Differential D20326 Diff 55629 autotests/server/dbdeadlockcatchertest.cpp

Changeset View

Standalone View

autotests/server/dbdeadlockcatchertest.cpp

This file was added.

		1		/*
		2		Copyright (c) 2019 David Faure <faure@kde.org>
		3
		4		This library is free software; you can redistribute it and/or modify it
		5		under the terms of the GNU Library General Public License as published by
		6		the Free Software Foundation; either version 2 of the License, or (at your
		7		option) any later version.
		8
		9		This library is distributed in the hope that it will be useful, but WITHOUT
		10		ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
		11		FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
		12		License for more details.
		13
		14		You should have received a copy of the GNU Library General Public License
		15		along with this library; see the file COPYING.LIB. If not, write to the
		16		Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
		17		02110-1301, USA.
		18		*/
		19
		20		#include <QObject>
		21		#include <QTest>
		22		#include <QSqlQuery>
		23
		24		#include "storage/dbdeadlockcatcher.h"
		25
		26		#include <aktest.h>
		27
		28		using namespace Akonadi::Server;
		29
		30		class DbDeadlockCatcherTest : public QObject
		31		{
		32		Q_OBJECT
		33
		34		private:
		35		int m_myFuncCalled = 0;
		36		void myFunc(int maxRecursion)
		37		{
		38		++m_myFuncCalled;
		39		if (m_myFuncCalled <= maxRecursion)
		40		throw DbDeadlockException(QSqlQuery());
		41		}
		42
		43		private Q_SLOTS:
		44		void testRecurseOnce()
		45		{
		46		m_myFuncCalled = 0;
		47		DbDeadlockCatcher catcher([this](){ myFunc(1); });
		48		QCOMPARE(m_myFuncCalled, 2);
		49		}
		50
		51		void testRecurseTwice()
		52		{
		53		m_myFuncCalled = 0;
		54		DbDeadlockCatcher catcher([this](){ myFunc(2); });
		55		QCOMPARE(m_myFuncCalled, 3);
		56		}
		57
		58		void testHitRecursionLimit()
		59		{
		60		m_myFuncCalled = 0;
		61		QVERIFY_EXCEPTION_THROWN(
		62		DbDeadlockCatcher catcher([this](){ myFunc(10); }),
		63		DbDeadlockException);
		64		QCOMPARE(m_myFuncCalled, 6);
		65		}
		66		};
		67
		68		AKTEST_MAIN(DbDeadlockCatcherTest)
		69
		70		#include "dbdeadlockcatchertest.moc"