[Media Controls] Instrumentation test for video rotate-to-fullscreen

content/public/android/javatests/src/org/chromium/content/browser/VideoRotateToFullscreenTest.java

Index: content/public/android/javatests/src/org/chromium/content/browser/VideoRotateToFullscreenTest.java
diff --git a/content/public/android/javatests/src/org/chromium/content/browser/VideoRotateToFullscreenTest.java b/content/public/android/javatests/src/org/chromium/content/browser/VideoRotateToFullscreenTest.java
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index 0000000000000000000000000000000000000000..23b0ce209686289acc870b3607e4a70d73b18f15
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+++ b/content/public/android/javatests/src/org/chromium/content/browser/VideoRotateToFullscreenTest.java
@@ -0,0 +1,123 @@
+// Copyright 2017 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.content.pm.ActivityInfo;
+import android.support.test.filters.MediumTest;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.ThreadUtils;
+import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.Feature;
+import org.chromium.content.browser.test.ContentJUnit4ClassRunner;
+import org.chromium.content.browser.test.util.Criteria;
+import org.chromium.content.browser.test.util.CriteriaHelper;
+import org.chromium.content.browser.test.util.DOMUtils;
+import org.chromium.content.browser.test.util.JavaScriptUtils;
+import org.chromium.content_shell_apk.ContentShellActivityTestRule;
+import org.chromium.media.MediaSwitches;
+import org.chromium.ui.base.DeviceFormFactor;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * Integration tests for the feature that automatically enters and exits fullscreen when the device
+ * is rotated whilst watching a video.
+ */
+@RunWith(ContentJUnit4ClassRunner.class)
+@CommandLineFlags.Add({"enable-features=VideoRotateToFullscreen",
+        MediaSwitches.IGNORE_AUTOPLAY_RESTRICTIONS_FOR_TESTS})
+public class VideoRotateToFullscreenTest {
+    @Rule
+    public ContentShellActivityTestRule mRule = new ContentShellActivityTestRule();
+
+    private static final String TEST_URL = "content/test/data/media/video-player.html";
+    private static final String VIDEO_ID = "video";
+
+    private void waitForContentsFullscreenState(boolean fullscreenValue) {
+        CriteriaHelper.pollInstrumentationThread(
+                Criteria.equals(fullscreenValue, new Callable<Boolean>() {
+                    @Override
+                    public Boolean call() throws InterruptedException, TimeoutException {
+                        return DOMUtils.isFullscreen(mRule.getWebContents());
+                    }
+                }));
+    }
+
+    private void waitForScreenOrientation(String orientationValue) {
+        CriteriaHelper.pollInstrumentationThread(
+                Criteria.equals(orientationValue, new Callable<String>() {
+                    @Override
+                    public String call() throws InterruptedException, TimeoutException {
+                        return screenOrientation();
+                    }
+                }));
+    }
+
+    private String screenOrientation() throws InterruptedException, TimeoutException {
+        // Returns "\"portrait\"" or "\"landscape\"" (strips the "-primary" or "-secondary" suffix).
+        return JavaScriptUtils.executeJavaScriptAndWaitForResult(
+                mRule.getWebContents(), "screen.orientation.type.split('-')[0]");
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        mRule.launchContentShellWithUrlSync(TEST_URL);
+
+        JavaScriptUtils.executeJavaScriptAndWaitForResult(mRule.getWebContents(),
+                "document.getElementById('video').src = 'bear-320x240.webm';");
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                mRule.getActivity().setRequestedOrientation(
+                        ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
+            }
+        });
+    }
+
+    @Test
+    @MediumTest
+    @Feature({"VideoRotateToFullscreen"})
+    public void testPortraitToLandscapeAndBack() throws Exception {
+        // TODO(johnme): Use RESTRICTION_TYPE_PHONE once crbug.com/673917 moves it out of chrome/.
+        if (DeviceFormFactor.isTablet(mRule.getActivity())) {
+            return;
+        }
+
+        // Start off in portrait screen orientation.
+        mRule.getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+        waitForScreenOrientation("\"portrait\"");
+
+        // Start playback.
+        Assert.assertTrue(DOMUtils.isMediaPaused(mRule.getWebContents(), VIDEO_ID));
+        DOMUtils.playMedia(mRule.getWebContents(), VIDEO_ID);
+        DOMUtils.waitForMediaPlay(mRule.getWebContents(), VIDEO_ID);
+
+        // Rotate screen from portrait to landscape.
+        mRule.getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+        waitForScreenOrientation("\"landscape\"");
+
+        // Should enter fullscreen.
+        waitForContentsFullscreenState(true);
+
+        // Rotate screen from landscape to portrait(?).
+        mRule.getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+        waitForScreenOrientation("\"portrait\"");
+
+        // Should exit fullscreen.
+        waitForContentsFullscreenState(false);
+    }
+}