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    41 

    42 #include <QtTest>

    43 #include <QObject>

    44 #include <QProcessEnvironment>

    45 

    46 // Note:

    47 // in cross-platform tests, ALWAYS use UPPERCASE variable names

    48 // That's because on Windows, the variables are uppercased

    49 

    50 class tst_QProcessEnvironment: public QObject

    51 {

    52     Q_OBJECT

    53 private slots:

    54     void operator_eq();

    55     void clearAndIsEmpty();

    56     void insert();

    57     void emptyNull();

    58     void toStringList();

    59 

    60     void caseSensitivity();

    61     void systemEnvironment();

    62     void putenv();

    63 };

    64 

    65 void tst_QProcessEnvironment::operator_eq()

    66 {

    67     QProcessEnvironment e1;

    68     QVERIFY(e1 == e1);

    69     e1.clear();

    70     QVERIFY(e1 == e1);

    71 

    72     e1 = QProcessEnvironment();

    73     QProcessEnvironment e2;

    74     QVERIFY(e1 == e2);

    75 

    76     e1.clear();

    77     QVERIFY(e1 != e2);

    78 

    79     e2.clear();

    80 

    81     QVERIFY(e1 == e2);

    82 }

    83 

    84 void tst_QProcessEnvironment::clearAndIsEmpty()

    85 {

    86     QProcessEnvironment e;

    87     e.insert("FOO", "bar");

    88     QVERIFY(!e.isEmpty());

    89     e.clear();

    90     QVERIFY(e.isEmpty());

    91 }

    92 

    93 void tst_QProcessEnvironment::insert()

    94 {

    95     QProcessEnvironment e;

    96     e.insert("FOO", "bar");

    97     QVERIFY(!e.isEmpty());

    98     QVERIFY(e.contains("FOO"));

    99     QCOMPARE(e.value("FOO"), QString("bar"));

   100 

   101     e.remove("FOO");

   102     QVERIFY(!e.contains("FOO"));

   103     QVERIFY(e.value("FOO").isNull());

   104 

   105     e.clear();

   106     QVERIFY(!e.contains("FOO"));

   107 }

   108 

   109 void tst_QProcessEnvironment::emptyNull()

   110 {

   111     QProcessEnvironment e;

   112 

   113     e.insert("FOO", "");

   114     QVERIFY(e.contains("FOO"));

   115     QVERIFY(e.value("FOO").isEmpty());

   116     QVERIFY(!e.value("FOO").isNull());

   117 

   118     e.insert("FOO", QString());

   119     QVERIFY(e.contains("FOO"));

   120     QVERIFY(e.value("FOO").isEmpty());

   121     // don't test if it's NULL, since we shall not make a guarantee

   122 

   123     e.remove("FOO");

   124     QVERIFY(!e.contains("FOO"));

   125 }

   126 

   127 void tst_QProcessEnvironment::toStringList()

   128 {

   129     QProcessEnvironment e;

   130     QVERIFY(e.isEmpty());

   131     QVERIFY(e.toStringList().isEmpty());

   132 

   133     e.insert("FOO", "bar");

   134     QStringList result = e.toStringList();

   135     QVERIFY(!result.isEmpty());

   136     QCOMPARE(result.length(), 1);

   137     QCOMPARE(result.at(0), QString("FOO=bar"));

   138 

   139     e.clear();

   140     e.insert("BAZ", "");

   141     result = e.toStringList();

   142     QCOMPARE(result.at(0), QString("BAZ="));

   143 

   144     e.insert("FOO", "bar");

   145     e.insert("A", "bc");

   146     e.insert("HELLO", "World");

   147     result = e.toStringList();

   148     QCOMPARE(result.length(), 4);

   149 

   150     // order is not specified, so use contains()

   151     QVERIFY(result.contains("FOO=bar"));

   152     QVERIFY(result.contains("BAZ="));

   153     QVERIFY(result.contains("A=bc"));

   154     QVERIFY(result.contains("HELLO=World"));

   155 }

   156 

   157 void tst_QProcessEnvironment::caseSensitivity()

   158 {

   159     QProcessEnvironment e;

   160     e.insert("foo", "bar");

