qt5base-lts/tests/auto/qprinterinfo/tst_qprinterinfo.cpp

402 lines
12 KiB
C++
Raw Normal View History

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtGlobal>
#include <QtAlgorithms>
#include <QtNetwork/QHostInfo>
#ifndef QT_NO_PRINTER
#include <qprinterinfo.h>
#ifdef Q_OS_UNIX
# include <unistd.h>
# include <sys/types.h>
# include <sys/wait.h>
#endif
Q_DECLARE_METATYPE(QRect)
#if defined(Q_OS_WIN32)
# define ACCEPTABLE_WINDOWS
#endif
//TESTED_CLASS=
//TESTED_FILES=
class tst_QPrinterInfo : public QObject
{
Q_OBJECT
public:
//tst_QPrinterInfo();
//virtual ~tst_QPrinterInfo();
public slots:
//void initTestCase();
//void cleanupTestCase();
//void init();
//void cleanup();
private slots:
void testForDefaultPrinter();
void testForPrinters();
void testForPaperSizes();
void testConstructors();
void testAssignment();
private:
void macFixNameFormat(QString *printerName);
QString getDefaultPrinterFromSystem();
QStringList getPrintersFromSystem();
QString getOutputFromCommand(const QStringList& command);
};
void tst_QPrinterInfo::macFixNameFormat(QString *printerName)
{
// Modify the format of the printer name to match Qt, lpstat returns
// foo___domain_no, Qt returns foo @ domain.no
#ifdef Q_WS_MAC
printerName->replace(QLatin1String("___"), QLatin1String(" @ "));
printerName->replace(QLatin1String("_"), QLatin1String("."));
#else
Q_UNUSED(printerName);
#endif
}
QString tst_QPrinterInfo::getDefaultPrinterFromSystem()
{
QStringList command;
command << "lpstat" << "-d";
QString output = getOutputFromCommand(command);
QRegExp noDefaultReg("[^:]*no .*default");
int pos = noDefaultReg.indexIn(output);
if (pos >= 0) {
return QString();
}
QRegExp defaultReg("default.*: *([a-zA-Z0-9_]+)");
defaultReg.indexIn(output);
QString printer = defaultReg.cap(1);
macFixNameFormat(&printer);
return printer;
}
QStringList tst_QPrinterInfo::getPrintersFromSystem()
{
QStringList ans;
QStringList command;
command << "lpstat" << "-p";
QString output = getOutputFromCommand(command);
QStringList list = output.split(QChar::fromLatin1('\n'));
QRegExp reg("^[Pp]rinter ([.a-zA-Z0-9-_@]+)");
for (int c = 0; c < list.size(); ++c) {
if (reg.indexIn(list[c]) >= 0) {
QString printer = reg.cap(1);
macFixNameFormat(&printer);
ans << printer;
}
}
return ans;
}
// This function does roughly the same as the `command substitution` in
// the shell.
QString tst_QPrinterInfo::getOutputFromCommand(const QStringList& command)
{
// The command execution does nothing on non-unix systems.
#ifdef Q_OS_UNIX
int pid;
int status = 0;
int pipePtr[2];
// Create a pipe that is shared between parent and child process.
if (pipe(pipePtr) < 0) {
return QString();
}
pid = fork();
if (pid < 0) {
close(pipePtr[0]);
close(pipePtr[1]);
return QString();
} else if (pid == 0) {
// In child.
// Close the reading end.
close(pipePtr[0]);
// Redirect stdout to the pipe.
if (dup2(pipePtr[1], 1) < 0) {
exit(1);
}
char** argv = new char*[command.size()+1];
for (int c = 0; c < command.size(); ++c) {
argv[c] = new char[command[c].size()+1];
strcpy(argv[c], command[c].toLatin1().data());
}
argv[command.size()] = NULL;
execvp(argv[0], argv);
// Shouldn't get here, but it's possible if command is not found.
close(pipePtr[1]);
close(1);
for (int c = 0; c < command.size(); ++c) {
delete [] argv[c];
}
delete [] argv;
exit(1);
} else {
// In parent.
