Import QMimeType / QMimeDatabase into QtCore.

History of the development before the import:
ssh://codereview.qt-project.org/playground/mimetypes.git

Mimetype definitions come from shared-mime-info where available (UNIX systems),
loaded using a mmap'ed binary cache generated by update-mime-database.
As a fallback if no cache is found, we parse the raw XML files otherwise.

This makes the MIME type support fast and with very low memory usage on UNIX,
and it makes it easy to use on Windows (no dependency on shared-mime-info,
Qt even includes a freedesktop.xml file to use if none are found on the system).

Change-Id: I27b05008216ff936dc463bd80d3893422bfb940e
Reviewed-by: Richard J. Moore <rich@kde.org>

1 files changed, 257 insertions, 0 deletions

diff --git a/tests/auto/corelib/mimetypes/qmimetype/tst_qmimetype.cpp b/tests/auto/corelib/mimetypes/qmimetype/tst_qmimetype.cpp
new file mode 100644
index 0000000000..6f24bfe6f1
--- /dev/null
+++ b/tests/auto/corelib/mimetypes/qmimetype/tst_qmimetype.cpp
@@ -0,0 +1,257 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** 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 <private/qmimetype_p.h>
+
+#include <qmimetype.h>
+#include <qmimedatabase.h>
+
+#include <QtTest/QtTest>
+
+
+class tst_qmimetype : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void initTestCase();
+
+    void isValid();
+    void name();
+    void genericIconName();
+    void iconName();
+    void suffixes();
+};
+
+// ------------------------------------------------------------------------------------------------
+
+void tst_qmimetype::initTestCase()
+{
+    qputenv("XDG_DATA_DIRS", "doesnotexist");
+}
+
+// ------------------------------------------------------------------------------------------------
+
+static QString qMimeTypeName()
+{
+    static const QString result ("No name of the MIME type");
+    return result;
+}
+
+static QString qMimeTypeGenericIconName()
+{
+    static const QString result ("No file name of an icon image that represents the MIME type");
+    return result;
+}
+
+static QString qMimeTypeIconName()
+{
+    static const QString result ("No file name of an icon image that represents the MIME type");
+    return result;
+}
+
+static QStringList buildQMimeTypeFilenameExtensions()
+{
+    QStringList result;
+    result << QString::fromLatin1("*.png");
+    return result;
+}
+
+static QStringList qMimeTypeGlobPatterns()
+{
+    static const QStringList result (buildQMimeTypeFilenameExtensions());
+    return result;
+}
+
+// ------------------------------------------------------------------------------------------------
+
+#ifndef Q_COMPILER_RVALUE_REFS
+QMIMETYPE_BUILDER
+#else
+QMIMETYPE_BUILDER_FROM_RVALUE_REFS
+#endif
+
+// ------------------------------------------------------------------------------------------------
+
+void tst_qmimetype::isValid()
+{
+    QMimeType instantiatedQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    QVERIFY(instantiatedQMimeType.isValid());
+
+    QMimeType otherQMimeType (instantiatedQMimeType);
+
+    QVERIFY(otherQMimeType.isValid());
+    QCOMPARE(instantiatedQMimeType, otherQMimeType);
+
+    QMimeType defaultQMimeType;
+
+    QVERIFY(!defaultQMimeType.isValid());
+}
+
+// ------------------------------------------------------------------------------------------------
+
+void tst_qmimetype::name()
+{
+    QMimeType instantiatedQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    QMimeType otherQMimeType (
+                  buildQMimeType (
+                      QString(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    // Verify that the Name is part of the equality test:
+    QCOMPARE(instantiatedQMimeType.name(), qMimeTypeName());
+
+    QVERIFY(instantiatedQMimeType != otherQMimeType);
+    QVERIFY(!(instantiatedQMimeType == otherQMimeType));
+}
+
+// ------------------------------------------------------------------------------------------------
+
+void tst_qmimetype::genericIconName()
+{
+    QMimeType instantiatedQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    QMimeType otherQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      QString(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    // Verify that the GenericIconName is part of the equality test:
+    QCOMPARE(instantiatedQMimeType.genericIconName(), qMimeTypeGenericIconName());
+
+    QVERIFY(instantiatedQMimeType != otherQMimeType);
+    QVERIFY(!(instantiatedQMimeType == otherQMimeType));
+}
+
+// ------------------------------------------------------------------------------------------------
+
+void tst_qmimetype::iconName()
+{
+    QMimeType instantiatedQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    QMimeType otherQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      QString(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    // Verify that the IconName is part of the equality test:
+    QCOMPARE(instantiatedQMimeType.iconName(), qMimeTypeIconName());
+
+    QVERIFY(instantiatedQMimeType != otherQMimeType);
+    QVERIFY(!(instantiatedQMimeType == otherQMimeType));
+}
+
+// ------------------------------------------------------------------------------------------------
+
+void tst_qmimetype::suffixes()
+{
+    QMimeType instantiatedQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      qMimeTypeGlobPatterns()
+                  )
+              );
+
+    QMimeType otherQMimeType (
+                  buildQMimeType (
+                      qMimeTypeName(),
+                      qMimeTypeGenericIconName(),
+                      qMimeTypeIconName(),
+                      QStringList()
+                  )
+              );
+
+    // Verify that the Suffixes are part of the equality test:
+    QCOMPARE(instantiatedQMimeType.globPatterns(), qMimeTypeGlobPatterns());
+    QCOMPARE(instantiatedQMimeType.suffixes(), QStringList() << QString::fromLatin1("png"));
+
+    QVERIFY(instantiatedQMimeType != otherQMimeType);
+    QVERIFY(!(instantiatedQMimeType == otherQMimeType));
+}
+
+// ------------------------------------------------------------------------------------------------
+
+QTEST_GUILESS_MAIN(tst_qmimetype)
+#include "tst_qmimetype.moc"