src/tests/kfileitemmodeltest.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2011 Frank Reininghaus <frank78ac@googlemail.com>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include <QMimeData>
   9 #include <QRandomGenerator>
  10 #include <QSignalSpy>
  11 #include <QStandardPaths>
  12 #include <QTest>
  13 #include <QTimer>
  14
  15 #include <KDirLister>
  16 #include <KIO/SimpleJob>
  17
  18 #include "kitemviews/kfileitemmodel.h"
  19 #include "testdir.h"
  20
  21 void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
  22 {
  23     Q_UNUSED(context)
  24
  25     switch (type) {
  26     case QtDebugMsg:
  27         break;
  28     case QtWarningMsg:
  29         break;
  30     case QtCriticalMsg:
  31         fprintf(stderr, "Critical: %s\n", msg.toLocal8Bit().data());
  32         break;
  33     case QtFatalMsg:
  34         fprintf(stderr, "Fatal: %s\n", msg.toLocal8Bit().data());
  35         abort();
  36     default:
  37         break;
  38     }
  39 }
  40
  41 Q_DECLARE_METATYPE(KItemRange)
  42 Q_DECLARE_METATYPE(KItemRangeList)
  43 Q_DECLARE_METATYPE(QList<int>)
  44
  45 class KFileItemModelTest : public QObject
  46 {
  47     Q_OBJECT
  48
  49 private Q_SLOTS:
  50     void init();
  51     void initTestCase();
  52     void cleanup();
  53
  54     void testDefaultRoles();
  55     void testDefaultSortRole();
  56     void testDefaultGroupedSorting();
  57     void testNewItems();
  58     void testRemoveItems();
  59     void testDirLoadingCompleted();
  60     void testSetData();
  61     void testSetDataWithModifiedSortRole_data();
  62     void testSetDataWithModifiedSortRole();
  63     void testChangeSortRole();
  64     void testResortAfterChangingName();
  65     void testModelConsistencyWhenInsertingItems();
  66     void testItemRangeConsistencyWhenInsertingItems();
  67     void testExpandItems();
  68     void testExpandParentItems();
  69     void testMakeExpandedItemHidden();
  70     void testRemoveFilteredExpandedItems();
  71     void testSorting();
  72     void testNaturalSorting();
  73     void testIndexForKeyboardSearch();
  74     void testNameFilter();
  75     void testEmptyPath();
  76     void testRefreshExpandedItem();
  77     void testAddItemToFilteredExpandedFolder();
  78     void testDeleteItemsWithExpandedFolderWithFilter();
  79     void testRefreshItemsWithFilter();
  80     void testRefreshExpandedFolderWithFilter();
  81     void testRemoveHiddenItems();
  82     void collapseParentOfHiddenItems();
  83     void removeParentOfHiddenItems();
  84     void testGeneralParentChildRelationships();
  85     void testNameRoleGroups();
  86     void testNameRoleGroupsWithExpandedItems();
  87     void testInconsistentModel();
  88     void testChangeRolesForFilteredItems();
  89     void testChangeSortRoleWhileFiltering();
  90     void testRefreshFilteredItems();
  91     void testCollapseFolderWhileLoading();
  92     void testCreateMimeData();
  93     void testDeleteFileMoreThanOnce();
  94     void testInsertAfterExpand();
  95     void testCurrentDirRemoved();
  96     void testSizeSortingAfterRefresh();
  97
  98 private:
  99     QStringList itemsInModel() const;
 100
 101 private:
 102     KFileItemModel *m_model;
 103     TestDir *m_testDir;
 104 };
 105
 106 void KFileItemModelTest::initTestCase()
 107 {
 108     QStandardPaths::setTestModeEnabled(true);
 109 }
 110
 111 void KFileItemModelTest::init()
 112 {
 113     // The item-model tests result in a huge number of debugging
 114     // output from kdelibs. Only show critical and fatal messages.
 115     qInstallMessageHandler(myMessageOutput);
 116
 117     qRegisterMetaType<KItemRange>("KItemRange");
 118     qRegisterMetaType<KItemRangeList>("KItemRangeList");
 119     qRegisterMetaType<KFileItemList>("KFileItemList");
 120
 121     m_testDir = new TestDir();
 122     m_model = new KFileItemModel();
 123     m_model->m_dirLister->setAutoUpdate(false);
 124
 125     // Reduce the timer interval to make the test run faster.
