// 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 #include #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/metrics/statistics_recorder.h" #include "base/test/histogram_tester.h" #include "base/trace_event/process_memory_dump.h" #include "sql/connection.h" #include "sql/connection_memory_dump_provider.h" #include "sql/correct_sql_test_base.h" #include "sql/meta_table.h" #include "sql/statement.h" #include "sql/test/error_callback_support.h" #include "sql/test/scoped_error_ignorer.h" #include "sql/test/test_helpers.h" #include "testing/gtest/include/gtest/gtest.h" #include "third_party/sqlite/sqlite3.h" namespace sql { namespace test { // Replaces the database time source with an object that steps forward 1ms on // each check, and which can be jumped forward an arbitrary amount of time // programmatically. class ScopedMockTimeSource { public: ScopedMockTimeSource(Connection& db) : db_(db), delta_(base::TimeDelta::FromMilliseconds(1)) { // Save the current source and replace it. save_.swap(db_.clock_); db_.clock_.reset(new MockTimeSource(*this)); } ~ScopedMockTimeSource() { // Put original source back. db_.clock_.swap(save_); } void adjust(const base::TimeDelta& delta) { current_time_ += delta; } private: class MockTimeSource : public TimeSource { public: MockTimeSource(ScopedMockTimeSource& owner) : owner_(owner) { } ~MockTimeSource() override {} base::TimeTicks Now() override { base::TimeTicks ret(owner_.current_time_); owner_.current_time_ += owner_.delta_; return ret; } private: ScopedMockTimeSource& owner_; DISALLOW_COPY_AND_ASSIGN(MockTimeSource); }; Connection& db_; // Saves original source from |db_|. scoped_ptr save_; // Current time returned by mock. base::TimeTicks current_time_; // How far to jump on each Now() call. base::TimeDelta delta_; DISALLOW_COPY_AND_ASSIGN(ScopedMockTimeSource); }; // Allow a test to add a SQLite function in a scoped context. class ScopedScalarFunction { public: ScopedScalarFunction( sql::Connection& db, const char* function_name, int args, base::Callback cb) : db_(db.db_), function_name_(function_name), cb_(cb) { sqlite3_create_function_v2(db_, function_name, args, SQLITE_UTF8, this, &Run, NULL, NULL, NULL); } ~ScopedScalarFunction() { sqlite3_create_function_v2(db_, function_name_, 0, SQLITE_UTF8, NULL, NULL, NULL, NULL, NULL); } private: static void Run(sqlite3_context* context, int argc, sqlite3_value** argv) { ScopedScalarFunction* t = static_cast( sqlite3_user_data(context)); t->cb_.Run(context, argc, argv); } sqlite3* db_; const char* function_name_; base::Callback cb_; DISALLOW_COPY_AND_ASSIGN(ScopedScalarFunction); }; // Allow a test to add a SQLite commit hook in a scoped context. class ScopedCommitHook { public: ScopedCommitHook(sql::Connection& db, base::Callback cb) : db_(db.db_), cb_(cb) { sqlite3_commit_hook(db_, &Run, this); } ~ScopedCommitHook() { sqlite3_commit_hook(db_, NULL, NULL); } private: static int Run(void* p) { ScopedCommitHook* t = static_cast(p); return t->cb_.Run(); } sqlite3* db_; base::Callback cb_; DISALLOW_COPY_AND_ASSIGN(ScopedCommitHook); }; } // namespace test namespace { // Helper to return the count of items in sqlite_master. Return -1 in // case of error. int SqliteMasterCount(sql::Connection* 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::Connection* 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::Bind(&IgnoreErrorCallback)); EXPECT_GT(*counter, 0u); } void ErrorCallbackResetHelper(sql::Connection* 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); } #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 // SQLite function to adjust mock time by |argv[0]| milliseconds. void sqlite_adjust_millis(sql::test::ScopedMockTimeSource* time_mock, sqlite3_context* context, int argc, sqlite3_value** argv) { int64_t milliseconds = argc > 0 ? sqlite3_value_int64(argv[0]) : 1000; time_mock->adjust(base::TimeDelta::FromMilliseconds(milliseconds)); sqlite3_result_int64(context, milliseconds); } // Adjust mock time by |milliseconds| on commit. int adjust_commit_hook(sql::test::ScopedMockTimeSource* time_mock, int64_t milliseconds) { time_mock->adjust(base::TimeDelta::FromMilliseconds(milliseconds)); return