Session/tab sync performance tests.

chrome/test/live_sync/performance/sessions_sync_perf_test.cc

+// Copyright (c) 2011 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/stringprintf.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/sync/profile_sync_service_harness.h"
+#include "chrome/test/live_sync/performance/sync_timing_helper.h"
+#include "chrome/test/live_sync/live_sessions_sync_test.h"
+
+static const int kNumTabs = 150;
+
+class SessionsSyncPerfTest: public TwoClientLiveSessionsSyncTest {
+ public:
+  SessionsSyncPerfTest() : url_number(0) {}
+
+  // Opens |num_tabs| new tabs on |profile|.
+  void AddTabs(int profile, int num_tabs);
+
+  // Update all tabs in |profile| by visiting a new URL.
+  void UpdateTabs(int profile);
+
+  // Close all tabs in |profile|.
+  void RemoveTabs(int profile);
+
+  // Returns the number of open tabs in all sessions (local + foreign) for
+  // |profile|.  Returns -1 on failure.
+  int GetTabCount(int profile);
+
+ private:
+  // Returns a new unique URL.
+  GURL NextURL();
+
+  // Returns a unique URL according to the integer |n|.
+  GURL IntToURL(int n);
+
+  int url_number;

[Raghu Simha, 2011/08/05 21:26:07]

s/url_number/url_number_/

[braffert, 2011/08/05 21:37:21]

Done.

+  DISALLOW_COPY_AND_ASSIGN(SessionsSyncPerfTest);
+};
+
+void SessionsSyncPerfTest::AddTabs(int profile, int num_tabs) {
+  std::vector<GURL> urls;
+  for (int i = 0; i < num_tabs; ++i) {
+    urls.push_back(NextURL());
+  }
+  OpenMultipleTabs(profile, urls);
+}
+
+void SessionsSyncPerfTest::UpdateTabs(int profile) {
+  Browser* browser = GetBrowser(profile);
+  GURL url;
+  std::vector<GURL> urls;
+  for (int i = 0; i < browser->tab_count(); ++i) {
+    browser->SelectNumberedTab(i);
+    url = NextURL();
+    browser->OpenURL(
+        OpenURLParams(url, GURL("www.google.com"), CURRENT_TAB, 0));
+    urls.push_back(url);
+  }
+  WaitForTabsToLoad(profile, urls);
+}
+
+void SessionsSyncPerfTest::RemoveTabs(int profile) {
+  GetBrowser(profile)->CloseAllTabs();
+}
+
+int SessionsSyncPerfTest::GetTabCount(int profile) {
+  int tab_count = 0;
+  const SyncedSession* local_session;
+  std::vector<const SyncedSession*> sessions;
+
+  if (!GetLocalSession(profile, &local_session)) {
+    VLOG(1) << "GetLocalSession returned false";
+    return -1;
+  }
+
+  if (!GetSessionData(profile, &sessions)) {
+    // Foreign session data may be empty.  In this case we only count tabs in
+    // the local session.
+    VLOG(1) << "GetSessionData returned false";
+  }
+
+  sessions.push_back(local_session);
+  for (std::vector<const SyncedSession*>::const_iterator it = sessions.begin();
+       it != sessions.end(); ++it) {
+    for (std::vector<SessionWindow*>::const_iterator win_it =
+             (*it)->windows.begin(); win_it != (*it)->windows.end(); ++win_it) {
+      tab_count += (*win_it)->tabs.size();
+    }
+  }
+  return tab_count;
+}
+
+GURL SessionsSyncPerfTest::NextURL() {
+  return IntToURL(url_number++);
+}
+
+GURL SessionsSyncPerfTest::IntToURL(int n) {
+  return GURL(StringPrintf("http://history%d.google.com/", n));
+}
+
+IN_PROC_BROWSER_TEST_F(SessionsSyncPerfTest, P0) {
+  ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
+
+  AddTabs(0, kNumTabs);
+  base::TimeDelta dt =
+      SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  ASSERT_EQ(kNumTabs, GetTabCount(0));
+  ASSERT_EQ(kNumTabs, GetTabCount(1));
+  SyncTimingHelper::PrintResult("tabs", "add", dt);
+
+  UpdateTabs(0);
+  dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  ASSERT_EQ(kNumTabs, GetTabCount(0));
+  ASSERT_EQ(kNumTabs, GetTabCount(1));
+  SyncTimingHelper::PrintResult("tabs", "update", dt);
+
+  RemoveTabs(0);
+  dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  // New tab page remains open on profile 0 after closing all tabs.
+  ASSERT_EQ(1, GetTabCount(0));
+  ASSERT_EQ(0, GetTabCount(1));
+  SyncTimingHelper::PrintResult("tabs", "delete", dt);
+}