chrome/browser/sync/glue/synced_session_tracker_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <string>
   6 #include <vector>
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/rand_util.h"
  10 #include "base/stringprintf.h"
  11 #include "base/utf_string_conversions.h"
  12 #include "chrome/browser/sessions/session_types.h"
  13 #include "chrome/browser/sessions/session_types_test_helper.h"
  14 #include "chrome/browser/sync/glue/synced_session_tracker.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 namespace browser_sync {
  18
  19 typedef testing::Test SyncedSessionTrackerTest;
  20
  21 TEST_F(SyncedSessionTrackerTest, GetSession) {
  22   SyncedSessionTracker tracker;
  23   SyncedSession* session1 = tracker.GetSession("tag");
  24   SyncedSession* session2 = tracker.GetSession("tag2");
  25   ASSERT_EQ(session1, tracker.GetSession("tag"));
  26   ASSERT_NE(session1, session2);
  27   // Should clean up memory on its own.
  28 }
  29
  30 TEST_F(SyncedSessionTrackerTest, GetTabUnmapped) {
  31   SyncedSessionTracker tracker;
  32   SessionTab* tab = tracker.GetTab("tag", 0);
  33   ASSERT_EQ(tab, tracker.GetTab("tag", 0));
  34   // Should clean up memory on its own.
  35 }
  36
  37 TEST_F(SyncedSessionTrackerTest, PutWindowInSession) {
  38   SyncedSessionTracker tracker;
  39   tracker.PutWindowInSession("tag", 0);
  40   SyncedSession* session = tracker.GetSession("tag");
  41   ASSERT_EQ(1U, session->windows.size());
  42   // Should clean up memory on its own.
  43 }
  44
  45 TEST_F(SyncedSessionTrackerTest, PutTabInWindow) {
  46   SyncedSessionTracker tracker;
  47   tracker.PutWindowInSession("tag", 10);
  48   tracker.PutTabInWindow("tag", 10, 15, 0);  // win id 10, tab id 15, tab ind 0.
  49   SyncedSession* session = tracker.GetSession("tag");
  50   ASSERT_EQ(1U, session->windows.size());
  51   ASSERT_EQ(1U, session->windows[10]->tabs.size());
  52   ASSERT_EQ(tracker.GetTab("tag", 15), session->windows[10]->tabs[0]);
  53   // Should clean up memory on its own.
  54 }
  55
  56 TEST_F(SyncedSessionTrackerTest, LookupAllForeignSessions) {
  57   SyncedSessionTracker tracker;
  58   std::vector<const SyncedSession*> sessions;
  59   ASSERT_FALSE(tracker.LookupAllForeignSessions(&sessions));
  60   tracker.GetSession("tag1");
  61   tracker.GetSession("tag2");
  62   tracker.PutWindowInSession("tag1", 0);
  63   tracker.PutTabInWindow("tag1", 0, 15, 0);
  64   SessionTab* tab = tracker.GetTab("tag1", 15);
  65   ASSERT_TRUE(tab);
  66   tab->navigations.push_back(SessionTypesTestHelper::CreateNavigation(
  67       "bla://valid_url", "title"));
  68   ASSERT_TRUE(tracker.LookupAllForeignSessions(&sessions));
  69   // Only the session with a valid window and tab gets returned.
  70   ASSERT_EQ(1U, sessions.size());
  71   ASSERT_EQ("tag1", sessions[0]->session_tag);
  72 }
  73
  74 TEST_F(SyncedSessionTrackerTest, LookupSessionWindows) {
  75   SyncedSessionTracker tracker;
  76   std::vector<const SessionWindow*> windows;
  77   ASSERT_FALSE(tracker.LookupSessionWindows("tag1", &windows));
  78   tracker.GetSession("tag1");
  79   tracker.PutWindowInSession("tag1", 0);
  80   tracker.PutWindowInSession("tag1", 2);
  81   tracker.GetSession("tag2");
  82   tracker.PutWindowInSession("tag2", 0);
  83   tracker.PutWindowInSession("tag2", 2);
