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1 // Copyright 2014 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 #ifndef SYNC_SYNCABLE_DIRECTORY_UNITTEST_H_
6 #define SYNC_SYNCABLE_DIRECTORY_UNITTEST_H_
7 
8 #include <string>
9 
10 #include "base/basictypes.h"
11 #include "base/message_loop/message_loop.h"
12 #include "sync/syncable/in_memory_directory_backing_store.h"
13 #include "sync/syncable/mutable_entry.h"
14 #include "sync/syncable/syncable_read_transaction.h"
15 #include "sync/syncable/syncable_write_transaction.h"
16 #include "sync/test/engine/test_id_factory.h"
17 #include "sync/test/fake_encryptor.h"
18 #include "sync/test/null_directory_change_delegate.h"
19 #include "sync/test/null_transaction_observer.h"
20 #include "sync/util/test_unrecoverable_error_handler.h"
21 #include "testing/gtest/include/gtest/gtest.h"
22 
23 namespace syncer {
24 
25 namespace syncable {
26 
27 class BaseTransaction;
28 
29 // A test fixture for syncable::Directory.  Uses an in-memory database to keep
30 // the unit tests fast.
31 //
32 // Serves as base class for several other test fixtures.
33 class SyncableDirectoryTest : public testing::Test {
34  protected:
35   static const char kDirectoryName[];
36 
37   SyncableDirectoryTest();
38   virtual ~SyncableDirectoryTest();
39 
40   virtual void SetUp();
41   virtual void TearDown();
42 
43   // Destroys any currently opened directory, creates and opens a new one.
44   //
45   // Returns result of the Open call.
46   DirOpenResult ReopenDirectory();
47 
48   // Creates an empty entry and sets the ID field to a default one.
49   void CreateEntry(const ModelType& model_type, const std::string& entryname);
50 
51   // Creates an empty entry and sets the ID field to id.
52   void CreateEntry(const ModelType& model_type,
53                    const std::string& entryname,
54                    const int id);
55 
56   void CreateEntry(const ModelType& model_type,
57                    const std::string& entryname,
58                    const Id& id);
59 
60   void CreateEntryWithAttachmentMetadata(
61       const ModelType& model_type,
62       const std::string& entryname,
63       const Id& id,
64       const sync_pb::AttachmentMetadata& attachment_metadata);
65 
66   void DeleteEntry(const Id& id);
67 
68   // When a directory is saved then loaded from disk, it will pass through
69   // DropDeletedEntries().  This will remove some entries from the directory.
70   // This function is intended to simulate that process.
71   //
72   // WARNING: The directory will be deleted by this operation.  You should
73   // not have any pointers to the directory (open transactions included)
74   // when you call this.
75   DirOpenResult SimulateSaveAndReloadDir();
76 
77   // This function will close and re-open the directory without saving any
78   // pending changes.  This is intended to simulate the recovery from a crash
79   // scenario.  The same warnings for SimulateSaveAndReloadDir apply here.
80   DirOpenResult SimulateCrashAndReloadDir();
81 
82   void GetAllMetaHandles(BaseTransaction* trans, MetahandleSet* result);
83   void CheckPurgeEntriesWithTypeInSucceeded(ModelTypeSet types_to_purge,
84                                             bool before_reload);
85   bool IsInDirtyMetahandles(int64 metahandle);
86   bool IsInMetahandlesToPurge(int64 metahandle);
87 
88   scoped_ptr<Directory>& dir();
89   DirectoryChangeDelegate* directory_change_delegate();
90   Encryptor* encryptor();
91   UnrecoverableErrorHandler* unrecoverable_error_handler();
92 
93  private:
94   void ValidateEntry(BaseTransaction* trans,
95                      int64 id,
96                      bool check_name,
97                      const std::string& name,
98                      int64 base_version,
99                      int64 server_version,
100                      bool is_del);
101 
102   base::MessageLoop message_loop_;
103   scoped_ptr<Directory> dir_;
104   NullDirectoryChangeDelegate delegate_;
105   FakeEncryptor encryptor_;
106   TestUnrecoverableErrorHandler handler_;
107   sql::Connection connection_;
108 };
109 
110 }  // namespace syncable
111 
112 }  // namespace syncer
113 
114 #endif  // SYNC_SYNCABLE_DIRECTORY_UNITTEST_H_
115