chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java - chromium/src - Git at Google

 // 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.chrome.browser;

 import android.app.Activity;
 import android.support.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.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.browser.flags.ChromeSwitches;
 import org.chromium.chrome.browser.tab.EmptyTabObserver;
 import org.chromium.chrome.browser.tab.SadTab;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tab.TabObserver;
 import org.chromium.chrome.browser.tab.TabSelectionType;
 import org.chromium.chrome.test.ChromeActivityTestRule;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.chrome.test.util.ApplicationTestUtils;
 import org.chromium.chrome.test.util.ChromeTabUtils;
 import org.chromium.content_public.browser.test.util.CriteriaHelper;
 import org.chromium.content_public.browser.test.util.TestThreadUtils;

 /**
  * Tests for Tab class.
  */
 @RunWith(ChromeJUnit4ClassRunner.class)
 @CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
 public class TabTest {
     @Rule
     public ChromeActivityTestRule<ChromeActivity> mActivityTestRule =
             new ChromeActivityTestRule<>(ChromeActivity.class);

     private Tab mTab;
     private CallbackHelper mOnTitleUpdatedHelper;

     private final TabObserver mTabObserver = new EmptyTabObserver() {
         @Override
         public void onTitleUpdated(Tab tab) {
             mOnTitleUpdatedHelper.notifyCalled();
         }
     };

     private boolean isShowingSadTab() throws Exception {
         return TestThreadUtils.runOnUiThreadBlocking(() -> SadTab.isShowing(mTab));
     }

     @Before
     public void setUp() throws Exception {
         mActivityTestRule.startMainActivityOnBlankPage();
         mTab = mActivityTestRule.getActivity().getActivityTab();
         mTab.addObserver(mTabObserver);
         mOnTitleUpdatedHelper = new CallbackHelper();
     }

     @Test
     @SmallTest
     @Feature({"Tab"})
     public void testTabContext() {
         Assert.assertFalse("The tab context cannot be an activity",
                 mTab.getContentView().getContext() instanceof Activity);
         Assert.assertNotSame("The tab context's theme should have been updated",
                 mTab.getContentView().getContext().getTheme(),
                 mActivityTestRule.getActivity().getApplication().getTheme());
     }

     @Test
     @SmallTest
     @Feature({"Tab"})
     public void testTitleDelayUpdate() throws Throwable {
         final String oldTitle = "oldTitle";
         final String newTitle = "newTitle";

         mActivityTestRule.loadUrl("data:text/html;charset=utf-8,<html><head><title>" + oldTitle
                 + "</title></head><body/></html>");
         Assert.assertEquals("title does not match initial title", oldTitle, mTab.getTitle());
         int currentCallCount = mOnTitleUpdatedHelper.getCallCount();
         mActivityTestRule.runJavaScriptCodeInCurrentTab("document.title='" + newTitle + "';");
         mOnTitleUpdatedHelper.waitForCallback(currentCallCount);
         Assert.assertEquals("title does not update", newTitle, mTab.getTitle());
     }

     /**
      * Verifies a Tab's contents is restored when the Tab is foregrounded
      * after its contents have been destroyed while backgrounded.
      * Note that document mode is explicitly disabled, as the document activity
      * may be fully recreated if its contents is killed while in the background.
      */
     @Test
     @SmallTest
     @Feature({"Tab"})
     @DisabledTest(message = "https://crbug.com/1090378")
     public void testTabRestoredIfKilledWhileActivityStopped() throws Exception {
         // Ensure the tab is showing before stopping the activity.
         TestThreadUtils.runOnUiThreadBlocking(() -> mTab.show(TabSelectionType.FROM_NEW));

         Assert.assertFalse(mTab.needsReload());
         Assert.assertFalse(mTab.isHidden());
         Assert.assertFalse(isShowingSadTab());

         // Stop the activity and simulate a killed renderer.
         ApplicationTestUtils.fireHomeScreenIntent(InstrumentationRegistry.getTargetContext());
         TestThreadUtils.runOnUiThreadBlocking(
                 () -> ChromeTabUtils.simulateRendererKilledForTesting(mTab, false));

         CriteriaHelper.pollUiThread(mTab::isHidden);
         Assert.assertTrue(mTab.needsReload());
         Assert.assertFalse(isShowingSadTab());

         ApplicationTestUtils.launchChrome(InstrumentationRegistry.getTargetContext());

