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1 // Copyright 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 "sync/engine/process_commit_response_command.h" | |
6 | |
7 #include <vector> | |
8 | |
9 #include "base/location.h" | |
10 #include "base/strings/stringprintf.h" | |
11 #include "sync/internal_api/public/test/test_entry_factory.h" | |
12 #include "sync/protocol/bookmark_specifics.pb.h" | |
13 #include "sync/protocol/sync.pb.h" | |
14 #include "sync/sessions/sync_session.h" | |
15 #include "sync/syncable/entry.h" | |
16 #include "sync/syncable/mutable_entry.h" | |
17 #include "sync/syncable/syncable_id.h" | |
18 #include "sync/syncable/syncable_proto_util.h" | |
19 #include "sync/syncable/syncable_read_transaction.h" | |
20 #include "sync/syncable/syncable_write_transaction.h" | |
21 #include "sync/test/engine/fake_model_worker.h" | |
22 #include "sync/test/engine/syncer_command_test.h" | |
23 #include "sync/test/engine/test_id_factory.h" | |
24 #include "testing/gtest/include/gtest/gtest.h" | |
25 | |
26 using std::string; | |
27 using sync_pb::ClientToServerMessage; | |
28 using sync_pb::CommitResponse; | |
29 | |
30 namespace syncer { | |
31 | |
32 using sessions::SyncSession; | |
33 using syncable::BASE_VERSION; | |
34 using syncable::Entry; | |
35 using syncable::ID; | |
36 using syncable::IS_DIR; | |
37 using syncable::IS_UNSYNCED; | |
38 using syncable::Id; | |
39 using syncable::MutableEntry; | |
40 using syncable::NON_UNIQUE_NAME; | |
41 using syncable::UNIQUE_POSITION; | |
42 using syncable::UNITTEST; | |
43 using syncable::WriteTransaction; | |
44 | |
45 // A test fixture for tests exercising ProcessCommitResponseCommand. | |
46 class ProcessCommitResponseCommandTest : public SyncerCommandTest { | |
47 public: | |
48 virtual void SetUp() { | |
49 workers()->clear(); | |
50 mutable_routing_info()->clear(); | |
51 | |
52 workers()->push_back( | |
53 make_scoped_refptr(new FakeModelWorker(GROUP_DB))); | |
54 workers()->push_back( | |
55 make_scoped_refptr(new FakeModelWorker(GROUP_UI))); | |
56 (*mutable_routing_info())[BOOKMARKS] = GROUP_UI; | |
57 (*mutable_routing_info())[PREFERENCES] = GROUP_UI; | |
58 (*mutable_routing_info())[AUTOFILL] = GROUP_DB; | |
59 | |
60 SyncerCommandTest::SetUp(); | |
61 | |
62 test_entry_factory_.reset(new TestEntryFactory(directory())); | |
63 } | |
64 | |
65 protected: | |
66 | |
67 ProcessCommitResponseCommandTest() | |
68 : next_new_revision_(4000), | |
69 next_server_position_(10000) { | |
70 } | |
71 | |
72 void CheckEntry(Entry* e, const std::string& name, | |
73 ModelType model_type, const Id& parent_id) { | |
74 EXPECT_TRUE(e->good()); | |
75 ASSERT_EQ(name, e->GetNonUniqueName()); | |
76 ASSERT_EQ(model_type, e->GetModelType()); | |
77 ASSERT_EQ(parent_id, e->GetParentId()); | |
78 ASSERT_LT(0, e->GetBaseVersion()) | |
79 << "Item should have a valid (positive) server base revision"; | |
80 } | |
81 | |
82 // Create a new unsynced item in the database, and synthesize a commit record | |
83 // and a commit response for it in the syncer session. If item_id is a local | |
84 // ID, the item will be a create operation. Otherwise, it will be an edit. | |
85 // Returns the metahandle of the newly created item. | |
86 int CreateUnprocessedCommitResult( | |
87 const Id& item_id, | |
