src/tests/kfileitemmodeltest.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2011 by Frank Reininghaus <frank78ac@googlemail.com>    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include <qtest_kde.h>
  22
  23 #include <KDirLister>
  24 #include "kitemviews/kfileitemmodel.h"
  25 #include "kitemviews/private/kfileitemmodeldirlister.h"
  26 #include "testdir.h"
  27
  28 void myMessageOutput(QtMsgType type, const char* msg)
  29 {
  30     switch (type) {
  31     case QtDebugMsg:
  32         break;
  33     case QtWarningMsg:
  34         break;
  35     case QtCriticalMsg:
  36         fprintf(stderr, "Critical: %s\n", msg);
  37         break;
  38     case QtFatalMsg:
  39         fprintf(stderr, "Fatal: %s\n", msg);
  40         abort();
  41     default:
  42        break;
  43     }
  44 }
  45
  46 namespace {
  47     const int DefaultTimeout = 5000;
  48 };
  49
  50 Q_DECLARE_METATYPE(KItemRangeList)
  51 Q_DECLARE_METATYPE(QList<int>)
  52
  53 class KFileItemModelTest : public QObject
  54 {
  55     Q_OBJECT
  56
  57 private slots:
  58     void init();
  59     void cleanup();
  60
  61     void testDefaultRoles();
  62     void testDefaultSortRole();
  63     void testDefaultGroupedSorting();
  64     void testNewItems();
  65     void testRemoveItems();
  66     void testDirLoadingCompleted();
  67     void testSetData();
  68     void testSetDataWithModifiedSortRole_data();
  69     void testSetDataWithModifiedSortRole();
  70     void testModelConsistencyWhenInsertingItems();
  71     void testItemRangeConsistencyWhenInsertingItems();
  72     void testExpandItems();
  73     void testExpandParentItems();
  74     void testSorting();
  75     void testIndexForKeyboardSearch();
  76     void testNameFilter();
  77     void testEmptyPath();
  78
  79 private:
  80     bool isModelConsistent() const;
  81     QStringList itemsInModel() const;
  82
  83 private:
  84     KFileItemModel* m_model;
  85     TestDir* m_testDir;
  86 };
  87
  88 void KFileItemModelTest::init()
  89 {
  90     // The item-model tests result in a huge number of debugging
  91     // output from kdelibs. Only show critical and fatal messages.
  92     qInstallMsgHandler(myMessageOutput);
  93
  94     qRegisterMetaType<KItemRange>("KItemRange");
  95     qRegisterMetaType<KItemRangeList>("KItemRangeList");
  96     qRegisterMetaType<KFileItemList>("KFileItemList");
  97
  98     m_testDir = new TestDir();
  99     m_model = new KFileItemModel();
 100     m_model->m_dirLister->setAutoUpdate(false);
 101 }
 102
 103 void KFileItemModelTest::cleanup()
 104 {
 105     delete m_model;
 106     m_model = 0;
 107
 108     delete m_testDir;
 109     m_testDir = 0;
 110 }
 111
 112 void KFileItemModelTest::testDefaultRoles()
 113 {
 114     const QSet<QByteArray> roles = m_model->roles();
 115     QCOMPARE(roles.count(), 3);
 116     QVERIFY(roles.contains("text"));
 117     QVERIFY(roles.contains("isDir"));
 118     QVERIFY(roles.contains("isLink"));
 119 }
 120
 121 void KFileItemModelTest::testDefaultSortRole()
 122 {
 123     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 124
 125     QStringList files;
 126     files << "c.txt" << "a.txt" << "b.txt";
 127
 128     m_testDir->createFiles(files);
 129
 130     m_model->loadDirectory(m_testDir->url());
 131     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 132
 133     QCOMPARE(m_model->count(), 3);
 134     QCOMPARE(m_model->data(0)["text"].toString(), QString("a.txt"));
 135     QCOMPARE(m_model->data(1)["text"].toString(), QString("b.txt"));
 136     QCOMPARE(m_model->data(2)["text"].toString(), QString("c.txt"));
 137 }
 138
 139 void KFileItemModelTest::testDefaultGroupedSorting()
 140 {
 141     QCOMPARE(m_model->groupedSorting(), false);
 142 }
 143
 144 void KFileItemModelTest::testNewItems()
 145 {
 146     QStringList files;
 147     files << "a.txt" << "b.txt" << "c.txt";
 148     m_testDir->createFiles(files);
 149
 150     m_model->loadDirectory(m_testDir->url());
 151     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 152
 153     QCOMPARE(m_model->count(), 3);
 154
 155     QVERIFY(isModelConsistent());
 156 }
 157
 158 void KFileItemModelTest::testRemoveItems()
 159 {
 160     m_testDir->createFile("a.txt");
 161     m_testDir->createFile("b.txt");
 162     m_model->loadDirectory(m_testDir->url());
 163     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 164     QCOMPARE(m_model->count(), 2);