SQLITE_OK; } const char kCommitTime[] = "Sqlite.CommitTime.Test"; const char kAutoCommitTime[] = "Sqlite.AutoCommitTime.Test"; const char kUpdateTime[] = "Sqlite.UpdateTime.Test"; const char kQueryTime[] = "Sqlite.QueryTime.Test"; } // namespace class SQLConnectionTest : public sql::SQLTestBase { public: void SetUp() override { // Any macro histograms which fire before the recorder is initialized cannot // be tested. So this needs to be ahead of Open(). base::StatisticsRecorder::Initialize(); SQLTestBase::SetUp(); } // Handle errors by blowing away the database. void RazeErrorCallback(int expected_error, int error, sql::Statement* stmt) { EXPECT_EQ(expected_error, error); db().RazeAndClose(); } }; TEST_F(SQLConnectionTest, 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(SQLConnectionTest, 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(SQLConnectionTest, CachedStatement) { sql::StatementID id1("foo", 12); ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); ASSERT_TRUE(db().Execute("INSERT INTO foo(a, b) VALUES (12, 13)")); // Create a new cached statement. { sql::Statement s(db().GetCachedStatement(id1, "SELECT a FROM foo")); ASSERT_TRUE(s.is_valid()); ASSERT_TRUE(s.Step()); EXPECT_EQ(12, s.ColumnInt(0)); } // The statement should be cached still. EXPECT_TRUE(db().HasCachedStatement(id1)); { // Get the same statement using different SQL. This should ignore our // SQL and use the cached one (so it will be valid). sql::Statement s(db().GetCachedStatement(id1, "something invalid(")); ASSERT_TRUE(s.is_valid()); ASSERT_TRUE(s.Step()); EXPECT_EQ(12, s.ColumnInt(0)); } // Make sure other statements aren't marked as cached. EXPECT_FALSE(db().HasCachedStatement(SQL_FROM_HERE)); } TEST_F(SQLConnectionTest, 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(SQLConnectionTest, DoesStuffExist) { // Test DoesTableExist. EXPECT_FALSE(db().DoesTableExist("foo")); ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); ASSERT_TRUE(db().Execute("CREATE INDEX foo_a ON foo (a)")); EXPECT_TRUE(db().DoesTableExist("foo")); EXPECT_TRUE(db().DoesIndexExist("foo_a")); // Test DoesColumnExist. EXPECT_FALSE(db().DoesColumnExist("foo", "bar")); EXPECT_TRUE(db().DoesColumnExist("foo", "a")); // Testing for a column on a nonexistent table. EXPECT_FALSE(db().DoesColumnExist("bar", "b")); // Names are not case sensitive. EXPECT_TRUE(db().DoesTableExist("FOO")); EXPECT_TRUE(db().DoesColumnExist("FOO", "A")); } TEST_F(SQLConnectionTest, 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(SQLConnectionTest, 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 ignorer by attempting to insert a duplicate // value into an index. TEST_F(SQLConnectionTest, ScopedIgnoreError) { 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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_CONSTRAINT); ASSERT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } } // Test that clients of GetUntrackedStatement() can test corruption-handling // with ScopedErrorIgnorer. TEST_F(SQLConnectionTest, 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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(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(ignore_errors.CheckIgnoredErrors()); } } TEST_F(SQLConnectionTest, 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::Bind(&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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_CONSTRAINT); ASSERT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); EXPECT_EQ(SQLITE_OK, error); } // base::Bind() 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::Bind(&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::Bind(&ErrorCallbackResetHelper, &db(), &count, RefCounter(&count))); EXPECT_FALSE(db().Execute("INSERT INTO foo (id) VALUES (12)")); } } // Test that sql::Connection::Raze() results in a database without the // tables from the original database. TEST_F(SQLConnectionTest, 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)); } } // Test that Raze() maintains page_size. TEST_F(SQLConnectionTest, RazePageSize) { // Fetch the default page size and double it for use in this test. // Scoped to release statement before Close(). int