         // The tab should be restored and visible.
         CriteriaHelper.pollUiThread(() -> !mTab.isHidden());
         Assert.assertFalse(mTab.needsReload());
         Assert.assertFalse(isShowingSadTab());
     }
 }
	// 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.chrome.browser;

	import android.app.Activity;
	import android.support.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.chromium.base.test.util.CallbackHelper;
	import org.chromium.base.test.util.CommandLineFlags;
	import org.chromium.base.test.util.DisabledTest;
	import org.chromium.base.test.util.Feature;
	import org.chromium.chrome.browser.flags.ChromeSwitches;
	import org.chromium.chrome.browser.tab.EmptyTabObserver;
	import org.chromium.chrome.browser.tab.SadTab;
	import org.chromium.chrome.browser.tab.Tab;
	import org.chromium.chrome.browser.tab.TabObserver;
	import org.chromium.chrome.browser.tab.TabSelectionType;
	import org.chromium.chrome.test.ChromeActivityTestRule;
	import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
	import org.chromium.chrome.test.util.ApplicationTestUtils;
	import org.chromium.chrome.test.util.ChromeTabUtils;
	import org.chromium.content_public.browser.test.util.CriteriaHelper;
	import org.chromium.content_public.browser.test.util.TestThreadUtils;

	/**
	* Tests for Tab class.
	*/
	@RunWith(ChromeJUnit4ClassRunner.class)
	@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
	public class TabTest {
	@Rule
	public ChromeActivityTestRule<ChromeActivity> mActivityTestRule =
	new ChromeActivityTestRule<>(ChromeActivity.class);

	private Tab mTab;
	private CallbackHelper mOnTitleUpdatedHelper;

	private final TabObserver mTabObserver = new EmptyTabObserver() {
	@Override
	public void onTitleUpdated(Tab tab) {
	mOnTitleUpdatedHelper.notifyCalled();
	}
	};

	private boolean isShowingSadTab() throws Exception {
	return TestThreadUtils.runOnUiThreadBlocking(() -> SadTab.isShowing(mTab));
	}

	@Before
	public void setUp() throws Exception {
	mActivityTestRule.startMainActivityOnBlankPage();
	mTab = mActivityTestRule.getActivity().getActivityTab();
	mTab.addObserver(mTabObserver);
	mOnTitleUpdatedHelper = new CallbackHelper();
	}

	@Test
	@SmallTest
	@Feature({"Tab"})
	public void testTabContext() {
	Assert.assertFalse("The tab context cannot be an activity",
	mTab.getContentView().getContext() instanceof Activity);
	Assert.assertNotSame("The tab context's theme should have been updated",
	mTab.getContentView().getContext().getTheme(),
	mActivityTestRule.getActivity().getApplication().getTheme());
	}

	@Test
	@SmallTest
	@Feature({"Tab"})
	public void testTitleDelayUpdate() throws Throwable {
	final String oldTitle = "oldTitle";
	final String newTitle = "newTitle";

	mActivityTestRule.loadUrl("data:text/html;charset=utf-8,<html><head><title>" + oldTitle
	+ "</title></head><body/></html>");
	Assert.assertEquals("title does not match initial title", oldTitle, mTab.getTitle());
	int currentCallCount = mOnTitleUpdatedHelper.getCallCount();
	mActivityTestRule.runJavaScriptCodeInCurrentTab("document.title='" + newTitle + "';");
	mOnTitleUpdatedHelper.waitForCallback(currentCallCount);
	Assert.assertEquals("title does not update", newTitle, mTab.getTitle());
	}

	/**
	* Verifies a Tab's contents is restored when the Tab is foregrounded
	* after its contents have been destroyed while backgrounded.
	* Note that document mode is explicitly disabled, as the document activity
	* may be fully recreated if its contents is killed while in the background.
	*/
	@Test
	@SmallTest
	@Feature({"Tab"})
	@DisabledTest(message = "https://crbug.com/1090378")
	public void testTabRestoredIfKilledWhileActivityStopped() throws Exception {
	// Ensure the tab is showing before stopping the activity.
	TestThreadUtils.runOnUiThreadBlocking(() -> mTab.show(TabSelectionType.FROM_NEW));

	Assert.assertFalse(mTab.needsReload());
	Assert.assertFalse(mTab.isHidden());
	Assert.assertFalse(isShowingSadTab());

	// Stop the activity and simulate a killed renderer.
	ApplicationTestUtils.fireHomeScreenIntent(InstrumentationRegistry.getTargetContext());
	TestThreadUtils.runOnUiThreadBlocking(
	() -> ChromeTabUtils.simulateRendererKilledForTesting(mTab, false));

	CriteriaHelper.pollUiThread(mTab::isHidden);
	Assert.assertTrue(mTab.needsReload());
	Assert.assertFalse(isShowingSadTab());

	ApplicationTestUtils.launchChrome(InstrumentationRegistry.getTargetContext());

	// The tab should be restored and visible.
	CriteriaHelper.pollUiThread(() -> !mTab.isHidden());
	Assert.assertFalse(mTab.needsReload());
	Assert.assertFalse(isShowingSadTab());
	}
	}