88 const Id& parent_id, | |
89 const string& name, | |
90 bool is_folder, | |
91 ModelType model_type, | |
92 sessions::OrderedCommitSet *commit_set, | |
93 sync_pb::ClientToServerMessage *commit, | |
94 sync_pb::ClientToServerResponse *response) { | |
95 int64 metahandle = 0; | |
96 test_entry_factory_->CreateUnsyncedItem(item_id, parent_id, name, | |
97 is_folder, model_type, &metahandle); | |
98 | |
99 // ProcessCommitResponseCommand consumes commit_ids from the session | |
100 // state, so we need to update that. O(n^2) because it's a test. | |
101 commit_set->AddCommitItem(metahandle, model_type); | |
102 | |
103 WriteTransaction trans(FROM_HERE, UNITTEST, directory()); | |
104 MutableEntry entry(&trans, syncable::GET_BY_ID, item_id); | |
105 EXPECT_TRUE(entry.good()); | |
106 entry.PutSyncing(true); | |
107 | |
108 // Add to the commit message. | |
109 // TODO(sync): Use the real commit-building code to construct this. | |
110 commit->set_message_contents(ClientToServerMessage::COMMIT); | |
111 sync_pb::SyncEntity* entity = commit->mutable_commit()->add_entries(); | |
112 entity->set_non_unique_name(entry.GetNonUniqueName()); | |
113 entity->set_folder(entry.GetIsDir()); | |
114 entity->set_parent_id_string( | |
115 SyncableIdToProto(entry.GetParentId())); | |
116 entity->set_version(entry.GetBaseVersion()); | |
117 entity->mutable_specifics()->CopyFrom(entry.GetSpecifics()); | |
118 entity->set_id_string(SyncableIdToProto(item_id)); | |
119 | |
120 if (!entry.GetUniqueClientTag().empty()) { | |
121 entity->set_client_defined_unique_tag( | |
122 entry.GetUniqueClientTag()); | |
123 } | |
124 | |
125 // Add to the response message. | |
126 response->set_error_code(sync_pb::SyncEnums::SUCCESS); | |
127 sync_pb::CommitResponse_EntryResponse* entry_response = | |
128 response->mutable_commit()->add_entryresponse(); | |
129 entry_response->set_response_type(CommitResponse::SUCCESS); | |
130 entry_response->set_name("Garbage."); | |
131 entry_response->set_non_unique_name(entity->name()); | |
132 if (item_id.ServerKnows()) | |
133 entry_response->set_id_string(entity->id_string()); | |
134 else | |
135 entry_response->set_id_string(id_factory_.NewServerId().GetServerId()); | |
136 entry_response->set_version(next_new_revision_++); | |
137 | |
138 // If the ID of our parent item committed earlier in the batch was | |
139 // rewritten, rewrite it in the entry response. This matches | |
140 // the server behavior. | |
141 entry_response->set_parent_id_string(entity->parent_id_string()); | |
142 for (int i = 0; i < commit->commit().entries_size(); ++i) { | |
143 if (commit->commit().entries(i).id_string() == | |
144 entity->parent_id_string()) { | |
145 entry_response->set_parent_id_string( | |
146 response->commit().entryresponse(i).id_string()); | |
147 } | |
148 } | |
149 | |
150 return metahandle; | |
151 } | |
152 | |
153 void SetLastErrorCode(sync_pb::CommitResponse::ResponseType error_code, | |
154 sync_pb::ClientToServerResponse* response) { | |
155 sync_pb::CommitResponse_EntryResponse* entry_response = | |
156 response->mutable_commit()->mutable_entryresponse( | |
157 response->mutable_commit()->entryresponse_size() - 1); | |
158 entry_response->set_response_type(error_code); | |
159 } | |
160 | |