 165     QVERIFY(isModelConsistent());
 166
 167     m_testDir->removeFile("a.txt");
 168     m_model->m_dirLister->updateDirectory(m_testDir->url());
 169     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsRemoved(KItemRangeList)), DefaultTimeout));
 170     QCOMPARE(m_model->count(), 1);
 171     QVERIFY(isModelConsistent());
 172 }
 173
 174 void KFileItemModelTest::testDirLoadingCompleted()
 175 {
 176     QSignalSpy loadingCompletedSpy(m_model, SIGNAL(directoryLoadingCompleted()));
 177     QSignalSpy itemsInsertedSpy(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 178     QSignalSpy itemsRemovedSpy(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 179
 180     m_testDir->createFiles(QStringList() << "a.txt" << "b.txt" << "c.txt");
 181
 182     m_model->loadDirectory(m_testDir->url());
 183     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 184     QCOMPARE(loadingCompletedSpy.count(), 1);
 185     QCOMPARE(itemsInsertedSpy.count(), 1);
 186     QCOMPARE(itemsRemovedSpy.count(), 0);
 187     QCOMPARE(m_model->count(), 3);
 188
 189     m_testDir->createFiles(QStringList() << "d.txt" << "e.txt");
 190     m_model->m_dirLister->updateDirectory(m_testDir->url());
 191     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 192     QCOMPARE(loadingCompletedSpy.count(), 2);
 193     QCOMPARE(itemsInsertedSpy.count(), 2);
 194     QCOMPARE(itemsRemovedSpy.count(), 0);
 195     QCOMPARE(m_model->count(), 5);
 196
 197     m_testDir->removeFile("a.txt");
 198     m_testDir->createFile("f.txt");
 199     m_model->m_dirLister->updateDirectory(m_testDir->url());
 200     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 201     QCOMPARE(loadingCompletedSpy.count(), 3);
 202     QCOMPARE(itemsInsertedSpy.count(), 3);
 203     QCOMPARE(itemsRemovedSpy.count(), 1);
 204     QCOMPARE(m_model->count(), 5);
 205
 206     m_testDir->removeFile("b.txt");
 207     m_model->m_dirLister->updateDirectory(m_testDir->url());
 208     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsRemoved(KItemRangeList)), DefaultTimeout));
 209     QCOMPARE(loadingCompletedSpy.count(), 4);
 210     QCOMPARE(itemsInsertedSpy.count(), 3);
 211     QCOMPARE(itemsRemovedSpy.count(), 2);
 212     QCOMPARE(m_model->count(), 4);
 213
 214     QVERIFY(isModelConsistent());
 215 }
 216
 217 void KFileItemModelTest::testSetData()
 218 {
 219     m_testDir->createFile("a.txt");
 220
 221     m_model->loadDirectory(m_testDir->url());
 222     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 223
 224     QHash<QByteArray, QVariant> values;
 225     values.insert("customRole1", "Test1");
 226     values.insert("customRole2", "Test2");
 227
 228     QSignalSpy itemsChangedSpy(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)));
 229     m_model->setData(0, values);
 230     QCOMPARE(itemsChangedSpy.count(), 1);
 231
 232     values = m_model->data(0);
 233     QCOMPARE(values.value("customRole1").toString(), QString("Test1"));
 234     QCOMPARE(values.value("customRole2").toString(), QString("Test2"));
 235     QVERIFY(isModelConsistent());
 236 }
 237
 238 void KFileItemModelTest::testSetDataWithModifiedSortRole_data()
 239 {
 240     QTest::addColumn<int>("changedIndex");
 241     QTest::addColumn<int>("changedRating");
 242     QTest::addColumn<bool>("expectMoveSignal");
 243     QTest::addColumn<int>("ratingIndex0");
 244     QTest::addColumn<int>("ratingIndex1");
 245     QTest::addColumn<int>("ratingIndex2");
 246
 247     // Default setup:
 248     // Index 0 = rating 2
 249     // Index 1 = rating 4
 250     // Index 2 = rating 6
 251
 252     QTest::newRow("Index 0: Rating 3") << 0 << 3 << false << 3 << 4 << 6;
 253     QTest::newRow("Index 0: Rating 5") << 0 << 5 << true  << 4 << 5 << 6;
 254     QTest::newRow("Index 0: Rating 8") << 0 << 8 << true  << 4 << 6 << 8;
 255
 256     QTest::newRow("Index 2: Rating 1") << 2 << 1 << true  << 1 << 2 << 4;
 257     QTest::newRow("Index 2: Rating 3") << 2 << 3 << true  << 2 << 3 << 4;
 258     QTest::newRow("Index 2: Rating 5") << 2 << 5 << false << 2 << 4 << 5;
 259 }
 260
 261 void KFileItemModelTest::testSetDataWithModifiedSortRole()
 262 {
 263     QFETCH(int, changedIndex);
 264     QFETCH(int, changedRating);
 265     QFETCH(bool, expectMoveSignal);
 266     QFETCH(int, ratingIndex0);
 267     QFETCH(int, ratingIndex1);
 268     QFETCH(int, ratingIndex2);
 269
 270     // Changing the value of a sort-role must result in
 271     // a reordering of the items.
