Restored tabs should set their initial visibility

chrome/browser/ui/browser_tab_restore_uitest.cc

+// Copyright (c) 2014 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.
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/sessions/tab_restore_service.h"
+#include "chrome/browser/sessions/tab_restore_service_delegate.h"
+#include "chrome/browser/sessions/tab_restore_service_factory.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_commands.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/interactive_test_utils.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/browser_test_utils.h"
+
+typedef InProcessBrowserTest TabRestoreTest;

[sky, 2014/04/16 16:42:05]

Make this match your file name, eg BrowserTabRestoreTest.

+
+void AwaitTabsReady(TabStripModel* tab_strip_model) {
+  for (int i = 0; i < tab_strip_model->count(); ++i) {
+    content::WebContents* contents = tab_strip_model->GetWebContentsAt(i);
+    std::string title = base::UTF16ToUTF8(contents->GetTitle());
+    if (title == "about:blank")
+      continue;
+    bool window_ready = false;
+    const char kGetReadyJS[] = "window.domAutomationController.send("
+        "window.ready == undefined ? false : window.ready);";
+    EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
+        contents, kGetReadyJS, &window_ready));
+    if (title.empty() || !window_ready) {
+      base::PlatformThread::YieldCurrentThread();

[sky, 2014/04/16 16:42:05]

Don't do this. Add observers to wait for the condition you want.

