[email protected] | 44ad7d90 | 2012-03-23 00:09:05 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 5 | #include "base/bind.h" |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 6 | #include "base/file_util.h" |
[email protected] | ea1a3f6 | 2012-11-16 20:34:23 | [diff] [blame] | 7 | #include "base/files/scoped_temp_dir.h" |
[email protected] | 41a97c81 | 2013-02-07 02:35:38 | [diff] [blame] | 8 | #include "base/logging.h" |
[email protected] | f0a54b2 | 2011-07-19 18:40:21 | [diff] [blame] | 9 | #include "sql/connection.h" |
[email protected] | 1348765a | 2012-07-24 08:25:53 | [diff] [blame] | 10 | #include "sql/meta_table.h" |
[email protected] | ea1a3f6 | 2012-11-16 20:34:23 | [diff] [blame] | 11 | #include "sql/statement.h" |
[email protected] | 98cf300 | 2013-07-12 01:38:56 | [diff] [blame] | 12 | #include "sql/test/error_callback_support.h" |
[email protected] | 4350e32 | 2013-06-18 22:18:10 | [diff] [blame] | 13 | #include "sql/test/scoped_error_ignorer.h" |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 14 | #include "testing/gtest/include/gtest/gtest.h" |
[email protected] | e33cba4 | 2010-08-18 23:37:03 | [diff] [blame] | 15 | #include "third_party/sqlite/sqlite3.h" |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 16 | |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 17 | namespace { |
| 18 | |
| 19 | // Helper to return the count of items in sqlite_master. Return -1 in |
| 20 | // case of error. |
| 21 | int SqliteMasterCount(sql::Connection* db) { |
| 22 | const char* kMasterCount = "SELECT COUNT(*) FROM sqlite_master"; |
| 23 | sql::Statement s(db->GetUniqueStatement(kMasterCount)); |
| 24 | return s.Step() ? s.ColumnInt(0) : -1; |
| 25 | } |
| 26 | |
[email protected] | 98cf300 | 2013-07-12 01:38:56 | [diff] [blame] | 27 | // Track the number of valid references which share the same pointer. |
| 28 | // This is used to allow testing an implicitly use-after-free case by |
| 29 | // explicitly having the ref count live longer than the object. |
| 30 | class RefCounter { |
| 31 | public: |
| 32 | RefCounter(size_t* counter) |
| 33 | : counter_(counter) { |
| 34 | (*counter_)++; |
| 35 | } |
| 36 | RefCounter(const RefCounter& other) |
| 37 | : counter_(other.counter_) { |
| 38 | (*counter_)++; |
| 39 | } |
| 40 | ~RefCounter() { |
| 41 | (*counter_)--; |
| 42 | } |
| 43 | |
| 44 | private: |
| 45 | size_t* counter_; |
| 46 | |
| 47 | DISALLOW_ASSIGN(RefCounter); |
| 48 | }; |
| 49 | |
| 50 | // Empty callback for implementation of ErrorCallbackSetHelper(). |
| 51 | void IgnoreErrorCallback(int error, sql::Statement* stmt) { |
| 52 | } |
| 53 | |
| 54 | void ErrorCallbackSetHelper(sql::Connection* db, |
| 55 | size_t* counter, |
| 56 | const RefCounter& r, |
| 57 | int error, sql::Statement* stmt) { |
| 58 | // The ref count should not go to zero when changing the callback. |
| 59 | EXPECT_GT(*counter, 0u); |
| 60 | db->set_error_callback(base::Bind(&IgnoreErrorCallback)); |
| 61 | EXPECT_GT(*counter, 0u); |
| 62 | } |
| 63 | |
| 64 | void ErrorCallbackResetHelper(sql::Connection* db, |
| 65 | size_t* counter, |
| 66 | const RefCounter& r, |
| 67 | int error, sql::Statement* stmt) { |
| 68 | // The ref count should not go to zero when clearing the callback. |
| 69 | EXPECT_GT(*counter, 0u); |
| 70 | db->reset_error_callback(); |
| 71 | EXPECT_GT(*counter, 0u); |
| 72 | } |
| 73 | |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 74 | class SQLConnectionTest : public testing::Test { |
| 75 | public: |
| 76 | SQLConnectionTest() {} |
| 77 | |
[email protected] | 3dbbf7d | 2013-02-06 18:13:53 | [diff] [blame] | 78 | virtual void SetUp() { |
[email protected] | 3a305db | 2011-04-12 13:40:53 | [diff] [blame] | 79 | ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 80 | ASSERT_TRUE(db_.Open(db_path())); |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 81 | } |
| 82 | |
[email protected] | 3dbbf7d | 2013-02-06 18:13:53 | [diff] [blame] | 83 | virtual void TearDown() { |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 84 | db_.Close(); |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | sql::Connection& db() { return db_; } |