 272     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 273
 274     QStringList files;
 275     files << "a.txt" << "b.txt" << "c.txt";
 276     m_testDir->createFiles(files);
 277
 278     m_model->loadDirectory(m_testDir->url());
 279     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 280
 281     // Fill the "rating" role of each file:
 282     // a.txt -> 2
 283     // b.txt -> 4
 284     // c.txt -> 6
 285
 286     QHash<QByteArray, QVariant> ratingA;
 287     ratingA.insert("rating", 2);
 288     m_model->setData(0, ratingA);
 289
 290     QHash<QByteArray, QVariant> ratingB;
 291     ratingB.insert("rating", 4);
 292     m_model->setData(1, ratingB);
 293
 294     QHash<QByteArray, QVariant> ratingC;
 295     ratingC.insert("rating", 6);
 296     m_model->setData(2, ratingC);
 297
 298     m_model->setSortRole("rating");
 299     QCOMPARE(m_model->data(0).value("rating").toInt(), 2);
 300     QCOMPARE(m_model->data(1).value("rating").toInt(), 4);
 301     QCOMPARE(m_model->data(2).value("rating").toInt(), 6);
 302
 303     // Now change the rating from a.txt. This usually results
 304     // in reordering of the items.
 305     QHash<QByteArray, QVariant> rating;
 306     rating.insert("rating", changedRating);
 307     m_model->setData(changedIndex, rating);
 308
 309     if (expectMoveSignal) {
 310         QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsMoved(KItemRange,QList<int>)), DefaultTimeout));
 311     }
 312
 313     QCOMPARE(m_model->data(0).value("rating").toInt(), ratingIndex0);
 314     QCOMPARE(m_model->data(1).value("rating").toInt(), ratingIndex1);
 315     QCOMPARE(m_model->data(2).value("rating").toInt(), ratingIndex2);
 316     QVERIFY(isModelConsistent());
 317 }
 318
 319 void KFileItemModelTest::testModelConsistencyWhenInsertingItems()
 320 {
 321     //QSKIP("Temporary disabled", SkipSingle);
 322
 323     // KFileItemModel prevents that inserting a punch of items sequentially
 324     // results in an itemsInserted()-signal for each item. Instead internally
 325     // a timeout is given that collects such operations and results in only
 326     // one itemsInserted()-signal. However in this test we want to stress
 327     // KFileItemModel to do a lot of insert operation and hence decrease
 328     // the timeout to 1 millisecond.
 329     m_testDir->createFile("1");
 330     m_model->loadDirectory(m_testDir->url());
 331     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 332     QCOMPARE(m_model->count(), 1);
 333
 334     // Insert 10 items for 20 times. After each insert operation the model consistency
 335     // is checked.