161 TestIdFactory id_factory_; | |
162 scoped_ptr<TestEntryFactory> test_entry_factory_; | |
163 private: | |
164 int64 next_new_revision_; | |
165 int64 next_server_position_; | |
166 DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommandTest); | |
167 }; | |
168 | |
169 TEST_F(ProcessCommitResponseCommandTest, MultipleCommitIdProjections) { | |
170 sessions::OrderedCommitSet commit_set; | |
171 sync_pb::ClientToServerMessage request; | |
172 sync_pb::ClientToServerResponse response; | |
173 | |
174 Id bookmark_folder_id = id_factory_.NewLocalId(); | |
175 int bookmark_folder_handle = CreateUnprocessedCommitResult( | |
176 bookmark_folder_id, id_factory_.root(), "A bookmark folder", true, | |
177 BOOKMARKS, &commit_set, &request, &response); | |
178 int bookmark1_handle = CreateUnprocessedCommitResult( | |
179 id_factory_.NewLocalId(), bookmark_folder_id, "bookmark 1", false, | |
180 BOOKMARKS, &commit_set, &request, &response); | |
181 int bookmark2_handle = CreateUnprocessedCommitResult( | |
182 id_factory_.NewLocalId(), bookmark_folder_id, "bookmark 2", false, | |
183 BOOKMARKS, &commit_set, &request, &response); | |
184 int pref1_handle = CreateUnprocessedCommitResult( | |
185 id_factory_.NewLocalId(), id_factory_.root(), "Pref 1", false, | |
186 PREFERENCES, &commit_set, &request, &response); | |
187 int pref2_handle = CreateUnprocessedCommitResult( | |
188 id_factory_.NewLocalId(), id_factory_.root(), "Pref 2", false, | |
189 PREFERENCES, &commit_set, &request, &response); | |
190 int autofill1_handle = CreateUnprocessedCommitResult( | |
191 id_factory_.NewLocalId(), id_factory_.root(), "Autofill 1", false, | |
192 AUTOFILL, &commit_set, &request, &response); | |
193 int autofill2_handle = CreateUnprocessedCommitResult( | |
194 id_factory_.NewLocalId(), id_factory_.root(), "Autofill 2", false, | |
195 AUTOFILL, &commit_set, &request, &response); | |
196 | |
197 ProcessCommitResponseCommand command(commit_set, request, response); | |
198 command.Execute(session()); | |
199 | |
200 syncable::ReadTransaction trans(FROM_HERE, directory()); | |
201 | |
202 Entry b_folder(&trans, syncable::GET_BY_HANDLE, bookmark_folder_handle); | |
203 ASSERT_TRUE(b_folder.good()); | |
204 | |
205 Id new_fid = b_folder.GetId(); | |
206 ASSERT_FALSE(new_fid.IsRoot()); | |
207 EXPECT_TRUE(new_fid.ServerKnows()); | |
208 EXPECT_FALSE(bookmark_folder_id.ServerKnows()); | |
209 EXPECT_FALSE(new_fid == bookmark_folder_id); | |
210 | |
211 ASSERT_EQ("A bookmark folder", b_folder.GetNonUniqueName()) | |
212 << "Name of bookmark folder should not change."; | |
213 ASSERT_LT(0, b_folder.GetBaseVersion()) | |
214 << "Bookmark folder should have a valid (positive) server base revision"; | |
215 | |
216 // Look at the two bookmarks in bookmark_folder. | |
217 Entry b1(&trans, syncable::GET_BY_HANDLE, bookmark1_handle); | |
218 Entry b2(&trans, syncable::GET_BY_HANDLE, bookmark2_handle); | |
219 CheckEntry(&b1, "bookmark 1", BOOKMARKS, new_fid); | |
220 CheckEntry(&b2, "bookmark 2", BOOKMARKS, new_fid); | |
221 | |
222 // Look at the prefs and autofill items. | |
223 Entry p1(&trans, syncable::GET_BY_HANDLE, pref1_handle); | |
224 Entry p2(&trans, syncable::GET_BY_HANDLE, pref2_handle); | |
225 CheckEntry(&p1, "Pref 1", PREFERENCES, id_factory_.root()); | |