| 88 | |
[email protected] | a3ef483 | 2013-02-02 05:12:33 | [diff] [blame] | 89 | base::FilePath db_path() { |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 90 | return temp_dir_.path().AppendASCII("SQLConnectionTest.db"); |
| 91 | } |
| 92 | |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 93 | // Handle errors by blowing away the database. |
| 94 | void RazeErrorCallback(int expected_error, int error, sql::Statement* stmt) { |
| 95 | EXPECT_EQ(expected_error, error); |
| 96 | db_.RazeAndClose(); |
| 97 | } |
| 98 | |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 99 | private: |
[email protected] | ea1a3f6 | 2012-11-16 20:34:23 | [diff] [blame] | 100 | base::ScopedTempDir temp_dir_; |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 101 | sql::Connection db_; |
| 102 | }; |
| 103 | |
| 104 | TEST_F(SQLConnectionTest, Execute) { |
| 105 | // Valid statement should return true. |
| 106 | ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| 107 | EXPECT_EQ(SQLITE_OK, db().GetErrorCode()); |
| 108 | |
| 109 | // Invalid statement should fail. |
[email protected] | eff1fa52 | 2011-12-12 23:50:59 | [diff] [blame] | 110 | ASSERT_EQ(SQLITE_ERROR, |
| 111 | db().ExecuteAndReturnErrorCode("CREATE TAB foo (a, b")); |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 112 | EXPECT_EQ(SQLITE_ERROR, db().GetErrorCode()); |
| 113 | } |
| 114 | |
[email protected] | eff1fa52 | 2011-12-12 23:50:59 | [diff] [blame] | 115 | TEST_F(SQLConnectionTest, ExecuteWithErrorCode) { |
| 116 | ASSERT_EQ(SQLITE_OK, |
| 117 | db().ExecuteAndReturnErrorCode("CREATE TABLE foo (a, b)")); |
| 118 | ASSERT_EQ(SQLITE_ERROR, |
| 119 | db().ExecuteAndReturnErrorCode("CREATE TABLE TABLE")); |
| 120 | ASSERT_EQ(SQLITE_ERROR, |
| 121 | db().ExecuteAndReturnErrorCode( |
| 122 | "INSERT INTO foo(a, b) VALUES (1, 2, 3, 4)")); |
| 123 | } |
| 124 | |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 125 | TEST_F(SQLConnectionTest, CachedStatement) { |
| 126 | sql::StatementID id1("foo", 12); |
| 127 | |
| 128 | ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| 129 | ASSERT_TRUE(db().Execute("INSERT INTO foo(a, b) VALUES (12, 13)")); |
| 130 | |
| 131 | // Create a new cached statement. |
| 132 | { |
| 133 | sql::Statement s(db().GetCachedStatement(id1, "SELECT a FROM foo")); |
[email protected] | eff1fa52 | 2011-12-12 23:50:59 | [diff] [blame] | 134 | ASSERT_TRUE(s.is_valid()); |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 135 | |
| 136 | ASSERT_TRUE(s.Step()); |
| 137 | EXPECT_EQ(12, s.ColumnInt(0)); |
| 138 | } |
| 139 | |
| 140 | // The statement should be cached still. |
| 141 | EXPECT_TRUE(db().HasCachedStatement(id1)); |
| 142 | |
| 143 | { |
| 144 | // Get the same statement using different SQL. This should ignore our |
| 145 | // SQL and use the cached one (so it will be valid). |
| 146 | sql::Statement s(db().GetCachedStatement(id1, "something invalid(")); |
[email protected] | eff1fa52 | 2011-12-12 23:50:59 | [diff] [blame] | 147 | ASSERT_TRUE(s.is_valid()); |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 148 | |
| 149 | ASSERT_TRUE(s.Step()); |
| 150 | EXPECT_EQ(12, s.ColumnInt(0)); |
| 151 | } |
| 152 | |
| 153 | // Make sure other statements aren't marked as cached. |
| 154 | EXPECT_FALSE(db().HasCachedStatement(SQL_FROM_HERE)); |
| 155 | } |
| 156 | |
[email protected] | eff1fa52 | 2011-12-12 23:50:59 | [diff] [blame] | 157 | TEST_F(SQLConnectionTest, IsSQLValidTest) { |
| 158 | ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| 159 | ASSERT_TRUE(db().IsSQLValid("SELECT a FROM foo")); |
| 160 | ASSERT_FALSE(db().IsSQLValid("SELECT no_exist FROM foo")); |
| 161 | } |
| 162 | |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 163 | TEST_F(SQLConnectionTest, DoesStuffExist) { |
| 164 | // Test DoesTableExist. |
| 165 | EXPECT_FALSE(db().DoesTableExist("foo")); |
| 166 | ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| 167 | EXPECT_TRUE(db().DoesTableExist("foo")); |