 336     QSet<int> insertedItems;
 337     for (int i = 0; i < 20; ++i) {
 338         QSignalSpy spy(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 339
 340         for (int j = 0; j < 10; ++j) {
 341             int itemName = qrand();
 342             while (insertedItems.contains(itemName)) {
 343                 itemName = qrand();
 344             }
 345             insertedItems.insert(itemName);
 346
 347             m_testDir->createFile(QString::number(itemName));
 348         }
 349
 350         m_model->m_dirLister->updateDirectory(m_testDir->url());
 351         if (spy.count() == 0) {
 352             QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 353         }
 354
 355         QVERIFY(isModelConsistent());
 356     }
 357
 358     QCOMPARE(m_model->count(), 201);
 359 }
 360
 361 void KFileItemModelTest::testItemRangeConsistencyWhenInsertingItems()
 362 {
 363     QStringList files;
 364     files << "B" << "E" << "G";
 365     m_testDir->createFiles(files);
 366
 367     // Due to inserting the 3 items one item-range with index == 0 and
 368     // count == 3 must be given
 369     QSignalSpy spy1(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 370     m_model->loadDirectory(m_testDir->url());
 371     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 372
 373     QCOMPARE(spy1.count(), 1);
 374     QList<QVariant> arguments = spy1.takeFirst();
 375     KItemRangeList itemRangeList = arguments.at(0).value<KItemRangeList>();
 376     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 3));
 377
 378     // The indexes of the item-ranges must always be related to the model before
 379     // the items have been inserted. Having:
 380     //   0 1 2
 381     //   B E G
 382     // and inserting A, C, D, F the resulting model will be:
 383     //   0 1 2 3 4 5 6
 384     //   A B C D E F G
 385     // and the item-ranges must be:
 386     //   index: 0, count: 1 for A
 387     //   index: 1, count: 2 for B, C
 388     //   index: 2, count: 1 for G
 389
 390     files.clear();
 391     files << "A" << "C" << "D" << "F";
 392     m_testDir->createFiles(files);
 393
 394     QSignalSpy spy2(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 395     m_model->m_dirLister->updateDirectory(m_testDir->url());
 396     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 397
 398     QCOMPARE(spy2.count(), 1);
 399     arguments = spy2.takeFirst();
 400     itemRangeList = arguments.at(0).value<KItemRangeList>();
 401     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 1) << KItemRange(1, 2) << KItemRange(2, 1));
 402 }
 403
 404 void KFileItemModelTest::testExpandItems()
 405 {
 406     // Test expanding subfolders in a folder with the items "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1".
 407     // Besides testing the basic item expansion functionality, the test makes sure that
 408     // KFileItemModel::expansionLevelsCompare(const KFileItem& a, const KFileItem& b)
 409     // yields the correct result for "a/a/1" and "a/a-1/", whis is non-trivial because they share the
 410     // first three characters.
 411     QSet<QByteArray> modelRoles = m_model->roles();
 412     modelRoles << "isExpanded" << "isExpandable" << "expandedParentsCount";
 413     m_model->setRoles(modelRoles);
 414
 415     QStringList files;
 416     files << "a/a/1" << "a/a-1/1"; // missing folders are created automatically
 417     m_testDir->createFiles(files);
 418
 419     // Store the URLs of all folders in a set.
 420     QSet<KUrl> allFolders;
 421     allFolders << KUrl(m_testDir->name() + 'a') << KUrl(m_testDir->name() + "a/a") << KUrl(m_testDir->name() + "a/a-1");
 422
 423     m_model->loadDirectory(m_testDir->url());
 424     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 425
 426     // So far, the model contains only "a/"
 427     QCOMPARE(m_model->count(), 1);
 428     QVERIFY(m_model->isExpandable(0));
 429     QVERIFY(!m_model->isExpanded(0));
 430     QVERIFY(m_model->expandedDirectories().empty());
 431
 432     QSignalSpy spyInserted(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 433
 434     // Expand the folder "a/" -> "a/a/" and "a/a-1/" become visible
 435     m_model->setExpanded(0, true);
 436     QVERIFY(m_model->isExpanded(0));
 437     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 438     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/a/", "a/a-1/"
 439     QCOMPARE(m_model->expandedDirectories(), QSet<KUrl>() << KUrl(m_testDir->name() + 'a'));
 440
 441     QCOMPARE(spyInserted.count(), 1);
 442     KItemRangeList itemRangeList = spyInserted.takeFirst().at(0).value<KItemRangeList>();
 443     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 2)); // 2 new items "a/a/" and "a/a-1/" with indices 1 and 2
 444
 445     QVERIFY(m_model->isExpandable(1));
 446     QVERIFY(!m_model->isExpanded(1));
 447     QVERIFY(m_model->isExpandable(2));
 448     QVERIFY(!m_model->isExpanded(2));
 449
 450     // Expand the folder "a/a/" -> "a/a/1" becomes visible
