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/*
SqlTransactionTests.cpp
This file is part of Charm, a task-based time tracking application.
Copyright (C) 2010-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Mirko Boehm <mirko.boehm@kdab.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "SqlTransactionTests.h"
#include "Core/SqlRaiiTransactor.h"
#include <QtTest/QtTest>
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlDriver>
#include <QSqlError>
SqlTransactionTests::SqlTransactionTests()
: QObject()
{
}
void SqlTransactionTests::testMySqlDriverRequirements()
{
const auto DriverName = QStringLiteral("QMYSQL");
QVERIFY(QSqlDatabase::isDriverAvailable(DriverName));
QSqlDatabase db
= QSqlDatabase::addDatabase(DriverName, QStringLiteral("test-mysql.charm.kdab.com"));
}
void SqlTransactionTests::testSqLiteDriverRequirements()
{
const auto DriverName = QStringLiteral("QSQLITE");
QVERIFY(QSqlDatabase::isDriverAvailable(DriverName));
QSqlDatabase db
= QSqlDatabase::addDatabase(DriverName, QStringLiteral("test-sqlite.charm.kdab.com"));
QSqlDriver *driver = db.driver();
QVERIFY(driver->hasFeature(QSqlDriver::Transactions));
}
MySqlStorage SqlTransactionTests::prepareMySqlStorage()
{
MySqlStorage storage;
MySqlStorage::Parameters parameters = MySqlStorage::parseParameterEnvironmentVariable();
storage.configure(parameters);
return storage;
}
#if 0 // old broken tests, commented so far to let us test some other part of the TimeSheetProcessor
void SqlTransactionTests::testMySqlTransactionRollback()
{
MySqlStorage storage = prepareMySqlStorage();
QVERIFY(storage.database().open());
QSqlDriver *driver = storage.database().driver();
QVERIFY(driver->hasFeature(QSqlDriver::Transactions));
QList<Task> tasksBefore = storage.getAllTasks();
QVERIFY(!tasksBefore.isEmpty());
Task first = tasksBefore.first();
// test a simple transaction that is completed and committed:
{
SqlRaiiTransactor transactor(storage.database());
QSqlQuery query(storage.database());
query.prepare("DELETE from Tasks where id=:id");
query.bindValue("id", first.id());
QVERIFY(storage.runQuery(query));
} // this transaction was NOT committed
QList<Task> tasksAfter = storage.getAllTasks();
QVERIFY(!tasksAfter.isEmpty());
QVERIFY(tasksBefore == tasksAfter);
}
void SqlTransactionTests::testMySqlTransactionCommit()
{
MySqlStorage storage = prepareMySqlStorage();
QVERIFY(storage.database().open());
QList<Task> tasksBefore = storage.getAllTasks();
QVERIFY(!tasksBefore.isEmpty());
Task first = tasksBefore.takeFirst();
// test a simple transaction that is completed and committed:
{
SqlRaiiTransactor transactor(storage.database());
QSqlQuery query(storage.database());
query.prepare("DELETE from Tasks where id=:id");
query.bindValue("id", first.id());
QVERIFY(storage.runQuery(query));
transactor.commit();
} // this transaction WAS committed
QList<Task> tasksAfter = storage.getAllTasks();
QVERIFY(!tasksAfter.isEmpty());
QVERIFY(tasksBefore == tasksAfter);
}
// this test more or less documents the behaviour of the mysql driver which allows nested transactions, which fail, without
// reporting an error
void SqlTransactionTests::testMySqlNestedTransactions()
{
MySqlStorage storage = prepareMySqlStorage();
QVERIFY(storage.database().open());
QList<Task> tasksBefore = storage.getAllTasks();
QVERIFY(!tasksBefore.isEmpty());
Task first = tasksBefore.takeFirst();
// test a simple transaction that is completed and committed:
{
SqlRaiiTransactor transactor(storage.database());
QSqlQuery query(storage.database());
query.prepare("DELETE from Tasks where id=:id");
query.bindValue("id", first.id());
QVERIFY(storage.runQuery(query));
{ // now before the first transaction is committed and done, a second one is started
// this should throw an exception
SqlRaiiTransactor transactor2(storage.database());
QSqlError error = storage.database().lastError();
// QFAIL( "I should not get here." );
transactor2.commit();
}
QSqlError error1 = storage.database().lastError();
transactor.commit();
QSqlError error2 = storage.database().lastError();
QFAIL("I should not get here.");
}
}
#endif
QTEST_MAIN(SqlTransactionTests)
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