src/tests/kfileitemmodeltest.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_kde.h>
  21
  22 #include <KDirLister>
  23 #include "kitemviews/kfileitemmodel.h"
  24 #include "testdir.h"
  25
  26 namespace {
  27     const int DefaultTimeout = 2000;
  28 };
  29
  30 class KFileItemModelTest : public QObject
  31 {
  32     Q_OBJECT
  33
  34 private slots:
  35     void init();
  36     void cleanup();
  37
  38     void testDefaultRoles();
  39     void testDefaultSortRole();
  40     void testDefaultGroupRole();
  41     void testNewItems();
  42     void testInsertingItems();
  43
  44     void testExpansionLevelsCompare_data();
  45     void testExpansionLevelsCompare();
  46
  47 private:
  48     bool isModelConsistent() const;
  49
  50 private:
  51     KFileItemModel* m_model;
  52     KDirLister* m_dirLister;
  53     TestDir* m_testDir;
  54 };
  55
  56 void KFileItemModelTest::init()
  57 {
  58     qRegisterMetaType<KItemRangeList>("KItemRangeList");
  59     qRegisterMetaType<KFileItemList>("KFileItemList");
  60
  61     m_testDir = new TestDir();
  62     m_dirLister = new KDirLister();
  63     m_model = new KFileItemModel(m_dirLister);
  64 }
  65
  66 void KFileItemModelTest::cleanup()
  67 {
  68     delete m_model;
  69     m_model = 0;
  70
  71     delete m_dirLister;
  72     m_dirLister = 0;
  73
  74     delete m_testDir;
  75     m_testDir = 0;
  76 }
  77
  78 void KFileItemModelTest::testDefaultRoles()
  79 {
  80     const QSet<QByteArray> roles = m_model->roles();
  81     QCOMPARE(roles.count(), 2);
  82     QVERIFY(roles.contains("name"));
  83     QVERIFY(roles.contains("isDir"));
  84 }
  85
  86 void KFileItemModelTest::testDefaultSortRole()
  87 {
  88     QCOMPARE(m_model->sortRole(), QByteArray("name"));
  89
  90     QStringList files;
  91     files << "c.txt" << "a.txt" << "b.txt";
  92
  93     m_testDir->createFiles(files);
  94
  95     m_dirLister->openUrl(m_testDir->url());
  96     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
  97
  98     QCOMPARE(m_model->count(), 3);
  99     QCOMPARE(m_model->data(0)["name"].toString(), QString("a.txt"));
 100     QCOMPARE(m_model->data(1)["name"].toString(), QString("b.txt"));
 101     QCOMPARE(m_model->data(2)["name"].toString(), QString("c.txt"));
 102 }
 103
 104 void KFileItemModelTest::testDefaultGroupRole()
 105 {
 106     QVERIFY(m_model->groupRole().isEmpty());
 107 }
 108
 109 void KFileItemModelTest::testNewItems()
 110 {
 111     QStringList files;
 112     files << "a.txt" << "b.txt" << "c.txt";
 113     m_testDir->createFiles(files);
 114
 115     m_dirLister->openUrl(m_testDir->url());
 116     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 117
 118     QCOMPARE(m_model->count(), 3);
 119
 120     QVERIFY(isModelConsistent());
 121 }
 122
 123 void KFileItemModelTest::testInsertingItems()
 124 {
 125     // QSKIP("Temporary disabled", SkipSingle);
 126
 127     // KFileItemModel prevents that inserting a punch of items sequentially
 128     // results in an itemsInserted()-signal for each item. Instead internally
 129     // a timeout is given that collects such operations and results in only
 130     // one itemsInserted()-signal. However in this test we want to stress
 131     // KFileItemModel to do a lot of insert operation and hence decrease
 132     // the timeout to 1 millisecond.
 133     m_model->m_minimumUpdateIntervalTimer->setInterval(1);
 134
 135     m_testDir->createFile("1");
 136     m_dirLister->openUrl(m_testDir->url());
 137     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 138     QCOMPARE(m_model->count(), 1);
 139
 140     // Insert 10 items for 20 times. After each insert operation the model consistency
 141     // is checked.
 142     QSet<int> insertedItems;
 143     for (int i = 0; i < 20; ++i) {
 144         QSignalSpy spy(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 145
 146         for (int j = 0; j < 10; ++j) {
 147             int itemName = qrand();
 148             while (insertedItems.contains(itemName)) {
 149                 itemName = qrand();
 150             }
 151             insertedItems.insert(itemName);
 152
 153             m_testDir->createFile(QString::number(itemName));
 154         }
 155
 156         m_dirLister->updateDirectory(m_testDir->url());
 157         if (spy.count() == 0) {
 158             QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 159         }
 160
 161         QVERIFY(isModelConsistent());
 162     }
 163
 164     QCOMPARE(m_model->count(), 201);
 165 }
 166
 167 void KFileItemModelTest::testExpansionLevelsCompare_data()
 168 {
 169     QTest::addColumn<QString>("urlA");
 170     QTest::addColumn<QString>("urlB");
 171     QTest::addColumn<int>("result");
 172
 173     QTest::newRow("Equal") << "/a/b" << "/a/b" << 0;
 174     QTest::newRow("Sub path: A < B") << "/a/b" << "/a/b/c" << -1;
 175     QTest::newRow("Sub path: A > B") << "/a/b/c" << "/a/b" << +1;
 176 }
 177
 178 void KFileItemModelTest::testExpansionLevelsCompare()
 179 {
 180     QFETCH(QString, urlA);
 181     QFETCH(QString, urlB);
 182     QFETCH(int, result);
 183
 184     const KFileItem a(KUrl(urlA), QString(), mode_t(-1));
 185     const KFileItem b(KUrl(urlB), QString(), mode_t(-1));
 186     QCOMPARE(m_model->expansionLevelsCompare(a, b), result);
 187 }
 188
 189 bool KFileItemModelTest::isModelConsistent() const
 190 {
 191     for (int i = 0; i < m_model->count(); ++i) {
 192         const KFileItem item = m_model->fileItem(i);
 193         if (item.isNull()) {
 194             qWarning() << "Item" << i << "is null";
 195             return false;
 196         }
 197
 198         const int itemIndex = m_model->index(item);
 199         if (itemIndex != i) {
 200             qWarning() << "Item" << i << "has a wrong index:" << itemIndex;
 201             return false;
 202         }
 203     }
 204
 205     return true;
 206 }
 207
 208 QTEST_KDEMAIN(KFileItemModelTest, NoGUI)
 209
 210 #include "kfileitemmodeltest.moc"