 451     m_model->setExpanded(1, true);
 452     QVERIFY(m_model->isExpanded(1));
 453     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 454     QCOMPARE(m_model->count(), 4);  // 4 items: "a/", "a/a/", "a/a/1", "a/a-1/"
 455     QCOMPARE(m_model->expandedDirectories(), QSet<KUrl>() << KUrl(m_testDir->name() + 'a') << KUrl(m_testDir->name() + "a/a"));
 456
 457     QCOMPARE(spyInserted.count(), 1);
 458     itemRangeList = spyInserted.takeFirst().at(0).value<KItemRangeList>();
 459     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(2, 1)); // 1 new item "a/a/1" with index 2
 460
 461     QVERIFY(!m_model->isExpandable(2));
 462     QVERIFY(!m_model->isExpanded(2));
 463
 464     // Expand the folder "a/a-1/" -> "a/a-1/1" becomes visible
 465     m_model->setExpanded(3, true);
 466     QVERIFY(m_model->isExpanded(3));
 467     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 468     QCOMPARE(m_model->count(), 5);  // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 469     QCOMPARE(m_model->expandedDirectories(), allFolders);
 470
 471     QCOMPARE(spyInserted.count(), 1);
 472     itemRangeList = spyInserted.takeFirst().at(0).value<KItemRangeList>();
 473     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(4, 1)); // 1 new item "a/a-1/1" with index 4
 474
 475     QVERIFY(!m_model->isExpandable(4));
 476     QVERIFY(!m_model->isExpanded(4));
 477
 478     QSignalSpy spyRemoved(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 479
 480     // Collapse the top-level folder -> all other items should disappear
 481     m_model->setExpanded(0, false);
 482     QVERIFY(!m_model->isExpanded(0));
 483     QCOMPARE(m_model->count(), 1);
 484     QVERIFY(!m_model->expandedDirectories().contains(KUrl(m_testDir->name() + 'a'))); // TODO: Make sure that child URLs are also removed
 485
 486     QCOMPARE(spyRemoved.count(), 1);
 487     itemRangeList = spyRemoved.takeFirst().at(0).value<KItemRangeList>();
 488     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 4)); // 4 items removed
 489
 490     // Clear the model, reload the folder and try to restore the expanded folders.
 491     m_model->clear();
 492     QCOMPARE(m_model->count(), 0);
 493     QVERIFY(m_model->expandedDirectories().empty());
 494
 495     m_model->loadDirectory(m_testDir->url());
 496     m_model->restoreExpandedDirectories(allFolders);
 497     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 498     QCOMPARE(m_model->count(), 5);  // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 499     QVERIFY(m_model->isExpanded(0));
 500     QVERIFY(m_model->isExpanded(1));
 501     QVERIFY(!m_model->isExpanded(2));
 502     QVERIFY(m_model->isExpanded(3));
 503     QVERIFY(!m_model->isExpanded(4));
 504     QCOMPARE(m_model->expandedDirectories(), allFolders);
 505
 506     // Move to a sub folder, then call restoreExpandedFolders() *before* going back.
 507     // This is how DolphinView restores the expanded folders when navigating in history.
 508     m_model->loadDirectory(KUrl(m_testDir->name() + "a/a/"));
 509     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 510     QCOMPARE(m_model->count(), 1);  // 1 item: "1"
 511     m_model->restoreExpandedDirectories(allFolders);
 512     m_model->loadDirectory(m_testDir->url());
 513     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 514     QCOMPARE(m_model->count(), 5);  // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 515     QCOMPARE(m_model->expandedDirectories(), allFolders);
 516 }
 517
 518 void KFileItemModelTest::testExpandParentItems()
 519 {
 520     // Create a tree structure of folders:
 521     // a 1/
 522     // a 1/b1/
 523     // a 1/b1/c1/
 524     // a2/
 525     // a2/b2/
 526     // a2/b2/c2/
 527     // a2/b2/c2/d2/
 528     QSet<QByteArray> modelRoles = m_model->roles();
 529     modelRoles << "isExpanded" << "isExpandable" << "expandedParentsCount";
 530     m_model->setRoles(modelRoles);
 531
 532     QStringList files;
 533     files << "a 1/b1/c1/file.txt" << "a2/b2/c2/d2/file.txt"; // missing folders are created automatically
 534     m_testDir->createFiles(files);
 535
 536     m_model->loadDirectory(m_testDir->url());
 537     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 538
 539     // So far, the model contains only "a 1/" and "a2/".
 540     QCOMPARE(m_model->count(), 2);
 541     QVERIFY(m_model->expandedDirectories().empty());
 542
 543     // Expand the parents of "a2/b2/c2".
 544     m_model->expandParentDirectories(KUrl(m_testDir->name() + "a2/b2/c2"));
 545     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 546
 547     // The model should now contain "a 1/", "a2/", "a2/b2/", and "a2/b2/c2/".
 548     // It's important that only the parents of "a1/b1/c1" are expanded.
 549     QCOMPARE(m_model->count(), 4);
 550     QVERIFY(!m_model->isExpanded(0));
 551     QVERIFY(m_model->isExpanded(1));
 552     QVERIFY(m_model->isExpanded(2));
 553     QVERIFY(!m_model->isExpanded(3));
 554
 555     // Expand the parents of "a 1/b1".