| 168 | |
| 169 | // Should be case sensitive. |
| 170 | EXPECT_FALSE(db().DoesTableExist("FOO")); |
| 171 | |
| 172 | // Test DoesColumnExist. |
| 173 | EXPECT_FALSE(db().DoesColumnExist("foo", "bar")); |
| 174 | EXPECT_TRUE(db().DoesColumnExist("foo", "a")); |
| 175 | |
[email protected] | e7afe245 | 2010-08-22 16:19:13 | [diff] [blame] | 176 | // Testing for a column on a nonexistent table. |
[email protected] | e5ffd0e4 | 2009-09-11 21:30:56 | [diff] [blame] | 177 | EXPECT_FALSE(db().DoesColumnExist("bar", "b")); |
| 178 | } |
| 179 | |
| 180 | TEST_F(SQLConnectionTest, GetLastInsertRowId) { |
| 181 | ASSERT_TRUE(db().Execute("CREATE TABLE foo (id INTEGER PRIMARY KEY, value)")); |
| 182 | |
| 183 | ASSERT_TRUE(db().Execute("INSERT INTO foo (value) VALUES (12)")); |
| 184 | |
| 185 | // Last insert row ID should be valid. |
| 186 | int64 row = db().GetLastInsertRowId(); |
| 187 | EXPECT_LT(0, row); |
| 188 | |
| 189 | // It should be the primary key of the row we just inserted. |
| 190 | sql::Statement s(db().GetUniqueStatement("SELECT value FROM foo WHERE id=?")); |
| 191 | s.BindInt64(0, row); |
| 192 | ASSERT_TRUE(s.Step()); |
| 193 | EXPECT_EQ(12, s.ColumnInt(0)); |
| 194 | } |
[email protected] | 44ad7d90 | 2012-03-23 00:09:05 | [diff] [blame] | 195 | |
| 196 | TEST_F(SQLConnectionTest, Rollback) { |
| 197 | ASSERT_TRUE(db().BeginTransaction()); |
| 198 | ASSERT_TRUE(db().BeginTransaction()); |
| 199 | EXPECT_EQ(2, db().transaction_nesting()); |
| 200 | db().RollbackTransaction(); |
| 201 | EXPECT_FALSE(db().CommitTransaction()); |
| 202 | EXPECT_TRUE(db().BeginTransaction()); |
| 203 | } |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 204 | |
[email protected] | 4350e32 | 2013-06-18 22:18:10 | [diff] [blame] | 205 | // Test the scoped error ignorer by attempting to insert a duplicate |
| 206 | // value into an index. |
| 207 | TEST_F(SQLConnectionTest, ScopedIgnoreError) { |
| 208 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER UNIQUE)"; |
| 209 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 210 | ASSERT_TRUE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 211 | |
| 212 | sql::ScopedErrorIgnorer ignore_errors; |
| 213 | ignore_errors.IgnoreError(SQLITE_CONSTRAINT); |
| 214 | ASSERT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 215 | ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); |
| 216 | } |
| 217 | |
[email protected] | 98cf300 | 2013-07-12 01:38:56 | [diff] [blame] | 218 | TEST_F(SQLConnectionTest, ErrorCallback) { |
| 219 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER UNIQUE)"; |
| 220 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 221 | ASSERT_TRUE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 222 | |
| 223 | int error = SQLITE_OK; |
| 224 | { |
| 225 | sql::ScopedErrorCallback sec( |
| 226 | &db(), base::Bind(&sql::CaptureErrorCallback, &error)); |
| 227 | |
| 228 | // Inserting something other than a number into the primary key |
| 229 | // should result in the callback seeing SQLITE_MISMATCH. |
| 230 | EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 231 | EXPECT_EQ(SQLITE_CONSTRAINT, error); |
| 232 | } |
| 233 | |
| 234 | // Callback is no longer in force due to reset. |
| 235 | { |
| 236 | error = SQLITE_OK; |
| 237 | sql::ScopedErrorIgnorer ignore_errors; |
| 238 | ignore_errors.IgnoreError(SQLITE_CONSTRAINT); |
| 239 | ASSERT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 240 | ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); |
| 241 | EXPECT_EQ(SQLITE_OK, error); |
| 242 | } |
| 243 | |
| 244 | // base::Bind() can curry arguments to be passed by const reference |
| 245 | // to the callback function. If the callback function causes |
| 246 | // re/set_error_callback() to be called, the storage for those |
| 247 | // arguments can be deleted. |
| 248 | // |
| 249 | // RefCounter() counts how many objects are live using an external |
| 250 | // count. The same counter is passed to the callback, so that it |
| 251 | // can check directly even if the RefCounter object is no longer |