default_page_size = 0; { sql::Statement s(db().GetUniqueStatement("PRAGMA page_size")); ASSERT_TRUE(s.Step()); default_page_size = s.ColumnInt(0); } ASSERT_GT(default_page_size, 0); const int kPageSize = 2 * default_page_size; // Re-open the database to allow setting the page size. db().Close(); db().set_page_size(kPageSize); ASSERT_TRUE(db().Open(db_path())); // page_size should match the indicated value. sql::Statement s(db().GetUniqueStatement("PRAGMA page_size")); ASSERT_TRUE(s.Step()); ASSERT_EQ(kPageSize, s.ColumnInt(0)); // After raze, page_size should still match the indicated value. ASSERT_TRUE(db().Raze()); s.Reset(true); ASSERT_TRUE(s.Step()); ASSERT_EQ(kPageSize, s.ColumnInt(0)); } // Test that Raze() results are seen in other connections. TEST_F(SQLConnectionTest, RazeMultiple) { const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; ASSERT_TRUE(db().Execute(kCreateSql)); sql::Connection 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)); } // TODO(erg): Enable this in the next patch once I add locking. #if !defined(MOJO_APPTEST_IMPL) TEST_F(SQLConnectionTest, 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::Connection 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. const char *kQuery = "SELECT COUNT(*) FROM foo"; sql::Statement s(other_db.GetUniqueStatement(kQuery)); ASSERT_TRUE(s.Step()); ASSERT_FALSE(db().Raze()); // Complete the statement unlocks the database. ASSERT_FALSE(s.Step()); ASSERT_TRUE(db().Raze()); } #endif // Verify that Raze() can handle an empty file. SQLite should treat // this as an empty database. TEST_F(SQLConnectionTest, 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(SQLConnectionTest, RazeNOTADB) { db().Close(); sql::Connection::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::ScopedErrorIgnorer ignore_errors; // Earlier versions of Chromium compiled against SQLite 3.6.7.3, which // returned SQLITE_IOERR_SHORT_READ in this case. Some platforms may still // compile against an earlier SQLite via USE_SYSTEM_SQLITE. if (ignore_errors.SQLiteLibVersionNumber() < 3008005) { ignore_errors.IgnoreError(SQLITE_IOERR_SHORT_READ); } else { ignore_errors.IgnoreError(SQLITE_NOTADB); } EXPECT_TRUE(db().Open(db_path())); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } 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(SQLConnectionTest, 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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_NOTADB); EXPECT_TRUE(db().Open(db_path())); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } 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(SQLConnectionTest, 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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_CORRUPT); ASSERT_TRUE(db().Open(db_path())); ASSERT_FALSE(db().Execute("PRAGMA auto_vacuum")); db().Close(); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } db().set_error_callback(base::Bind(&SQLConnectionTest::RazeErrorCallback, base::Unretained(this), 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(SQLConnectionTest, 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(SQLConnectionTest, 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 or iOS. #if !defined(OS_ANDROID) && !defined(OS_IOS) // 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 connection without a db"); } #endif } // TODO(shess): Spin up a background thread to hold other_db, to more // closely match real life. That would also allow testing // RazeWithTimeout(). #if defined(OS_ANDROID) TEST_F(SQLConnectionTest, 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 TEST_F(SQLConnectionTest, Delete) { EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); db().Close(); // Should have both a main database file and a journal file because // of journal_mode TRUNCATE. base::FilePath journal(db_path().value() + FILE_PATH_LITERAL("-journal")); ASSERT_TRUE(GetPathExists(db_path())); ASSERT_TRUE(GetPathExists(journal)); sql::Connection::Delete(db_path()); EXPECT_FALSE(GetPathExists(db_path())); EXPECT_FALSE(GetPathExists(journal)); } // This test manually sets on disk permissions; this doesn't apply to the mojo // fork. #if