| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/bind.h" |
| #include "base/files/file_util.h" |
| #include "base/files/scoped_file.h" |
| #include "base/files/scoped_temp_dir.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/test/gtest_util.h" |
| #include "base/test/metrics/histogram_tester.h" |
| #include "base/test/scoped_feature_list.h" |
| #include "base/trace_event/process_memory_dump.h" |
| #include "build/build_config.h" |
| #include "sql/database.h" |
| #include "sql/database_memory_dump_provider.h" |
| #include "sql/meta_table.h" |
| #include "sql/sql_features.h" |
| #include "sql/statement.h" |
| #include "sql/test/database_test_peer.h" |
| #include "sql/test/error_callback_support.h" |
| #include "sql/test/scoped_error_expecter.h" |
| #include "sql/test/sql_test_base.h" |
| #include "sql/test/test_helpers.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/sqlite/sqlite3.h" |
| |
| namespace sql { |
| |
| namespace { |
| |
| using sql::test::ExecuteWithResult; |
| |
| // Helper to return the count of items in sqlite_master. Return -1 in |
| // case of error. |
| int SqliteMasterCount(sql::Database* db) { |
| const char* kMasterCount = "SELECT COUNT(*) FROM sqlite_master"; |
| sql::Statement s(db->GetUniqueStatement(kMasterCount)); |
| return s.Step() ? s.ColumnInt(0) : -1; |
| } |
| |
| // Track the number of valid references which share the same pointer. |
| // This is used to allow testing an implicitly use-after-free case by |
| // explicitly having the ref count live longer than the object. |
| class RefCounter { |
| public: |
| RefCounter(size_t* counter) : counter_(counter) { (*counter_)++; } |
| RefCounter(const RefCounter& other) : counter_(other.counter_) { |
| (*counter_)++; |
| } |
| ~RefCounter() { (*counter_)--; } |
| |
| private: |
| size_t* counter_; |
| |
| DISALLOW_ASSIGN(RefCounter); |
| }; |
| |
| // Empty callback for implementation of ErrorCallbackSetHelper(). |
| void IgnoreErrorCallback(int error, sql::Statement* stmt) {} |
| |
| void ErrorCallbackSetHelper(sql::Database* db, |
| size_t* counter, |
| const RefCounter& r, |
| int error, |
| sql::Statement* stmt) { |
| // The ref count should not go to zero when changing the callback. |
| EXPECT_GT(*counter, 0u); |
| db->set_error_callback(base::BindRepeating(&IgnoreErrorCallback)); |
| EXPECT_GT(*counter, 0u); |
| } |
| |
| void ErrorCallbackResetHelper(sql::Database* db, |
| size_t* counter, |
| const RefCounter& r, |
| int error, |
| sql::Statement* stmt) { |
| // The ref count should not go to zero when clearing the callback. |
| EXPECT_GT(*counter, 0u); |
| db->reset_error_callback(); |
| EXPECT_GT(*counter, 0u); |
| } |
| |
| // Handle errors by blowing away the database. |
| void RazeErrorCallback(sql::Database* db, |
| int expected_error, |
| int error, |
| sql::Statement* stmt) { |
| // Nothing here needs extended errors at this time. |
| EXPECT_EQ(expected_error, expected_error & 0xff); |
| EXPECT_EQ(expected_error, error & 0xff); |
| db->RazeAndClose(); |
| } |
| |
| #if defined(OS_POSIX) |
| // Set a umask and restore the old mask on destruction. Cribbed from |
| // shared_memory_unittest.cc. Used by POSIX-only UserPermission test. |
| class ScopedUmaskSetter { |
| public: |
| explicit ScopedUmaskSetter(mode_t target_mask) { |
| old_umask_ = umask(target_mask); |
| } |
| ~ScopedUmaskSetter() { umask(old_umask_); } |
| |
| private: |
| mode_t old_umask_; |
| DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedUmaskSetter); |
| }; |
| #endif // defined(OS_POSIX) |
| |
| } // namespace |
| |
| using SQLDatabaseTest = sql::SQLTestBase; |
| |
| TEST_F(SQLDatabaseTest, Execute) { |
| // Valid statement should return true. |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| EXPECT_EQ(SQLITE_OK, db().GetErrorCode()); |
| |
| // Invalid statement should fail. |
| ASSERT_EQ(SQLITE_ERROR, |
| db().ExecuteAndReturnErrorCode("CREATE TAB foo (a, b")); |
| EXPECT_EQ(SQLITE_ERROR, db().GetErrorCode()); |
| } |
| |
| TEST_F(SQLDatabaseTest, ExecuteWithErrorCode) { |
| ASSERT_EQ(SQLITE_OK, |
| db().ExecuteAndReturnErrorCode("CREATE TABLE foo (a, b)")); |
| ASSERT_EQ(SQLITE_ERROR, db().ExecuteAndReturnErrorCode("CREATE TABLE TABLE")); |
| ASSERT_EQ(SQLITE_ERROR, db().ExecuteAndReturnErrorCode( |
| "INSERT INTO foo(a, b) VALUES (1, 2, 3, 4)")); |
| } |
| |
| TEST_F(SQLDatabaseTest, CachedStatement) { |
| sql::StatementID id1 = SQL_FROM_HERE; |
| sql::StatementID id2 = SQL_FROM_HERE; |
| static const char kId1Sql[] = "SELECT a FROM foo"; |
| static const char kId2Sql[] = "SELECT b FROM foo"; |
| |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo(a, b) VALUES (12, 13)")); |
| |
| sqlite3_stmt* raw_id1_statement; |
| sqlite3_stmt* raw_id2_statement; |
| { |
| scoped_refptr<sql::Database::StatementRef> ref_from_id1 = |
| db().GetCachedStatement(id1, kId1Sql); |
| raw_id1_statement = ref_from_id1->stmt(); |
| |
| sql::Statement from_id1(std::move(ref_from_id1)); |
| ASSERT_TRUE(from_id1.is_valid()); |
| ASSERT_TRUE(from_id1.Step()); |
| EXPECT_EQ(12, from_id1.ColumnInt(0)); |
| |
| scoped_refptr<sql::Database::StatementRef> ref_from_id2 = |
| db().GetCachedStatement(id2, kId2Sql); |
| raw_id2_statement = ref_from_id2->stmt(); |
| EXPECT_NE(raw_id1_statement, raw_id2_statement); |
| |
| sql::Statement from_id2(std::move(ref_from_id2)); |
| ASSERT_TRUE(from_id2.is_valid()); |
| ASSERT_TRUE(from_id2.Step()); |
| EXPECT_EQ(13, from_id2.ColumnInt(0)); |
| } |
| |
| { |
| scoped_refptr<sql::Database::StatementRef> ref_from_id1 = |
| db().GetCachedStatement(id1, kId1Sql); |
| EXPECT_EQ(raw_id1_statement, ref_from_id1->stmt()) |
| << "statement was not cached"; |
| |
| sql::Statement from_id1(std::move(ref_from_id1)); |
| ASSERT_TRUE(from_id1.is_valid()); |
| ASSERT_TRUE(from_id1.Step()) << "cached statement was not reset"; |
| EXPECT_EQ(12, from_id1.ColumnInt(0)); |
| |
| scoped_refptr<sql::Database::StatementRef> ref_from_id2 = |
| db().GetCachedStatement(id2, kId2Sql); |
| EXPECT_EQ(raw_id2_statement, ref_from_id2->stmt()) |
| << "statement was not cached"; |
| |
| sql::Statement from_id2(std::move(ref_from_id2)); |
| ASSERT_TRUE(from_id2.is_valid()); |
| ASSERT_TRUE(from_id2.Step()) << "cached statement was not reset"; |
| EXPECT_EQ(13, from_id2.ColumnInt(0)); |
| } |
| |
