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/*
* Copyright (C) 2015 Canonical Ltd.
*
* 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; version 3.
*
* 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 <QtTest/QtTest>
#include <QString>
#include <QSignalSpy>
#include "storagemonitor.h"
#include "storageinfocontrol.h"
class tst_StorageMonitor : public QObject
{
Q_OBJECT
private slots:
void init();
void cleanup();
void testThresholds();
void testValid();
void testReady();
private:
StorageMonitor *m_storage;
StorageInfoControl *m_control;
};
void tst_StorageMonitor::init()
{
m_storage = new StorageMonitor();
m_control = StorageInfoControl::instance();
}
void tst_StorageMonitor::cleanup()
{
delete m_storage;
}
void tst_StorageMonitor::testThresholds()
{
QSignalSpy spyLow(m_storage, SIGNAL(diskSpaceLowChanged()));
QSignalSpy spyCritical(m_storage, SIGNAL(diskSpaceCriticallyLowChanged()));
QString path = "/tmp/ok";
// before setting a path, we should get no disk space warnings
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD + 1);
m_storage->setLocation(path);
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
// drop below first threshold
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD - 1);
spyLow.wait(POLL_INTERVAL * 1.5);
spyCritical.wait(POLL_INTERVAL * 1.5);
QCOMPARE(spyLow.count(), 1);
QCOMPARE(spyCritical.count(), 0);
QCOMPARE(m_storage->diskSpaceLow(), true);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
// drop below first threshold
m_control->freeSpaceMap.insert(path, CRITICALLY_LOW_SPACE_THRESHOLD - 1);
spyLow.wait(POLL_INTERVAL);
spyCritical.wait(POLL_INTERVAL);
QCOMPARE(spyLow.count(), 1);
QCOMPARE(spyCritical.count(), 1);
QCOMPARE(m_storage->diskSpaceLow(), true);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), true);
// pull up to full free space again
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD + MEGABYTE);
spyLow.wait(POLL_INTERVAL);
spyCritical.wait(POLL_INTERVAL);
QCOMPARE(spyLow.count(), 2);
QCOMPARE(spyCritical.count(), 2);
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
}
void tst_StorageMonitor::testValid()
{
QSignalSpy spyLow(m_storage, SIGNAL(diskSpaceLowChanged()));
QSignalSpy spyCritical(m_storage, SIGNAL(diskSpaceCriticallyLowChanged()));
QString path = "/tmp/invalid";
// before setting a path, we should get no disk space warnings
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD + 1);
m_storage->setLocation(path);
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
// make the disk ready and change the space, and verify that no changes are
// emitted (the disk is still invalid)
m_control->readyMap.insert(path, true);
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD - 1);
spyLow.wait(POLL_INTERVAL);
spyCritical.wait(POLL_INTERVAL);
QCOMPARE(spyLow.count(), 0);
QCOMPARE(spyCritical.count(), 0);
}
void tst_StorageMonitor::testReady()
{
QSignalSpy spyLow(m_storage, SIGNAL(diskSpaceLowChanged()));
QSignalSpy spyCritical(m_storage, SIGNAL(diskSpaceCriticallyLowChanged()));
QString path = "/tmp/unmounted";
// before setting a path, we should get no disk space warnings
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD + 1);
m_storage->setLocation(path);
QCOMPARE(m_storage->diskSpaceLow(), false);
QCOMPARE(m_storage->diskSpaceCriticallyLow(), false);
// change the free space, and verify that no changes are
// emitted (the disk is still not ready)
m_control->freeSpaceMap.insert(path, LOW_SPACE_THRESHOLD - 1);
spyLow.wait(POLL_INTERVAL);
spyCritical.wait(POLL_INTERVAL);
QCOMPARE(spyLow.count(), 0);
QCOMPARE(spyCritical.count(), 0);
// now make the disk ready and verify that we actually get a warning
m_control->readyMap.insert(path, true);
spyLow.wait(POLL_INTERVAL);
QCOMPARE(spyLow.count(), 1);
}
QTEST_MAIN(tst_StorageMonitor);
#include "tst_storagemonitor.moc"
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