| // 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 <string> |
| |
| #include "base/bind.h" |
| #include "base/files/file_path.h" |
| #include "base/files/file_util.h" |
| #include "base/files/memory_mapped_file.h" |
| #include "base/files/scoped_temp_dir.h" |
| #include "build/build_config.h" |
| #include "sql/database.h" |
| #include "sql/statement.h" |
| #include "sql/test/scoped_error_expecter.h" |
| #include "sql/test/test_helpers.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/sqlite/sqlite3.h" |
| |
| #if defined(OS_MAC) |
| #include "base/mac/mac_util.h" |
| #endif |
| |
| // Test that certain features are/are-not enabled in our SQLite. |
| |
| namespace sql { |
| namespace { |
| |
| using sql::test::ExecuteWithResult; |
| using sql::test::ExecuteWithResults; |
| |
| } // namespace |
| |
| class SQLiteFeaturesTest : public testing::Test { |
| public: |
| ~SQLiteFeaturesTest() override = default; |
| |
| void SetUp() override { |
| ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); |
| db_path_ = temp_dir_.GetPath().AppendASCII("sqlite_features_test.sqlite"); |
| ASSERT_TRUE(db_.Open(db_path_)); |
| } |
| |
| bool Reopen() { |
| db_.Close(); |
| return db_.Open(db_path_); |
| } |
| |
| protected: |
| base::ScopedTempDir temp_dir_; |
| base::FilePath db_path_; |
| Database db_; |
| |
| // The error code of the most recent error. |
| int error_ = SQLITE_OK; |
| // Original statement which has caused the error. |
| std::string sql_text_; |
| }; |
| |
| // Do not include fts1 support, it is not useful, and nobody is |
| // looking at it. |
| TEST_F(SQLiteFeaturesTest, NoFTS1) { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_ERROR); |
| EXPECT_FALSE(db_.Execute("CREATE VIRTUAL TABLE foo USING fts1(x)")); |
| EXPECT_TRUE(expecter.SawExpectedErrors()); |
| } |
| |
| // Do not include fts2 support, it is not useful, and nobody is |
| // looking at it. |
| TEST_F(SQLiteFeaturesTest, NoFTS2) { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_ERROR); |
| EXPECT_FALSE(db_.Execute("CREATE VIRTUAL TABLE foo USING fts2(x)")); |
| EXPECT_TRUE(expecter.SawExpectedErrors()); |
| } |
| |
| // fts3 is exposed in WebSQL. |
| TEST_F(SQLiteFeaturesTest, FTS3) { |
| EXPECT_TRUE(db_.Execute("CREATE VIRTUAL TABLE foo USING fts3(x)")); |
| } |
| |
| // Originally history used fts2, which Chromium patched to treat "foo*" as a |
| // prefix search, though the icu tokenizer would return it as two tokens {"foo", |
| // "*"}. Test that fts3 works correctly. |
| TEST_F(SQLiteFeaturesTest, FTS3_Prefix) { |
| db_.Close(); |
| sql::Database db({.enable_virtual_tables_discouraged = true}); |
| ASSERT_TRUE(db.Open(db_path_)); |
| |
| static constexpr char kCreateSql[] = |
| "CREATE VIRTUAL TABLE foo USING fts3(x, tokenize icu)"; |
| ASSERT_TRUE(db.Execute(kCreateSql)); |
| |
| ASSERT_TRUE(db.Execute("INSERT INTO foo (x) VALUES ('test')")); |
| |
| EXPECT_EQ("test", |
| ExecuteWithResult(&db, "SELECT x FROM foo WHERE x MATCH 'te*'")); |
| } |
| |
| // Verify that Chromium's SQLite is compiled with HAVE_USLEEP defined. With |
| // HAVE_USLEEP, SQLite uses usleep() with millisecond granularity. Otherwise it |
| // uses sleep() with second granularity. |
| TEST_F(SQLiteFeaturesTest, UsesUsleep) { |
| base::TimeTicks before = base::TimeTicks::Now(); |
| sqlite3_sleep(1); |