| EXPECT_DCHECK_DEATH(db().GetCachedStatement(id1, kId2Sql)) |
| << "Using a different SQL with the same statement ID should DCHECK"; |
| EXPECT_DCHECK_DEATH(db().GetCachedStatement(id2, kId1Sql)) |
| << "Using a different SQL with the same statement ID should DCHECK"; |
| } |
| |
| TEST_F(SQLDatabaseTest, IsSQLValidTest) { |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| ASSERT_TRUE(db().IsSQLValid("SELECT a FROM foo")); |
| ASSERT_FALSE(db().IsSQLValid("SELECT no_exist FROM foo")); |
| } |
| |
| TEST_F(SQLDatabaseTest, DoesTableExist) { |
| EXPECT_FALSE(db().DoesTableExist("foo")); |
| EXPECT_FALSE(db().DoesTableExist("foo_index")); |
| |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| ASSERT_TRUE(db().Execute("CREATE INDEX foo_index ON foo (a)")); |
| EXPECT_TRUE(db().DoesTableExist("foo")); |
| EXPECT_FALSE(db().DoesTableExist("foo_index")); |
| |
| // DoesTableExist() is case-sensitive. |
| EXPECT_FALSE(db().DoesTableExist("Foo")); |
| EXPECT_FALSE(db().DoesTableExist("FOO")); |
| } |
| |
| TEST_F(SQLDatabaseTest, DoesIndexExist) { |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| EXPECT_FALSE(db().DoesIndexExist("foo")); |
| EXPECT_FALSE(db().DoesIndexExist("foo_ubdex")); |
| |
| ASSERT_TRUE(db().Execute("CREATE INDEX foo_index ON foo (a)")); |
| EXPECT_TRUE(db().DoesIndexExist("foo_index")); |
| EXPECT_FALSE(db().DoesIndexExist("foo")); |
| |
| // DoesIndexExist() is case-sensitive. |
| EXPECT_FALSE(db().DoesIndexExist("Foo_index")); |
| EXPECT_FALSE(db().DoesIndexExist("Foo_Index")); |
| EXPECT_FALSE(db().DoesIndexExist("FOO_INDEX")); |
| } |
| |
| TEST_F(SQLDatabaseTest, DoesViewExist) { |
| EXPECT_FALSE(db().DoesViewExist("voo")); |
| ASSERT_TRUE(db().Execute("CREATE VIEW voo (a) AS SELECT 1")); |
| EXPECT_FALSE(db().DoesIndexExist("voo")); |
| EXPECT_FALSE(db().DoesTableExist("voo")); |
| EXPECT_TRUE(db().DoesViewExist("voo")); |
| |
| // DoesTableExist() is case-sensitive. |
| EXPECT_FALSE(db().DoesViewExist("Voo")); |
| EXPECT_FALSE(db().DoesViewExist("VOO")); |
| } |
| |
| TEST_F(SQLDatabaseTest, DoesColumnExist) { |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| |
| EXPECT_FALSE(db().DoesColumnExist("foo", "bar")); |
| EXPECT_TRUE(db().DoesColumnExist("foo", "a")); |
| |
| ASSERT_FALSE(db().DoesTableExist("bar")); |
| EXPECT_FALSE(db().DoesColumnExist("bar", "b")); |
| |
| // SQLite resolves table/column names without case sensitivity. |
| EXPECT_TRUE(db().DoesColumnExist("FOO", "A")); |
| EXPECT_TRUE(db().DoesColumnExist("FOO", "a")); |
| EXPECT_TRUE(db().DoesColumnExist("foo", "A")); |
| } |
| |
| TEST_F(SQLDatabaseTest, GetLastInsertRowId) { |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (id INTEGER PRIMARY KEY, value)")); |
| |
| ASSERT_TRUE(db().Execute("INSERT INTO foo (value) VALUES (12)")); |
| |
| // Last insert row ID should be valid. |
| int64_t row = db().GetLastInsertRowId(); |
| EXPECT_LT(0, row); |
| |
| // It should be the primary key of the row we just inserted. |
| sql::Statement s(db().GetUniqueStatement("SELECT value FROM foo WHERE id=?")); |
| s.BindInt64(0, row); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(12, s.ColumnInt(0)); |
| } |
| |
| TEST_F(SQLDatabaseTest, Rollback) { |
| ASSERT_TRUE(db().BeginTransaction()); |
| ASSERT_TRUE(db().BeginTransaction()); |
| EXPECT_EQ(2, db().transaction_nesting()); |
| db().RollbackTransaction(); |
| EXPECT_FALSE(db().CommitTransaction()); |
| EXPECT_TRUE(db().BeginTransaction()); |
| } |
| |
| // Test the scoped error expecter by attempting to insert a duplicate |
| // value into an index. |
| TEST_F(SQLDatabaseTest, ScopedErrorExpecter) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER UNIQUE)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CONSTRAINT); |
| ASSERT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| } |
| |
| // Test that clients of GetUntrackedStatement() can test corruption-handling |
| // with ScopedErrorExpecter. |
| TEST_F(SQLDatabaseTest, ScopedIgnoreUntracked) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER UNIQUE)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_FALSE(db().DoesTableExist("bar")); |
| ASSERT_TRUE(db().DoesTableExist("foo")); |
| ASSERT_TRUE(db().DoesColumnExist("foo", "id")); |
| db().Close(); |
| |
| // Corrupt the database so that nothing works, including PRAGMAs. |
| ASSERT_TRUE(CorruptSizeInHeaderOfDB()); |
| |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CORRUPT); |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_FALSE(db().DoesTableExist("bar")); |
| ASSERT_FALSE(db().DoesTableExist("foo")); |
| ASSERT_FALSE(db().DoesColumnExist("foo", "id")); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| } |
| |
| TEST_F(SQLDatabaseTest, ErrorCallback) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER UNIQUE)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| |
| int error = SQLITE_OK; |
| { |
| sql::ScopedErrorCallback sec( |
| &db(), base::BindRepeating(&sql::CaptureErrorCallback, &error)); |
| EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| |
| // Later versions of SQLite throw SQLITE_CONSTRAINT_UNIQUE. The specific |
| // sub-error isn't really important. |
| EXPECT_EQ(SQLITE_CONSTRAINT, (error & 0xff)); |
| } |
| |
| // Callback is no longer in force due to reset. |
| { |
| error = SQLITE_OK; |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CONSTRAINT); |
| ASSERT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| EXPECT_EQ(SQLITE_OK, error); |
| } |
| |
| // base::BindRepeating() can curry arguments to be passed by const reference |
| // to the callback function. If the callback function calls |
| // re/set_error_callback(), the storage for those arguments can be |
| // deleted while the callback function is still executing. |
| // |
| // RefCounter() counts how many objects are live using an external |
| // count. The same counter is passed to the callback, so that it |
| // can check directly even if the RefCounter object is no longer |
| // live. |
| { |
| size_t count = 0; |
| sql::ScopedErrorCallback sec( |
| &db(), base::BindRepeating(&ErrorCallbackSetHelper, &db(), &count, |
| RefCounter(&count))); |
| |
| EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| } |
| |
| // Same test, but reset_error_callback() case. |
| { |
| size_t count = 0; |
