| OLD | NEW |
|---|
| (Empty) | |
| 1 // Copyright (c) 2009 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 <list> |
| 6 #include <map> |
| 7 #include <set> |
| 8 #include <strstream> |
| 9 |
| 10 #include "base/scoped_ptr.h" |
| 11 #include "chrome/browser/sync/engine/syncer_thread.h" |
| 12 #include "testing/gtest/include/gtest/gtest.h" |
| 13 |
| 14 namespace browser_sync { |
| 15 |
| 16 class SyncerThreadTest : public testing::Test { |
| 17 protected: |
| 18 SyncerThreadTest() {} |
| 19 virtual ~SyncerThreadTest() {} |
| 20 virtual void SetUp() {} |
| 21 virtual void TearDown() {} |
| 22 |
| 23 private: |
| 24 DISALLOW_COPY_AND_ASSIGN(SyncerThreadTest); |
| 25 }; |
| 26 |
| 27 TEST_F(SyncerThreadTest, Construction) { |
| 28 SyncerThread syncer_thread(NULL, NULL, NULL, NULL, NULL); |
| 29 } |
| 30 |
| 31 TEST_F(SyncerThreadTest, CalculateSyncWaitTime) { |
| 32 SyncerThread syncer_thread(NULL, NULL, NULL, NULL, NULL); |
| 33 syncer_thread.DisableIdleDetection(); |
| 34 |
| 35 // Syncer_polling_interval_ is less than max poll interval |
| 36 int syncer_polling_interval = 1; // Needed since AssertionResult is not a |
| 37 // friend of SyncerThread |
| 38 syncer_thread.syncer_polling_interval_ = syncer_polling_interval; |
| 39 |
| 40 // user_idle_ms is less than 10 * (syncer_polling_interval*1000). |
| 41 ASSERT_EQ(syncer_polling_interval * 1000, |
| 42 syncer_thread.CalculateSyncWaitTime(1000, 0)); |
| 43 ASSERT_EQ(syncer_polling_interval * 1000, |
| 44 syncer_thread.CalculateSyncWaitTime(1000, 1)); |
| 45 |
| 46 // user_idle_ms is ge than 10 * (syncer_polling_interval*1000). |
| 47 int last_poll_time = 2000; |
| 48 ASSERT_LE(last_poll_time, |
| 49 syncer_thread.CalculateSyncWaitTime(last_poll_time, 10000)); |
| 50 ASSERT_GE(last_poll_time*3, |
| 51 syncer_thread.CalculateSyncWaitTime(last_poll_time, 10000)); |
| 52 ASSERT_LE(last_poll_time, |
| 53 syncer_thread.CalculateSyncWaitTime(last_poll_time, 100000)); |
| 54 ASSERT_GE(last_poll_time*3, |
| 55 syncer_thread.CalculateSyncWaitTime(last_poll_time, 100000)); |
| 56 |
| 57 // Maximum backoff time should be syncer_max_interval. |
| 58 int near_threshold = SyncerThread::kDefaultMaxPollIntervalMs / 2 - 1; |
| 59 int threshold = SyncerThread::kDefaultMaxPollIntervalMs; |
| 60 int over_threshold = SyncerThread::kDefaultMaxPollIntervalMs + 1; |
| 61 ASSERT_LE(near_threshold, |
| 62 syncer_thread.CalculateSyncWaitTime(near_threshold, 10000)); |
| 63 ASSERT_GE(SyncerThread::kDefaultMaxPollIntervalMs, |
| 64 syncer_thread.CalculateSyncWaitTime(near_threshold, 10000)); |
| 65 ASSERT_EQ(SyncerThread::kDefaultMaxPollIntervalMs, |
| 66 syncer_thread.CalculateSyncWaitTime(threshold, 10000)); |
| 67 ASSERT_EQ(SyncerThread::kDefaultMaxPollIntervalMs, |
| 68 syncer_thread.CalculateSyncWaitTime(over_threshold, 10000)); |
| 69 |
| 70 // Possible idle time must be capped by syncer_max_interval. |
| 71 int over_sync_max_interval = |
| 72 SyncerThread::kDefaultMaxPollIntervalMs + 1; |
| 73 syncer_polling_interval = over_sync_max_interval / 100; // so 1000* is right |
| 74 syncer_thread.syncer_polling_interval_ = syncer_polling_interval; |
| 75 ASSERT_EQ(syncer_polling_interval * 1000, |
| 76 syncer_thread.CalculateSyncWaitTime(1000, over_sync_max_interval)); |
| 77 syncer_polling_interval = 1; |
| 78 syncer_thread.syncer_polling_interval_ = syncer_polling_interval; |
| 79 ASSERT_LE(last_poll_time, |
| 80 syncer_thread.CalculateSyncWaitTime(last_poll_time, |
| 81 over_sync_max_interval)); |
| 82 ASSERT_GE(last_poll_time * 3, |
| 83 syncer_thread.CalculateSyncWaitTime(last_poll_time, |
| 84 over_sync_max_interval)); |
| 85 } |
| 86 |
| 87 TEST_F(SyncerThreadTest, CalculatePollingWaitTime) { |
| 88 // Set up the environment |
| 89 int user_idle_milliseconds_param = 0; |
| 90 |