| 252 | // live. |
| 253 | { |
| 254 | size_t count = 0; |
| 255 | sql::ScopedErrorCallback sec( |
| 256 | &db(), base::Bind(&ErrorCallbackSetHelper, |
| 257 | &db(), &count, RefCounter(&count))); |
| 258 | |
| 259 | EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 260 | } |
| 261 | |
| 262 | // Same test, but reset_error_callback() case. |
| 263 | { |
| 264 | size_t count = 0; |
| 265 | sql::ScopedErrorCallback sec( |
| 266 | &db(), base::Bind(&ErrorCallbackResetHelper, |
| 267 | &db(), &count, RefCounter(&count))); |
| 268 | |
| 269 | EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| 270 | } |
| 271 | } |
| 272 | |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 273 | // Test that sql::Connection::Raze() results in a database without the |
| 274 | // tables from the original database. |
| 275 | TEST_F(SQLConnectionTest, Raze) { |
| 276 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 277 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 278 | ASSERT_TRUE(db().Execute("INSERT INTO foo (value) VALUES (12)")); |
| 279 | |
[email protected] | 69c5845 | 2012-08-06 19:22:42 | [diff] [blame] | 280 | int pragma_auto_vacuum = 0; |
| 281 | { |
| 282 | sql::Statement s(db().GetUniqueStatement("PRAGMA auto_vacuum")); |
| 283 | ASSERT_TRUE(s.Step()); |
| 284 | pragma_auto_vacuum = s.ColumnInt(0); |
| 285 | ASSERT_TRUE(pragma_auto_vacuum == 0 || pragma_auto_vacuum == 1); |
| 286 | } |
| 287 | |
| 288 | // If auto_vacuum is set, there's an extra page to maintain a freelist. |
| 289 | const int kExpectedPageCount = 2 + pragma_auto_vacuum; |
| 290 | |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 291 | { |
| 292 | sql::Statement s(db().GetUniqueStatement("PRAGMA page_count")); |
| 293 | ASSERT_TRUE(s.Step()); |
[email protected] | 69c5845 | 2012-08-06 19:22:42 | [diff] [blame] | 294 | EXPECT_EQ(kExpectedPageCount, s.ColumnInt(0)); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | { |
| 298 | sql::Statement s(db().GetUniqueStatement("SELECT * FROM sqlite_master")); |
| 299 | ASSERT_TRUE(s.Step()); |
| 300 | EXPECT_EQ("table", s.ColumnString(0)); |
| 301 | EXPECT_EQ("foo", s.ColumnString(1)); |
| 302 | EXPECT_EQ("foo", s.ColumnString(2)); |
[email protected] | 69c5845 | 2012-08-06 19:22:42 | [diff] [blame] | 303 | // Table "foo" is stored in the last page of the file. |
| 304 | EXPECT_EQ(kExpectedPageCount, s.ColumnInt(3)); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 305 | EXPECT_EQ(kCreateSql, s.ColumnString(4)); |
| 306 | } |
| 307 | |
| 308 | ASSERT_TRUE(db().Raze()); |
| 309 | |
| 310 | { |
| 311 | sql::Statement s(db().GetUniqueStatement("PRAGMA page_count")); |
| 312 | ASSERT_TRUE(s.Step()); |
| 313 | EXPECT_EQ(1, s.ColumnInt(0)); |
| 314 | } |
| 315 | |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 316 | ASSERT_EQ(0, SqliteMasterCount(&db())); |
[email protected] | 69c5845 | 2012-08-06 19:22:42 | [diff] [blame] | 317 | |
| 318 | { |
| 319 | sql::Statement s(db().GetUniqueStatement("PRAGMA auto_vacuum")); |
| 320 | ASSERT_TRUE(s.Step()); |
[email protected] | 6d42f15 | 2012-11-10 00:38:24 | [diff] [blame] | 321 | // The new database has the same auto_vacuum as a fresh database. |
[email protected] | 69c5845 | 2012-08-06 19:22:42 | [diff] [blame] | 322 | EXPECT_EQ(pragma_auto_vacuum, s.ColumnInt(0)); |
| 323 | } |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | // Test that Raze() maintains page_size. |
| 327 | TEST_F(SQLConnectionTest, RazePageSize) { |
[email protected] | e73e8922 | 2012-07-13 18:55:22 | [diff] [blame] | 328 | // Fetch the default page size and double it for use in this test. |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 329 | // Scoped to release statement before Close(). |
[email protected] | e73e8922 | 2012-07-13 18:55:22 | [diff] [blame] | 330 | int default_page_size = 0; |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 331 | { |
| 332 | sql::Statement s(db().GetUniqueStatement("PRAGMA page_size")); |
| 333 | ASSERT_TRUE(s.Step()); |