+      i = -1; // Start over.
+    }
+  }
+}
+
+void CheckVisbility(TabStripModel* tab_strip_model, int visible_index) {
+  for (int i = 0; i < tab_strip_model->count(); ++i) {
+    content::WebContents* contents = tab_strip_model->GetWebContentsAt(i);
+    std::string document_visibility_state;
+    const char kGetStateJS[] = "window.domAutomationController.send("
+        "window.document.visibilityState);";
+    EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+        contents, kGetStateJS, &document_visibility_state));
+    if (i == visible_index) {
+      EXPECT_EQ("visible", document_visibility_state);
+    } else {
+      EXPECT_EQ("hidden", document_visibility_state);
+    }
+  }
+}
+
+void CreateTabs(Browser* browser) {
+  static GURL test_page(ui_test_utils::GetTestUrl(base::FilePath(),
+      base::FilePath(FILE_PATH_LITERAL("tab-restore-visibilty.html"))));
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser, test_page, NEW_FOREGROUND_TAB,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser, test_page, NEW_BACKGROUND_TAB,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
+}
+
+void CloseBrowser(Browser* browser) {
+  content::WindowedNotificationObserver observer(
+      chrome::NOTIFICATION_BROWSER_CLOSED,
+      content::Source<Browser>(browser));
+  chrome::CloseWindow(browser);
+  observer.Wait();
+}
+
+IN_PROC_BROWSER_TEST_F(TabRestoreTest, RecentTabsMenuTabDisposition) {
+  // Create tabs.
+  CreateTabs(browser());
+  TabStripModel* tab_strip_model= browser()->tab_strip_model();
+  ASSERT_EQ(3, tab_strip_model->count());
+  AwaitTabsReady(tab_strip_model);
+
+  // Create a new browser.
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(), GURL(), NEW_WINDOW,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
+  BrowserList* active_browser_list =
+      BrowserList::GetInstance(chrome::GetActiveDesktop());
+  ASSERT_EQ(2u, active_browser_list->size());
+
+  // Close the first browser.
+  CloseBrowser(browser());
+  ASSERT_EQ(1u, active_browser_list->size());
+
+  // Restore tabs using current browser's recent tabs menu.
+  content::WindowedNotificationObserver browser_observer(
+      chrome::NOTIFICATION_BROWSER_WINDOW_READY,
+      content::NotificationService::AllSources());
+  content::WindowedNotificationObserver tab_added_observer(
+      chrome::NOTIFICATION_TAB_PARENTED,
+      content::NotificationService::AllSources());
+  content::WindowedNotificationObserver tab_loaded_observer(
+      content::NOTIFICATION_LOAD_STOP,
+      content::NotificationService::AllSources());
+
+  Browser* browser = active_browser_list->get(0);
+  RecentTabsSubMenuModel menu(NULL, browser, NULL);
+  menu.ExecuteCommand(
+      RecentTabsSubMenuModel::GetFirstRecentTabsCommandId(), 0);
+
+  // Await a new browser containing the restored tabs.
+  browser_observer.Wait();
+  tab_added_observer.Wait();
+  tab_loaded_observer.Wait();
+  ASSERT_EQ(2u, active_browser_list->size());
+
+  // The current browser should still have only 1 tab.
+  tab_strip_model = browser->tab_strip_model();
+  ASSERT_EQ(1, tab_strip_model->count());
+
+  // There should be 3 restored tabs in the new browser.
+  browser = active_browser_list->get(1);
+  tab_strip_model = browser->tab_strip_model();
+  ASSERT_EQ(3, tab_strip_model->count());
+
+  // Its middle tab only should have visibile disposition.
+  AwaitTabsReady(tab_strip_model);
+  CheckVisbility(tab_strip_model, 1);
+}
+
+IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreDelegateTabDisposition) {
+  // Create tabs.
+  CreateTabs(browser());
+  TabStripModel* tab_strip_model= browser()->tab_strip_model();
+  ASSERT_EQ(3, tab_strip_model->count());
+  AwaitTabsReady(tab_strip_model);
+
+  // Create a new browser.
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(), GURL(), NEW_WINDOW,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
+  BrowserList* active_browser_list =
+      BrowserList::GetInstance(chrome::GetActiveDesktop());
+  ASSERT_EQ(2u, active_browser_list->size());
+
+  // Close the first browser.
+  CloseBrowser(browser());
+  ASSERT_EQ(1u, active_browser_list->size());
+
+  // Check the current browser has a delegated restore service.
+  Browser* browser = active_browser_list->get(0);
+  TabRestoreService* service =
+      TabRestoreServiceFactory::GetForProfile(browser->profile());
+  bool has_tab_restore_service = !!service;
+  ASSERT_TRUE(has_tab_restore_service);
+  TabRestoreServiceDelegate* delegate =
+      TabRestoreServiceDelegate::FindDelegateForWebContents(
+          browser->tab_strip_model()->GetActiveWebContents());
+  bool has_tab_restore_delegate = !!delegate;
+  ASSERT_TRUE(has_tab_restore_delegate);
+
+  // Tab restore using the delegated restore service.
+  content::WindowedNotificationObserver browser_observer(
+      chrome::NOTIFICATION_BROWSER_WINDOW_READY,
+      content::NotificationService::AllSources());
+  content::WindowedNotificationObserver tab_added_observer(
+      chrome::NOTIFICATION_TAB_PARENTED,
+      content::NotificationService::AllSources());
+  content::WindowedNotificationObserver tab_loaded_observer(
+      content::NOTIFICATION_LOAD_STOP,
+      content::NotificationService::AllSources());
+
+  service->RestoreMostRecentEntry(
+      delegate, browser->host_desktop_type());
+
+  // Await a new browser containing the restored tabs.
+  browser_observer.Wait();
+  tab_added_observer.Wait();
+  tab_loaded_observer.Wait();
+  ASSERT_EQ(2u, active_browser_list->size());
+
+  // The current browser should still have only 1 tab.
+  tab_strip_model = browser->tab_strip_model();
+  ASSERT_EQ(1, tab_strip_model->count());
+
+  // There should be 3 restored tabs in the new browser.
+  browser = active_browser_list->get(1);
+  tab_strip_model = browser->tab_strip_model();
+  ASSERT_EQ(3, tab_strip_model->count());
+
+  // Its middle tab only should have visibile disposition.
+  AwaitTabsReady(tab_strip_model);
+  CheckVisbility(tab_strip_model, 1);
+}