  84   ASSERT_TRUE(tracker.LookupSessionWindows("tag1", &windows));
  85   ASSERT_EQ(2U, windows.size());  // Only windows from tag1 session.
  86   ASSERT_NE((SessionWindow*)NULL, windows[0]);
  87   ASSERT_NE((SessionWindow*)NULL, windows[1]);
  88   ASSERT_NE(windows[1], windows[0]);
  89 }
  90
  91 TEST_F(SyncedSessionTrackerTest, LookupSessionTab) {
  92   SyncedSessionTracker tracker;
  93   const SessionTab* tab;
  94   ASSERT_FALSE(tracker.LookupSessionTab("tag1", 5, &tab));
  95   tracker.GetSession("tag1");
  96   tracker.PutWindowInSession("tag1", 0);
  97   tracker.PutTabInWindow("tag1", 0, 5, 0);
  98   ASSERT_TRUE(tracker.LookupSessionTab("tag1", 5, &tab));
  99   ASSERT_NE((SessionTab*)NULL, tab);
 100 }
 101
 102 TEST_F(SyncedSessionTrackerTest, Complex) {
 103   const std::string tag1 = "tag";
 104   const std::string tag2 = "tag2";
 105   const std::string tag3 = "tag3";
 106   SyncedSessionTracker tracker;
 107   std::vector<SessionTab*> tabs1, tabs2;
 108   SessionTab* temp_tab;
 109   ASSERT_TRUE(tracker.Empty());
 110   ASSERT_EQ(0U, tracker.num_synced_sessions());
 111   ASSERT_EQ(0U, tracker.num_synced_tabs(tag1));
 112   tabs1.push_back(tracker.GetTab(tag1, 0));
 113   tabs1.push_back(tracker.GetTab(tag1, 1));
 114   tabs1.push_back(tracker.GetTab(tag1, 2));
 115   ASSERT_EQ(3U, tracker.num_synced_tabs(tag1));
 116   ASSERT_EQ(0U, tracker.num_synced_sessions());
 117   temp_tab = tracker.GetTab(tag1, 0);  // Already created.
 118   ASSERT_EQ(3U, tracker.num_synced_tabs(tag1));
 119   ASSERT_EQ(0U, tracker.num_synced_sessions());
 120   ASSERT_EQ(tabs1[0], temp_tab);
 121   tabs2.push_back(tracker.GetTab(tag2, 0));
 122   ASSERT_EQ(1U, tracker.num_synced_tabs(tag2));
 123   ASSERT_EQ(0U, tracker.num_synced_sessions());
 124   ASSERT_FALSE(tracker.DeleteSession(tag3));
 125
 126   SyncedSession* session = tracker.GetSession(tag1);
 127   SyncedSession* session2 = tracker.GetSession(tag2);
 128   SyncedSession* session3 = tracker.GetSession(tag3);
 129   ASSERT_EQ(3U, tracker.num_synced_sessions());
 130
 131   ASSERT_TRUE(session);
 132   ASSERT_TRUE(session2);
 133   ASSERT_TRUE(session3);
 134   ASSERT_NE(session, session2);
 135   ASSERT_NE(session2, session3);
 136   ASSERT_TRUE(tracker.DeleteSession(tag3));
 137   ASSERT_EQ(2U, tracker.num_synced_sessions());
 138
 139   tracker.PutWindowInSession(tag1, 0);      // Create a window.
 140   tracker.PutTabInWindow(tag1, 0, 2, 0);    // No longer unmapped.
 141   ASSERT_EQ(3U, tracker.num_synced_tabs(tag1));      // Has not changed.
 142
 143   const SessionTab *tab_ptr;
 144   ASSERT_TRUE(tracker.LookupSessionTab(tag1, 0, &tab_ptr));
 145   ASSERT_EQ(tab_ptr, tabs1[0]);
 146   ASSERT_TRUE(tracker.LookupSessionTab(tag1, 2, &tab_ptr));
 147   ASSERT_EQ(tab_ptr, tabs1[2]);
 148   ASSERT_FALSE(tracker.LookupSessionTab(tag1, 3, &tab_ptr));
 149   ASSERT_EQ(static_cast<const SessionTab*>(NULL), tab_ptr);
 150
 151   std::vector<const SessionWindow*> windows;
 152   ASSERT_TRUE(tracker.LookupSessionWindows(tag1, &windows));
 153   ASSERT_EQ(1U, windows.size());
 154   ASSERT_TRUE(tracker.LookupSessionWindows(tag2, &windows));
 155   ASSERT_EQ(0U, windows.size());
 156
 157   // The sessions don't have valid tabs, lookup should not succeed.
