blob: 96cc25b45aa120c84515042247cbbf3076c2b098 [file] [log] [blame]
// 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 "base/file_util.h"
#include "base/scoped_temp_dir.h"
#include "sql/connection.h"
#include "sql/statement.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/sqlite/sqlite3.h"
class SQLConnectionTest : public testing::Test {
public:
SQLConnectionTest() {}
void SetUp() {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(db_.Open(db_path()));
}
void TearDown() {
db_.Close();
}
sql::Connection& db() { return db_; }
FilePath db_path() {
return temp_dir_.path().AppendASCII("SQLConnectionTest.db");
}
private:
ScopedTempDir temp_dir_;
sql::Connection db_;
};
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)"));
EXPECT_TRUE(db().DoesTableExist("foo"));
// Should be case sensitive.
EXPECT_FALSE(db().DoesTableExist("FOO"));
// 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"));
}
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 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 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)"));
{
sql::Statement s(db().GetUniqueStatement("PRAGMA page_count"));
ASSERT_TRUE(s.Step());
EXPECT_EQ(2, 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));
EXPECT_EQ(2, 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));
}
{
sql::Statement s(db().GetUniqueStatement("SELECT * FROM sqlite_master"));
ASSERT_FALSE(s.Step());
}
}
// Test that Raze() maintains page_size.
TEST_F(SQLConnectionTest, RazePageSize) {
const int kPageSize = 4096;
// Make sure that the default size isn't already |kPageSize|.
// Scoped to release statement before Close().
{
sql::Statement s(db().GetUniqueStatement("PRAGMA page_size"));
ASSERT_TRUE(s.Step());
ASSERT_NE(kPageSize, s.ColumnInt(0));
}
// 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();
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.
const char *kTablesQuery = "SELECT COUNT(*) FROM sqlite_master";
sql::Statement s(other_db.GetUniqueStatement(kTablesQuery));
ASSERT_TRUE(s.Step());
ASSERT_EQ(1, s.ColumnInt(0));
ASSERT_FALSE(s.Step()); // Releases the shared lock.
ASSERT_TRUE(db().Raze());
// The second connection sees the updated database.
s.Reset();
ASSERT_TRUE(s.Step());
ASSERT_EQ(0, s.ColumnInt(0));
}
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());
}
// TODO(shess): Spin up a background thread to hold other_db, to more
// closely match real life. That would also allow testing
// RazeWithTimeout().