qt5base-lts/tests/auto/gui/painting/qprinterinfo/tst_qprinterinfo.cpp
Jason McDonald e3640d1bdd Remove TESTED_CLASS/TESTED_FILES comments from tests.
These comments were mostly empty or inaccurate.  Appropriate naming of
tests and appropriate placement of tests within the directory tree
provide more reliable indicators of what is being tested.

Change-Id: Ib6bf373d9e79917e4ab1417ee5c1264a2c2d7027
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
2011-12-06 02:19:25 +01:00

393 lines
12 KiB
C++

/****************************************************************************
**
** 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.
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**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtGlobal>
#include <QtAlgorithms>
#include <QtNetwork/QHostInfo>
#include <qprinterinfo.h>
#ifdef Q_OS_UNIX
# include <unistd.h>
# include <sys/types.h>
# include <sys/wait.h>
#endif
Q_DECLARE_METATYPE(QRect)
class tst_QPrinterInfo : public QObject
{
Q_OBJECT
#ifdef QT_NO_PRINTER
public slots:
void initTestCase();
#else
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);
#endif
};
#ifdef QT_NO_PRINTER
void tst_QPrinterInfo::initTestCase()
{
QSKIP("This test requires printing support");
}
#else
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
}
void tst_QPrinterInfo::testForDefaultPrinter()
{
#if defined(Q_OS_UNIX) || defined(Q_OS_WIN32)
# ifdef Q_OS_WIN32
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");
}
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");
#endif
}
void tst_QPrinterInfo::testForPrinters()
{
#if defined(Q_OS_UNIX) || defined(Q_OS_WIN32)
# ifdef Q_OS_WIN32
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");
}
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");
#endif
}
void tst_QPrinterInfo::testForPaperSizes()
{
QSKIP("PaperSize feature doesn't work on Windows, fails on Mac, and is unstable on Linux");
// 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());
}
}
#endif
QTEST_MAIN(tst_QPrinterInfo)
#include "tst_qprinterinfo.moc"