| 91 SyncerThread syncer_thread(NULL, NULL, NULL, NULL, NULL); |
| 92 syncer_thread.DisableIdleDetection(); |
| 93 |
| 94 // Notifications disabled should result in a polling interval of |
| 95 // kDefaultShortPollInterval |
| 96 { |
| 97 AllStatus::Status status = {}; |
| 98 status.notifications_enabled = 0; |
| 99 bool continue_sync_cycle_param = false; |
| 100 |
| 101 // No work and no backoff. |
| 102 ASSERT_EQ(SyncerThread::kDefaultShortPollIntervalSeconds, |
| 103 syncer_thread.CalculatePollingWaitTime( |
| 104 status, |
| 105 0, |
| 106 &user_idle_milliseconds_param, |
| 107 &continue_sync_cycle_param)); |
| 108 ASSERT_FALSE(continue_sync_cycle_param); |
| 109 |
| 110 // In this case the continue_sync_cycle is turned off. |
| 111 continue_sync_cycle_param = true; |
| 112 ASSERT_EQ(SyncerThread::kDefaultShortPollIntervalSeconds, |
| 113 syncer_thread.CalculatePollingWaitTime( |
| 114 status, |
| 115 0, |
| 116 &user_idle_milliseconds_param, |
| 117 &continue_sync_cycle_param)); |
| 118 ASSERT_FALSE(continue_sync_cycle_param); |
| 119 |
| 120 // TODO(brg) : Find a way to test exponential backoff is inoperable. |
| 121 // Exponential backoff should be turned on when notifications are disabled |
| 122 // but this can not be tested since we can not set the last input info. |
| 123 } |
| 124 |
| 125 // Notifications enabled should result in a polling interval of |
| 126 // SyncerThread::kDefaultLongPollIntervalSeconds |
| 127 { |
| 128 AllStatus::Status status = {}; |
| 129 status.notifications_enabled = 1; |
| 130 bool continue_sync_cycle_param = false; |
| 131 |
| 132 // No work and no backoff. |
| 133 ASSERT_EQ(SyncerThread::kDefaultLongPollIntervalSeconds, |
| 134 syncer_thread.CalculatePollingWaitTime( |
| 135 status, |
| 136 0, |
| 137 &user_idle_milliseconds_param, |
| 138 &continue_sync_cycle_param)); |
| 139 ASSERT_FALSE(continue_sync_cycle_param); |
| 140 |
| 141 // In this case the continue_sync_cycle is turned off. |
| 142 continue_sync_cycle_param = true; |
| 143 ASSERT_EQ(SyncerThread::kDefaultLongPollIntervalSeconds, |
| 144 syncer_thread.CalculatePollingWaitTime( |
| 145 status, |
| 146 0, |
| 147 &user_idle_milliseconds_param, |
| 148 &continue_sync_cycle_param)); |
| 149 ASSERT_FALSE(continue_sync_cycle_param); |
| 150 |
| 151 // TODO(brg) : Find a way to test exponential backoff. |
| 152 // Exponential backoff should be turned off when notifications are enabled, |
| 153 // but this can not be tested since we can not set the last input info. |
| 154 } |
| 155 |
| 156 // There are two states which can cause a continuation, either the updates |
| 157 // available do not match the updates received, or the unsynced count is |
| 158 // non-zero. |
| 159 { |
| 160 AllStatus::Status status = {}; |
| 161 status.updates_available = 1; |
| 162 status.updates_received = 0; |
| 163 bool continue_sync_cycle_param = false; |
| 164 |
| 165 ASSERT_LE(0, syncer_thread.CalculatePollingWaitTime( |
| 166 status, |
| 167 0, |
| 168 &user_idle_milliseconds_param, |
| 169 &continue_sync_cycle_param)); |
| 170 ASSERT_TRUE(continue_sync_cycle_param); |
| 171 |
| 172 continue_sync_cycle_param = false; |
| 173 ASSERT_GE(3, syncer_thread.CalculatePollingWaitTime( |
| 174 status, |
| 175 0, |
| 176 &user_idle_milliseconds_param, |
| 177 &continue_sync_cycle_param)); |
| 178 ASSERT_TRUE(continue_sync_cycle_param); |
| 179 |
| 180 ASSERT_LE(0, syncer_thread.CalculatePollingWaitTime( |
| 181 status, |
| 182 0, |
| 183 &user_idle_milliseconds_param, |
| 184 &continue_sync_cycle_param)); |
| 185 ASSERT_GE(2, syncer_thread.CalculatePollingWaitTime( |
| 186 status, |
| 187 0, |
| 188 &user_idle_milliseconds_param, |
| 189 &continue_sync_cycle_param)); |
| 190 ASSERT_TRUE(continue_sync_cycle_param); |
| 191 |