| base::TimeDelta delta = base::TimeTicks::Now() - before; |
| |
| // It is not impossible for this to be over 1000 if things are compiled |
| // correctly, but that is very unlikely. Most platforms seem to be exactly |
| // 1ms, with the rest at 2ms, and the worst observed cases was ASAN at 7ms. |
| EXPECT_LT(delta.InMilliseconds(), 1000); |
| } |
| |
| // Ensure that our SQLite version has working foreign key support with cascade |
| // delete support. |
| TEST_F(SQLiteFeaturesTest, ForeignKeySupport) { |
| ASSERT_TRUE(db_.Execute("PRAGMA foreign_keys=1")); |
| ASSERT_TRUE(db_.Execute("CREATE TABLE parents (id INTEGER PRIMARY KEY)")); |
| ASSERT_TRUE(db_.Execute( |
| "CREATE TABLE children (" |
| " id INTEGER PRIMARY KEY," |
| " pid INTEGER NOT NULL REFERENCES parents(id) ON DELETE CASCADE)")); |
| static const char kSelectParentsSql[] = "SELECT * FROM parents ORDER BY id"; |
| static const char kSelectChildrenSql[] = "SELECT * FROM children ORDER BY id"; |
| |
| // Inserting without a matching parent should fail with constraint violation. |
| EXPECT_EQ("", ExecuteWithResult(&db_, kSelectParentsSql)); |
| { |
| sql::test::ScopedErrorExpecter expecter; |
| expecter.ExpectError(SQLITE_CONSTRAINT | SQLITE_CONSTRAINT_FOREIGNKEY); |
| EXPECT_FALSE(db_.Execute("INSERT INTO children VALUES (10, 1)")); |
| EXPECT_TRUE(expecter.SawExpectedErrors()); |
| } |
| EXPECT_EQ("", ExecuteWithResult(&db_, kSelectChildrenSql)); |
| |
| // Inserting with a matching parent should work. |
| ASSERT_TRUE(db_.Execute("INSERT INTO parents VALUES (1)")); |
| EXPECT_EQ("1", ExecuteWithResults(&db_, kSelectParentsSql, "|", "\n")); |
| EXPECT_TRUE(db_.Execute("INSERT INTO children VALUES (11, 1)")); |
| EXPECT_TRUE(db_.Execute("INSERT INTO children VALUES (12, 1)")); |
| EXPECT_EQ("11|1\n12|1", |
| ExecuteWithResults(&db_, kSelectChildrenSql, "|", "\n")); |
| |
| // Deleting the parent should cascade, deleting the children as well. |
| ASSERT_TRUE(db_.Execute("DELETE FROM parents")); |
| EXPECT_EQ("", ExecuteWithResult(&db_, kSelectParentsSql)); |
| EXPECT_EQ("", ExecuteWithResult(&db_, kSelectChildrenSql)); |
| } |
| |
| // Ensure that our SQLite version supports booleans. |
| TEST_F(SQLiteFeaturesTest, BooleanSupport) { |
| ASSERT_TRUE( |
| db_.Execute("CREATE TABLE flags (" |
| " id INTEGER PRIMARY KEY," |
| " true_flag BOOL NOT NULL DEFAULT TRUE," |
| " false_flag BOOL NOT NULL DEFAULT FALSE)")); |
| ASSERT_TRUE(db_.Execute( |
| "ALTER TABLE flags ADD COLUMN true_flag2 BOOL NOT NULL DEFAULT TRUE")); |
| ASSERT_TRUE(db_.Execute( |
| "ALTER TABLE flags ADD COLUMN false_flag2 BOOL NOT NULL DEFAULT FALSE")); |
| ASSERT_TRUE(db_.Execute("INSERT INTO flags (id) VALUES (1)")); |
| |
| sql::Statement s(db_.GetUniqueStatement( |
| "SELECT true_flag, false_flag, true_flag2, false_flag2" |
| " FROM flags WHERE id=1;")); |
| ASSERT_TRUE(s.Step()); |
| |
| EXPECT_TRUE(s.ColumnBool(0)) << " default TRUE at table creation time"; |
| EXPECT_TRUE(!s.ColumnBool(1)) << " default FALSE at table creation time"; |
| |
| EXPECT_TRUE(s.ColumnBool(2)) << " default TRUE added by altering the table"; |
| EXPECT_TRUE(!s.ColumnBool(3)) << " default FALSE added by altering the table"; |
| } |
| |
| TEST_F(SQLiteFeaturesTest, IcuEnabled) { |
| sql::Statement lower_en(db_.GetUniqueStatement("SELECT lower('I', 'en_us')")); |
| ASSERT_TRUE(lower_en.Step()); |