defined(OS_POSIX) && !defined(MOJO_APPTEST_IMPL) // Test that set_restrict_to_user() trims database permissions so that // only the owner (and root) can read. TEST_F(SQLConnectionTest, UserPermission) { // 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. db().Close(); sql::Connection::Delete(db_path()); ASSERT_FALSE(GetPathExists(db_path())); 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, then parts of this test // will need to be updated. EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); base::FilePath journal(db_path().value() + FILE_PATH_LITERAL("-journal")); int mode; // Given a permissive umask, the database is created with permissive // read access for the database and journal. ASSERT_TRUE(GetPathExists(db_path())); ASSERT_TRUE(GetPathExists(journal)); mode = base::FILE_PERMISSION_MASK; EXPECT_TRUE(base::GetPosixFilePermissions(db_path(), &mode)); ASSERT_NE((mode & base::FILE_PERMISSION_USER_MASK), mode); mode = base::FILE_PERMISSION_MASK; EXPECT_TRUE(base::GetPosixFilePermissions(journal, &mode)); ASSERT_NE((mode & base::FILE_PERMISSION_USER_MASK), mode); // Re-open with restricted permissions and verify that the modes // changed for both the main database and the journal. db().Close(); db().set_restrict_to_user(); ASSERT_TRUE(db().Open(db_path())); ASSERT_TRUE(GetPathExists(db_path())); ASSERT_TRUE(GetPathExists(journal)); mode = base::FILE_PERMISSION_MASK; EXPECT_TRUE(base::GetPosixFilePermissions(db_path(), &mode)); ASSERT_EQ((mode & base::FILE_PERMISSION_USER_MASK), mode); mode = base::FILE_PERMISSION_MASK; EXPECT_TRUE(base::GetPosixFilePermissions(journal, &mode)); ASSERT_EQ((mode & base::FILE_PERMISSION_USER_MASK), mode); // Delete and re-create the database, the restriction should still apply. db().Close(); sql::Connection::Delete(db_path()); ASSERT_TRUE(db().Open(db_path())); ASSERT_TRUE(GetPathExists(db_path())); ASSERT_FALSE(GetPathExists(journal)); mode = base::FILE_PERMISSION_MASK; EXPECT_TRUE(base::GetPosixFilePermissions(db_path(), &mode)); ASSERT_EQ((mode & base::FILE_PERMISSION_USER_MASK), mode); // Verify that journal creation inherits the restriction. EXPECT_TRUE(db().Execute("CREATE TABLE x (x)")); ASSERT_TRUE(GetPathExists(journal)); mode = base::FILE_PERMISSION_MASK; EXPECT_TRUE(base::GetPosixFilePermissions(journal, &mode)); ASSERT_EQ((mode & base::FILE_PERMISSION_USER_MASK), mode); } #endif // defined(OS_POSIX) // Test that errors start happening once Poison() is called. TEST_F(SQLConnectionTest, 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 attaching and detaching databases from the connection. TEST_F(SQLConnectionTest, Attach) { EXPECT_TRUE(db().Execute("CREATE TABLE foo (a, b)")); // Create a database to attach to. base::FilePath attach_path = db_path().DirName().AppendASCII("SQLConnectionAttach.db"); const char kAttachmentPoint[] = "other"; { sql::Connection 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 fails in a transaction. EXPECT_TRUE(db().BeginTransaction()); { sql::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_ERROR); EXPECT_FALSE(db().AttachDatabase(attach_path, kAttachmentPoint)); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } // Attach succeeds when the transaction is closed. db().RollbackTransaction(); EXPECT_TRUE(db().AttachDatabase(attach_path, kAttachmentPoint)); EXPECT_TRUE(db().IsSQLValid("SELECT count(*) from other.bar")); // Queries can touch both databases. 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)); } // Detach also fails in a transaction. EXPECT_TRUE(db().BeginTransaction()); { sql::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_ERROR); EXPECT_FALSE(db().DetachDatabase(kAttachmentPoint)); EXPECT_TRUE(db().IsSQLValid("SELECT count(*) from other.bar")); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } // Detach succeeds outside of a transaction. db().RollbackTransaction(); EXPECT_TRUE(db().DetachDatabase(kAttachmentPoint)); EXPECT_FALSE(db().IsSQLValid("SELECT count(*) from other.bar")); } TEST_F(SQLConnectionTest, 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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_CORRUPT); ASSERT_TRUE(db().Open(db_path())); EXPECT_FALSE(db().QuickIntegrityCheck()); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } } TEST_F(SQLConnectionTest, Basic_FullIntegrityCheck) { const