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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/bind.h" | 5 #include "base/bind.h" |
6 #include "base/macros.h" | 6 #include "base/macros.h" |
7 #include "base/strings/stringprintf.h" | 7 #include "base/strings/stringprintf.h" |
8 #include "chrome/browser/sync/test/integration/bookmarks_helper.h" | 8 #include "chrome/browser/sync/test/integration/bookmarks_helper.h" |
9 #include "chrome/browser/sync/test/integration/retry_verifier.h" | 9 #include "chrome/browser/sync/test/integration/retry_verifier.h" |
10 #include "chrome/browser/sync/test/integration/single_client_status_change_check
er.h" | 10 #include "chrome/browser/sync/test/integration/single_client_status_change_check
er.h" |
11 #include "chrome/browser/sync/test/integration/sync_integration_test_util.h" | |
12 #include "chrome/browser/sync/test/integration/sync_test.h" | 11 #include "chrome/browser/sync/test/integration/sync_test.h" |
| 12 #include "chrome/browser/sync/test/integration/updated_progress_marker_checker.h
" |
13 #include "components/browser_sync/profile_sync_service.h" | 13 #include "components/browser_sync/profile_sync_service.h" |
14 #include "net/base/network_change_notifier.h" | 14 #include "net/base/network_change_notifier.h" |
15 | 15 |
16 namespace { | 16 namespace { |
17 | 17 |
18 using bookmarks_helper::AddFolder; | 18 using bookmarks_helper::AddFolder; |
19 using bookmarks_helper::ModelMatchesVerifier; | 19 using bookmarks_helper::ModelMatchesVerifier; |
20 using syncer::SyncCycleSnapshot; | 20 using syncer::SyncCycleSnapshot; |
21 using sync_integration_test_util::AwaitCommitActivityCompletion; | |
22 | 21 |
23 class SyncExponentialBackoffTest : public SyncTest { | 22 class SyncExponentialBackoffTest : public SyncTest { |
24 public: | 23 public: |
25 SyncExponentialBackoffTest() : SyncTest(SINGLE_CLIENT) {} | 24 SyncExponentialBackoffTest() : SyncTest(SINGLE_CLIENT) {} |
26 ~SyncExponentialBackoffTest() override {} | 25 ~SyncExponentialBackoffTest() override {} |
27 | 26 |
28 private: | 27 private: |
29 DISALLOW_COPY_AND_ASSIGN(SyncExponentialBackoffTest); | 28 DISALLOW_COPY_AND_ASSIGN(SyncExponentialBackoffTest); |
30 }; | 29 }; |
31 | 30 |
32 // Helper class that checks if a sync client has successfully gone through | 31 // Helper class that checks if a sync client has successfully gone through |
33 // exponential backoff after it encounters an error. | 32 // exponential backoff after it encounters an error. |
34 class ExponentialBackoffChecker : public SingleClientStatusChangeChecker { | 33 class ExponentialBackoffChecker : public SingleClientStatusChangeChecker { |
35 public: | 34 public: |
36 explicit ExponentialBackoffChecker(browser_sync::ProfileSyncService* pss) | 35 explicit ExponentialBackoffChecker(browser_sync::ProfileSyncService* pss) |
37 : SingleClientStatusChangeChecker(pss) { | 36 : SingleClientStatusChangeChecker(pss) { |
38 const SyncCycleSnapshot& snap = service()->GetLastCycleSnapshot(); | 37 const SyncCycleSnapshot& snap = service()->GetLastCycleSnapshot(); |
39 retry_verifier_.Initialize(snap); | 38 retry_verifier_.Initialize(snap); |
40 } | 39 } |
41 | 40 |
42 ~ExponentialBackoffChecker() override {} | |
43 | |