 126     m_model->m_resortAllItemsTimer->setInterval(0);
 127 }
 128
 129 void KFileItemModelTest::cleanup()
 130 {
 131     delete m_model;
 132     m_model = nullptr;
 133
 134     delete m_testDir;
 135     m_testDir = nullptr;
 136 }
 137
 138 void KFileItemModelTest::testDefaultRoles()
 139 {
 140     const QSet<QByteArray> roles = m_model->roles();
 141     QCOMPARE(roles.count(), 4);
 142     QVERIFY(roles.contains("text"));
 143     QVERIFY(roles.contains("isDir"));
 144     QVERIFY(roles.contains("isLink"));
 145     QVERIFY(roles.contains("isHidden"));
 146 }
 147
 148 void KFileItemModelTest::testDefaultSortRole()
 149 {
 150     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 151     QVERIFY(itemsInsertedSpy.isValid());
 152
 153     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 154
 155     m_testDir->createFiles({"c.txt", "a.txt", "b.txt"});
 156
 157     m_model->loadDirectory(m_testDir->url());
 158     QVERIFY(itemsInsertedSpy.wait());
 159
 160     QCOMPARE(m_model->count(), 3);
 161     QCOMPARE(m_model->data(0).value("text").toString(), QStringLiteral("a.txt"));
 162     QCOMPARE(m_model->data(1).value("text").toString(), QStringLiteral("b.txt"));
 163     QCOMPARE(m_model->data(2).value("text").toString(), QStringLiteral("c.txt"));
 164 }
 165
 166 void KFileItemModelTest::testDefaultGroupedSorting()
 167 {
 168     QCOMPARE(m_model->groupedSorting(), false);
 169 }
 170
 171 void KFileItemModelTest::testNewItems()
 172 {
 173     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 174
 175     m_testDir->createFiles({"a.txt", "b.txt", "c.txt"});
 176
 177     m_model->loadDirectory(m_testDir->url());
 178     QVERIFY(itemsInsertedSpy.wait());
 179
 180     QCOMPARE(m_model->count(), 3);
 181
 182     QVERIFY(m_model->isConsistent());
 183 }
 184
 185 void KFileItemModelTest::testRemoveItems()
 186 {
 187     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 188     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
 189
 190     m_testDir->createFiles({"a.txt", "b.txt"});
 191     m_model->loadDirectory(m_testDir->url());
 192     QVERIFY(itemsInsertedSpy.wait());
 193     QCOMPARE(m_model->count(), 2);
 194     QVERIFY(m_model->isConsistent());
 195
 196     m_testDir->removeFile("a.txt");
 197     m_model->m_dirLister->updateDirectory(m_testDir->url());
 198     QVERIFY(itemsRemovedSpy.wait());
 199     QCOMPARE(m_model->count(), 1);
 200     QVERIFY(m_model->isConsistent());
 201 }
 202
 203 void KFileItemModelTest::testDirLoadingCompleted()
 204 {
 205     QSignalSpy loadingCompletedSpy(m_model, &KFileItemModel::directoryLoadingCompleted);
 206     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 207     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
 208
 209     m_testDir->createFiles({"a.txt", "b.txt", "c.txt"});
 210
 211     m_model->loadDirectory(m_testDir->url());
 212     QVERIFY(loadingCompletedSpy.wait());
 213     QCOMPARE(loadingCompletedSpy.count(), 1);
 214     QCOMPARE(itemsInsertedSpy.count(), 1);
 215     QCOMPARE(itemsRemovedSpy.count(), 0);
 216     QCOMPARE(m_model->count(), 3);
 217
 218     m_testDir->createFiles({"d.txt", "e.txt"});
 219     m_model->m_dirLister->updateDirectory(m_testDir->url());
 220     QVERIFY(loadingCompletedSpy.wait());
 221     QCOMPARE(loadingCompletedSpy.count(), 2);
 222     QCOMPARE(itemsInsertedSpy.count(), 2);