   161 

   162 #ifdef Q_OS_WIN

   163     // on Windows, it's uppercased

   164     QVERIFY(e.contains("foo"));

   165     QVERIFY(e.contains("FOO"));

   166     QVERIFY(e.contains("FoO"));

   167 

   168     QCOMPARE(e.value("foo"), QString("bar"));

   169     QCOMPARE(e.value("FOO"), QString("bar"));

   170     QCOMPARE(e.value("FoO"), QString("bar"));

   171 

   172     QStringList list = e.toStringList();

   173     QCOMPARE(list.at(0), QString("FOO=bar"));

   174 #else

   175     // otherwise, it's case sensitive

   176     QVERIFY(e.contains("foo"));

   177     QVERIFY(!e.contains("FOO"));

   178 

   179     e.insert("FOO", "baz");

   180     QVERIFY(e.contains("FOO"));

   181     QCOMPARE(e.value("FOO"), QString("baz"));

   182     QCOMPARE(e.value("foo"), QString("bar"));

   183 

   184     QStringList list = e.toStringList();

   185     QVERIFY(list.contains("foo=bar"));

   186     QVERIFY(list.contains("FOO=baz"));

   187 #endif

   188 }

   189 

   190 void tst_QProcessEnvironment::systemEnvironment()

   191 {

   192     static const char envname[] = "THIS_ENVIRONMENT_VARIABLE_HOPEFULLY_DOESNT_EXIST";

   193     QByteArray path = qgetenv("PATH");

   194     QByteArray nonexistant = qgetenv(envname);

   195     QProcessEnvironment system = QProcessEnvironment::systemEnvironment();

   196 

   197     QVERIFY(nonexistant.isNull());

   198 

   199 #ifdef Q_WS_WINCE

   200     // Windows CE has no environment

   201     QVERIFY(path.isEmpty());

   202     QVERIFY(!system.contains("PATH"));

   203     QVERIFY(system.isEmpty());

   204 #else

   205     // all other system have environments

   206     if (path.isEmpty())

   207         QFAIL("Could not find the PATH environment variable -- please correct the test environment");

   208 

   209     QVERIFY(system.contains("PATH"));

   210     QCOMPARE(system.value("PATH"), QString::fromLocal8Bit(path));

   211 

   212     QVERIFY(!system.contains(envname));

   213 

   214 # ifdef Q_OS_WIN

   215     // check case-insensitive too

   216     QVERIFY(system.contains("path"));

   217     QCOMPARE(system.value("path"), QString::fromLocal8Bit(path));

   218 

   219     QVERIFY(!system.contains(QString(envname).toLower()));

   220 # endif

   221 #endif

   222 }

   223 

   224 void tst_QProcessEnvironment::putenv()

   225 {

   226 #ifdef Q_WS_WINCE

   227     QSKIP("Windows CE has no environment", SkipAll);

   228 #else

   229     static const char envname[] = "WE_RE_SETTING_THIS_ENVIRONMENT_VARIABLE";

   230     static bool testRan = false;

   231 

   232     if (testRan)

   233         QFAIL("You cannot run this test more than once, since we modify the environment");

   234     testRan = true;

   235 

   236     QByteArray valBefore = qgetenv(envname);

   237     if (!valBefore.isNull())

   238         QFAIL("The environment variable we set in the environment is already set! -- please correct the test environment");

   239     QProcessEnvironment eBefore = QProcessEnvironment::systemEnvironment();

   240 

   241     qputenv(envname, "Hello, World");

   242     QByteArray valAfter = qgetenv(envname);

   243     if (valAfter != "Hello, World")

   244         QSKIP("Could not test: qputenv did not do its job", SkipAll);

   245 

   246     QProcessEnvironment eAfter = QProcessEnvironment::systemEnvironment();

   247 

   248     QVERIFY(!eBefore.contains(envname));

   249     QVERIFY(eAfter.contains(envname));

   250     QCOMPARE(eAfter.value(envname), QString("Hello, World"));

   251 

   252 # ifdef Q_OS_WIN

   253     // check case-insensitive too

   254     QString lower = envname;

   255     lower = lower.toLower();

   256     QVERIFY(!eBefore.contains(lower));

   257     QVERIFY(eAfter.contains(lower));

   258     QCOMPARE(eAfter.value(lower), QString("Hello, World"));

   259 # endif

   260 #endif

   261 }

   262 

   263 QTEST_MAIN(tst_QProcessEnvironment)

   264 

   265 #include "tst_qprocessenvironment.moc"