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1 // Copyright 2015 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 SQL_TEST_SQL_TEST_BASE_H_ | |
6 #define SQL_TEST_SQL_TEST_BASE_H_ | |
7 | |
8 #include "base/files/file_path.h" | |
9 #include "base/files/scoped_temp_dir.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "sql/connection.h" | |
12 #include "testing/gtest/include/gtest/gtest.h" | |
13 | |
14 namespace sql { | |
15 | |
16 class Connection; | |
17 | |
18 // Base class for SQL tests. | |
19 // | |
20 // WARNING: We want to run the same gtest based unit test code both against | |
21 // chromium (which uses this implementation here), and the mojo code (which | |
22 // uses a different class named SQLTestBase). These two classes need to have | |
23 // the same interface because we compile time switch them based on a | |
24 // #define. We need to have two different implementations because the mojo | |
25 // version derives from something other than mojo::test::ApplicationTestBase | |
Scott Hess - ex-Googler
2015/06/17 19:32:59
s/something other than//;
Elliot Glaysher
2015/06/17 21:59:35
Done, and fixed in the mojo version too.
| |
26 // instead of testing::Test. | |
27 class SQLTestBase : public testing::Test { | |
28 public: | |
29 SQLTestBase(); | |
30 ~SQLTestBase() override; | |
31 | |
32 enum WriteJunkType { | |
33 TYPE_TRUNCATE_AND_CREATE, | |
34 TYPE_OPEN_AND_APPEND | |
35 }; | |
36 | |
37 // Returns the path to the database. | |
38 base::FilePath db_path(); | |
39 | |
40 // Returns a connection to the database at db_path(). | |
41 sql::Connection& db(); | |
42 | |
43 // Closes the current connection to the database and reopens it. | |
44 bool Reopen(); | |
45 | |
46 // Proxying method around base::PathExists. | |
47 bool GetPathExists(const base::FilePath& path); | |
48 | |
49 // SQLite stores the database size in the header, and if the actual | |
50 // OS-derived size is smaller, the database is considered corrupt. | |
51 // [This case is actually a common form of corruption in the wild.] | |
52 // This helper sets the in-header size to one page larger than the | |
53 // actual file size. The resulting file will return SQLITE_CORRUPT | |
54 // for most operations unless PRAGMA writable_schema is turned ON. | |
55 // | |
56 // Returns false if any error occurs accessing the file. | |
57 bool CorruptSizeInHeaderOfPath(const base::FilePath& path); | |
Scott Hess - ex-Googler
2015/06/17 19:32:58
Should this assume db_path()?
[I was going to say
Elliot Glaysher
2015/06/17 21:59:35
Done.
| |
58 | |
59 // Writes junk to the start of the file. | |
60 void WriteJunkToDatabase(WriteJunkType type); | |
61 | |
62 // Sets the database file size to 0. | |
63 void TruncateDatabase(); | |
64 | |
65 // Overridden from testing::Test: | |
66 void SetUp() override; | |
67 void TearDown() override; | |
68 | |
69 private: | |
70 base::ScopedTempDir temp_dir_; | |
71 sql::Connection db_; | |
72 | |
73 DISALLOW_COPY_AND_ASSIGN(SQLTestBase); | |
74 }; | |
75 | |
76 } // namespace sql | |
77 | |
78 #endif // SQL_TEST_SQL_TEST_BASE_H_ | |
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