qt5base-lts/tests/auto/qprocessenvironment/tst_qprocessenvironment.cpp

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/****************************************************************************
**
** 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>
#include <QObject>
#include <QProcessEnvironment>
class tst_QProcessEnvironment: public QObject
{
Q_OBJECT
private slots:
void operator_eq();
void clearAndIsEmpty();
void insert();
void emptyNull();
void toStringList();
void keys();
void insertEnv();
void caseSensitivity();
void systemEnvironment();
void putenv();
};
void tst_QProcessEnvironment::operator_eq()
{
QProcessEnvironment e1;
QVERIFY(e1 == e1);
e1.clear();
QVERIFY(e1 == e1);
e1 = QProcessEnvironment();
QProcessEnvironment e2;
QVERIFY(e1 == e2);
e1.clear();
QVERIFY(e1 != e2);
e2.clear();
QVERIFY(e1 == e2);
}
void tst_QProcessEnvironment::clearAndIsEmpty()
{
QProcessEnvironment e;
e.insert("FOO", "bar");
QVERIFY(!e.isEmpty());
e.clear();
QVERIFY(e.isEmpty());
}
void tst_QProcessEnvironment::insert()
{
QProcessEnvironment e;
e.insert("FOO", "bar");
QVERIFY(!e.isEmpty());
QVERIFY(e.contains("FOO"));
QCOMPARE(e.value("FOO"), QString("bar"));
e.remove("FOO");
QVERIFY(!e.contains("FOO"));
QVERIFY(e.value("FOO").isNull());
e.clear();
QVERIFY(!e.contains("FOO"));
}
void tst_QProcessEnvironment::emptyNull()
{
QProcessEnvironment e;
e.insert("FOO", "");
QVERIFY(e.contains("FOO"));
QVERIFY(e.value("FOO").isEmpty());
QVERIFY(!e.value("FOO").isNull());
e.insert("FOO", QString());
QVERIFY(e.contains("FOO"));
QVERIFY(e.value("FOO").isEmpty());
// don't test if it's NULL, since we shall not make a guarantee
e.remove("FOO");
QVERIFY(!e.contains("FOO"));
}
void tst_QProcessEnvironment::toStringList()
{
QProcessEnvironment e;
QVERIFY(e.isEmpty());
QVERIFY(e.toStringList().isEmpty());
e.insert("FOO", "bar");
QStringList result = e.toStringList();
QVERIFY(!result.isEmpty());
QCOMPARE(result.length(), 1);
QCOMPARE(result.at(0), QString("FOO=bar"));
e.clear();
e.insert("BAZ", "");
result = e.toStringList();
QCOMPARE(result.at(0), QString("BAZ="));
e.insert("FOO", "bar");
e.insert("A", "bc");
e.insert("HELLO", "World");
result = e.toStringList();
QCOMPARE(result.length(), 4);
// order is not specified, so use contains()
QVERIFY(result.contains("FOO=bar"));
QVERIFY(result.contains("BAZ="));
QVERIFY(result.contains("A=bc"));
QVERIFY(result.contains("HELLO=World"));
}
void tst_QProcessEnvironment::keys()
{
QProcessEnvironment e;
QVERIFY(e.isEmpty());
QVERIFY(e.keys().isEmpty());
e.insert("FOO", "bar");
QStringList result = e.keys();
QCOMPARE(result.length(), 1);
QCOMPARE(result.at(0), QString("FOO"));
e.clear();
e.insert("BAZ", "");
result = e.keys();
QCOMPARE(result.at(0), QString("BAZ"));
e.insert("FOO", "bar");
e.insert("A", "bc");
e.insert("HELLO", "World");
result = e.keys();
QCOMPARE(result.length(), 4);
// order is not specified, so use contains()
QVERIFY(result.contains("FOO"));
QVERIFY(result.contains("BAZ"));
QVERIFY(result.contains("A"));
QVERIFY(result.contains("HELLO"));
}
void tst_QProcessEnvironment::insertEnv()
{
QProcessEnvironment e;
e.insert("FOO", "bar");
e.insert("A", "bc");
e.insert("Hello", "World");
QProcessEnvironment e2;
e2.insert("FOO2", "bar2");
e2.insert("A2", "bc2");
e2.insert("Hello", "Another World");
e.insert(e2);
QStringList keys = e.keys();
QCOMPARE(keys.length(), 5);
QCOMPARE(e.value("FOO"), QString("bar"));