| EXPECT_EQ("i", lower_en.ColumnString(0)); |
| |
| sql::Statement lower_tr(db_.GetUniqueStatement("SELECT lower('I', 'tr_tr')")); |
| ASSERT_TRUE(lower_tr.Step()); |
| EXPECT_EQ("\u0131", lower_tr.ColumnString(0)); |
| } |
| |
| // Verify that OS file writes are reflected in the memory mapping of a |
| // memory-mapped file. Normally SQLite writes to memory-mapped files using |
| // memcpy(), which should stay consistent. Our SQLite is slightly patched to |
| // mmap read only, then write using OS file writes. If the memory-mapped |
| // version doesn't reflect the OS file writes, SQLite's memory-mapped I/O should |
| // be disabled on this platform using SQLITE_MAX_MMAP_SIZE=0. |
| TEST_F(SQLiteFeaturesTest, Mmap) { |
| // Try to turn on mmap'ed I/O. |
| ignore_result(db_.Execute("PRAGMA mmap_size = 1048576")); |
| { |
| sql::Statement s(db_.GetUniqueStatement("PRAGMA mmap_size")); |
| |
| ASSERT_TRUE(s.Step()); |
| ASSERT_GT(s.ColumnInt64(0), 0); |
| } |
| db_.Close(); |
| |
| const uint32_t kFlags = |
| base::File::FLAG_OPEN | base::File::FLAG_READ | base::File::FLAG_WRITE; |
| char buf[4096]; |
| |
| // Create a file with a block of '0', a block of '1', and a block of '2'. |
| { |
| base::File f(db_path_, kFlags); |
| ASSERT_TRUE(f.IsValid()); |
| memset(buf, '0', sizeof(buf)); |
| ASSERT_EQ(f.Write(0*sizeof(buf), buf, sizeof(buf)), (int)sizeof(buf)); |
| |
| memset(buf, '1', sizeof(buf)); |
| ASSERT_EQ(f.Write(1*sizeof(buf), buf, sizeof(buf)), (int)sizeof(buf)); |
| |
| memset(buf, '2', sizeof(buf)); |
| ASSERT_EQ(f.Write(2*sizeof(buf), buf, sizeof(buf)), (int)sizeof(buf)); |
| } |
| |
| // mmap the file and verify that everything looks right. |
| { |
| base::MemoryMappedFile m; |
| ASSERT_TRUE(m.Initialize(db_path_)); |
| |
| memset(buf, '0', sizeof(buf)); |
| ASSERT_EQ(0, memcmp(buf, m.data() + 0*sizeof(buf), sizeof(buf))); |
| |
| memset(buf, '1', sizeof(buf)); |
| ASSERT_EQ(0, memcmp(buf, m.data() + 1*sizeof(buf), sizeof(buf))); |
| |
| memset(buf, '2', sizeof(buf)); |
| ASSERT_EQ(0, memcmp(buf, m.data() + 2*sizeof(buf), sizeof(buf))); |
| |
| // Scribble some '3' into the first page of the file, and verify that it |
| // looks the same in the memory mapping. |
| { |
| base::File f(db_path_, kFlags); |
| ASSERT_TRUE(f.IsValid()); |
| memset(buf, '3', sizeof(buf)); |
| ASSERT_EQ(f.Write(0*sizeof(buf), buf, sizeof(buf)), (int)sizeof(buf)); |
| } |
| ASSERT_EQ(0, memcmp(buf, m.data() + 0*sizeof(buf), sizeof(buf))); |
| |
| // Repeat with a single '4' in case page-sized blocks are different. |
| const size_t kOffset = 1*sizeof(buf) + 123; |
| ASSERT_NE('4', m.data()[kOffset]); |
| { |
| base::File f(db_path_, kFlags); |
| ASSERT_TRUE(f.IsValid()); |
| buf[0] = '4'; |
| ASSERT_EQ(f.Write(kOffset, buf, 1), 1); |
| } |
| ASSERT_EQ('4', m.data()[kOffset]); |
| } |
| } |
| |
| // Verify that http://crbug.com/248608 is fixed. In this bug, the |
| // compiled regular expression is effectively cached with the prepared |
| // statement, causing errors if the regular expression is rebound. |
| TEST_F(SQLiteFeaturesTest, CachedRegexp) { |
| ASSERT_TRUE(db_.Execute("CREATE TABLE r (id INTEGER UNIQUE, x TEXT)")); |
| ASSERT_TRUE(db_.Execute("INSERT INTO r VALUES (1, 'this is a test')")); |
| ASSERT_TRUE(db_.Execute("INSERT INTO r VALUES (2, 'that was a test')")); |