 223     QCOMPARE(itemsRemovedSpy.count(), 0);
 224     QCOMPARE(m_model->count(), 5);
 225
 226     m_testDir->removeFile("a.txt");
 227     m_testDir->createFile("f.txt");
 228     m_model->m_dirLister->updateDirectory(m_testDir->url());
 229     QVERIFY(loadingCompletedSpy.wait());
 230     QCOMPARE(loadingCompletedSpy.count(), 3);
 231     QCOMPARE(itemsInsertedSpy.count(), 3);
 232     QCOMPARE(itemsRemovedSpy.count(), 1);
 233     QCOMPARE(m_model->count(), 5);
 234
 235     m_testDir->removeFile("b.txt");
 236     m_model->m_dirLister->updateDirectory(m_testDir->url());
 237     QVERIFY(itemsRemovedSpy.wait());
 238     QCOMPARE(loadingCompletedSpy.count(), 4);
 239     QCOMPARE(itemsInsertedSpy.count(), 3);
 240     QCOMPARE(itemsRemovedSpy.count(), 2);
 241     QCOMPARE(m_model->count(), 4);
 242
 243     QVERIFY(m_model->isConsistent());
 244 }
 245
 246 void KFileItemModelTest::testSetData()
 247 {
 248     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 249     QVERIFY(itemsInsertedSpy.isValid());
 250     QSignalSpy itemsChangedSpy(m_model, &KFileItemModel::itemsChanged);
 251     QVERIFY(itemsChangedSpy.isValid());
 252
 253     m_testDir->createFile("a.txt");
 254
 255     m_model->loadDirectory(m_testDir->url());
 256     QVERIFY(itemsInsertedSpy.wait());
 257
 258     QHash<QByteArray, QVariant> values;
 259     values.insert("customRole1", "Test1");
 260     values.insert("customRole2", "Test2");
 261
 262     m_model->setData(0, values);
 263     QCOMPARE(itemsChangedSpy.count(), 1);
 264
 265     values = m_model->data(0);
 266     QCOMPARE(values.value("customRole1").toString(), QStringLiteral("Test1"));
 267     QCOMPARE(values.value("customRole2").toString(), QStringLiteral("Test2"));
 268     QVERIFY(m_model->isConsistent());
 269 }
 270
 271 void KFileItemModelTest::testSetDataWithModifiedSortRole_data()
 272 {
 273     QTest::addColumn<int>("changedIndex");
 274     QTest::addColumn<int>("changedRating");
 275     QTest::addColumn<bool>("expectMoveSignal");
 276     QTest::addColumn<int>("ratingIndex0");
 277     QTest::addColumn<int>("ratingIndex1");
 278     QTest::addColumn<int>("ratingIndex2");
 279
 280     // Default setup:
 281     // Index 0 = rating 2
 282     // Index 1 = rating 4
 283     // Index 2 = rating 6
 284
 285     QTest::newRow("Index 0: Rating 3") << 0 << 3 << false << 3 << 4 << 6;
 286     QTest::newRow("Index 0: Rating 5") << 0 << 5 << true << 4 << 5 << 6;
 287     QTest::newRow("Index 0: Rating 8") << 0 << 8 << true << 4 << 6 << 8;
 288
 289     QTest::newRow("Index 2: Rating 1") << 2 << 1 << true << 1 << 2 << 4;
 290     QTest::newRow("Index 2: Rating 3") << 2 << 3 << true << 2 << 3 << 4;
 291     QTest::newRow("Index 2: Rating 5") << 2 << 5 << false << 2 << 4 << 5;
 292 }
 293
 294 void KFileItemModelTest::testSetDataWithModifiedSortRole()
 295 {
 296     QFETCH(int, changedIndex);
 297     QFETCH(int, changedRating);
 298     QFETCH(bool, expectMoveSignal);
 299     QFETCH(int, ratingIndex0);
 300     QFETCH(int, ratingIndex1);
 301     QFETCH(int, ratingIndex2);
 302
 303     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 304     QVERIFY(itemsInsertedSpy.isValid());
 305     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
 306     QVERIFY(itemsMovedSpy.isValid());
 307
 308     // Changing the value of a sort-role must result in
 309     // a reordering of the items.
