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[diskusage] Add unit tests for size calculation
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/* | ||
* Copyright (C) 2015 Jolla Ltd. | ||
* Contact: Thomas Perl <thomas.perl@jolla.com> | ||
* | ||
* You may use this file under the terms of the BSD license as follows: | ||
* | ||
* "Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are | ||
* met: | ||
* * Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* * Redistributions in binary form must reproduce the above copyright | ||
* notice, this list of conditions and the following disclaimer in | ||
* the documentation and/or other materials provided with the | ||
* distribution. | ||
* * Neither the name of Nemo Mobile nor the names of its contributors | ||
* may be used to endorse or promote products derived from this | ||
* software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | ||
*/ | ||
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#include "diskusage.h" | ||
#include "diskusage_p.h" | ||
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#include <QDir> | ||
#include <QProcess> | ||
#include <QDebug> | ||
#include <QDBusConnection> | ||
#include <QDBusMessage> | ||
#include <QDBusReply> | ||
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#include <sys/statvfs.h> | ||
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quint64 DiskUsageWorker::calculateSize(QString directory, QString *expandedPath) | ||
{ | ||
// In lieu of wordexp(3) support in Qt, fake it | ||
if (directory.startsWith("~/")) { | ||
directory = QDir::homePath() + '/' + directory.mid(2); | ||
} | ||
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if (expandedPath) { | ||
*expandedPath = directory; | ||
} | ||
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if (directory == "/") { | ||
// Shortcut for getting usage of rootfs | ||
// TODO: Once we have Qt 5.4, use QStorageInfo | ||
struct statvfs stv; | ||
memset(&stv, 0, sizeof(stv)); | ||
if (statvfs(directory.toUtf8().constData(), &stv) != 0) { | ||
// Do not make an entry for the usage here | ||
qWarning() << "statvfs() failed on:" << directory; | ||
return 0L; | ||
} | ||
quint64 fsSize = float(stv.f_frsize) * float(stv.f_blocks); | ||
quint64 freeSpace = float(stv.f_frsize) * float(stv.f_bfree); | ||
return fsSize - freeSpace; | ||
} | ||
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// "/data/media/" is mounted in "/home/nemo/android_storage/" with read | ||
// access for the "nemo" user ("/data/media/" itself isn't readable); | ||
// Mounted via FUSE and /system/bin/sdcard, see here: | ||
// https://source.android.com/devices/storage/config.html | ||
if (directory == "/data/media/") { | ||
directory = "/home/nemo/android_storage/"; | ||
} | ||
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QDir d(directory); | ||
if (!d.exists() || !d.isReadable()) { | ||
return 0L; | ||
} | ||
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QProcess du; | ||
du.start("du", QStringList() << "-sxb" << directory, QIODevice::ReadOnly); | ||
du.waitForFinished(); | ||
if (du.exitStatus() != QProcess::NormalExit) { | ||
qWarning() << "Could not determine size of:" << directory; | ||
return 0L; | ||
} | ||
QStringList size_directory = QString::fromUtf8(du.readAll()).split('\t'); | ||
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if (size_directory.size() > 1) { | ||
return size_directory[0].toULongLong(); | ||
} | ||
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return 0L; | ||
} | ||
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quint64 DiskUsageWorker::calculateRpmSize(const QString &glob) | ||
{ | ||
QProcess rpm; | ||
rpm.start("rpm", QStringList() << "-qa" << "--queryformat=%{name}|%{size}\\n" << glob, QIODevice::ReadOnly); | ||
rpm.waitForFinished(); | ||
if (rpm.exitStatus() != QProcess::NormalExit) { | ||
qWarning() << "Could not determine size of RPM packages matching:" << glob; | ||
return 0L; | ||
} | ||
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quint64 result = 0L; | ||
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QStringList lines = QString::fromUtf8(rpm.readAll()).split('\n', QString::SkipEmptyParts); | ||
foreach (const QString &line, lines) { | ||
int index = line.indexOf('|'); | ||
if (index == -1) { | ||
qWarning() << "Could not parse RPM output line:" << line; | ||
continue; | ||
} | ||
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QString package = line.left(index); | ||
result += line.mid(index+1).toULongLong(); | ||
} | ||
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return result; | ||
} | ||
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quint64 DiskUsageWorker::calculateApkdSize(const QString &rest) | ||
{ | ||
Q_UNUSED(rest) | ||
QDBusMessage msg = QDBusMessage::createMethodCall("com.jolla.apkd", | ||
"/com/jolla/apkd", "com.jolla.apkd", "getAndroidAppDataUsage"); | ||
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QDBusReply<qulonglong> reply = QDBusConnection::systemBus().call(msg); | ||
if (reply.isValid()) { | ||
return quint64(reply.value()); | ||
} | ||
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qWarning() << "Could not determine Android app data usage"; | ||
return 0L; | ||
} |
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# based on tests.pro from libprofile-qt | ||
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PACKAGENAME = nemo-qml-plugin-systemsettings | ||
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QT += testlib qml dbus systeminfo | ||
QT -= gui | ||
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system(sed -e s/@PACKAGENAME@/$${PACKAGENAME}/g tests.xml.template > tests.xml) | ||
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TEMPLATE = app | ||
TARGET = ut_diskusage | ||
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target.path = /usr/lib/$${PACKAGENAME}-tests | ||
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xml.path = /usr/share/$${PACKAGENAME}-tests | ||
xml.files = tests.xml | ||
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contains(cov, true) { | ||
message("Coverage options enabled") | ||
QMAKE_CXXFLAGS += --coverage | ||
QMAKE_LFLAGS += --coverage | ||
} | ||
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CONFIG += link_prl | ||
DEFINES += UNIT_TEST | ||
QMAKE_EXTRA_TARGETS = check | ||
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check.depends = $$TARGET | ||
check.commands = LD_LIBRARY_PATH=../../lib ./$$TARGET | ||
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INCLUDEPATH += ../src/ | ||
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SOURCES += ut_diskusage.cpp | ||
HEADERS += ut_diskusage.h | ||
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SOURCES += ../src/diskusage.cpp | ||
HEADERS += ../src/diskusage.h | ||
HEADERS += ../src/diskusage_p.h | ||
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INSTALLS += target xml |
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