| 192 status.updates_received = 1; |
| 193 ASSERT_EQ(SyncerThread::kDefaultShortPollIntervalSeconds, |
| 194 syncer_thread.CalculatePollingWaitTime( |
| 195 status, |
| 196 10, |
| 197 &user_idle_milliseconds_param, |
| 198 &continue_sync_cycle_param)); |
| 199 ASSERT_FALSE(continue_sync_cycle_param); |
| 200 } |
| 201 |
| 202 { |
| 203 AllStatus::Status status = {}; |
| 204 status.unsynced_count = 1; |
| 205 bool continue_sync_cycle_param = false; |
| 206 |
| 207 ASSERT_LE(0, syncer_thread.CalculatePollingWaitTime( |
| 208 status, |
| 209 0, |
| 210 &user_idle_milliseconds_param, |
| 211 &continue_sync_cycle_param)); |
| 212 ASSERT_TRUE(continue_sync_cycle_param); |
| 213 |
| 214 continue_sync_cycle_param = false; |
| 215 ASSERT_GE(2, syncer_thread.CalculatePollingWaitTime( |
| 216 status, |
| 217 0, |
| 218 &user_idle_milliseconds_param, |
| 219 &continue_sync_cycle_param)); |
| 220 ASSERT_TRUE(continue_sync_cycle_param); |
| 221 |
| 222 status.unsynced_count = 0; |
| 223 ASSERT_EQ(SyncerThread::kDefaultShortPollIntervalSeconds, |
| 224 syncer_thread.CalculatePollingWaitTime( |
| 225 status, |
| 226 4, |
| 227 &user_idle_milliseconds_param, |
| 228 &continue_sync_cycle_param)); |
| 229 ASSERT_FALSE(continue_sync_cycle_param); |
| 230 } |
| 231 |
| 232 // Regression for exponential backoff reset when the |
| 233 // syncer is nudged. |
| 234 { |
| 235 AllStatus::Status status = {}; |
| 236 status.unsynced_count = 1; |
| 237 bool continue_sync_cycle_param = false; |
| 238 |
| 239 // Expect move from default polling interval to exponential backoff due to |
| 240 // unsynced_count != 0. |
| 241 ASSERT_LE(0, syncer_thread.CalculatePollingWaitTime( |
| 242 status, |
| 243 3600, |
| 244 &user_idle_milliseconds_param, |
| 245 &continue_sync_cycle_param)); |
| 246 ASSERT_TRUE(continue_sync_cycle_param); |
| 247 |
| 248 continue_sync_cycle_param = false; |
| 249 ASSERT_GE(2, syncer_thread.CalculatePollingWaitTime( |
| 250 status, |
| 251 3600, |
| 252 &user_idle_milliseconds_param, |
| 253 &continue_sync_cycle_param)); |
| 254 ASSERT_TRUE(continue_sync_cycle_param); |
| 255 |
| 256 // Expect exponential backoff. |
| 257 ASSERT_LE(2, syncer_thread.CalculatePollingWaitTime( |
| 258 status, |
| 259 2, |
| 260 &user_idle_milliseconds_param, |
| 261 &continue_sync_cycle_param)); |
| 262 ASSERT_GE(6, syncer_thread.CalculatePollingWaitTime( |
| 263 status, |
| 264 2, |
| 265 &user_idle_milliseconds_param, |
| 266 &continue_sync_cycle_param)); |
| 267 ASSERT_TRUE(continue_sync_cycle_param); |
| 268 |
| 269 // A nudge resets the continue_sync_cycle_param value, so our backoff |
| 270 // should return to the minimum. |
| 271 continue_sync_cycle_param = false; |
| 272 ASSERT_LE(0, syncer_thread.CalculatePollingWaitTime( |
| 273 status, |
| 274 3600, |
| 275 &user_idle_milliseconds_param, |
| 276 &continue_sync_cycle_param)); |
| 277 ASSERT_TRUE(continue_sync_cycle_param); |
| 278 |
| 279 continue_sync_cycle_param = false; |
| 280 ASSERT_GE(2, syncer_thread.CalculatePollingWaitTime( |
| 281 status, |
| 282 3600, |
| 283 &user_idle_milliseconds_param, |
| 284 &continue_sync_cycle_param)); |
| 285 ASSERT_TRUE(continue_sync_cycle_param); |
| 286 |
| 287 // Setting unsynced_count = 0 returns us to the default polling interval. |
| 288 status.unsynced_count = 0; |
| 289 ASSERT_EQ(SyncerThread::kDefaultShortPollIntervalSeconds, |
| 290 syncer_thread.CalculatePollingWaitTime( |
| 291 status, |
| 292 4, |
| 293 &user_idle_milliseconds_param, |
| 294 &continue_sync_cycle_param)); |
| 295 ASSERT_FALSE(continue_sync_cycle_param); |
| 296 } |
| 297 } |
| 298 |
| 299 } // namespace browser_sync |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 194065:
Initial commit of sync engine code to browser/sync.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/