| sql::ScopedErrorCallback sec( |
| &db(), base::BindRepeating(&ErrorCallbackResetHelper, &db(), &count, |
| RefCounter(&count))); |
| |
| EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); |
| } |
| } |
| |
| // Test that sql::Database::Raze() results in a database without the |
| // tables from the original database. |
| TEST_F(SQLDatabaseTest, Raze) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo (value) VALUES (12)")); |
| |
| int pragma_auto_vacuum = 0; |
| { |
| sql::Statement s(db().GetUniqueStatement("PRAGMA auto_vacuum")); |
| ASSERT_TRUE(s.Step()); |
| pragma_auto_vacuum = s.ColumnInt(0); |
| ASSERT_TRUE(pragma_auto_vacuum == 0 || pragma_auto_vacuum == 1); |
| } |
| |
| // If auto_vacuum is set, there's an extra page to maintain a freelist. |
| const int kExpectedPageCount = 2 + pragma_auto_vacuum; |
| |
| { |
| sql::Statement s(db().GetUniqueStatement("PRAGMA page_count")); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(kExpectedPageCount, s.ColumnInt(0)); |
| } |
| |
| { |
| sql::Statement s(db().GetUniqueStatement("SELECT * FROM sqlite_master")); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ("table", s.ColumnString(0)); |
| EXPECT_EQ("foo", s.ColumnString(1)); |
| EXPECT_EQ("foo", s.ColumnString(2)); |
| // Table "foo" is stored in the last page of the file. |
| EXPECT_EQ(kExpectedPageCount, s.ColumnInt(3)); |
| EXPECT_EQ(kCreateSql, s.ColumnString(4)); |
| } |
| |
| ASSERT_TRUE(db().Raze()); |
| |
| { |
| sql::Statement s(db().GetUniqueStatement("PRAGMA page_count")); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(1, s.ColumnInt(0)); |
| } |
| |
| ASSERT_EQ(0, SqliteMasterCount(&db())); |
| |
| { |
| sql::Statement s(db().GetUniqueStatement("PRAGMA auto_vacuum")); |
| ASSERT_TRUE(s.Step()); |
| // The new database has the same auto_vacuum as a fresh database. |
| EXPECT_EQ(pragma_auto_vacuum, s.ColumnInt(0)); |
| } |
| } |
| |
| // Helper for SQLDatabaseTest.RazePageSize. Creates a fresh db based on |
| // db_prefix, with the given initial page size, and verifies it against the |
| // expected size. Then changes to the final page size and razes, verifying that |
| // the fresh database ends up with the expected final page size. |
| void TestPageSize(const base::FilePath& db_prefix, |
| int initial_page_size, |
| const std::string& expected_initial_page_size, |
| int final_page_size, |
| const std::string& expected_final_page_size) { |
| static const char kCreateSql[] = "CREATE TABLE x (t TEXT)"; |
| static const char kInsertSql1[] = "INSERT INTO x VALUES ('This is a test')"; |
| static const char kInsertSql2[] = "INSERT INTO x VALUES ('That was a test')"; |
| |
| const base::FilePath db_path = db_prefix.InsertBeforeExtensionASCII( |
| base::NumberToString(initial_page_size)); |
| sql::Database::Delete(db_path); |
| sql::Database db; |
| db.set_page_size(initial_page_size); |
| ASSERT_TRUE(db.Open(db_path)); |
| ASSERT_TRUE(db.Execute(kCreateSql)); |
| ASSERT_TRUE(db.Execute(kInsertSql1)); |
| ASSERT_TRUE(db.Execute(kInsertSql2)); |
| ASSERT_EQ(expected_initial_page_size, |
| ExecuteWithResult(&db, "PRAGMA page_size")); |
| |
| // Raze will use the page size set in the connection object, which may not |
| // match the file's page size. |
| db.set_page_size(final_page_size); |
| ASSERT_TRUE(db.Raze()); |
| |
| // SQLite 3.10.2 (at least) has a quirk with the sqlite3_backup() API (used by |
| // Raze()) which causes the destination database to remember the previous |
| // page_size, even if the overwriting database changed the page_size. Access |
| // the actual database to cause the cached value to be updated. |
| EXPECT_EQ("0", ExecuteWithResult(&db, "SELECT COUNT(*) FROM sqlite_master")); |
| |
| EXPECT_EQ(expected_final_page_size, |
| ExecuteWithResult(&db, "PRAGMA page_size")); |
| EXPECT_EQ("1", ExecuteWithResult(&db, "PRAGMA page_count")); |
| } |
| |
| // Verify that sql::Recovery maintains the page size, and the virtual table |
| // works with page sizes other than SQLite's default. Also verify the case |
| // where the default page size has changed. |
| TEST_F(SQLDatabaseTest, RazePageSize) { |
| const std::string default_page_size = |
| ExecuteWithResult(&db(), "PRAGMA page_size"); |
| |
| // Sync uses 32k pages. |
| EXPECT_NO_FATAL_FAILURE( |
| TestPageSize(db_path(), 32768, "32768", 32768, "32768")); |
| |
| // Many clients use 4k pages. This is the SQLite default after 3.12.0. |
| EXPECT_NO_FATAL_FAILURE(TestPageSize(db_path(), 4096, "4096", 4096, "4096")); |
| |
| // 1k is the default page size before 3.12.0. |
| EXPECT_NO_FATAL_FAILURE(TestPageSize(db_path(), 1024, "1024", 1024, "1024")); |
| |
| EXPECT_NO_FATAL_FAILURE(TestPageSize(db_path(), 2048, "2048", 4096, "4096")); |
| |
| // Databases with no page size specified should result in the default |
| // page size. 2k has never been the default page size. |
| ASSERT_NE("2048", default_page_size); |
| EXPECT_NO_FATAL_FAILURE(TestPageSize( |
| db_path(), 2048, "2048", Database::kDefaultPageSize, default_page_size)); |
| } |
| |
| // Test that Raze() results are seen in other connections. |
| TEST_F(SQLDatabaseTest, RazeMultiple) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| |
| sql::Database other_db; |
| ASSERT_TRUE(other_db.Open(db_path())); |
| |
| // Check that the second connection sees the table. |
| ASSERT_EQ(1, SqliteMasterCount(&other_db)); |
| |
| ASSERT_TRUE(db().Raze()); |
| |
| // The second connection sees the updated database. |
| ASSERT_EQ(0, SqliteMasterCount(&other_db)); |
| } |
| |
| TEST_F(SQLDatabaseTest, RazeLocked) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| |
| // Open a transaction and write some data in a second connection. |
| // This will acquire a PENDING or EXCLUSIVE transaction, which will |
| // cause the raze to fail. |
| sql::Database other_db; |
| ASSERT_TRUE(other_db.Open(db_path())); |
| ASSERT_TRUE(other_db.BeginTransaction()); |
| const char* kInsertSql = "INSERT INTO foo VALUES (1, 'data')"; |
| ASSERT_TRUE(other_db.Execute(kInsertSql)); |
| |
| ASSERT_FALSE(db().Raze()); |
| |
| // Works after COMMIT. |
| ASSERT_TRUE(other_db.CommitTransaction()); |
| ASSERT_TRUE(db().Raze()); |
| |
| // Re-create the database. |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute(kInsertSql)); |
| |