 556     m_model->expandParentDirectories(KUrl(m_testDir->name() + "a 1/b1"));
 557     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 558
 559     // The model should now contain "a 1/", "a 1/b1/", "a2/", "a2/b2", and "a2/b2/c2/".
 560     // It's important that only the parents of "a 1/b1/" and "a2/b2/c2/" are expanded.
 561     QCOMPARE(m_model->count(), 5);
 562     QVERIFY(m_model->isExpanded(0));
 563     QVERIFY(!m_model->isExpanded(1));
 564     QVERIFY(m_model->isExpanded(2));
 565     QVERIFY(m_model->isExpanded(3));
 566     QVERIFY(!m_model->isExpanded(4));
 567 }
 568
 569 void KFileItemModelTest::testSorting()
 570 {
 571     // Create some files with different sizes and modification times to check the different sorting options
 572     QDateTime now = QDateTime::currentDateTime();
 573
 574     QSet<QByteArray> roles;
 575     roles.insert("text");
 576     roles.insert("isExpanded");
 577     roles.insert("isExpandable");
 578     roles.insert("expandedParentsCount");
 579     m_model->setRoles(roles);
 580
 581     m_testDir->createDir("c/c-2");
 582     m_testDir->createFile("c/c-2/c-3");
 583     m_testDir->createFile("c/c-1");
 584
 585     m_testDir->createFile("a", "A file", now.addDays(-3));
 586     m_testDir->createFile("b", "A larger file", now.addDays(0));
 587     m_testDir->createDir("c", now.addDays(-2));
 588     m_testDir->createFile("d", "The largest file in this directory", now.addDays(-1));
 589     m_testDir->createFile("e", "An even larger file", now.addDays(-4));
 590     m_testDir->createFile(".f");
 591
 592     m_model->loadDirectory(m_testDir->url());
 593     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 594
 595     int index = m_model->index(KUrl(m_testDir->url().url() + 'c'));
 596     m_model->setExpanded(index, true);
 597     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 598
 599     index = m_model->index(KUrl(m_testDir->url().url() + "c/c-2"));
 600     m_model->setExpanded(index, true);
 601     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 602
 603     // Default: Sort by Name, ascending
 604     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 605     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 606     QVERIFY(m_model->sortDirectoriesFirst());
 607     QVERIFY(!m_model->showHiddenFiles());
 608     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "a" << "b" << "d" << "e");
 609
 610     QSignalSpy spyItemsMoved(m_model, SIGNAL(itemsMoved(KItemRange,QList<int>)));
 611
 612     // Sort by Name, ascending, 'Sort Folders First' disabled
 613     m_model->setSortDirectoriesFirst(false);
 614     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 615     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 616     QCOMPARE(itemsInModel(), QStringList() << "a" << "b" << "c" << "c-1" << "c-2" << "c-3" << "d" << "e");
 617     QCOMPARE(spyItemsMoved.count(), 1);
 618     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1 << 6 << 7);
 619
 620     // Sort by Name, descending
 621     m_model->setSortDirectoriesFirst(true);
 622     m_model->setSortOrder(Qt::DescendingOrder);
 623     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 624     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
 625     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "e" << "d" << "b" << "a");
 626     QCOMPARE(spyItemsMoved.count(), 2);
 627     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 4 << 5 << 0 << 3 << 1 << 2 << 6 << 7);
 628     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 1 << 2 << 3 << 7 << 6 << 5 << 4);
 629
 630     // Sort by Date, descending
 631     m_model->setSortDirectoriesFirst(true);
 632     m_model->setSortRole("date");
 633     QCOMPARE(m_model->sortRole(), QByteArray("date"));
 634     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
 635     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "b" << "d" << "a" << "e");
 636     QCOMPARE(spyItemsMoved.count(), 1);
 637     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 1 << 2 << 3 << 7 << 5 << 4 << 6);
 638
 639     // Sort by Date, ascending
 640     m_model->setSortOrder(Qt::AscendingOrder);
 641     QCOMPARE(m_model->sortRole(), QByteArray("date"));
 642     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 643     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "e" << "a" << "d" << "b");
 644     QCOMPARE(spyItemsMoved.count(), 1);
 645     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 1 << 2 << 3 << 7 << 6 << 5 << 4);
 646
 647     // Sort by Date, ascending, 'Sort Folders First' disabled
 648     m_model->setSortDirectoriesFirst(false);
 649     QCOMPARE(m_model->sortRole(), QByteArray("date"));
 650     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 651     QVERIFY(!m_model->sortDirectoriesFirst());
 652     QCOMPARE(itemsInModel(), QStringList() << "e" << "a" << "c" << "c-1" << "c-2" << "c-3" << "d" << "b");
 653     QCOMPARE(spyItemsMoved.count(), 1);
 654     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1 << 6 << 7);
 655