44 // Checks if backoff is complete. Called repeatedly each time PSS notifies | 41 // Checks if backoff is complete. Called repeatedly each time PSS notifies |
45 // observers of a state change. | 42 // observers of a state change. |
46 bool IsExitConditionSatisfied() override { | 43 bool IsExitConditionSatisfied() override { |
47 const SyncCycleSnapshot& snap = service()->GetLastCycleSnapshot(); | 44 const SyncCycleSnapshot& snap = service()->GetLastCycleSnapshot(); |
48 retry_verifier_.VerifyRetryInterval(snap); | 45 retry_verifier_.VerifyRetryInterval(snap); |
49 return (retry_verifier_.done() && retry_verifier_.Succeeded()); | 46 return (retry_verifier_.done() && retry_verifier_.Succeeded()); |
50 } | 47 } |
51 | 48 |
52 std::string GetDebugMessage() const override { | 49 std::string GetDebugMessage() const override { |
53 return base::StringPrintf("Verifying backoff intervals (%d/%d)", | 50 return base::StringPrintf("Verifying backoff intervals (%d/%d)", |
54 retry_verifier_.retry_count(), | 51 retry_verifier_.retry_count(), |
55 RetryVerifier::kMaxRetry); | 52 RetryVerifier::kMaxRetry); |
56 } | 53 } |
57 | 54 |
58 private: | 55 private: |
59 // Keeps track of the number of attempts at exponential backoff and its | 56 // Keeps track of the number of attempts at exponential backoff and its |
60 // related bookkeeping information for verification. | 57 // related bookkeeping information for verification. |
61 RetryVerifier retry_verifier_; | 58 RetryVerifier retry_verifier_; |
62 | 59 |
63 DISALLOW_COPY_AND_ASSIGN(ExponentialBackoffChecker); | 60 DISALLOW_COPY_AND_ASSIGN(ExponentialBackoffChecker); |
64 }; | 61 }; |
65 | 62 |
66 IN_PROC_BROWSER_TEST_F(SyncExponentialBackoffTest, OfflineToOnline) { | 63 IN_PROC_BROWSER_TEST_F(SyncExponentialBackoffTest, OfflineToOnline) { |
67 ASSERT_TRUE(SetupSync()) << "SetupSync() failed."; | 64 ASSERT_TRUE(SetupSync()) << "SetupSync() failed."; |
68 | 65 |
69 // Add an item and ensure that sync is successful. | 66 // Add an item and ensure that sync is successful. |
70 ASSERT_TRUE(AddFolder(0, 0, "folder1")); | 67 ASSERT_TRUE(AddFolder(0, 0, "folder1")); |
71 ASSERT_TRUE(AwaitCommitActivityCompletion(GetSyncService(0))); | 68 ASSERT_TRUE(UpdatedProgressMarkerChecker(GetSyncService(0)).Wait()); |
72 | 69 |
73 GetFakeServer()->DisableNetwork(); | 70 GetFakeServer()->DisableNetwork(); |
74 | 71 |
75 // Add a new item to trigger another sync cycle. | 72 // Add a new item to trigger another sync cycle. |
76 ASSERT_TRUE(AddFolder(0, 0, "folder2")); | 73 ASSERT_TRUE(AddFolder(0, 0, "folder2")); |
77 | 74 |
78 // Verify that the client goes into exponential backoff while it is unable to | 75 // Verify that the client goes into exponential backoff while it is unable to |
79 // reach the sync server. | 76 // reach the sync server. |
80 ExponentialBackoffChecker exponential_backoff_checker(GetSyncService(0)); | 77 ASSERT_TRUE(ExponentialBackoffChecker(GetSyncService(0)).Wait()); |
81 exponential_backoff_checker.Wait(); | |
82 ASSERT_FALSE(exponential_backoff_checker.TimedOut()); | |
83 | 78 |
84 // Trigger network change notification and remember time when it happened. | 79 // Trigger network change notification and remember time when it happened. |