| // An unfinished read transaction in the other connection also |
| // blocks raze. |
| // This doesn't happen in WAL mode because reads are no longer blocked by |
| // write operations when using a WAL. |
| if (!base::FeatureList::IsEnabled(sql::features::kEnableWALModeByDefault)) { |
| const char* kQuery = "SELECT COUNT(*) FROM foo"; |
| sql::Statement s(other_db.GetUniqueStatement(kQuery)); |
| ASSERT_TRUE(s.Step()); |
| ASSERT_FALSE(db().Raze()); |
| |
| // Completing the statement unlocks the database. |
| ASSERT_FALSE(s.Step()); |
| ASSERT_TRUE(db().Raze()); |
| } |
| } |
| |
| // Verify that Raze() can handle an empty file. SQLite should treat |
| // this as an empty database. |
| TEST_F(SQLDatabaseTest, RazeEmptyDB) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| db().Close(); |
| |
| TruncateDatabase(); |
| |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_TRUE(db().Raze()); |
| EXPECT_EQ(0, SqliteMasterCount(&db())); |
| } |
| |
| // Verify that Raze() can handle a file of junk. |
| TEST_F(SQLDatabaseTest, RazeNOTADB) { |
| db().Close(); |
| sql::Database::Delete(db_path()); |
| ASSERT_FALSE(GetPathExists(db_path())); |
| |
| WriteJunkToDatabase(SQLTestBase::TYPE_OVERWRITE_AND_TRUNCATE); |
| ASSERT_TRUE(GetPathExists(db_path())); |
| |
| // SQLite will successfully open the handle, but fail when running PRAGMA |
| // statements that access the database. |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_NOTADB); |
| |
| EXPECT_TRUE(db().Open(db_path())); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| EXPECT_TRUE(db().Raze()); |
| db().Close(); |
| |
| // Now empty, the open should open an empty database. |
| EXPECT_TRUE(db().Open(db_path())); |
| EXPECT_EQ(0, SqliteMasterCount(&db())); |
| } |
| |
| // Verify that Raze() can handle a database overwritten with garbage. |
| TEST_F(SQLDatabaseTest, RazeNOTADB2) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_EQ(1, SqliteMasterCount(&db())); |
| db().Close(); |
| |
| WriteJunkToDatabase(SQLTestBase::TYPE_OVERWRITE); |
| |
| // SQLite will successfully open the handle, but will fail with |
| // SQLITE_NOTADB on pragma statemenets which attempt to read the |
| // corrupted header. |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_NOTADB); |
| EXPECT_TRUE(db().Open(db_path())); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| EXPECT_TRUE(db().Raze()); |
| db().Close(); |
| |
| // Now empty, the open should succeed with an empty database. |
| EXPECT_TRUE(db().Open(db_path())); |
| EXPECT_EQ(0, SqliteMasterCount(&db())); |
| } |
| |
| // Test that a callback from Open() can raze the database. This is |
| // essential for cases where the Open() can fail entirely, so the |
| // Raze() cannot happen later. Additionally test that when the |
| // callback does this during Open(), the open is retried and succeeds. |
| TEST_F(SQLDatabaseTest, RazeCallbackReopen) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_EQ(1, SqliteMasterCount(&db())); |
| db().Close(); |
| |
| // Corrupt the database so that nothing works, including PRAGMAs. |
| ASSERT_TRUE(CorruptSizeInHeaderOfDB()); |
| |
| // Open() will succeed, even though the PRAGMA calls within will |
| // fail with SQLITE_CORRUPT, as will this PRAGMA. |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CORRUPT); |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_FALSE(db().Execute("PRAGMA auto_vacuum")); |
| db().Close(); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| |
| db().set_error_callback( |
| base::BindRepeating(&RazeErrorCallback, &db(), SQLITE_CORRUPT)); |
| |
| // When the PRAGMA calls in Open() raise SQLITE_CORRUPT, the error |
| // callback will call RazeAndClose(). Open() will then fail and be |
| // retried. The second Open() on the empty database will succeed |
| // cleanly. |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_TRUE(db().Execute("PRAGMA auto_vacuum")); |
| EXPECT_EQ(0, SqliteMasterCount(&db())); |
| } |
| |
| // Basic test of RazeAndClose() operation. |
| TEST_F(SQLDatabaseTest, RazeAndClose) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| const char* kPopulateSql = "INSERT INTO foo (value) VALUES (12)"; |
| |
| // Test that RazeAndClose() closes the database, and that the |
| // database is empty when re-opened. |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute(kPopulateSql)); |
| ASSERT_TRUE(db().RazeAndClose()); |
| ASSERT_FALSE(db().is_open()); |
| db().Close(); |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_EQ(0, SqliteMasterCount(&db())); |
| |
| // Test that RazeAndClose() can break transactions. |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute(kPopulateSql)); |
| ASSERT_TRUE(db().BeginTransaction()); |
| ASSERT_TRUE(db().RazeAndClose()); |
| ASSERT_FALSE(db().is_open()); |
| ASSERT_FALSE(db().CommitTransaction()); |
| db().Close(); |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_EQ(0, SqliteMasterCount(&db())); |
| } |
| |
| // Test that various operations fail without crashing after |
| // RazeAndClose(). |
| TEST_F(SQLDatabaseTest, RazeAndCloseDiagnostics) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| const char* kPopulateSql = "INSERT INTO foo (value) VALUES (12)"; |
| const char* kSimpleSql = "SELECT 1"; |
| |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| ASSERT_TRUE(db().Execute(kPopulateSql)); |
| |
| // Test baseline expectations. |
| db().Preload(); |
| ASSERT_TRUE(db().DoesTableExist("foo")); |
| ASSERT_TRUE(db().IsSQLValid(kSimpleSql)); |
| ASSERT_EQ(SQLITE_OK, db().ExecuteAndReturnErrorCode(kSimpleSql)); |
| ASSERT_TRUE(db().Execute(kSimpleSql)); |
| ASSERT_TRUE(db().is_open()); |
| { |
| sql::Statement s(db().GetUniqueStatement(kSimpleSql)); |
| ASSERT_TRUE(s.Step()); |
| } |
| { |
| sql::Statement s(db().GetCachedStatement(SQL_FROM_HERE, kSimpleSql)); |
| ASSERT_TRUE(s.Step()); |
| } |
| ASSERT_TRUE(db().BeginTransaction()); |
| ASSERT_TRUE(db().CommitTransaction()); |
| ASSERT_TRUE(db().BeginTransaction()); |
| db().RollbackTransaction(); |
| |
| ASSERT_TRUE(db().RazeAndClose()); |
| |
| // At this point, they should all fail, but not crash. |
| db().Preload(); |
| ASSERT_FALSE(db().DoesTableExist("foo")); |
| ASSERT_FALSE(db().IsSQLValid(kSimpleSql)); |
| ASSERT_EQ(SQLITE_ERROR, db().ExecuteAndReturnErrorCode(kSimpleSql)); |