// Close the writing end.
close(pipePtr[1]);
QFile pipeRead;
if (!pipeRead.open(pipePtr[0], QIODevice::ReadOnly)) {
close(pipePtr[0]);
return QString();
}
QByteArray array;
array = pipeRead.readAll();
pipeRead.close();
close(pipePtr[0]);
wait(&status);
return QString(array);
}
#else
return QString();
#endif // Q_OS_UNIX
}
void tst_QPrinterInfo::testForDefaultPrinter()
{
#if defined(Q_OS_UNIX) || defined(ACCEPTABLE_WINDOWS)
# ifdef ACCEPTABLE_WINDOWS
if (QHostInfo::localHostName() == "fantomet" || QHostInfo::localHostName() == "bobo") {
QWARN("Test is hardcoded to \"fantomet\" and \"bobo\" on Windows and may fail");
} else {
QSKIP("Test is hardcoded to \"fantomet\" and \"bobo\" on Windows", SkipAll);
}
QString defSysPrinter;
if (QHostInfo::localHostName() == "fantomet") {
defSysPrinter = "Yacc (Lexmark Optra T610 PS3)";
} else if (QHostInfo::localHostName() == "bobo") {
defSysPrinter = "press";
}
# else
QString defSysPrinter = getDefaultPrinterFromSystem();
# endif
if (defSysPrinter == "") return;
QList<QPrinterInfo> list = QPrinterInfo::availablePrinters();
bool found = false;
for (int c = 0; c < list.size(); ++c) {
if (list[c].isDefault()) {
QVERIFY(list.at(c).printerName() == defSysPrinter);
QVERIFY(!list.at(c).isNull());
found = true;
} else {
QVERIFY(list.at(c).printerName() != defSysPrinter);
QVERIFY(!list.at(c).isNull());
}
}
if (!found && defSysPrinter != "") QFAIL("No default printer reported by Qt, although there is one");
#else
QSKIP("Test doesn't work on non-Unix", SkipAll);
#endif // defined(Q_OS_UNIX) || defined(ACCEPTABLE_WINDOWS)
}
void tst_QPrinterInfo::testForPrinters()
{
#if defined(Q_OS_UNIX) || defined(ACCEPTABLE_WINDOWS)
# ifdef ACCEPTABLE_WINDOWS
if (QHostInfo::localHostName() == "fantomet" || QHostInfo::localHostName() == "bobo") {
QWARN("Test is hardcoded to \"fantomet\" and \"bobo\" on Windows and may fail");
} else {
QSKIP("Test is hardcoded to \"fantomet\" and \"bobo\" on Windows", SkipAll);
}
QStringList sysPrinters;
if (QHostInfo::localHostName() == "fantomet") {
sysPrinters
<< "Press"
<< "Canon PS-IPU Color Laser Copier v52.3"
<< "EPSON EPL-N4000 PS3"
<< "Kroksleiven"
<< "Lexmark Optra Color 1200 PS"
<< "Yacc (Lexmark Optra T610 PCL)"
<< "Yacc (Lexmark Optra T610 PS3)"
;
} else if (QHostInfo::localHostName() == "bobo") {
sysPrinters
<< "press"
<< "finnmarka"
<< "nordmarka"
;
}
# else
QStringList sysPrinters = getPrintersFromSystem();
# endif
QList<QPrinterInfo> printers = QPrinterInfo::availablePrinters();
QCOMPARE(printers.size(), sysPrinters.size());
QHash<QString, bool> qtPrinters;
for (int j = 0; j < printers.size(); ++j) {
qtPrinters.insert(printers.at(j).printerName(), !printers.at(j).isNull());
}
for (int i = 0; i < sysPrinters.size(); ++i) {
if (!qtPrinters.value(sysPrinters.at(i))) {
qDebug() << "Available printers: " << qtPrinters;
QFAIL(qPrintable(QString("Printer '%1' reported by system, but not reported by Qt").arg(sysPrinters.at(i))));
}
}
#else
QSKIP("Test doesn't work on non-Unix", SkipAll);
#endif // defined(Q_OS_UNIX) || defined(ACCEPTABLE_WINDOWS)
}
void tst_QPrinterInfo::testForPaperSizes()
{
QSKIP("PaperSize feature doesn't work on Windows, fails on Mac, and is unstable on Linux", SkipAll);
// This test is based on common printers found at the Oslo
// office. It is likely to be skipped or fail for other locations.
