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 "kitemviews/kfileitemlistview.h"
  21 #include "kitemviews/kfileitemmodel.h"
  22 #include "kitemviews/private/kfileitemmodeldirlister.h"
  23 #include "testdir.h"
  24
  25 #include <QGraphicsView>
  26 #include <QTest>
  27 #include <QSignalSpy>
  28
  29 class KFileItemListViewTest : public QObject
  30 {
  31     Q_OBJECT
  32
  33 private slots:
  34     void init();
  35     void cleanup();
  36     void testGroupedItemChanges();
  37
  38 private:
  39     KFileItemListView* m_listView;
  40     KFileItemModel* m_model;
  41     TestDir* m_testDir;
  42     QGraphicsView* m_graphicsView;
  43 };
  44
  45 void KFileItemListViewTest::init()
  46 {
  47     qRegisterMetaType<KItemRangeList>("KItemRangeList");
  48     qRegisterMetaType<KFileItemList>("KFileItemList");
  49
  50     m_testDir = new TestDir();
  51     m_model = new KFileItemModel();
  52     m_model->m_dirLister->setAutoUpdate(false);
  53
  54     m_listView = new KFileItemListView();
  55     m_listView->onModelChanged(m_model, nullptr);
  56
  57     m_graphicsView = new QGraphicsView();
  58     m_graphicsView->show();
  59     QVERIFY(QTest::qWaitForWindowExposed(m_graphicsView));
  60 }
  61
  62 void KFileItemListViewTest::cleanup()
  63 {
  64     delete m_graphicsView;
  65     m_graphicsView = nullptr;
  66
  67     delete m_listView;
  68     m_listView = nullptr;
  69
  70     delete m_model;
  71     m_model = nullptr;
  72
  73     delete m_testDir;
  74     m_testDir = nullptr;
  75 }
  76
  77 /**
  78  * If grouping is enabled, the group headers must be updated
  79  * when items have been inserted or removed. This updating
  80  * may only be done after all multiple ranges have been inserted
  81  * or removed and not after each individual range (see description
  82  * in #ifndef QT_NO_DEBUG-block of KItemListView::slotItemsInserted()
  83  * and KItemListView::slotItemsRemoved()). This test inserts and
  84  * removes multiple ranges and will trigger the Q_ASSERT in the
  85  * ifndef QT_NO_DEBUG-block in case if a group-header will be updated
  86  * too early.
  87  */
  88 void KFileItemListViewTest::testGroupedItemChanges()
  89 {
  90     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
  91     QVERIFY(itemsInsertedSpy.isValid());
  92     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
  93     QVERIFY(itemsRemovedSpy.isValid());
  94
  95     m_model->setGroupedSorting(true);
  96
  97     m_testDir->createFiles({"1", "3", "5"});
  98     m_model->loadDirectory(m_testDir->url());
  99     QVERIFY(itemsInsertedSpy.wait());
 100     QCOMPARE(m_model->count(), 3);
 101
 102     m_testDir->createFiles({"2", "4"});
 103     m_model->m_dirLister->updateDirectory(m_testDir->url());
 104     QVERIFY(itemsInsertedSpy.wait());
 105     QCOMPARE(m_model->count(), 5);
 106
 107     m_testDir->removeFiles({"1", "3", "5"});
 108     m_model->m_dirLister->updateDirectory(m_testDir->url());
 109     QVERIFY(itemsRemovedSpy.wait());
 110     QCOMPARE(m_model->count(), 2);
 111 }
 112
 113 QTEST_MAIN(KFileItemListViewTest)
 114
 115 #include "kfileitemlistviewtest.moc"