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// Copyright 2013 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 "sql/meta_table.h"
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#include "sql/connection.h"
#include "sql/statement.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class SQLMetaTableTest : public testing::Test {
public:
virtual void SetUp() {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(db_.Open(temp_dir_.path().AppendASCII("SQLMetaTableTest.db")));
}
virtual void TearDown() {
db_.Close();
}
sql::Connection& db() { return db_; }
private:
base::ScopedTempDir temp_dir_;
sql::Connection db_;
};
TEST_F(SQLMetaTableTest, DoesTableExist) {
EXPECT_FALSE(sql::MetaTable::DoesTableExist(&db()));
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
}
EXPECT_TRUE(sql::MetaTable::DoesTableExist(&db()));
}
TEST_F(SQLMetaTableTest, RazeIfDeprecated) {
const int kDeprecatedVersion = 1;
const int kVersion = 2;
// Setup a current database.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), kVersion, kVersion));
EXPECT_TRUE(db().Execute("CREATE TABLE t(c)"));
EXPECT_TRUE(db().DoesTableExist("t"));
}
// Table should should still exist if the database version is new enough.
sql::MetaTable::RazeIfDeprecated(&db(), kDeprecatedVersion);
EXPECT_TRUE(db().DoesTableExist("t"));
// TODO(shess): It may make sense to Raze() if meta isn't present or
// version isn't present. See meta_table.h TODO on RazeIfDeprecated().
// Table should still exist if the version is not available.
EXPECT_TRUE(db().Execute("DELETE FROM meta WHERE key = 'version'"));
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), kVersion, kVersion));
EXPECT_EQ(0, meta_table.GetVersionNumber());
}
sql::MetaTable::RazeIfDeprecated(&db(), kDeprecatedVersion);
EXPECT_TRUE(db().DoesTableExist("t"));
// Table should still exist if meta table is missing.
EXPECT_TRUE(db().Execute("DROP TABLE meta"));
sql::MetaTable::RazeIfDeprecated(&db(), kDeprecatedVersion);
EXPECT_TRUE(db().DoesTableExist("t"));
// Setup meta with deprecated version.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), kDeprecatedVersion, kDeprecatedVersion));
}
// Deprecation check should remove the table.
EXPECT_TRUE(db().DoesTableExist("t"));
sql::MetaTable::RazeIfDeprecated(&db(), kDeprecatedVersion);
EXPECT_FALSE(sql::MetaTable::DoesTableExist(&db()));
EXPECT_FALSE(db().DoesTableExist("t"));
}
TEST_F(SQLMetaTableTest, VersionNumber) {
// Compatibility versions one less than the main versions to make
// sure the values aren't being crossed with each other.
const int kVersionFirst = 2;
const int kCompatVersionFirst = kVersionFirst - 1;
const int kVersionSecond = 4;
const int kCompatVersionSecond = kVersionSecond - 1;
const int kVersionThird = 6;
const int kCompatVersionThird = kVersionThird - 1;
// First Init() sets the version info as expected.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), kVersionFirst, kCompatVersionFirst));
EXPECT_EQ(kVersionFirst, meta_table.GetVersionNumber());
EXPECT_EQ(kCompatVersionFirst, meta_table.GetCompatibleVersionNumber());
}
// Second Init() does not change the version info.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), kVersionSecond, kCompatVersionSecond));
EXPECT_EQ(kVersionFirst, meta_table.GetVersionNumber());
EXPECT_EQ(kCompatVersionFirst, meta_table.GetCompatibleVersionNumber());
meta_table.SetVersionNumber(kVersionSecond);
meta_table.SetCompatibleVersionNumber(kCompatVersionSecond);
}
// Version info from Set*() calls is seen.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), kVersionThird, kCompatVersionThird));
EXPECT_EQ(kVersionSecond, meta_table.GetVersionNumber());
EXPECT_EQ(kCompatVersionSecond, meta_table.GetCompatibleVersionNumber());
}
}
TEST_F(SQLMetaTableTest, StringValue) {
const char kKey[] = "String Key";
const std::string kFirstValue("First Value");
const std::string kSecondValue("Second Value");
// Initially, the value isn't there until set.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
std::string value;
EXPECT_FALSE(meta_table.GetValue(kKey, &value));
EXPECT_TRUE(meta_table.SetValue(kKey, kFirstValue));
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kFirstValue, value);
}
// Value is persistent across different instances.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
std::string value;
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kFirstValue, value);
EXPECT_TRUE(meta_table.SetValue(kKey, kSecondValue));
}
// Existing value was successfully changed.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
std::string value;
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kSecondValue, value);
}
}
TEST_F(SQLMetaTableTest, IntValue) {
const char kKey[] = "Int Key";
const int kFirstValue = 17;
const int kSecondValue = 23;
// Initially, the value isn't there until set.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
int value;
EXPECT_FALSE(meta_table.GetValue(kKey, &value));
EXPECT_TRUE(meta_table.SetValue(kKey, kFirstValue));
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kFirstValue, value);
}
// Value is persistent across different instances.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
int value;
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kFirstValue, value);
EXPECT_TRUE(meta_table.SetValue(kKey, kSecondValue));
}
// Existing value was successfully changed.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
int value;
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kSecondValue, value);
}
}
TEST_F(SQLMetaTableTest, Int64Value) {
const char kKey[] = "Int Key";
const int64 kFirstValue = 5000000017LL;
const int64 kSecondValue = 5000000023LL;
// Initially, the value isn't there until set.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
int64 value;
EXPECT_FALSE(meta_table.GetValue(kKey, &value));
EXPECT_TRUE(meta_table.SetValue(kKey, kFirstValue));
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kFirstValue, value);
}
// Value is persistent across different instances.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
int64 value;
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kFirstValue, value);
EXPECT_TRUE(meta_table.SetValue(kKey, kSecondValue));
}
// Existing value was successfully changed.
{
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
int64 value;
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kSecondValue, value);
}
}
TEST_F(SQLMetaTableTest, DeleteKey) {
const char kKey[] = "String Key";
const std::string kValue("String Value");
sql::MetaTable meta_table;
EXPECT_TRUE(meta_table.Init(&db(), 1, 1));
// Value isn't present.
std::string value;
EXPECT_FALSE(meta_table.GetValue(kKey, &value));
// Now value is present.
EXPECT_TRUE(meta_table.SetValue(kKey, kValue));
EXPECT_TRUE(meta_table.GetValue(kKey, &value));
EXPECT_EQ(kValue, value);
// After delete value isn't present.
EXPECT_TRUE(meta_table.DeleteKey(kKey));
EXPECT_FALSE(meta_table.GetValue(kKey, &value));
}
} // namespace
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