 656     // Sort by Name, ascending, 'Sort Folders First' disabled
 657     m_model->setSortRole("text");
 658     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 659     QVERIFY(!m_model->sortDirectoriesFirst());
 660     QCOMPARE(itemsInModel(), QStringList() << "a" << "b" << "c" << "c-1" << "c-2" << "c-3" << "d" << "e");
 661     QCOMPARE(spyItemsMoved.count(), 1);
 662     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 7 << 0 << 2 << 3 << 4 << 5 << 6 << 1);
 663
 664     // Sort by Size, ascending, 'Sort Folders First' disabled
 665     m_model->setSortRole("size");
 666     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 667     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 668     QVERIFY(!m_model->sortDirectoriesFirst());
 669     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "a" << "b" << "e" << "d");
 670     QCOMPARE(spyItemsMoved.count(), 1);
 671     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 4 << 5 << 0 << 3 << 1 << 2 << 7 << 6);
 672
 673     QSKIP("2 tests of testSorting() are temporary deactivated as in KFileItemModel resortAllItems() "
 674           "always emits a itemsMoved() signal. Before adjusting the tests think about probably introducing "
 675           "another signal", SkipSingle);
 676     // Internal note: Check comment in KFileItemModel::resortAllItems() for details.
 677
 678     // In 'Sort by Size' mode, folders are always first -> changing 'Sort Folders First' does not resort the model
 679     m_model->setSortDirectoriesFirst(true);
 680     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 681     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 682     QVERIFY(m_model->sortDirectoriesFirst());
 683     QCOMPARE(itemsInModel(), QStringList() << "c" << "a" << "b" << "e" << "d");
 684     QCOMPARE(spyItemsMoved.count(), 0);
 685
 686     // Sort by Size, descending, 'Sort Folders First' enabled
 687     m_model->setSortOrder(Qt::DescendingOrder);
 688     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 689     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
 690     QVERIFY(m_model->sortDirectoriesFirst());
 691     QCOMPARE(itemsInModel(), QStringList() << "c" << "d" << "e" << "b" << "a");
 692     QCOMPARE(spyItemsMoved.count(), 1);
 693     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 4 << 3 << 2 << 1);
 694
 695     // TODO: Sort by other roles; show/hide hidden files
 696 }
 697
 698 void KFileItemModelTest::testIndexForKeyboardSearch()
 699 {
 700     QStringList files;
 701     files << "a" << "aa" << "Image.jpg" << "Image.png" << "Text" << "Text1" << "Text2" << "Text11";
 702     m_testDir->createFiles(files);
 703
 704     m_model->loadDirectory(m_testDir->url());
 705     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 706
 707     // Search from index 0
 708     QCOMPARE(m_model->indexForKeyboardSearch("a", 0), 0);
 709     QCOMPARE(m_model->indexForKeyboardSearch("aa", 0), 1);
 710     QCOMPARE(m_model->indexForKeyboardSearch("i", 0), 2);
 711     QCOMPARE(m_model->indexForKeyboardSearch("image", 0), 2);
 712     QCOMPARE(m_model->indexForKeyboardSearch("image.jpg", 0), 2);
 713     QCOMPARE(m_model->indexForKeyboardSearch("image.png", 0), 3);
 714     QCOMPARE(m_model->indexForKeyboardSearch("t", 0), 4);
 715     QCOMPARE(m_model->indexForKeyboardSearch("text", 0), 4);
 716     QCOMPARE(m_model->indexForKeyboardSearch("text1", 0), 5);
 717     QCOMPARE(m_model->indexForKeyboardSearch("text2", 0), 6);
 718     QCOMPARE(m_model->indexForKeyboardSearch("text11", 0), 7);
 719
 720     // Start a search somewhere in the middle
 721     QCOMPARE(m_model->indexForKeyboardSearch("a", 1), 1);
 722     QCOMPARE(m_model->indexForKeyboardSearch("i", 3), 3);
 723     QCOMPARE(m_model->indexForKeyboardSearch("t", 5), 5);
 724     QCOMPARE(m_model->indexForKeyboardSearch("text1", 6), 7);
 725
 726     // Test searches that go past the last item back to index 0
 727     QCOMPARE(m_model->indexForKeyboardSearch("a", 2), 0);
 728     QCOMPARE(m_model->indexForKeyboardSearch("i", 7), 2);
 729     QCOMPARE(m_model->indexForKeyboardSearch("image.jpg", 3), 2);
 730     QCOMPARE(m_model->indexForKeyboardSearch("text2", 7), 6);
 731
 732     // Test searches that yield no result
 733     QCOMPARE(m_model->indexForKeyboardSearch("aaa", 0), -1);
 734     QCOMPARE(m_model->indexForKeyboardSearch("b", 0), -1);
 735     QCOMPARE(m_model->indexForKeyboardSearch("image.svg", 0), -1);
 736     QCOMPARE(m_model->indexForKeyboardSearch("text3", 0), -1);
 737     QCOMPARE(m_model->indexForKeyboardSearch("text3", 5), -1);
 738
 739     // Test upper case searches (note that search is case insensitive)
 740     QCOMPARE(m_model->indexForKeyboardSearch("A", 0), 0);
 741     QCOMPARE(m_model->indexForKeyboardSearch("aA", 0), 1);
 742     QCOMPARE(m_model->indexForKeyboardSearch("TexT", 5), 5);
 743     QCOMPARE(m_model->indexForKeyboardSearch("IMAGE", 4), 2);
 744
 745     // TODO: Maybe we should also test keyboard searches in directories which are not sorted by Name?