| ASSERT_FALSE(db().Execute(kSimpleSql)); |
| ASSERT_FALSE(db().is_open()); |
| { |
| sql::Statement s(db().GetUniqueStatement(kSimpleSql)); |
| ASSERT_FALSE(s.Step()); |
| } |
| { |
| sql::Statement s(db().GetCachedStatement(SQL_FROM_HERE, kSimpleSql)); |
| ASSERT_FALSE(s.Step()); |
| } |
| ASSERT_FALSE(db().BeginTransaction()); |
| ASSERT_FALSE(db().CommitTransaction()); |
| ASSERT_FALSE(db().BeginTransaction()); |
| db().RollbackTransaction(); |
| |
| // Close normally to reset the poisoned flag. |
| db().Close(); |
| |
| // DEATH tests not supported on Android, iOS, or Fuchsia. |
| #if !defined(OS_ANDROID) && !defined(OS_IOS) && !defined(OS_FUCHSIA) |
| // Once the real Close() has been called, various calls enforce API |
| // usage by becoming fatal in debug mode. Since DEATH tests are |
| // expensive, just test one of them. |
| if (DLOG_IS_ON(FATAL)) { |
| ASSERT_DEATH({ db().IsSQLValid(kSimpleSql); }, |
| "Illegal use of Database without a db"); |
| } |
| #endif // !defined(OS_ANDROID) && !defined(OS_IOS) && !defined(OS_FUCHSIA) |
| } |
| |
| // TODO(shess): Spin up a background thread to hold other_db, to more |
| // closely match real life. That would also allow testing |
| // RazeWithTimeout(). |
| |
| // On Windows, truncate silently fails against a memory-mapped file. One goal |
| // of Raze() is to truncate the file to remove blocks which generate I/O errors. |
| // Test that Raze() turns off memory mapping so that the file is truncated. |
| // [This would not cover the case of multiple connections where one of the other |
| // connections is memory-mapped. That is infrequent in Chromium.] |
| TEST_F(SQLDatabaseTest, RazeTruncate) { |
| // The empty database has 0 or 1 pages. Raze() should leave it with exactly 1 |
| // page. Not checking directly because auto_vacuum on Android adds a freelist |
| // page. |
| ASSERT_TRUE(db().Raze()); |
| int64_t expected_size; |
| ASSERT_TRUE(base::GetFileSize(db_path(), &expected_size)); |
| ASSERT_GT(expected_size, 0); |
| |
| // Cause the database to take a few pages. |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| for (size_t i = 0; i < 24; ++i) { |
| ASSERT_TRUE( |
| db().Execute("INSERT INTO foo (value) VALUES (randomblob(1024))")); |
| } |
| |
| // In WAL mode, writes don't reach the database file until a checkpoint |
| // happens. |
| ASSERT_TRUE(db().CheckpointDatabase()); |
| |
| int64_t db_size; |
| ASSERT_TRUE(base::GetFileSize(db_path(), &db_size)); |
| ASSERT_GT(db_size, expected_size); |
| |
| // Make a query covering most of the database file to make sure that the |
| // blocks are actually mapped into memory. Empirically, the truncate problem |
| // doesn't seem to happen if no blocks are mapped. |
| EXPECT_EQ("24576", |
| ExecuteWithResult(&db(), "SELECT SUM(LENGTH(value)) FROM foo")); |
| |
| ASSERT_TRUE(db().Raze()); |
| ASSERT_TRUE(base::GetFileSize(db_path(), &db_size)); |
| ASSERT_EQ(expected_size, db_size); |
| } |
| |
| #if defined(OS_ANDROID) |
| TEST_F(SQLDatabaseTest, SetTempDirForSQL) { |
| sql::MetaTable meta_table; |
| // Below call needs a temporary directory in sqlite3 |
| // On Android, it can pass only when the temporary directory is set. |
| // Otherwise, sqlite3 doesn't find the correct directory to store |
| // temporary files and will report the error 'unable to open |
| // database file'. |
| ASSERT_TRUE(meta_table.Init(&db(), 4, 4)); |
| } |
| #endif // defined(OS_ANDROID) |
| |
| // Contained param indicates whether WAL mode is switched on or not. |
| class JournalModeTest : public SQLDatabaseTest, |
| public testing::WithParamInterface<bool> { |
| public: |
| void SetUp() override { |
| #if defined(OS_FUCHSIA) // Exclusive mode needs to be enabled to enter WAL mode |
| // on Fuchsia |
| if (IsWALEnabled()) { |
| db().set_exclusive_locking(); |
| } |
| #endif // defined(OS_FUCHSIA) |
| db().want_wal_mode(IsWALEnabled()); |
| SQLDatabaseTest::SetUp(); |
| } |
| |
| bool IsWALEnabled() { return GetParam(); } |
| }; |
| |
| TEST_P(JournalModeTest, Delete) { |
| EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); |
| db().Close(); |
| |
| base::FilePath journal_path = sql::Database::JournalPath(db_path()); |
| base::FilePath wal_path = sql::Database::WriteAheadLogPath(db_path()); |
| |
| // Should have both a main database file and a journal file if |
| // journal_mode is TRUNCATE. There is no WAL file as it is deleted on Close. |
| ASSERT_TRUE(GetPathExists(db_path())); |
| if (!IsWALEnabled()) { // TRUNCATE mode |
| ASSERT_TRUE(GetPathExists(journal_path)); |
| } |
| |
| sql::Database::Delete(db_path()); |
| EXPECT_FALSE(GetPathExists(db_path())); |
| EXPECT_FALSE(GetPathExists(journal_path)); |
| EXPECT_FALSE(GetPathExists(wal_path)); |
| } |
| |
| // WAL mode is currently not supported on Fuchsia |
| #if !defined(OS_FUCHSIA) |
| INSTANTIATE_TEST_SUITE_P(SQLDatabaseTest, JournalModeTest, testing::Bool()); |
| #else |
| INSTANTIATE_TEST_SUITE_P(SQLDatabaseTest, |
| JournalModeTest, |
| testing::Values(false)); |
| #endif |
| |
| #if defined(OS_POSIX) // This test operates on POSIX file permissions. |
| TEST_P(JournalModeTest, PosixFilePermissions) { |
| db().Close(); |
| sql::Database::Delete(db_path()); |
| ASSERT_FALSE(GetPathExists(db_path())); |
| |
| // If the bots all had a restrictive umask setting such that databases are |
| // always created with only the owner able to read them, then the code could |
| // break without breaking the tests. Temporarily provide a more permissive |
| // umask. |
| ScopedUmaskSetter permissive_umask(S_IWGRP | S_IWOTH); |
| |
| ASSERT_TRUE(db().Open(db_path())); |
| |
| // Cause the journal file to be created. If the default journal_mode is |
| // changed back to DELETE, this test will need to be updated. |
| EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); |
| |
| int mode; |
| ASSERT_TRUE(GetPathExists(db_path())); |
| EXPECT_TRUE(base::GetPosixFilePermissions(db_path(), &mode)); |
| ASSERT_EQ(mode, 0600); |
| |
| if (IsWALEnabled()) { // WAL mode |
| // The WAL file is created lazily on first change. |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| |
| base::FilePath wal_path = sql::Database::WriteAheadLogPath(db_path()); |
| ASSERT_TRUE(GetPathExists(wal_path)); |