[email protected] | e73e8922 | 2012-07-13 18:55:22 | [diff] [blame] | 334 | default_page_size = s.ColumnInt(0); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 335 | } |
[email protected] | e73e8922 | 2012-07-13 18:55:22 | [diff] [blame] | 336 | ASSERT_GT(default_page_size, 0); |
| 337 | const int kPageSize = 2 * default_page_size; |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 338 | |
| 339 | // Re-open the database to allow setting the page size. |
| 340 | db().Close(); |
| 341 | db().set_page_size(kPageSize); |
| 342 | ASSERT_TRUE(db().Open(db_path())); |
| 343 | |
| 344 | // page_size should match the indicated value. |
| 345 | sql::Statement s(db().GetUniqueStatement("PRAGMA page_size")); |
| 346 | ASSERT_TRUE(s.Step()); |
| 347 | ASSERT_EQ(kPageSize, s.ColumnInt(0)); |
| 348 | |
| 349 | // After raze, page_size should still match the indicated value. |
| 350 | ASSERT_TRUE(db().Raze()); |
[email protected] | 389e0a4 | 2012-04-25 21:36:41 | [diff] [blame] | 351 | s.Reset(true); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 352 | ASSERT_TRUE(s.Step()); |
| 353 | ASSERT_EQ(kPageSize, s.ColumnInt(0)); |
| 354 | } |
| 355 | |
| 356 | // Test that Raze() results are seen in other connections. |
| 357 | TEST_F(SQLConnectionTest, RazeMultiple) { |
| 358 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 359 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 360 | |
| 361 | sql::Connection other_db; |
| 362 | ASSERT_TRUE(other_db.Open(db_path())); |
| 363 | |
| 364 | // Check that the second connection sees the table. |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 365 | ASSERT_EQ(1, SqliteMasterCount(&other_db)); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 366 | |
| 367 | ASSERT_TRUE(db().Raze()); |
| 368 | |
| 369 | // The second connection sees the updated database. |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 370 | ASSERT_EQ(0, SqliteMasterCount(&other_db)); |
[email protected] | 8e0c0128 | 2012-04-06 19:36:49 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | TEST_F(SQLConnectionTest, RazeLocked) { |
| 374 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 375 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 376 | |
| 377 | // Open a transaction and write some data in a second connection. |
| 378 | // This will acquire a PENDING or EXCLUSIVE transaction, which will |
| 379 | // cause the raze to fail. |
| 380 | sql::Connection other_db; |
| 381 | ASSERT_TRUE(other_db.Open(db_path())); |
| 382 | ASSERT_TRUE(other_db.BeginTransaction()); |
| 383 | const char* kInsertSql = "INSERT INTO foo VALUES (1, 'data')"; |
| 384 | ASSERT_TRUE(other_db.Execute(kInsertSql)); |
| 385 | |
| 386 | ASSERT_FALSE(db().Raze()); |
| 387 | |
| 388 | // Works after COMMIT. |
| 389 | ASSERT_TRUE(other_db.CommitTransaction()); |
| 390 | ASSERT_TRUE(db().Raze()); |
| 391 | |
| 392 | // Re-create the database. |
| 393 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 394 | ASSERT_TRUE(db().Execute(kInsertSql)); |
| 395 | |
| 396 | // An unfinished read transaction in the other connection also |
| 397 | // blocks raze. |
| 398 | const char *kQuery = "SELECT COUNT(*) FROM foo"; |
| 399 | sql::Statement s(other_db.GetUniqueStatement(kQuery)); |
| 400 | ASSERT_TRUE(s.Step()); |
| 401 | ASSERT_FALSE(db().Raze()); |
| 402 | |
| 403 | // Complete the statement unlocks the database. |
| 404 | ASSERT_FALSE(s.Step()); |
| 405 | ASSERT_TRUE(db().Raze()); |
| 406 | } |
| 407 | |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 408 | // Verify that Raze() can handle an empty file. SQLite should treat |
| 409 | // this as an empty database. |
| 410 | TEST_F(SQLConnectionTest, RazeEmptyDB) { |
| 411 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 412 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 413 | db().Close(); |
| 414 | |
| 415 | { |
| 416 | file_util::ScopedFILE file(file_util::OpenFile(db_path(), "r+")); |
| 417 | ASSERT_TRUE(file.get() != NULL); |
| 418 | ASSERT_EQ(0, fseek(file.get(), 0, SEEK_SET)); |
| 419 | ASSERT_TRUE(file_util::TruncateFile(file.get())); |
| 420 | } |