| ASSERT_TRUE(db_.Execute("INSERT INTO r VALUES (3, 'this is a stickup')")); |
| ASSERT_TRUE(db_.Execute("INSERT INTO r VALUES (4, 'that sucks')")); |
| |
| static const char kSimpleSql[] = "SELECT SUM(id) FROM r WHERE x REGEXP ?"; |
| sql::Statement s(db_.GetCachedStatement(SQL_FROM_HERE, kSimpleSql)); |
| |
| s.BindString(0, "this.*"); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(4, s.ColumnInt(0)); |
| |
| s.Reset(true); |
| s.BindString(0, "that.*"); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(6, s.ColumnInt(0)); |
| |
| s.Reset(true); |
| s.BindString(0, ".*test"); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(3, s.ColumnInt(0)); |
| |
| s.Reset(true); |
| s.BindString(0, ".* s[a-z]+"); |
| ASSERT_TRUE(s.Step()); |
| EXPECT_EQ(7, s.ColumnInt(0)); |
| } |
| |
| #if defined(OS_MAC) |
| // If a database file is marked to be excluded from Time Machine, verify that |
| // journal files are also excluded. |
| TEST_F(SQLiteFeaturesTest, TimeMachine) { |
| ASSERT_TRUE(db_.Execute("CREATE TABLE t (id INTEGER PRIMARY KEY)")); |
| db_.Close(); |
| |
| base::FilePath journal_path = sql::Database::JournalPath(db_path_); |
| ASSERT_TRUE(base::PathExists(db_path_)); |
| ASSERT_TRUE(base::PathExists(journal_path)); |
| |
| // Not excluded to start. |
| EXPECT_FALSE(base::mac::GetFileBackupExclusion(db_path_)); |
| EXPECT_FALSE(base::mac::GetFileBackupExclusion(journal_path)); |
| |
| // Exclude the main database file. |
| EXPECT_TRUE(base::mac::SetFileBackupExclusion(db_path_)); |
| |
| EXPECT_TRUE(base::mac::GetFileBackupExclusion(db_path_)); |
| EXPECT_FALSE(base::mac::GetFileBackupExclusion(journal_path)); |
| |
| EXPECT_TRUE(db_.Open(db_path_)); |
| ASSERT_TRUE(db_.Execute("INSERT INTO t VALUES (1)")); |
| EXPECT_TRUE(base::mac::GetFileBackupExclusion(db_path_)); |
| EXPECT_TRUE(base::mac::GetFileBackupExclusion(journal_path)); |
| |
| // TODO(shess): In WAL mode this will touch -wal and -shm files. -shm files |
| // could be always excluded. |
| } |
| #endif |
| |
| #if !defined(OS_FUCHSIA) |
| // SQLite WAL mode defaults to checkpointing the WAL on close. This would push |
| // additional work into Chromium shutdown. Verify that SQLite supports a config |
| // option to not checkpoint on close. |
| TEST_F(SQLiteFeaturesTest, WALNoClose) { |
| base::FilePath wal_path = sql::Database::WriteAheadLogPath(db_path_); |
| |
| // Turn on WAL mode, then verify that the mode changed (WAL is supported). |
| ASSERT_TRUE(db_.Execute("PRAGMA journal_mode = WAL")); |
| ASSERT_EQ("wal", ExecuteWithResult(&db_, "PRAGMA journal_mode")); |
| |
| // The WAL file is created lazily on first change. |
| ASSERT_TRUE(db_.Execute("CREATE TABLE foo (a, b)")); |
| |
| // By default, the WAL is checkpointed then deleted on close. |
| ASSERT_TRUE(base::PathExists(wal_path)); |
| db_.Close(); |
| ASSERT_FALSE(base::PathExists(wal_path)); |
| |
| // Reopen and configure the database to not checkpoint WAL on close. |
| ASSERT_TRUE(Reopen()); |
| ASSERT_TRUE(db_.Execute("PRAGMA journal_mode = WAL")); |
| ASSERT_TRUE(db_.Execute("ALTER TABLE foo ADD COLUMN c")); |
| ASSERT_EQ( |
| SQLITE_OK, |
| sqlite3_db_config(db_.db_, SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE, 1, nullptr)); |
| ASSERT_TRUE(base::PathExists(wal_path)); |
| db_.Close(); |
| ASSERT_TRUE(base::PathExists(wal_path)); |
| } |
| #endif |
| |
| } // namespace sql |