| EXPECT_TRUE(base::GetPosixFilePermissions(wal_path, &mode)); |
| ASSERT_EQ(mode, 0600); |
| |
| base::FilePath shm_path = sql::Database::SharedMemoryFilePath(db_path()); |
| ASSERT_TRUE(GetPathExists(shm_path)); |
| EXPECT_TRUE(base::GetPosixFilePermissions(shm_path, &mode)); |
| ASSERT_EQ(mode, 0600); |
| } else { // Truncate mode |
| base::FilePath journal_path = sql::Database::JournalPath(db_path()); |
| DLOG(ERROR) << "journal_path: " << journal_path; |
| ASSERT_TRUE(GetPathExists(journal_path)); |
| EXPECT_TRUE(base::GetPosixFilePermissions(journal_path, &mode)); |
| ASSERT_EQ(mode, 0600); |
| } |
| } |
| #endif // defined(OS_POSIX) |
| |
| // Test that errors start happening once Poison() is called. |
| TEST_F(SQLDatabaseTest, Poison) { |
| EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); |
| |
| // Before the Poison() call, things generally work. |
| EXPECT_TRUE(db().IsSQLValid("INSERT INTO x VALUES ('x')")); |
| EXPECT_TRUE(db().Execute("INSERT INTO x VALUES ('x')")); |
| { |
| sql::Statement s(db().GetUniqueStatement("SELECT COUNT(*) FROM x")); |
| ASSERT_TRUE(s.is_valid()); |
| ASSERT_TRUE(s.Step()); |
| } |
| |
| // Get a statement which is valid before and will exist across Poison(). |
| sql::Statement valid_statement( |
| db().GetUniqueStatement("SELECT COUNT(*) FROM sqlite_master")); |
| ASSERT_TRUE(valid_statement.is_valid()); |
| ASSERT_TRUE(valid_statement.Step()); |
| valid_statement.Reset(true); |
| |
| db().Poison(); |
| |
| // After the Poison() call, things fail. |
| EXPECT_FALSE(db().IsSQLValid("INSERT INTO x VALUES ('x')")); |
| EXPECT_FALSE(db().Execute("INSERT INTO x VALUES ('x')")); |
| { |
| sql::Statement s(db().GetUniqueStatement("SELECT COUNT(*) FROM x")); |
| ASSERT_FALSE(s.is_valid()); |
| ASSERT_FALSE(s.Step()); |
| } |
| |
| // The existing statement has become invalid. |
| ASSERT_FALSE(valid_statement.is_valid()); |
| ASSERT_FALSE(valid_statement.Step()); |
| |
| // Test that poisoning the database during a transaction works (with errors). |
| // RazeErrorCallback() poisons the database, the extra COMMIT causes |
| // CommitTransaction() to throw an error while commiting. |
| db().set_error_callback( |
| base::BindRepeating(&RazeErrorCallback, &db(), SQLITE_ERROR)); |
| db().Close(); |
| ASSERT_TRUE(db().Open(db_path())); |
| EXPECT_TRUE(db().BeginTransaction()); |
| EXPECT_TRUE(db().Execute("INSERT INTO x VALUES ('x')")); |
| EXPECT_TRUE(db().Execute("COMMIT")); |
| EXPECT_FALSE(db().CommitTransaction()); |
| } |
| |
| TEST_F(SQLDatabaseTest, AttachDatabase) { |
| EXPECT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| |
| // Create a database to attach to. |
| base::FilePath attach_path = |
| db_path().DirName().AppendASCII("SQLDatabaseAttach.db"); |
| static const char kAttachmentPoint[] = "other"; |
| { |
| sql::Database other_db; |
| ASSERT_TRUE(other_db.Open(attach_path)); |
| EXPECT_TRUE(other_db.Execute("CREATE TABLE bar (a, b)")); |
| EXPECT_TRUE(other_db.Execute("INSERT INTO bar VALUES ('hello', 'world')")); |
| } |
| |
| // Cannot see the attached database, yet. |
| EXPECT_FALSE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| |
| EXPECT_TRUE( |
| DatabaseTestPeer::AttachDatabase(&db(), attach_path, kAttachmentPoint)); |
| EXPECT_TRUE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| |
| // Queries can touch both databases after the ATTACH. |
| EXPECT_TRUE(db().Execute("INSERT INTO foo SELECT a, b FROM other.bar")); |
| { |
| sql::Statement s(db().GetUniqueStatement("SELECT COUNT(*) FROM foo")); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(1, s.ColumnInt(0)); |
| } |
| |
| EXPECT_TRUE(DatabaseTestPeer::DetachDatabase(&db(), kAttachmentPoint)); |
| EXPECT_FALSE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| } |
| |
| TEST_F(SQLDatabaseTest, AttachDatabaseWithOpenTransaction) { |
| EXPECT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); |
| |
| // Create a database to attach to. |
| base::FilePath attach_path = |
| db_path().DirName().AppendASCII("SQLDatabaseAttach.db"); |
| static const char kAttachmentPoint[] = "other"; |
| { |
| sql::Database other_db; |
| ASSERT_TRUE(other_db.Open(attach_path)); |
| EXPECT_TRUE(other_db.Execute("CREATE TABLE bar (a, b)")); |
| EXPECT_TRUE(other_db.Execute("INSERT INTO bar VALUES ('hello', 'world')")); |
| } |
| |
| // Cannot see the attached database, yet. |
| EXPECT_FALSE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| |
| // Attach succeeds in a transaction. |
| EXPECT_TRUE(db().BeginTransaction()); |
| EXPECT_TRUE( |
| DatabaseTestPeer::AttachDatabase(&db(), attach_path, kAttachmentPoint)); |
| EXPECT_TRUE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| |
| // Queries can touch both databases after the ATTACH. |
| EXPECT_TRUE(db().Execute("INSERT INTO foo SELECT a, b FROM other.bar")); |
| { |
| sql::Statement s(db().GetUniqueStatement("SELECT COUNT(*) FROM foo")); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(1, s.ColumnInt(0)); |
| } |
| |
| // Detaching the same database fails, database is locked in the transaction. |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_ERROR); |
| EXPECT_FALSE(DatabaseTestPeer::DetachDatabase(&db(), kAttachmentPoint)); |
| EXPECT_TRUE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| |
| // Detach succeeds when the transaction is closed. |
| db().RollbackTransaction(); |
| EXPECT_TRUE(DatabaseTestPeer::DetachDatabase(&db(), kAttachmentPoint)); |
| EXPECT_FALSE(db().IsSQLValid("SELECT count(*) from other.bar")); |
| } |
| |
| TEST_F(SQLDatabaseTest, Basic_QuickIntegrityCheck) { |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| EXPECT_TRUE(db().QuickIntegrityCheck()); |
| db().Close(); |
| |
| ASSERT_TRUE(CorruptSizeInHeaderOfDB()); |
| |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CORRUPT); |
| ASSERT_TRUE(db().Open(db_path())); |
| EXPECT_FALSE(db().QuickIntegrityCheck()); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| } |
| |
| TEST_F(SQLDatabaseTest, Basic_FullIntegrityCheck) { |
| const std::string kOk("ok"); |
| std::vector<std::string> messages; |
| |
| const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; |
| ASSERT_TRUE(db().Execute(kCreateSql)); |
| EXPECT_TRUE(db().FullIntegrityCheck(&messages)); |
| EXPECT_EQ(1u, messages.size()); |
| EXPECT_EQ(kOk, messages[0]); |
