src/tests/kfileitemlistviewtest.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include <qtest.h>
  21 #include <QSignalSpy>
  22 #include "kitemviews/kfileitemlistview.h"
  23 #include "kitemviews/kfileitemmodel.h"
  24 #include "kitemviews/private/kfileitemmodeldirlister.h"
  25 #include "testdir.h"
  26
  27 #include <QGraphicsView>
  28
  29 namespace {
  30     const int DefaultTimeout = 2000;
  31 };
  32
  33 class KFileItemListViewTest : public QObject
  34 {
  35     Q_OBJECT
  36
  37 private slots:
  38     void init();
  39     void cleanup();
  40     void testGroupedItemChanges();
  41
  42 private:
  43     KFileItemListView* m_listView;
  44     KFileItemModel* m_model;
  45     TestDir* m_testDir;
  46     QGraphicsView* m_graphicsView;
  47 };
  48
  49 void KFileItemListViewTest::init()
  50 {
  51     qRegisterMetaType<KItemRangeList>("KItemRangeList");
  52     qRegisterMetaType<KFileItemList>("KFileItemList");
  53
  54     m_testDir = new TestDir();
  55     m_model = new KFileItemModel();
  56     m_model->m_dirLister->setAutoUpdate(false);
  57
  58     m_listView = new KFileItemListView();
  59     m_listView->onModelChanged(m_model, 0);
  60
  61     m_graphicsView = new QGraphicsView();
  62     m_graphicsView->show();
  63     QTest::qWaitForWindowShown(m_graphicsView);
  64 }
  65
  66 void KFileItemListViewTest::cleanup()
  67 {
  68     delete m_graphicsView;
  69     m_graphicsView = 0;
  70
  71     delete m_listView;
  72     m_listView = 0;
  73
  74     delete m_model;
  75     m_model = 0;
  76
  77     delete m_testDir;
  78     m_testDir = 0;
  79 }
  80
  81 /**
  82  * If grouping is enabled, the group headers must be updated
  83  * when items have been inserted or removed. This updating
  84  * may only be done after all multiple ranges have been inserted
  85  * or removed and not after each individual range (see description
  86  * in #ifndef QT_NO_DEBUG-block of KItemListView::slotItemsInserted()
  87  * and KItemListView::slotItemsRemoved()). This test inserts and
  88  * removes multiple ranges and will trigger the Q_ASSERT in the
  89  * ifndef QT_NO_DEBUG-block in case if a group-header will be updated
  90  * too early.
  91  */
  92 void KFileItemListViewTest::testGroupedItemChanges()
  93 {
  94     m_model->setGroupedSorting(true);
  95
  96     m_testDir->createFiles(QStringList() << "1" << "3" << "5");
  97
  98     m_model->loadDirectory(m_testDir->url());
  99     QSignalSpy psy(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 100     QVERIFY(psy.wait(DefaultTimeout));
 101     QCOMPARE(m_model->count(), 3);
 102
 103     m_testDir->createFiles(QStringList() << "2" << "4");
 104     m_model->m_dirLister->updateDirectory(m_testDir->url());
 105     QSignalSpy psyItemsInserted(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 106     QVERIFY(psyItemsInserted.wait(DefaultTimeout));
 107     QCOMPARE(m_model->count(), 5);
 108
 109     m_testDir->removeFile("1");
 110     m_testDir->removeFile("3");
 111     m_testDir->removeFile("5");
 112     m_model->m_dirLister->updateDirectory(m_testDir->url());
 113     QSignalSpy psyItemsRemoved(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 114     QVERIFY(psyItemsRemoved.wait(DefaultTimeout));
 115     QCOMPARE(m_model->count(), 2);
 116 }
 117
 118 QTEST_MAIN(KFileItemListViewTest)
 119
 120 #include "kfileitemlistviewtest.moc"