226 CheckEntry(&p2, "Pref 2", PREFERENCES, id_factory_.root()); | |
227 | |
228 Entry a1(&trans, syncable::GET_BY_HANDLE, autofill1_handle); | |
229 Entry a2(&trans, syncable::GET_BY_HANDLE, autofill2_handle); | |
230 CheckEntry(&a1, "Autofill 1", AUTOFILL, id_factory_.root()); | |
231 CheckEntry(&a2, "Autofill 2", AUTOFILL, id_factory_.root()); | |
232 } | |
233 | |
234 // In this test, we test processing a commit response for a commit batch that | |
235 // includes a newly created folder and some (but not all) of its children. | |
236 // In particular, the folder has 50 children, which alternate between being | |
237 // new items and preexisting items. This mixture of new and old is meant to | |
238 // be a torture test of the code in ProcessCommitResponseCommand that changes | |
239 // an item's ID from a local ID to a server-generated ID on the first commit. | |
240 // We commit only the first 25 children in the sibling order, leaving the | |
241 // second 25 children as unsynced items. http://crbug.com/33081 describes | |
242 // how this scenario used to fail, reversing the order for the second half | |
243 // of the children. | |
244 TEST_F(ProcessCommitResponseCommandTest, NewFolderCommitKeepsChildOrder) { | |
245 sessions::OrderedCommitSet commit_set; | |
246 sync_pb::ClientToServerMessage request; | |
247 sync_pb::ClientToServerResponse response; | |
248 | |
249 // Create the parent folder, a new item whose ID will change on commit. | |
250 Id folder_id = id_factory_.NewLocalId(); | |
251 CreateUnprocessedCommitResult(folder_id, id_factory_.root(), | |
252 "A", true, BOOKMARKS, | |
253 &commit_set, &request, &response); | |
254 | |
255 // Verify that the item is reachable. | |
256 { | |
257 syncable::ReadTransaction trans(FROM_HERE, directory()); | |
258 syncable::Entry root(&trans, syncable::GET_BY_ID, id_factory_.root()); | |
259 ASSERT_TRUE(root.good()); | |
260 Id child_id = root.GetFirstChildId(); | |
261 ASSERT_EQ(folder_id, child_id); | |
262 } | |
263 | |
264 // The first 25 children of the parent folder will be part of the commit | |
265 // batch. They will be placed left to right in order of creation. | |
266 int batch_size = 25; | |
267 int i = 0; | |
268 Id prev_id = TestIdFactory::root(); | |
269 for (; i < batch_size; ++i) { | |
270 // Alternate between new and old child items, just for kicks. | |
271 Id id = (i % 4 < 2) ? id_factory_.NewLocalId() : id_factory_.NewServerId(); | |
272 int64 handle = CreateUnprocessedCommitResult( | |
273 id, folder_id, base::StringPrintf("Item %d", i), false, | |
274 BOOKMARKS, &commit_set, &request, &response); | |
275 { | |
276 syncable::WriteTransaction trans(FROM_HERE, UNITTEST, directory()); | |
277 syncable::MutableEntry e(&trans, syncable::GET_BY_HANDLE, handle); | |
278 ASSERT_TRUE(e.good()); | |
279 e.PutPredecessor(prev_id); | |
280 } | |
281 prev_id = id; | |
282 } | |
283 // The second 25 children will be unsynced items but NOT part of the commit | |
284 // batch. When the ID of the parent folder changes during the commit, | |
285 // these items PARENT_ID should be updated, and their ordering should be | |
286 // preserved. | |
287 for (; i < 2*batch_size; ++i) { | |
288 // Alternate between new and old child items, just for kicks. | |
289 Id id = (i % 4 < 2) ? id_factory_.NewLocalId() : id_factory_.NewServerId(); | |