 158   std::vector<const SyncedSession*> sessions;
 159   ASSERT_FALSE(tracker.LookupAllForeignSessions(&sessions));
 160
 161   tracker.Clear();
 162   ASSERT_EQ(0U, tracker.num_synced_tabs(tag1));
 163   ASSERT_EQ(0U, tracker.num_synced_tabs(tag2));
 164   ASSERT_EQ(0U, tracker.num_synced_sessions());
 165 }
 166
 167 TEST_F(SyncedSessionTrackerTest, ManyGetTabs) {
 168   SyncedSessionTracker tracker;
 169   ASSERT_TRUE(tracker.Empty());
 170   const int kMaxSessions = 10;
 171   const int kMaxTabs = 1000;
 172   const int kMaxAttempts = 10000;
 173   for (int j=0; j<kMaxSessions; ++j) {
 174     std::string tag = base::StringPrintf("tag%d", j);
 175     for (int i=0; i<kMaxAttempts; ++i) {
 176       // More attempts than tabs means we'll sometimes get the same tabs,
 177       // sometimes have to allocate new tabs.
 178       int rand_tab_num = base::RandInt(0, kMaxTabs);
 179       SessionTab* tab = tracker.GetTab(tag, rand_tab_num);
 180       ASSERT_TRUE(tab);
 181     }
 182   }
 183 }
 184
 185 TEST_F(SyncedSessionTrackerTest, SessionTracking) {
 186   SyncedSessionTracker tracker;
 187   ASSERT_TRUE(tracker.Empty());
 188   std::string tag1 = "tag1";
 189   std::string tag2 = "tag2";
 190
 191   // Create some session information that is stale.
 192   SyncedSession* session1= tracker.GetSession(tag1);
 193   tracker.PutWindowInSession(tag1, 0);
 194   tracker.PutTabInWindow(tag1, 0, 0, 0);
 195   tracker.PutTabInWindow(tag1, 0, 1, 1);
 196   tracker.GetTab(tag1, 2)->window_id.set_id(0);  // Will be an unmapped tab.
 197   tracker.GetTab(tag1, 3)->window_id.set_id(0);  // Will be an unmapped tab.
 198   tracker.PutWindowInSession(tag1, 1);
 199   tracker.PutTabInWindow(tag1, 1, 4, 0);
 200   tracker.PutTabInWindow(tag1, 1, 5, 1);
 201   ASSERT_EQ(2U, session1->windows.size());
 202   ASSERT_EQ(2U, session1->windows[0]->tabs.size());
 203   ASSERT_EQ(2U, session1->windows[1]->tabs.size());
 204   ASSERT_EQ(6U, tracker.num_synced_tabs(tag1));
 205
 206   // Create a session that should not be affected.
 207   SyncedSession* session2 = tracker.GetSession(tag2);
 208   tracker.PutWindowInSession(tag2, 2);
 209   tracker.PutTabInWindow(tag2, 2, 1, 0);
 210   ASSERT_EQ(1U, session2->windows.size());
 211   ASSERT_EQ(1U, session2->windows[2]->tabs.size());
 212   ASSERT_EQ(1U, tracker.num_synced_tabs(tag2));
 213
 214   // Reset tracking and get the current windows/tabs.
 215   // We simulate moving a tab from one window to another, then closing the first
 216   // window (including its one remaining tab), and opening a new tab on the
 217   // remaining window.
 218   tracker.GetTab(tag1, 6);  // New tab, arrived before meta node so unmapped.
 219   tracker.ResetSessionTracking(tag1);
 220   tracker.PutWindowInSession(tag1, 0);
 221   tracker.PutTabInWindow(tag1, 0, 0, 0);
 222   // Tab 1 is closed.
 223   tracker.PutTabInWindow(tag1, 0, 2, 1);  // No longer unmapped.
 224   // Tab 3 was unmapped and does not get used.
 225   tracker.PutTabInWindow(tag1, 0, 4, 2);  // Moved from window 1.
 226   // Window 1 was closed, along with tab 5.
 227   tracker.PutTabInWindow(tag1, 0, 6, 3);  // No longer unmapped.
 228   // Session 2 should not be affected.
 229   tracker.CleanupSession(tag1);
 230
 231   // Verify that only those parts of the session not owned have been removed.
 232   ASSERT_EQ(1U, session1->windows.size());
 233   ASSERT_EQ(4U, session1->windows[0]->tabs.size());
 234   ASSERT_EQ(1U, session2->windows.size());
 235   ASSERT_EQ(1U, session2->windows[2]->tabs.size());
 236   ASSERT_EQ(2U, tracker.num_synced_sessions());
 237   ASSERT_EQ(4U, tracker.num_synced_tabs(tag1));
 238   ASSERT_EQ(1U, tracker.num_synced_tabs(tag2));
 239
 240   // All memory should be properly deallocated by destructor for the
 241   // SyncedSessionTracker.
 242 }
 243
 244 }  // namespace browser_sync