| 421 | |
| 422 | ASSERT_TRUE(db().Open(db_path())); |
| 423 | ASSERT_TRUE(db().Raze()); |
| 424 | EXPECT_EQ(0, SqliteMasterCount(&db())); |
| 425 | } |
| 426 | |
| 427 | // Verify that Raze() can handle a file of junk. |
| 428 | TEST_F(SQLConnectionTest, RazeNOTADB) { |
| 429 | db().Close(); |
| 430 | sql::Connection::Delete(db_path()); |
[email protected] | 756748414 | 2013-07-11 17:36:07 | [diff] [blame] | 431 | ASSERT_FALSE(base::PathExists(db_path())); |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 432 | |
| 433 | { |
| 434 | file_util::ScopedFILE file(file_util::OpenFile(db_path(), "w")); |
| 435 | ASSERT_TRUE(file.get() != NULL); |
| 436 | |
| 437 | const char* kJunk = "This is the hour of our discontent."; |
| 438 | fputs(kJunk, file.get()); |
| 439 | } |
[email protected] | 756748414 | 2013-07-11 17:36:07 | [diff] [blame] | 440 | ASSERT_TRUE(base::PathExists(db_path())); |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 441 | |
| 442 | // SQLite will successfully open the handle, but will fail with |
| 443 | // SQLITE_IOERR_SHORT_READ on pragma statemenets which read the |
| 444 | // header. |
| 445 | { |
| 446 | sql::ScopedErrorIgnorer ignore_errors; |
| 447 | ignore_errors.IgnoreError(SQLITE_IOERR_SHORT_READ); |
| 448 | EXPECT_TRUE(db().Open(db_path())); |
| 449 | ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); |
| 450 | } |
| 451 | EXPECT_TRUE(db().Raze()); |
| 452 | db().Close(); |
| 453 | |
| 454 | // Now empty, the open should open an empty database. |
| 455 | EXPECT_TRUE(db().Open(db_path())); |
| 456 | EXPECT_EQ(0, SqliteMasterCount(&db())); |
| 457 | } |
| 458 | |
| 459 | // Verify that Raze() can handle a database overwritten with garbage. |
| 460 | TEST_F(SQLConnectionTest, RazeNOTADB2) { |
| 461 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 462 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 463 | ASSERT_EQ(1, SqliteMasterCount(&db())); |
| 464 | db().Close(); |
| 465 | |
| 466 | { |
| 467 | file_util::ScopedFILE file(file_util::OpenFile(db_path(), "r+")); |
| 468 | ASSERT_TRUE(file.get() != NULL); |
| 469 | ASSERT_EQ(0, fseek(file.get(), 0, SEEK_SET)); |
| 470 | |
| 471 | const char* kJunk = "This is the hour of our discontent."; |
| 472 | fputs(kJunk, file.get()); |
| 473 | } |
| 474 | |
| 475 | // SQLite will successfully open the handle, but will fail with |
| 476 | // SQLITE_NOTADB on pragma statemenets which attempt to read the |
| 477 | // corrupted header. |
| 478 | { |
| 479 | sql::ScopedErrorIgnorer ignore_errors; |
| 480 | ignore_errors.IgnoreError(SQLITE_NOTADB); |
| 481 | EXPECT_TRUE(db().Open(db_path())); |
| 482 | ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); |
| 483 | } |
| 484 | EXPECT_TRUE(db().Raze()); |
| 485 | db().Close(); |
| 486 | |
| 487 | // Now empty, the open should succeed with an empty database. |
| 488 | EXPECT_TRUE(db().Open(db_path())); |
| 489 | EXPECT_EQ(0, SqliteMasterCount(&db())); |
| 490 | } |
| 491 | |
| 492 | // Test that a callback from Open() can raze the database. This is |
| 493 | // essential for cases where the Open() can fail entirely, so the |
[email protected] | fed734a | 2013-07-17 04:45:13 | [diff] [blame^] | 494 | // Raze() cannot happen later. Additionally test that when the |
| 495 | // callback does this during Open(), the open is retried and succeeds. |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 496 | // |
| 497 | // Most corruptions seen in the wild seem to happen when two pages in |
| 498 | // the database were not written transactionally (the transaction |
| 499 | // changed both, but one wasn't successfully written for some reason). |
| 500 | // A special case of that is when the header indicates that the |
| 501 | // database contains more pages than are in the file. This breaks |
| 502 | // things at a very basic level, verify that Raze() can handle it. |
[email protected] | fed734a | 2013-07-17 04:45:13 | [diff] [blame^] | 503 | TEST_F(SQLConnectionTest, RazeCallbackReopen) { |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 504 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 505 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 506 | ASSERT_EQ(1, SqliteMasterCount(&db())); |