 746 }
 747
 748 void KFileItemModelTest::testNameFilter()
 749 {
 750     QStringList files;
 751     files << "A1" << "A2" << "Abc" << "Bcd" << "Cde";
 752     m_testDir->createFiles(files);
 753
 754     m_model->loadDirectory(m_testDir->url());
 755     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 756
 757     m_model->setNameFilter("A"); // Shows A1, A2 and Abc
 758     QCOMPARE(m_model->count(), 3);
 759
 760     m_model->setNameFilter("A2"); // Shows only A2
 761     QCOMPARE(m_model->count(), 1);
 762
 763     m_model->setNameFilter("A2"); // Shows only A1
 764     QCOMPARE(m_model->count(), 1);
 765
 766     m_model->setNameFilter("Bc"); // Shows "Abc" and "Bcd"
 767     QCOMPARE(m_model->count(), 2);
 768
 769     m_model->setNameFilter("bC"); // Shows "Abc" and "Bcd"
 770     QCOMPARE(m_model->count(), 2);
 771
 772     m_model->setNameFilter(QString()); // Shows again all items
 773     QCOMPARE(m_model->count(), 5);
 774 }
 775
 776 /**
 777  * Verifies that we do not crash when adding a KFileItem with an empty path.
 778  * Before this issue was fixed, KFileItemModel::expandedParentsCountCompare()
 779  * tried to always read the first character of the path, even if the path is empty.
 780  */
 781 void KFileItemModelTest::testEmptyPath()
 782 {
 783     QSet<QByteArray> roles;
 784     roles.insert("text");
 785     roles.insert("isExpanded");
 786     roles.insert("isExpandable");
 787     roles.insert("expandedParentsCount");
 788     m_model->setRoles(roles);
 789
 790     const KUrl emptyUrl;
 791     QVERIFY(emptyUrl.path().isEmpty());
 792
 793     const KUrl url("file:///test/");
 794
 795     KFileItemList items;
 796     items << KFileItem(emptyUrl, QString(), KFileItem::Unknown) << KFileItem(url, QString(), KFileItem::Unknown);
 797     m_model->slotNewItems(items);
 798     m_model->slotCompleted();
 799 }
 800
 801 bool KFileItemModelTest::isModelConsistent() const
 802 {
 803     if (m_model->m_items.count() != m_model->m_itemData.count()) {
 804         return false;
 805     }
 806
 807     for (int i = 0; i < m_model->count(); ++i) {
 808         const KFileItem item = m_model->fileItem(i);
 809         if (item.isNull()) {
 810             qWarning() << "Item" << i << "is null";
 811             return false;
 812         }
 813
 814         const int itemIndex = m_model->index(item);
 815         if (itemIndex != i) {
 816             qWarning() << "Item" << i << "has a wrong index:" << itemIndex;
 817             return false;
 818         }
 819     }
 820
 821     return true;
 822 }
 823
 824 QStringList KFileItemModelTest::itemsInModel() const
 825 {
 826     QStringList items;
 827     for (int i = 0; i < m_model->count(); i++) {
 828         items << m_model->data(i).value("text").toString();
 829     }
 830     return items;
 831 }
 832
 833 QTEST_KDEMAIN(KFileItemModelTest, NoGUI)
 834
 835 #include "kfileitemmodeltest.moc"