nextcloud-desktop/test/testchecksumvalidator.cpp
Christian Kamm 22e08cf6ad
Checksums: Work on QIODevice*s
Needed for cfapi where we want to feed data through a custom device
which retrieves data from the windows api.
2020-12-15 10:58:21 +01:00

222 lines
6.1 KiB
C++

/*
* This software is in the public domain, furnished "as is", without technical
* support, and with no warranty, express or implied, as to its usefulness for
* any purpose.
*
*/
#include <QtTest>
#include <QDir>
#include <QString>
#include "common/checksums.h"
#include "networkjobs.h"
#include "common/utility.h"
#include "filesystem.h"
#include "propagatorjobs.h"
using namespace OCC;
using namespace OCC::Utility;
class TestChecksumValidator : public QObject
{
Q_OBJECT
private:
QTemporaryDir _root;
QString _testfile;
QString _expectedError;
QByteArray _expected;
QByteArray _expectedType;
bool _successDown;
bool _errorSeen;
public slots:
void slotUpValidated(const QByteArray& type, const QByteArray& checksum) {
qDebug() << "Checksum: " << checksum;
QVERIFY(_expected == checksum );
QVERIFY(_expectedType == type );
}
void slotDownValidated() {
_successDown = true;
}
void slotDownError( const QString& errMsg ) {
QVERIFY(_expectedError == errMsg );
_errorSeen = true;
}
static QByteArray shellSum( const QByteArray& cmd, const QString& file )
{
QProcess md5;
QStringList args;
args.append(file);
md5.start(cmd, args);
QByteArray sumShell;
qDebug() << "File: "<< file;
if( md5.waitForFinished() ) {
sumShell = md5.readAll();
sumShell = sumShell.left( sumShell.indexOf(' '));
}
return sumShell;
}
private slots:
void initTestCase() {
_testfile = _root.path()+"/csFile";
Utility::writeRandomFile( _testfile);
}
void testMd5Calc()
{
QString file( _root.path() + "/file_a.bin");
QVERIFY(writeRandomFile(file));
QFileInfo fi(file);
QVERIFY(fi.exists());
QFile fileDevice(file);
fileDevice.open(QIODevice::ReadOnly);
QByteArray sum = calcMd5(&fileDevice);
fileDevice.close();
QByteArray sSum = shellSum("md5sum", file);
if (sSum.isEmpty())
QSKIP("Couldn't execute md5sum to calculate checksum, executable missing?", SkipSingle);
QVERIFY(!sum.isEmpty());
QCOMPARE(sSum, sum);
}
void testSha1Calc()
{
QString file( _root.path() + "/file_b.bin");
writeRandomFile(file);
QFileInfo fi(file);
QVERIFY(fi.exists());
QFile fileDevice(file);
fileDevice.open(QIODevice::ReadOnly);
QByteArray sum = calcSha1(&fileDevice);
fileDevice.close();
QByteArray sSum = shellSum("sha1sum", file);
if (sSum.isEmpty())
QSKIP("Couldn't execute sha1sum to calculate checksum, executable missing?", SkipSingle);
QVERIFY(!sum.isEmpty());
QCOMPARE(sSum, sum);
}
void testUploadChecksummingAdler() {
#ifndef ZLIB_FOUND
QSKIP("ZLIB not found.", SkipSingle);
#else
auto *vali = new ComputeChecksum(this);
_expectedType = "Adler32";
vali->setChecksumType(_expectedType);
connect(vali, SIGNAL(done(QByteArray,QByteArray)), SLOT(slotUpValidated(QByteArray,QByteArray)));
auto file = new QFile(_testfile, vali);
file->open(QIODevice::ReadOnly);
_expected = calcAdler32(file);
qDebug() << "XX Expected Checksum: " << _expected;
vali->start(_testfile);
QEventLoop loop;
connect(vali, SIGNAL(done(QByteArray,QByteArray)), &loop, SLOT(quit()), Qt::QueuedConnection);
loop.exec();
delete vali;
#endif
}
void testUploadChecksummingMd5() {
auto *vali = new ComputeChecksum(this);
_expectedType = OCC::checkSumMD5C;
vali->setChecksumType(_expectedType);
connect(vali, SIGNAL(done(QByteArray,QByteArray)), this, SLOT(slotUpValidated(QByteArray,QByteArray)));
auto file = new QFile(_testfile, vali);
file->open(QIODevice::ReadOnly);
_expected = calcMd5(file);
vali->start(_testfile);
QEventLoop loop;
connect(vali, SIGNAL(done(QByteArray,QByteArray)), &loop, SLOT(quit()), Qt::QueuedConnection);
loop.exec();
delete vali;
}
void testUploadChecksummingSha1() {
auto *vali = new ComputeChecksum(this);
_expectedType = OCC::checkSumSHA1C;
vali->setChecksumType(_expectedType);
connect(vali, SIGNAL(done(QByteArray,QByteArray)), this, SLOT(slotUpValidated(QByteArray,QByteArray)));
auto file = new QFile(_testfile, vali);
file->open(QIODevice::ReadOnly);
_expected = calcSha1(file);
vali->start(_testfile);
QEventLoop loop;
connect(vali, SIGNAL(done(QByteArray,QByteArray)), &loop, SLOT(quit()), Qt::QueuedConnection);
loop.exec();
delete vali;
}
void testDownloadChecksummingAdler() {
#ifndef ZLIB_FOUND
QSKIP("ZLIB not found.", SkipSingle);
#else
auto *vali = new ValidateChecksumHeader(this);
connect(vali, SIGNAL(validated(QByteArray,QByteArray)), this, SLOT(slotDownValidated()));
connect(vali, SIGNAL(validationFailed(QString)), this, SLOT(slotDownError(QString)));
auto file = new QFile(_testfile, vali);
file->open(QIODevice::ReadOnly);
_expected = calcAdler32(file);
QByteArray adler = checkSumAdlerC;
adler.append(":");
adler.append(_expected);
file->seek(0);
_successDown = false;
vali->start(file, adler);
QTRY_VERIFY(_successDown);
_expectedError = QLatin1String("The downloaded file does not match the checksum, it will be resumed.");
_errorSeen = false;
file->seek(0);
vali->start(file, "Adler32:543345");
QTRY_VERIFY(_errorSeen);
_expectedError = QLatin1String("The checksum header contained an unknown checksum type 'Klaas32'");
_errorSeen = false;
file->seek(0);
vali->start(file, "Klaas32:543345");
QTRY_VERIFY(_errorSeen);
delete vali;
#endif
}
void cleanupTestCase() {
}
};
QTEST_GUILESS_MAIN(TestChecksumValidator)
#include "testchecksumvalidator.moc"