| 507 | int page_size = 0; |
| 508 | { |
| 509 | sql::Statement s(db().GetUniqueStatement("PRAGMA page_size")); |
| 510 | ASSERT_TRUE(s.Step()); |
| 511 | page_size = s.ColumnInt(0); |
| 512 | } |
| 513 | db().Close(); |
| 514 | |
| 515 | // Trim a single page from the end of the file. |
| 516 | { |
| 517 | file_util::ScopedFILE file(file_util::OpenFile(db_path(), "r+")); |
| 518 | ASSERT_TRUE(file.get() != NULL); |
| 519 | ASSERT_EQ(0, fseek(file.get(), -page_size, SEEK_END)); |
| 520 | ASSERT_TRUE(file_util::TruncateFile(file.get())); |
| 521 | } |
| 522 | |
[email protected] | fed734a | 2013-07-17 04:45:13 | [diff] [blame^] | 523 | // Open() will succeed, even though the PRAGMA calls within will |
| 524 | // fail with SQLITE_CORRUPT, as will this PRAGMA. |
| 525 | { |
| 526 | sql::ScopedErrorIgnorer ignore_errors; |
| 527 | ignore_errors.IgnoreError(SQLITE_CORRUPT); |
| 528 | ASSERT_TRUE(db().Open(db_path())); |
| 529 | ASSERT_FALSE(db().Execute("PRAGMA auto_vacuum")); |
| 530 | db().Close(); |
| 531 | ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); |
| 532 | } |
| 533 | |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 534 | db().set_error_callback(base::Bind(&SQLConnectionTest::RazeErrorCallback, |
| 535 | base::Unretained(this), |
| 536 | SQLITE_CORRUPT)); |
| 537 | |
[email protected] | fed734a | 2013-07-17 04:45:13 | [diff] [blame^] | 538 | // When the PRAGMA calls in Open() raise SQLITE_CORRUPT, the error |
| 539 | // callback will call RazeAndClose(). Open() will then fail and be |
| 540 | // retried. The second Open() on the empty database will succeed |
| 541 | // cleanly. |
| 542 | ASSERT_TRUE(db().Open(db_path())); |
| 543 | ASSERT_TRUE(db().Execute("PRAGMA auto_vacuum")); |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 544 | EXPECT_EQ(0, SqliteMasterCount(&db())); |
| 545 | } |
| 546 | |
[email protected] | 41a97c81 | 2013-02-07 02:35:38 | [diff] [blame] | 547 | // Basic test of RazeAndClose() operation. |
| 548 | TEST_F(SQLConnectionTest, RazeAndClose) { |
| 549 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 550 | const char* kPopulateSql = "INSERT INTO foo (value) VALUES (12)"; |
| 551 | |
| 552 | // Test that RazeAndClose() closes the database, and that the |
| 553 | // database is empty when re-opened. |
| 554 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 555 | ASSERT_TRUE(db().Execute(kPopulateSql)); |
| 556 | ASSERT_TRUE(db().RazeAndClose()); |
| 557 | ASSERT_FALSE(db().is_open()); |
| 558 | db().Close(); |
| 559 | ASSERT_TRUE(db().Open(db_path())); |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 560 | ASSERT_EQ(0, SqliteMasterCount(&db())); |
[email protected] | 41a97c81 | 2013-02-07 02:35:38 | [diff] [blame] | 561 | |
| 562 | // Test that RazeAndClose() can break transactions. |
| 563 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 564 | ASSERT_TRUE(db().Execute(kPopulateSql)); |
| 565 | ASSERT_TRUE(db().BeginTransaction()); |
| 566 | ASSERT_TRUE(db().RazeAndClose()); |
| 567 | ASSERT_FALSE(db().is_open()); |
| 568 | ASSERT_FALSE(db().CommitTransaction()); |
| 569 | db().Close(); |
| 570 | ASSERT_TRUE(db().Open(db_path())); |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 571 | ASSERT_EQ(0, SqliteMasterCount(&db())); |
[email protected] | 41a97c81 | 2013-02-07 02:35:38 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | // Test that various operations fail without crashing after |
| 575 | // RazeAndClose(). |
| 576 | TEST_F(SQLConnectionTest, RazeAndCloseDiagnostics) { |
| 577 | const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| 578 | const char* kPopulateSql = "INSERT INTO foo (value) VALUES (12)"; |
| 579 | const char* kSimpleSql = "SELECT 1"; |
| 580 | |
| 581 | ASSERT_TRUE(db().Execute(kCreateSql)); |
| 582 | ASSERT_TRUE(db().Execute(kPopulateSql)); |
| 583 | |
| 584 | // Test baseline expectations. |
| 585 | db().Preload(); |