QCOMPARE(e.value("A"), QString("bc"));
QCOMPARE(e.value("Hello"), QString("Another World"));
QCOMPARE(e.value("FOO2"), QString("bar2"));
QCOMPARE(e.value("A2"), QString("bc2"));
}
void tst_QProcessEnvironment::caseSensitivity()
{
QProcessEnvironment e;
e.insert("foo", "bar");
#ifdef Q_OS_WIN
// Windows is case-insensitive, but case-preserving
QVERIFY(e.contains("foo"));
QVERIFY(e.contains("FOO"));
QVERIFY(e.contains("FoO"));
QCOMPARE(e.value("foo"), QString("bar"));
QCOMPARE(e.value("FOO"), QString("bar"));
QCOMPARE(e.value("FoO"), QString("bar"));
// Per Windows, this overwrites the value, but keeps the name's original capitalization
e.insert("Foo", "Bar");
QStringList list = e.toStringList();
QCOMPARE(list.length(), 1);
QCOMPARE(list.at(0), QString("foo=Bar"));
#else
// otherwise, it's case sensitive
QVERIFY(e.contains("foo"));
QVERIFY(!e.contains("FOO"));
e.insert("FOO", "baz");
QVERIFY(e.contains("FOO"));
QCOMPARE(e.value("FOO"), QString("baz"));
QCOMPARE(e.value("foo"), QString("bar"));
QStringList list = e.toStringList();
QCOMPARE(list.length(), 2);
QVERIFY(list.contains("foo=bar"));
QVERIFY(list.contains("FOO=baz"));
#endif
}
void tst_QProcessEnvironment::systemEnvironment()
{
static const char envname[] = "THIS_ENVIRONMENT_VARIABLE_HOPEFULLY_DOESNT_EXIST";
QByteArray path = qgetenv("PATH");
QByteArray nonexistant = qgetenv(envname);
QProcessEnvironment system = QProcessEnvironment::systemEnvironment();
QVERIFY(nonexistant.isNull());
#ifdef Q_WS_WINCE
// Windows CE has no environment
QVERIFY(path.isEmpty());
QVERIFY(!system.contains("PATH"));
QVERIFY(system.isEmpty());
#else
// all other system have environments
if (path.isEmpty())
QFAIL("Could not find the PATH environment variable -- please correct the test environment");
QVERIFY(system.contains("PATH"));
QCOMPARE(system.value("PATH"), QString::fromLocal8Bit(path));
QVERIFY(!system.contains(envname));
# ifdef Q_OS_WIN
// check case-insensitive too
QVERIFY(system.contains("path"));
QCOMPARE(system.value("path"), QString::fromLocal8Bit(path));
QVERIFY(!system.contains(QString(envname).toLower()));
# endif
#endif
}
void tst_QProcessEnvironment::putenv()
{
#ifdef Q_WS_WINCE
QSKIP("Windows CE has no environment", SkipAll);
#else
static const char envname[] = "WE_RE_SETTING_THIS_ENVIRONMENT_VARIABLE";
static bool testRan = false;
if (testRan)
QFAIL("You cannot run this test more than once, since we modify the environment");
testRan = true;
QByteArray valBefore = qgetenv(envname);
if (!valBefore.isNull())
QFAIL("The environment variable we set in the environment is already set! -- please correct the test environment");
QProcessEnvironment eBefore = QProcessEnvironment::systemEnvironment();
qputenv(envname, "Hello, World");
QByteArray valAfter = qgetenv(envname);
if (valAfter != "Hello, World")
QSKIP("Could not test: qputenv did not do its job", SkipAll);
QProcessEnvironment eAfter = QProcessEnvironment::systemEnvironment();
QVERIFY(!eBefore.contains(envname));
QVERIFY(eAfter.contains(envname));
QCOMPARE(eAfter.value(envname), QString("Hello, World"));
# ifdef Q_OS_WIN
// check case-insensitive too
QString lower = envname;
lower = lower.toLower();
QVERIFY(!eBefore.contains(lower));
QVERIFY(eAfter.contains(lower));
QCOMPARE(eAfter.value(lower), QString("Hello, World"));
# endif
#endif
}
QTEST_MAIN(tst_QProcessEnvironment)
#include "tst_qprocessenvironment.moc"