290 int64 handle = -1; | |
291 test_entry_factory_->CreateUnsyncedItem( | |
292 id, folder_id, base::StringPrintf("Item %d", i), | |
293 false, BOOKMARKS, &handle); | |
294 { | |
295 syncable::WriteTransaction trans(FROM_HERE, UNITTEST, directory()); | |
296 syncable::MutableEntry e(&trans, syncable::GET_BY_HANDLE, handle); | |
297 ASSERT_TRUE(e.good()); | |
298 e.PutPredecessor(prev_id); | |
299 } | |
300 prev_id = id; | |
301 } | |
302 | |
303 // Process the commit response for the parent folder and the first | |
304 // 25 items. This should apply the values indicated by | |
305 // each CommitResponse_EntryResponse to the syncable Entries. All new | |
306 // items in the commit batch should have their IDs changed to server IDs. | |
307 ProcessCommitResponseCommand command(commit_set, request, response); | |
308 command.Execute(session()); | |
309 | |
310 syncable::ReadTransaction trans(FROM_HERE, directory()); | |
311 // Lookup the parent folder by finding a child of the root. We can't use | |
312 // folder_id here, because it changed during the commit. | |
313 syncable::Entry root(&trans, syncable::GET_BY_ID, id_factory_.root()); | |
314 ASSERT_TRUE(root.good()); | |
315 Id new_fid = root.GetFirstChildId(); | |
316 ASSERT_FALSE(new_fid.IsRoot()); | |
317 EXPECT_TRUE(new_fid.ServerKnows()); | |
318 EXPECT_FALSE(folder_id.ServerKnows()); | |
319 EXPECT_TRUE(new_fid != folder_id); | |
320 Entry parent(&trans, syncable::GET_BY_ID, new_fid); | |
321 ASSERT_TRUE(parent.good()); | |
322 ASSERT_EQ("A", parent.GetNonUniqueName()) | |
323 << "Name of parent folder should not change."; | |
324 ASSERT_LT(0, parent.GetBaseVersion()) | |
325 << "Parent should have a valid (positive) server base revision"; | |
326 | |
327 Id cid = parent.GetFirstChildId(); | |
328 | |
329 int child_count = 0; | |
330 // Now loop over all the children of the parent folder, verifying | |
331 // that they are in their original order by checking to see that their | |
332 // names are still sequential. | |
333 while (!cid.IsRoot()) { | |
334 SCOPED_TRACE(::testing::Message("Examining item #") << child_count); | |
335 Entry c(&trans, syncable::GET_BY_ID, cid); | |
336 DCHECK(c.good()); | |
337 ASSERT_EQ(base::StringPrintf("Item %d", child_count), | |
338 c.GetNonUniqueName()); | |
339 ASSERT_EQ(new_fid, c.GetParentId()); | |
340 if (child_count < batch_size) { | |
341 ASSERT_FALSE(c.GetIsUnsynced()) << "Item should be committed"; | |
342 ASSERT_TRUE(cid.ServerKnows()); | |
343 ASSERT_LT(0, c.GetBaseVersion()); | |
344 } else { | |
345 ASSERT_TRUE(c.GetIsUnsynced()) << "Item should be uncommitted"; | |
346 // We alternated between creates and edits; double check that these items | |
347 // have been preserved. | |
348 if (child_count % 4 < 2) { | |
349 ASSERT_FALSE(cid.ServerKnows()); | |
350 ASSERT_GE(0, c.GetBaseVersion()); | |
351 } else { | |
352 ASSERT_TRUE(cid.ServerKnows()); | |
353 ASSERT_LT(0, c.GetBaseVersion()); | |
354 } | |
355 } | |
356 cid = c.GetSuccessorId(); | |
357 child_count++; | |
358 } | |
359 ASSERT_EQ(batch_size*2, child_count) | |
360 << "Too few or too many children in parent folder after commit."; | |
361 } | |
362 | |
363 } // namespace syncer | |
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