std::string kOk("ok"); std::vector 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::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(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(ignore_errors.CheckIgnoredErrors()); } // TODO(shess): CorruptTableOrIndex could be used to produce a // file that would pass the quick check and fail the full check. } // Test Sqlite.Stats histogram for execute-oriented calls. TEST_F(SQLConnectionTest, EventsExecute) { // Re-open with histogram tag. db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().Open(db_path())); // Open() uses Execute() extensively, don't track those calls. base::HistogramTester tester; const char kHistogramName[] = "Sqlite.Stats.Test"; const char kGlobalHistogramName[] = "Sqlite.Stats"; ASSERT_TRUE(db().BeginTransaction()); const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; EXPECT_TRUE(db().Execute(kCreateSql)); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (10, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (11, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (12, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (13, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (14, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (15, 'text');" "INSERT INTO foo VALUES (16, 'text');" "INSERT INTO foo VALUES (17, 'text');" "INSERT INTO foo VALUES (18, 'text');" "INSERT INTO foo VALUES (19, 'text')")); ASSERT_TRUE(db().CommitTransaction()); ASSERT_TRUE(db().BeginTransaction()); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (20, 'text')")); db().RollbackTransaction(); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (20, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (21, 'text')")); // The create, 5 inserts, multi-statement insert, rolled-back insert, 2 // inserts outside transaction. tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_EXECUTE, 10); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_EXECUTE, 10); // All of the executes, with the multi-statement inserts broken out, plus one // for each begin, commit, and rollback. tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_RUN, 18); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_RUN, 18); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_ROWS, 0); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_ROWS, 0); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_SUCCESS, 18); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_SUCCESS, 18); // The 2 inserts outside the transaction. tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_CHANGES_AUTOCOMMIT, 2); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_CHANGES_AUTOCOMMIT, 2); // 11 inserts inside transactions. tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_CHANGES, 11); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_CHANGES, 11); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_BEGIN, 2); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_BEGIN, 2); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_COMMIT, 1); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_COMMIT, 1); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_ROLLBACK, 1); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_ROLLBACK, 1); } // Test Sqlite.Stats histogram for prepared statements. TEST_F(SQLConnectionTest, EventsStatement) { // Re-open with histogram tag. db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().Open(db_path())); const char kHistogramName[] = "Sqlite.Stats.Test"; const char kGlobalHistogramName[] = "Sqlite.Stats"; const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; EXPECT_TRUE(db().Execute(kCreateSql)); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (10, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (11, 'text')")); EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (12, 'text')")); { base::HistogramTester tester; { sql::Statement s(db().GetUniqueStatement("SELECT value FROM foo")); while (s.Step()) { } } tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_RUN, 1); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_RUN, 1); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_ROWS, 3); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_ROWS, 3); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_SUCCESS, 1); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_SUCCESS, 1); } { base::HistogramTester tester; { sql::Statement s(db().GetUniqueStatement( "SELECT value FROM foo WHERE id > 10")); while (s.Step()) { } } tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_RUN, 1); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_RUN, 1); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_ROWS, 2); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_ROWS, 2); tester.ExpectBucketCount(kHistogramName, sql::Connection::EVENT_STATEMENT_SUCCESS, 1); tester.ExpectBucketCount(kGlobalHistogramName, sql::Connection::EVENT_STATEMENT_SUCCESS, 1); } } // Read-only query allocates time to QueryTime, but not others. TEST_F(SQLConnectionTest, TimeQuery) { // Re-open with histogram tag. Use an in-memory database to minimize variance // due to filesystem. db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().OpenInMemory()); sql::test::ScopedMockTimeSource time_mock(db()); const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; EXPECT_TRUE(db().Execute(kCreateSql)); // Function to inject pauses into statements. sql::test::ScopedScalarFunction scoper( db(), "milliadjust", 1, base::Bind(&sqlite_adjust_millis, &time_mock)); base::HistogramTester tester; EXPECT_TRUE(db().Execute("SELECT milliadjust(10)")); scoped_ptr samples( tester.GetHistogramSamplesSinceCreation(kQueryTime)); ASSERT_TRUE(samples); // 10 for the adjust, 1 for the measurement. EXPECT_EQ(11, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kUpdateTime); EXPECT_EQ(0, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kCommitTime); EXPECT_EQ(0, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kAutoCommitTime); EXPECT_EQ(0, samples->sum()); } // Autocommit update allocates time to QueryTime, UpdateTime, and // AutoCommitTime. TEST_F(SQLConnectionTest, TimeUpdateAutocommit) { // Re-open with histogram tag. Use an in-memory database to minimize variance // due to filesystem. db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().OpenInMemory()); sql::test::ScopedMockTimeSource time_mock(db()); const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; EXPECT_TRUE(db().Execute(kCreateSql)); // Function to inject pauses into statements. sql::test::ScopedScalarFunction scoper( db(), "milliadjust", 1, base::Bind(&sqlite_adjust_millis, &time_mock)); base::HistogramTester tester; EXPECT_TRUE(db().Execute("INSERT INTO foo VALUES (10, milliadjust(10))")); scoped_ptr samples( tester.GetHistogramSamplesSinceCreation(kQueryTime)); ASSERT_TRUE(samples); // 10 for the adjust, 1 for the measurement. EXPECT_EQ(11, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kUpdateTime); ASSERT_TRUE(samples); // 10 for the adjust, 1 for the measurement. EXPECT_EQ(11, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kCommitTime); EXPECT_EQ(0, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kAutoCommitTime); ASSERT_TRUE(samples); // 10 for the adjust, 1 for the measurement. EXPECT_EQ(11, samples->sum()); } // Update with explicit transaction allocates time to QueryTime, UpdateTime, and // CommitTime. TEST_F(SQLConnectionTest, TimeUpdateTransaction) { // Re-open with histogram tag. Use an in-memory database to minimize variance // due to filesystem. db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().OpenInMemory()); sql::test::ScopedMockTimeSource time_mock(db()); const char* kCreateSql = "CREATE TABLE foo (id INTEGER PRIMARY KEY, value)"; EXPECT_TRUE(db().Execute(kCreateSql)); // Function to inject pauses into statements. sql::test::ScopedScalarFunction scoper( db(), "milliadjust", 1, base::Bind(&sqlite_adjust_millis, &time_mock)); base::HistogramTester tester; { // Make the commit slow. sql::test::ScopedCommitHook scoped_hook( db(), base::Bind(adjust_commit_hook, &time_mock, 100)); ASSERT_TRUE(db().BeginTransaction()); EXPECT_TRUE(db().Execute( "INSERT INTO foo VALUES (11, milliadjust(10))")); EXPECT_TRUE(db().Execute( "UPDATE foo SET value = milliadjust(10) WHERE id = 11")); EXPECT_TRUE(db().CommitTransaction()); } scoped_ptr samples( tester.GetHistogramSamplesSinceCreation(kQueryTime)); ASSERT_TRUE(samples); // 10 for insert adjust, 10 for update adjust, 100 for commit adjust, 1 for // measuring each of BEGIN, INSERT, UPDATE, and COMMIT. EXPECT_EQ(124, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kUpdateTime); ASSERT_TRUE(samples); // 10 for insert adjust, 10 for update adjust, 100 for commit adjust, 1 for // measuring each of INSERT, UPDATE, and COMMIT. EXPECT_EQ(123, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kCommitTime); ASSERT_TRUE(samples); // 100 for commit adjust, 1 for measuring COMMIT. EXPECT_EQ(101, samples->sum()); samples = tester.GetHistogramSamplesSinceCreation(kAutoCommitTime); EXPECT_EQ(0, samples->sum()); } TEST_F(SQLConnectionTest, OnMemoryDump) { base::trace_event::ProcessMemoryDump pmd(nullptr); base::trace_event::MemoryDumpArgs args = { base::trace_event::MemoryDumpLevelOfDetail::DETAILED}; 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(SQLConnectionTest, CollectDiagnosticInfo) { // NOTE(shess): Mojo doesn't support everything CollectCorruptionInfo() uses, // but it's not really clear if adding support would be useful. #if !defined(MOJO_APPTEST_IMPL) 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")); #endif // 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, NULL); 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")); } #if !defined(MOJO_APPTEST_IMPL) TEST_F(SQLConnectionTest, RegisterIntentToUpload) { base::FilePath breadcrumb_path( db_path().DirName().Append(FILE_PATH_LITERAL("sqlite-diag"))); // No stale diagnostic store. ASSERT_TRUE(!base::PathExists(breadcrumb_path)); // The histogram tag is required to enable diagnostic features. EXPECT_FALSE(db().RegisterIntentToUpload()); EXPECT_TRUE(!base::PathExists(breadcrumb_path)); db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().Open(db_path())); // Should signal upload only once. EXPECT_TRUE(db().RegisterIntentToUpload()); EXPECT_TRUE(base::PathExists(breadcrumb_path)); EXPECT_FALSE(db().RegisterIntentToUpload()); // Changing the histogram tag should allow new upload to succeed. db().Close(); db().set_histogram_tag("NewTest"); ASSERT_TRUE(db().Open(db_path())); EXPECT_TRUE(db().RegisterIntentToUpload()); EXPECT_FALSE(db().RegisterIntentToUpload()); // Old tag is still prevented. db().Close(); db().set_histogram_tag("Test"); ASSERT_TRUE(db().Open(db_path())); EXPECT_FALSE(db().RegisterIntentToUpload()); } #endif // !defined(MOJO_APPTEST_IMPL) // Test that a fresh database has mmap enabled by default, if mmap'ed I/O is // enabled by SQLite. TEST_F(SQLConnectionTest, MmapInitiallyEnabled) { { sql::Statement s(db().GetUniqueStatement("PRAGMA mmap_size")); // SQLite doesn't have mmap support (perhaps an early iOS release). if (!s.Step()) return; // 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::Connection::Delete(db_path()); db().set_mmap_disabled(); ASSERT_TRUE(db().Open(db_path())); { sql::Statement s(db().GetUniqueStatement("PRAGMA mmap_size")); ASSERT_TRUE(s.Step()); EXPECT_LE(s.ColumnInt(0), 0); } } // Test specific operation of the GetAppropriateMmapSize() helper. #if defined(OS_IOS) TEST_F(SQLConnectionTest, GetAppropriateMmapSize) { ASSERT_EQ(0UL, db().GetAppropriateMmapSize()); } #else TEST_F(SQLConnectionTest, GetAppropriateMmapSize) { const size_t kMmapAlot = 25 * 1024 * 1024; // If there is no meta table (as for a fresh database), assume that everything // should be mapped. ASSERT_TRUE(!db().DoesTableExist("meta")); ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot); // Getting the status fails if there is an error. GetAppropriateMmapSize() // should not call GetMmapStatus() if the table does not exist, but this is an // easy error to setup for testing. int64_t mmap_status; { sql::ScopedErrorIgnorer ignore_errors; ignore_errors.IgnoreError(SQLITE_ERROR); ASSERT_FALSE(MetaTable::GetMmapStatus(&db(), &mmap_status)); ASSERT_TRUE(ignore_errors.CheckIgnoredErrors()); } // 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); // 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); } #endif } // namespace sql