| db().Close(); |
| |
| ASSERT_TRUE(CorruptSizeInHeaderOfDB()); |
| |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CORRUPT); |
| ASSERT_TRUE(db().Open(db_path())); |
| EXPECT_TRUE(db().FullIntegrityCheck(&messages)); |
| EXPECT_LT(1u, messages.size()); |
| EXPECT_NE(kOk, messages[0]); |
| ASSERT_TRUE(expecter.SawExpectedErrors()); |
| } |
| |
| // TODO(shess): CorruptTableOrIndex could be used to produce a |
| // file that would pass the quick check and fail the full check. |
| } |
| |
| TEST_F(SQLDatabaseTest, OnMemoryDump) { |
| base::trace_event::MemoryDumpArgs args = { |
| base::trace_event::MemoryDumpLevelOfDetail::DETAILED}; |
| base::trace_event::ProcessMemoryDump pmd(args); |
| ASSERT_TRUE(db().memory_dump_provider_->OnMemoryDump(args, &pmd)); |
| EXPECT_GE(pmd.allocator_dumps().size(), 1u); |
| } |
| |
| // Test that the functions to collect diagnostic data run to completion, without |
| // worrying too much about what they generate (since that will change). |
| TEST_F(SQLDatabaseTest, CollectDiagnosticInfo) { |
| const std::string corruption_info = db().CollectCorruptionInfo(); |
| EXPECT_NE(std::string::npos, corruption_info.find("SQLITE_CORRUPT")); |
| EXPECT_NE(std::string::npos, corruption_info.find("integrity_check")); |
| |
| // A statement to see in the results. |
| const char* kSimpleSql = "SELECT 'mountain'"; |
| Statement s(db().GetCachedStatement(SQL_FROM_HERE, kSimpleSql)); |
| |
| // Error includes the statement. |
| const std::string readonly_info = db().CollectErrorInfo(SQLITE_READONLY, &s); |
| EXPECT_NE(std::string::npos, readonly_info.find(kSimpleSql)); |
| |
| // Some other error doesn't include the statment. |
| // TODO(shess): This is weak. |
| const std::string full_info = db().CollectErrorInfo(SQLITE_FULL, nullptr); |
| EXPECT_EQ(std::string::npos, full_info.find(kSimpleSql)); |
| |
| // A table to see in the SQLITE_ERROR results. |
| EXPECT_TRUE(db().Execute("CREATE TABLE volcano (x)")); |
| |
| // Version info to see in the SQLITE_ERROR results. |
| sql::MetaTable meta_table; |
| ASSERT_TRUE(meta_table.Init(&db(), 4, 4)); |
| |
| const std::string error_info = db().CollectErrorInfo(SQLITE_ERROR, &s); |
| EXPECT_NE(std::string::npos, error_info.find(kSimpleSql)); |
| EXPECT_NE(std::string::npos, error_info.find("volcano")); |
| EXPECT_NE(std::string::npos, error_info.find("version: 4")); |
| } |
| |
| // Test that a fresh database has mmap enabled by default, if mmap'ed I/O is |
| // enabled by SQLite. |
| TEST_F(SQLDatabaseTest, MmapInitiallyEnabled) { |
| { |
| sql::Statement s(db().GetUniqueStatement("PRAGMA mmap_size")); |
| ASSERT_TRUE(s.Step()) |
| << "All supported SQLite versions should have mmap support"; |
| |
| // If mmap I/O is not on, attempt to turn it on. If that succeeds, then |
| // Open() should have turned it on. If mmap support is disabled, 0 is |
| // returned. If the VFS does not understand SQLITE_FCNTL_MMAP_SIZE (for |
| // instance MojoVFS), -1 is returned. |
| if (s.ColumnInt(0) <= 0) { |
| ASSERT_TRUE(db().Execute("PRAGMA mmap_size = 1048576")); |
| s.Reset(true); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_LE(s.ColumnInt(0), 0); |
| } |
| } |
| |
| // Test that explicit disable prevents mmap'ed I/O. |
| db().Close(); |
| sql::Database::Delete(db_path()); |
| db().set_mmap_disabled(); |
| ASSERT_TRUE(db().Open(db_path())); |
| EXPECT_EQ("0", ExecuteWithResult(&db(), "PRAGMA mmap_size")); |
| } |
| |
| // Test whether a fresh database gets mmap enabled when using alternate status |
| // storage. |
| TEST_F(SQLDatabaseTest, MmapInitiallyEnabledAltStatus) { |
| // Re-open fresh database with alt-status flag set. |
| db().Close(); |
| sql::Database::Delete(db_path()); |
| db().set_mmap_alt_status(); |
| ASSERT_TRUE(db().Open(db_path())); |
| |
| { |
| sql::Statement s(db().GetUniqueStatement("PRAGMA mmap_size")); |
| ASSERT_TRUE(s.Step()) |
| << "All supported SQLite versions should have mmap support"; |
| |
| // If mmap I/O is not on, attempt to turn it on. If that succeeds, then |
| // Open() should have turned it on. If mmap support is disabled, 0 is |
| // returned. If the VFS does not understand SQLITE_FCNTL_MMAP_SIZE (for |
| // instance MojoVFS), -1 is returned. |
| if (s.ColumnInt(0) <= 0) { |
| ASSERT_TRUE(db().Execute("PRAGMA mmap_size = 1048576")); |
| s.Reset(true); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_LE(s.ColumnInt(0), 0); |
| } |
| } |
| |
| // Test that explicit disable overrides set_mmap_alt_status(). |
| db().Close(); |
| sql::Database::Delete(db_path()); |
| db().set_mmap_disabled(); |
| ASSERT_TRUE(db().Open(db_path())); |
| EXPECT_EQ("0", ExecuteWithResult(&db(), "PRAGMA mmap_size")); |
| } |
| |
| TEST_F(SQLDatabaseTest, GetAppropriateMmapSize) { |
| const size_t kMmapAlot = 25 * 1024 * 1024; |
| int64_t mmap_status = MetaTable::kMmapFailure; |
| |
| // If there is no meta table (as for a fresh database), assume that everything |
| // should be mapped, and the status of the meta table is not affected. |
| ASSERT_TRUE(!db().DoesTableExist("meta")); |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| ASSERT_TRUE(!db().DoesTableExist("meta")); |
| |
| // When the meta table is first created, it sets up to map everything. |
| MetaTable().Init(&db(), 1, 1); |
| ASSERT_TRUE(db().DoesTableExist("meta")); |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| ASSERT_TRUE(MetaTable::GetMmapStatus(&db(), &mmap_status)); |
| ASSERT_EQ(MetaTable::kMmapSuccess, mmap_status); |
| |
| // Preload with partial progress of one page. Should map everything. |
| ASSERT_TRUE(db().Execute("REPLACE INTO meta VALUES ('mmap_status', 1)")); |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| ASSERT_TRUE(MetaTable::GetMmapStatus(&db(), &mmap_status)); |
| ASSERT_EQ(MetaTable::kMmapSuccess, mmap_status); |
| |
| // Failure status maps nothing. |
| ASSERT_TRUE(db().Execute("REPLACE INTO meta VALUES ('mmap_status', -2)")); |
| ASSERT_EQ(0UL, db().GetAppropriateMmapSize()); |
| |
| // Re-initializing the meta table does not re-create the key if the table |
| // already exists. |
| ASSERT_TRUE(db().Execute("DELETE FROM meta WHERE key = 'mmap_status'")); |
| MetaTable().Init(&db(), 1, 1); |
| ASSERT_EQ(MetaTable::kMmapSuccess, mmap_status); |