85 // Ensure that scheduler runs canary job immediately. | 80 // Ensure that scheduler runs canary job immediately. |
86 GetFakeServer()->EnableNetwork(); | 81 GetFakeServer()->EnableNetwork(); |
87 net::NetworkChangeNotifier::NotifyObserversOfConnectionTypeChangeForTests( | 82 net::NetworkChangeNotifier::NotifyObserversOfConnectionTypeChangeForTests( |
88 net::NetworkChangeNotifier::CONNECTION_ETHERNET); | 83 net::NetworkChangeNotifier::CONNECTION_ETHERNET); |
89 | 84 |
90 base::Time network_notification_time = base::Time::Now(); | 85 base::Time network_notification_time = base::Time::Now(); |
91 | 86 |
92 // Verify that sync was able to recover. | 87 // Verify that sync was able to recover. |
93 ASSERT_TRUE(AwaitCommitActivityCompletion(GetSyncService(0))); | 88 ASSERT_TRUE(UpdatedProgressMarkerChecker(GetSyncService(0)).Wait()); |
94 ASSERT_TRUE(ModelMatchesVerifier(0)); | 89 ASSERT_TRUE(ModelMatchesVerifier(0)); |
95 | 90 |
96 // Verify that recovery time is short. Without canary job recovery time would | 91 // Verify that recovery time is short. Without canary job recovery time would |
97 // be more than 5 seconds. | 92 // be more than 5 seconds. |
98 base::TimeDelta recovery_time = | 93 base::TimeDelta recovery_time = |
99 GetSyncService(0)->GetLastCycleSnapshot().sync_start_time() - | 94 GetSyncService(0)->GetLastCycleSnapshot().sync_start_time() - |
100 network_notification_time; | 95 network_notification_time; |
101 ASSERT_LE(recovery_time, base::TimeDelta::FromSeconds(2)); | 96 ASSERT_LE(recovery_time, base::TimeDelta::FromSeconds(2)); |
102 } | 97 } |
103 | 98 |
104 IN_PROC_BROWSER_TEST_F(SyncExponentialBackoffTest, TransientErrorTest) { | 99 IN_PROC_BROWSER_TEST_F(SyncExponentialBackoffTest, TransientErrorTest) { |
105 ASSERT_TRUE(SetupSync()) << "SetupSync() failed."; | 100 ASSERT_TRUE(SetupSync()) << "SetupSync() failed."; |
106 | 101 |
107 // Add an item and ensure that sync is successful. | 102 // Add an item and ensure that sync is successful. |
108 ASSERT_TRUE(AddFolder(0, 0, "folder1")); | 103 ASSERT_TRUE(AddFolder(0, 0, "folder1")); |
109 ASSERT_TRUE(AwaitCommitActivityCompletion(GetSyncService(0))); | 104 ASSERT_TRUE(UpdatedProgressMarkerChecker(GetSyncService(0)).Wait()); |
110 | 105 |
111 GetFakeServer()->TriggerError(sync_pb::SyncEnums::TRANSIENT_ERROR); | 106 GetFakeServer()->TriggerError(sync_pb::SyncEnums::TRANSIENT_ERROR); |
112 | 107 |
113 // Add a new item to trigger another sync cycle. | 108 // Add a new item to trigger another sync cycle. |
114 ASSERT_TRUE(AddFolder(0, 0, "folder2")); | 109 ASSERT_TRUE(AddFolder(0, 0, "folder2")); |
115 | 110 |
116 // Verify that the client goes into exponential backoff while it is unable to | 111 // Verify that the client goes into exponential backoff while it is unable to |
117 // reach the sync server. | 112 // reach the sync server. |
118 ExponentialBackoffChecker exponential_backoff_checker(GetSyncService(0)); | 113 ASSERT_TRUE(ExponentialBackoffChecker(GetSyncService(0)).Wait()); |
119 exponential_backoff_checker.Wait(); | |
120 ASSERT_FALSE(exponential_backoff_checker.TimedOut()); | |
121 } | 114 } |
122 | 115 |
123 } // namespace | 116 } // namespace |
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