QStringList hardPrinters;
hardPrinters << "Finnmarka" << "Huldra";
QList<QList<QPrinter::PaperSize> > hardSizes;
hardSizes
<< QList<QPrinter::PaperSize>()
<< QList<QPrinter::PaperSize>()
;
hardSizes[0] // Finnmarka
<< QPrinter::Letter
<< QPrinter::A4
<< QPrinter::A3
<< QPrinter::A5
<< QPrinter::B4
<< QPrinter::B5
<< QPrinter::Custom // COM10
<< QPrinter::Custom // C5
<< QPrinter::Custom // DL
<< QPrinter::Custom // Monarch
<< QPrinter::Executive
<< QPrinter::Custom // Foolscap
<< QPrinter::Custom // ISO B5
<< QPrinter::Ledger
<< QPrinter::Legal
<< QPrinter::Custom // Japanese Post Card
<< QPrinter::Custom // Invoice
;
hardSizes[1] // Huldra
<< QPrinter::Custom // Not listed at http://localhost:631/, name "Custom"
<< QPrinter::Letter
<< QPrinter::A4
<< QPrinter::A5
<< QPrinter::A6
<< QPrinter::B5
<< QPrinter::Custom // #5 1/2 Envelope
<< QPrinter::Custom // 6x9 Envelope
<< QPrinter::Custom // #10 Envelope
<< QPrinter::Custom // A7 Envelope
<< QPrinter::Custom // C5 Envelope
<< QPrinter::Custom // DL Envelope
<< QPrinter::Custom // Monarch Envelope
<< QPrinter::Custom // #6 3/4 Envelope
<< QPrinter::Executive
<< QPrinter::Custom // US Folio
<< QPrinter::Custom // Index Card
<< QPrinter::Custom // ISO B5
<< QPrinter::Legal
<< QPrinter::Custom // Statement
;
QList<QPrinterInfo> printers = QPrinterInfo::availablePrinters();
for (int i = 0; i < printers.size(); ++i) {
for (int j = 0; j < hardPrinters.size(); ++j) {
if (printers[i].printerName() == hardPrinters[j]) {
QList<QPrinter::PaperSize> sizes = printers[i].supportedPaperSizes();
qSort(sizes);
qSort(hardSizes[j]);
QCOMPARE(sizes, hardSizes[j]);
}
}
}
}
void tst_QPrinterInfo::testConstructors()
{
QList<QPrinterInfo> prns(QPrinterInfo::availablePrinters());
for (int c = 0; c < prns.size(); ++c) {
QList<QPrinter::PaperSize> list1, list2;
list1 = prns[c].supportedPaperSizes();
QPrinter pr(prns[c]);
list2 = QPrinterInfo(pr).supportedPaperSizes();
QCOMPARE(list2, list1);
}
}
void tst_QPrinterInfo::testAssignment()
{
QList<QPrinterInfo> prns(QPrinterInfo::availablePrinters());
for (int c = 0; c < prns.size(); ++c) {
QPrinterInfo pi = QPrinterInfo::defaultPrinter();
pi = prns[c];
QCOMPARE(pi.printerName(), prns[c].printerName());
QCOMPARE(pi.supportedPaperSizes(), prns[c].supportedPaperSizes());
}
}
QTEST_MAIN(tst_QPrinterInfo)
#include "tst_qprinterinfo.moc"
#else
QTEST_NOOP_MAIN
#endif