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// 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 <string>
#include "base/bind.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/strings/string_piece_forward.h"
#include "sql/database.h"
#include "sql/statement.h"
#include "sql/test/error_callback_support.h"
#include "sql/test/scoped_error_expecter.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/sqlite/sqlite3.h"
namespace sql {
namespace {
class SQLStatementTest : public testing::Test {
public:
~SQLStatementTest() override = default;
void SetUp() override {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(
db_.Open(temp_dir_.GetPath().AppendASCII("statement_test.sqlite")));
}
protected:
base::ScopedTempDir temp_dir_;
Database db_;
};
TEST_F(SQLStatementTest, Assign) {
Statement s;
EXPECT_FALSE(s.is_valid());
s.Assign(db_.GetUniqueStatement("CREATE TABLE foo (a, b)"));
EXPECT_TRUE(s.is_valid());
}
TEST_F(SQLStatementTest, Run) {
ASSERT_TRUE(db_.Execute("CREATE TABLE foo (a, b)"));
ASSERT_TRUE(db_.Execute("INSERT INTO foo (a, b) VALUES (3, 12)"));
Statement s(db_.GetUniqueStatement("SELECT b FROM foo WHERE a=?"));
EXPECT_FALSE(s.Succeeded());
// Stepping it won't work since we haven't bound the value.
EXPECT_FALSE(s.Step());
// Run should fail since this produces output, and we should use Step(). This
// gets a bit wonky since sqlite says this is OK so succeeded is set.
s.Reset(true);
s.BindInt(0, 3);
EXPECT_FALSE(s.Run());
EXPECT_EQ(SQLITE_ROW, db_.GetErrorCode());
EXPECT_TRUE(s.Succeeded());
// Resetting it should put it back to the previous state (not runnable).
s.Reset(true);
EXPECT_FALSE(s.Succeeded());
// Binding and stepping should produce one row.
s.BindInt(0, 3);
EXPECT_TRUE(s.Step());
EXPECT_TRUE(s.Succeeded());
EXPECT_EQ(12, s.ColumnInt(0));
EXPECT_FALSE(s.Step());
EXPECT_TRUE(s.Succeeded());
}
// Error callback called for error running a statement.
TEST_F(SQLStatementTest, ErrorCallback) {
ASSERT_TRUE(db_.Execute("CREATE TABLE foo (a INTEGER PRIMARY KEY, b)"));
int error = SQLITE_OK;
ScopedErrorCallback sec(&db_,
base::BindRepeating(&CaptureErrorCallback, &error));
// Insert in the foo table the primary key. It is an error to insert
// something other than an number. This error causes the error callback
// handler to be called with SQLITE_MISMATCH as error code.
Statement s(db_.GetUniqueStatement("INSERT INTO foo (a) VALUES (?)"));
EXPECT_TRUE(s.is_valid());
s.BindCString(0, "bad bad");
EXPECT_FALSE(s.Run());
EXPECT_EQ(SQLITE_MISMATCH, error);
}
// Error expecter works for error running a statement.
TEST_F(SQLStatementTest, ScopedIgnoreError) {
ASSERT_TRUE(db_.Execute("CREATE TABLE foo (a INTEGER PRIMARY KEY, b)"));
Statement s(db_.GetUniqueStatement("INSERT INTO foo (a) VALUES (?)"));
EXPECT_TRUE(s.is_valid());
{
sql::test::ScopedErrorExpecter expecter;
expecter.ExpectError(SQLITE_MISMATCH);
s.BindCString(0, "bad bad");
ASSERT_FALSE(s.Run());
ASSERT_TRUE(expecter.SawExpectedErrors());
}
}
TEST_F(SQLStatementTest, Reset) {
ASSERT_TRUE(db_.Execute("CREATE TABLE foo (a, b)"));
ASSERT_TRUE(db_.Execute("INSERT INTO foo (a, b) VALUES (3, 12)"));
ASSERT_TRUE(db_.Execute("INSERT INTO foo (a, b) VALUES (4, 13)"));
Statement s(db_.GetUniqueStatement("SELECT b FROM foo WHERE a = ? "));
s.BindInt(0, 3);
ASSERT_TRUE(s.Step());
EXPECT_EQ(12, s.ColumnInt(0));
ASSERT_FALSE(s.Step());
s.Reset(false);
// Verify that we can get all rows again.
ASSERT_TRUE(s.Step());
EXPECT_EQ(12, s.ColumnInt(0));
EXPECT_FALSE(s.Step());
s.Reset(true);
ASSERT_FALSE(s.Step());
}
TEST_F(SQLStatementTest, BindBlob) {
ASSERT_TRUE(db_.Execute("CREATE TABLE blobs (b BLOB NOT NULL)"));
const std::vector<std::vector<uint8_t>> values = {
{},
{0x01},
{0x41, 0x42, 0x43, 0x44},
};
Statement insert(db_.GetUniqueStatement("INSERT INTO blobs VALUES(?)"));
for (const std::vector<uint8_t>& value : values) {
insert.BindBlob(0, value);
ASSERT_TRUE(insert.Run());
insert.Reset(/* clear_bound_vars= */ true);
}
Statement select(db_.GetUniqueStatement("SELECT b FROM blobs"));
for (const std::vector<uint8_t>& value : values) {
ASSERT_TRUE(select.Step());
std::vector<uint8_t> column_value;
EXPECT_TRUE(select.ColumnBlobAsVector(0, &column_value));
EXPECT_EQ(value, column_value);
}
EXPECT_FALSE(select.Step());
}
TEST_F(SQLStatementTest, BindString) {
ASSERT_TRUE(db_.Execute("CREATE TABLE strings (s TEXT NOT NULL)"));
const std::vector<std::string> values = {
"",
"a",
"\x01",
std::string("\x00", 1),
"abcd",
"\x01\x02\x03\x04",
std::string("\x01Test", 5),
std::string("\x00Test", 5),
};
Statement insert(db_.GetUniqueStatement("INSERT INTO strings VALUES(?)"));
for (const std::string& value : values) {
insert.BindString(0, value);
ASSERT_TRUE(insert.Run());
insert.Reset(/* clear_bound_vars= */ true);
}
Statement select(db_.GetUniqueStatement("SELECT s FROM strings"));
for (const std::string& value : values) {
ASSERT_TRUE(select.Step());
EXPECT_EQ(value, select.ColumnString(0));
}
EXPECT_FALSE(select.Step());
}
TEST_F(SQLStatementTest, BindString_NullData) {
ASSERT_TRUE(db_.Execute("CREATE TABLE strings (s TEXT NOT NULL)"));
Statement insert(db_.GetUniqueStatement("INSERT INTO strings VALUES(?)"));
insert.BindString(0, base::StringPiece(nullptr, 0));
ASSERT_TRUE(insert.Run());
Statement select(db_.GetUniqueStatement("SELECT s FROM strings"));
ASSERT_TRUE(select.Step());
EXPECT_EQ(std::string(), select.ColumnString(0));
EXPECT_FALSE(select.Step());
}
} // namespace
} // namespace sql
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