| 586 | ASSERT_TRUE(db().DoesTableExist("foo")); |
| 587 | ASSERT_TRUE(db().IsSQLValid(kSimpleSql)); |
| 588 | ASSERT_EQ(SQLITE_OK, db().ExecuteAndReturnErrorCode(kSimpleSql)); |
| 589 | ASSERT_TRUE(db().Execute(kSimpleSql)); |
| 590 | ASSERT_TRUE(db().is_open()); |
| 591 | { |
| 592 | sql::Statement s(db().GetUniqueStatement(kSimpleSql)); |
| 593 | ASSERT_TRUE(s.Step()); |
| 594 | } |
| 595 | { |
| 596 | sql::Statement s(db().GetCachedStatement(SQL_FROM_HERE, kSimpleSql)); |
| 597 | ASSERT_TRUE(s.Step()); |
| 598 | } |
| 599 | ASSERT_TRUE(db().BeginTransaction()); |
| 600 | ASSERT_TRUE(db().CommitTransaction()); |
| 601 | ASSERT_TRUE(db().BeginTransaction()); |
| 602 | db().RollbackTransaction(); |
| 603 | |
| 604 | ASSERT_TRUE(db().RazeAndClose()); |
| 605 | |
| 606 | // At this point, they should all fail, but not crash. |
| 607 | db().Preload(); |
| 608 | ASSERT_FALSE(db().DoesTableExist("foo")); |
| 609 | ASSERT_FALSE(db().IsSQLValid(kSimpleSql)); |
| 610 | ASSERT_EQ(SQLITE_ERROR, db().ExecuteAndReturnErrorCode(kSimpleSql)); |
| 611 | ASSERT_FALSE(db().Execute(kSimpleSql)); |
| 612 | ASSERT_FALSE(db().is_open()); |
| 613 | { |
| 614 | sql::Statement s(db().GetUniqueStatement(kSimpleSql)); |
| 615 | ASSERT_FALSE(s.Step()); |
| 616 | } |
| 617 | { |
| 618 | sql::Statement s(db().GetCachedStatement(SQL_FROM_HERE, kSimpleSql)); |
| 619 | ASSERT_FALSE(s.Step()); |
| 620 | } |
| 621 | ASSERT_FALSE(db().BeginTransaction()); |
| 622 | ASSERT_FALSE(db().CommitTransaction()); |
| 623 | ASSERT_FALSE(db().BeginTransaction()); |
| 624 | db().RollbackTransaction(); |
| 625 | |
| 626 | // Close normally to reset the poisoned flag. |
| 627 | db().Close(); |
| 628 | |
| 629 | // DEATH tests not supported on Android or iOS. |
| 630 | #if !defined(OS_ANDROID) && !defined(OS_IOS) |
| 631 | // Once the real Close() has been called, various calls enforce API |
| 632 | // usage by becoming fatal in debug mode. Since DEATH tests are |
| 633 | // expensive, just test one of them. |
| 634 | if (DLOG_IS_ON(FATAL)) { |
| 635 | ASSERT_DEATH({ |
| 636 | db().IsSQLValid(kSimpleSql); |
| 637 | }, "Illegal use of connection without a db"); |
| 638 | } |
| 639 | #endif |
| 640 | } |
| 641 | |
| 642 | // TODO(shess): Spin up a background thread to hold other_db, to more |
| 643 | // closely match real life. That would also allow testing |
| 644 | // RazeWithTimeout(). |
| 645 | |
[email protected] | 1348765a | 2012-07-24 08:25:53 | [diff] [blame] | 646 | #if defined(OS_ANDROID) |
| 647 | TEST_F(SQLConnectionTest, SetTempDirForSQL) { |
| 648 | |
| 649 | sql::MetaTable meta_table; |
| 650 | // Below call needs a temporary directory in sqlite3 |
| 651 | // On Android, it can pass only when the temporary directory is set. |
| 652 | // Otherwise, sqlite3 doesn't find the correct directory to store |
| 653 | // temporary files and will report the error 'unable to open |
| 654 | // database file'. |
| 655 | ASSERT_TRUE(meta_table.Init(&db(), 4, 4)); |
| 656 | } |
| 657 | #endif |
[email protected] | 8d2e39e | 2013-06-24 05:55:08 | [diff] [blame] | 658 | |
| 659 | TEST_F(SQLConnectionTest, Delete) { |
| 660 | EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); |
| 661 | db().Close(); |
| 662 | |
| 663 | // Should have both a main database file and a journal file because |
| 664 | // of journal_mode PERSIST. |
| 665 | base::FilePath journal(db_path().value() + FILE_PATH_LITERAL("-journal")); |
[email protected] | 756748414 | 2013-07-11 17:36:07 | [diff] [blame] | 666 | ASSERT_TRUE(base::PathExists(db_path())); |
| 667 | ASSERT_TRUE(base::PathExists(journal)); |
[email protected] | 8d2e39e | 2013-06-24 05:55:08 | [diff] [blame] | 668 | |
| 669 | sql::Connection::Delete(db_path()); |
[email protected] | 756748414 | 2013-07-11 17:36:07 | [diff] [blame] | 670 | EXPECT_FALSE(base::PathExists(db_path())); |
| 671 | EXPECT_FALSE(base::PathExists(journal)); |
[email protected] | 8d2e39e | 2013-06-24 05:55:08 | [diff] [blame] | 672 | } |
[email protected] | 7bae574 | 2013-07-10 20:46:16 | [diff] [blame] | 673 | |
| 674 | } // namespace |