDownLatch;
	import java.util.concurrent.TimeUnit;

	/**
	* AwContents rendering / pixel tests.
	*/
	@RunWith(AwJUnit4ClassRunner.class)
	public class AwContentsRenderTest {
	@Rule
	public AwActivityTestRule mActivityTestRule = new AwActivityTestRule();

	private TestAwContentsClient mContentsClient;
	private AwContents mAwContents;
	private AwTestContainerView mContainerView;

	@Before
	public void setUp() throws Exception {
	mContentsClient = new TestAwContentsClient();
	mContainerView = mActivityTestRule.createAwTestContainerViewOnMainSync(mContentsClient);
	mAwContents = mContainerView.getAwContents();
	}

	void setBackgroundColorOnUiThread(final int c) {
	ThreadUtils.runOnUiThreadBlocking(() -> mAwContents.setBackgroundColor(c));
	}

	@Test
	@SmallTest
	@Feature({"AndroidWebView"})
	public void testSetGetBackgroundColor() throws Throwable {
	setBackgroundColorOnUiThread(Color.MAGENTA);
	GraphicsTestUtils.pollForBackgroundColor(mAwContents, Color.MAGENTA);

	setBackgroundColorOnUiThread(Color.CYAN);
	GraphicsTestUtils.pollForBackgroundColor(mAwContents, Color.CYAN);

	mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
	ContentUrlConstants.ABOUT_BLANK_DISPLAY_URL);
	Assert.assertEquals(
	Color.CYAN, GraphicsTestUtils.sampleBackgroundColorOnUiThread(mAwContents));

	setBackgroundColorOnUiThread(Color.YELLOW);
	GraphicsTestUtils.pollForBackgroundColor(mAwContents, Color.YELLOW);

	mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
	"data:text/html,<html><head><style>body {background-color:%23227788}</style></head>"
	+ "<body></body></html>");
	final int teal = 0xFF227788;
	GraphicsTestUtils.pollForBackgroundColor(mAwContents, teal);

	// Changing the base background should not override CSS background.
	setBackgroundColorOnUiThread(Color.MAGENTA);
	Assert.assertEquals(teal, GraphicsTestUtils.sampleBackgroundColorOnUiThread(mAwContents));
	// ...setting the background is asynchronous, so pause a bit and retest just to be sure.
	Thread.sleep(500);
	Assert.assertEquals(teal, GraphicsTestUtils.sampleBackgroundColorOnUiThread(mAwContents));
	}

	@Test
	@SmallTest
	@Feature({"AndroidWebView"})
	public void testPictureListener() throws Throwable {
	ThreadUtils.runOnUiThreadBlocking(() -> mAwContents.enableOnNewPicture(true, true));

	int pictureCount = mContentsClient.getPictureListenerHelper().getCallCount();
	mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
	ContentUrlConstants.ABOUT_BLANK_DISPLAY_URL);
	mContentsClient.getPictureListenerHelper().waitForCallback(pictureCount, 1);
	// Invalidation only, so picture should be null.
	Assert.assertNull(mContentsClient.getPictureListenerHelper().getPicture());
	}

	@Test
	@SmallTest
	@Feature({"AndroidWebView"})
	public void testForceDrawWhenInvisible() throws Throwable {
	mActivityTestRule.loadUrlSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
	"data:text/html,<html><head><style>body {background-color:%23227788}</style></head>"
	+ "<body>Hello world!</body></html>");

	Bitmap visibleBitmap = null;
	Bitmap invisibleBitmap = null;
	final CountDownLatch latch = new CountDownLatch(1);
	InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> {
	final long requestId1 = 1;
	mAwContents.insertVisualStateCallback(requestId1, new VisualStateCallback() {
	@Override
	public void onComplete(long id) {
	Assert.assertEquals(requestId1, id);
	latch.countDown();
	}
	});
	});
	Assert.assertTrue(latch.await(AwActivityTestRule.WAIT_TIMEOUT_MS, TimeUnit.MILLISECONDS));

	final int width = ThreadUtils.runOnUiThreadBlockingNoException(
	() -> mContainerView.getWidth());
	final int height = ThreadUtils.runOnUiThreadBlockingNoException(
	() -> mContainerView.getHeight());
	visibleBitmap = GraphicsTestUtils.drawAwContentsOnUiThread(mAwContents, width, height);

	// Things that affect DOM page visibility:
	// 1. isPaused
	// 2. window's visibility, if the webview is attached to a window.
	// Note android.view.View's visibility does not affect DOM page visibility.
	InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> {
	mContainerView.setVisibility(View.INVISIBLE);
	Assert.assertTrue(mAwContents.isPageVisible());

	mAwContents.onPause();
	Assert.assertFalse(mAwContents.isPageVisible());

	mAwContents.onResume();
	Assert.assertTrue(mAwContents.isPageVisible());

	// Simulate a window visiblity change. WebView test app can't
	// manipulate the window visibility directly.
	mAwContents.onWindowVisibilityChanged(View.INVISIBLE);
	Assert.assertFalse(mAwContents.isPageVisible());
	});

	// VisualStateCallback#onComplete won't be called when WebView is
	// invisible. So there is no reliable way to tell if View#setVisibility
	// has taken effect. Just sleep the test thread for 500ms.
	Thread.sleep(500);
	invisibleBitmap = GraphicsTestUtils.drawAwContentsOnUiThread(mAwContents, width, height);
	Assert.assertNotNull(invisibleBitmap);
	Assert.assertTrue(invisibleBitmap.sameAs(visibleBitmap));
	}
	}