| ASSERT_TRUE(MetaTable::GetMmapStatus(&db(), &mmap_status)); |
| ASSERT_EQ(0, mmap_status); |
| |
| // With no key, map everything and create the key. |
| // TODO(shess): This really should be "maps everything after validating it", |
| // but that is more complicated to structure. |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| ASSERT_TRUE(MetaTable::GetMmapStatus(&db(), &mmap_status)); |
| ASSERT_EQ(MetaTable::kMmapSuccess, mmap_status); |
| } |
| |
| TEST_F(SQLDatabaseTest, GetAppropriateMmapSizeAltStatus) { |
| const size_t kMmapAlot = 25 * 1024 * 1024; |
| |
| // At this point, Database still expects a future [meta] table. |
| ASSERT_FALSE(db().DoesTableExist("meta")); |
| ASSERT_FALSE(db().DoesViewExist("MmapStatus")); |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| ASSERT_FALSE(db().DoesTableExist("meta")); |
| ASSERT_FALSE(db().DoesViewExist("MmapStatus")); |
| |
| // Using alt status, everything should be mapped, with state in the view. |
| db().set_mmap_alt_status(); |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| ASSERT_FALSE(db().DoesTableExist("meta")); |
| ASSERT_TRUE(db().DoesViewExist("MmapStatus")); |
| EXPECT_EQ(base::NumberToString(MetaTable::kMmapSuccess), |
| ExecuteWithResult(&db(), "SELECT * FROM MmapStatus")); |
| |
| // Also maps everything when kMmapSuccess is already in the view. |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| |
| // Preload with partial progress of one page. Should map everything. |
| ASSERT_TRUE(db().Execute("DROP VIEW MmapStatus")); |
| ASSERT_TRUE(db().Execute("CREATE VIEW MmapStatus (value) AS SELECT 1")); |
| ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); |
| EXPECT_EQ(base::NumberToString(MetaTable::kMmapSuccess), |
| ExecuteWithResult(&db(), "SELECT * FROM MmapStatus")); |
| |
| // Failure status leads to nothing being mapped. |
| ASSERT_TRUE(db().Execute("DROP VIEW MmapStatus")); |
| ASSERT_TRUE(db().Execute("CREATE VIEW MmapStatus (value) AS SELECT -2")); |
| ASSERT_EQ(0UL, db().GetAppropriateMmapSize()); |
| EXPECT_EQ(base::NumberToString(MetaTable::kMmapFailure), |
| ExecuteWithResult(&db(), "SELECT * FROM MmapStatus")); |
| } |
| |
| TEST_F(SQLDatabaseTest, EnableWALMode) { |
| db().want_wal_mode(true); |
| #if defined(OS_FUCHSIA) // Exclusive mode needs to be enabled to enter WAL mode |
| // on Fuchsia |
| db().set_exclusive_locking(); |
| #endif // defined(OS_FUCHSIA) |
| ASSERT_TRUE(Reopen()); |
| |
| EXPECT_EQ(ExecuteWithResult(&db(), "PRAGMA journal_mode"), "wal"); |
| } |
| |
| TEST_F(SQLDatabaseTest, DisableWALMode) { |
| db().want_wal_mode(true); |
| #if defined(OS_FUCHSIA) // Exclusive mode needs to be enabled to enter WAL mode |
| // on Fuchsia |
| db().set_exclusive_locking(); |
| #endif // defined(OS_FUCHSIA) |
| ASSERT_TRUE(Reopen()); |
| ASSERT_EQ(ExecuteWithResult(&db(), "PRAGMA journal_mode"), "wal"); |
| |
| // Add some data to ensure that disabling WAL mode correctly handles a |
| // populated WAL file. |
| ASSERT_TRUE( |
| db().Execute("CREATE TABLE foo (id INTEGER UNIQUE, value INTEGER)")); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo VALUES (1, 1)")); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo VALUES (2, 2)")); |
| |
| db().want_wal_mode(false); |
| ASSERT_TRUE(Reopen()); |
| EXPECT_EQ(ExecuteWithResult(&db(), "PRAGMA journal_mode"), "truncate"); |
| // Check that data is preserved |
| EXPECT_EQ(ExecuteWithResult(&db(), "SELECT SUM(value) FROM foo WHERE id < 3"), |
| "3"); |
| } |
| |
| TEST_F(SQLDatabaseTest, CheckpointDatabase) { |
| if (!db().UseWALMode()) { |
| db().Close(); |
| sql::Database::Delete(db_path()); |
| db().want_wal_mode(true); |
| #if defined(OS_FUCHSIA) // Exclusive mode needs to be enabled to enter WAL mode |
| // on Fuchsia |
| db().set_exclusive_locking(); |
| #endif // defined(OS_FUCHSIA) |
| ASSERT_TRUE(db().Open(db_path())); |
| ASSERT_EQ(ExecuteWithResult(&db(), "PRAGMA journal_mode"), "wal"); |
| } |
| |
| base::FilePath wal_path = sql::Database::WriteAheadLogPath(db_path()); |
| |
| int64_t wal_size = 0; |
| // WAL file initially empty. |
| EXPECT_TRUE(GetPathExists(wal_path)); |
| base::GetFileSize(wal_path, &wal_size); |
| EXPECT_EQ(wal_size, 0); |
| |
| ASSERT_TRUE( |
| db().Execute("CREATE TABLE foo (id INTEGER UNIQUE, value INTEGER)")); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo VALUES (1, 1)")); |
| ASSERT_TRUE(db().Execute("INSERT INTO foo VALUES (2, 2)")); |
| |
| // Writes reach WAL file but not db file. |
| base::GetFileSize(wal_path, &wal_size); |
| EXPECT_GT(wal_size, 0); |
| |
| int64_t db_size = 0; |
| base::GetFileSize(db_path(), &db_size); |
| EXPECT_EQ(db_size, db().page_size()); |
| |
| // Checkpoint database to immediately propagate writes to DB file. |
| EXPECT_TRUE(db().CheckpointDatabase()); |
| |
| base::GetFileSize(db_path(), &db_size); |
| EXPECT_GT(db_size, db().page_size()); |
| EXPECT_EQ(ExecuteWithResult(&db(), "SELECT value FROM foo where id=1"), "1"); |
| EXPECT_EQ(ExecuteWithResult(&db(), "SELECT value FROM foo where id=2"), "2"); |
| } |
| |
| TEST_F(SQLDatabaseTest, CorruptSizeInHeaderTest) { |
| ASSERT_TRUE(db().Execute("CREATE TABLE foo (x)")); |
| ASSERT_TRUE(db().Execute("CREATE TABLE bar (x)")); |
| |
| ASSERT_TRUE(CorruptSizeInHeaderOfDB()); |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CORRUPT); |
| EXPECT_FALSE(db().Execute("INSERT INTO foo values (1)")); |
| EXPECT_FALSE(db().DoesTableExist("foo")); |
| EXPECT_FALSE(db().DoesTableExist("bar")); |
| EXPECT_FALSE(db().Execute("SELECT * FROM foo")); |
| EXPECT_TRUE(expecter.SawExpectedErrors()); |
| } |
| } |
| |
| // To prevent invalid SQL from accidentally shipping to production, prepared |
| // statements which fail to compile with SQLITE_ERROR call DLOG(DCHECK). This |
| // case cannot be suppressed with an error callback. |
| TEST_F(SQLDatabaseTest, CompileError) { |
| // DEATH tests not supported on Android, iOS, or Fuchsia. |
| #if !defined(OS_ANDROID) && !defined(OS_IOS) && !defined(OS_FUCHSIA) |
| if (DLOG_IS_ON(FATAL)) { |
| db().set_error_callback(base::BindRepeating(&IgnoreErrorCallback)); |
| ASSERT_DEATH({ db().GetUniqueStatement("SELECT x"); }, |
| "SQL compile error no such column: x"); |
| } |
| #endif // !defined(OS_ANDROID) && !defined(OS_IOS) && !defined(OS_FUCHSIA) |
| } |
| |
| } // namespace sql |