 310     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 311     m_model->setSortRole("rating");
 312     QCOMPARE(m_model->sortRole(), QByteArray("rating"));
 313
 314     m_testDir->createFiles({"a.txt", "b.txt", "c.txt"});
 315
 316     m_model->loadDirectory(m_testDir->url());
 317     QVERIFY(itemsInsertedSpy.wait());
 318
 319     // Fill the "rating" role of each file:
 320     // a.txt -> 2
 321     // b.txt -> 4
 322     // c.txt -> 6
 323
 324     QHash<QByteArray, QVariant> ratingA;
 325     ratingA.insert("rating", 2);
 326     m_model->setData(0, ratingA);
 327
 328     QHash<QByteArray, QVariant> ratingB;
 329     ratingB.insert("rating", 4);
 330     m_model->setData(1, ratingB);
 331
 332     QHash<QByteArray, QVariant> ratingC;
 333     ratingC.insert("rating", 6);
 334     m_model->setData(2, ratingC);
 335
 336     QCOMPARE(m_model->data(0).value("rating").toInt(), 2);
 337     QCOMPARE(m_model->data(1).value("rating").toInt(), 4);
 338     QCOMPARE(m_model->data(2).value("rating").toInt(), 6);
 339
 340     // Now change the rating from a.txt. This usually results
 341     // in reordering of the items.
 342     QHash<QByteArray, QVariant> rating;
 343     rating.insert("rating", changedRating);
 344     m_model->setData(changedIndex, rating);
 345
 346     if (expectMoveSignal) {
 347         QVERIFY(itemsMovedSpy.wait());
 348     }
 349
 350     QCOMPARE(m_model->data(0).value("rating").toInt(), ratingIndex0);
 351     QCOMPARE(m_model->data(1).value("rating").toInt(), ratingIndex1);
 352     QCOMPARE(m_model->data(2).value("rating").toInt(), ratingIndex2);
 353     QVERIFY(m_model->isConsistent());
 354 }
 355
 356 void KFileItemModelTest::testChangeSortRole()
 357 {
 358     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 359     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
 360     QVERIFY(itemsMovedSpy.isValid());
 361
 362     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 363
 364     m_testDir->createFiles({"a.txt", "b.jpg", "c.txt"});
 365
 366     m_model->loadDirectory(m_testDir->url());
 367     QVERIFY(itemsInsertedSpy.wait());
 368     QCOMPARE(itemsInModel(),
 369              QStringList() << "a.txt"
 370                            << "b.jpg"
 371                            << "c.txt");
 372
 373     // Simulate that KFileItemModelRolesUpdater determines the mime type.
 374     // Resorting the files by 'type' will only work immediately if their
 375     // mime types are known.
 376     for (int index = 0; index < m_model->count(); ++index) {
 377         m_model->fileItem(index).determineMimeType();
 378     }
 379
 380     // Now: sort by type.
 381     m_model->setSortRole("type");
 382     QCOMPARE(m_model->sortRole(), QByteArray("type"));
 383     QVERIFY(!itemsMovedSpy.isEmpty());
 384
 385     // The actual order of the files might depend on the translation of the
 386     // result of KFileItem::mimeComment() in the user's language.
 387     QStringList version1;
 388     version1 << "b.jpg"
 389              << "a.txt"
 390              << "c.txt";
 391
 392     QStringList version2;
 393     version2 << "a.txt"
 394              << "c.txt"
 395              << "b.jpg";
 396
 397     const bool ok1 = (itemsInModel() == version1);
 398     const bool ok2 = (itemsInModel() == version2);
 399
 400     QVERIFY(ok1 || ok2);
 401 }
 402
 403 void KFileItemModelTest::testResortAfterChangingName()
 404 {
 405     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 406     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
 407     QVERIFY(itemsMovedSpy.isValid());
 408
 409     // We sort by size in a directory where all files have the same size.
 410     // Therefore, the files are sorted by their names.
 411     m_model->setSortRole("size");
 412
 413     m_testDir->createFiles({"a.txt", "b.txt", "c.txt"});
 414
 415     m_model->loadDirectory(m_testDir->url());
 416     QVERIFY(itemsInsertedSpy.wait());
 417     QCOMPARE(itemsInModel(),
 418              QStringList() << "a.txt"
 419                            << "b.txt"
 420                            << "c.txt");
 421
 422     // We rename a.txt to d.txt. Even though the size has not changed at all,
 423     // the model must re-sort the items.
 424     QHash<QByteArray, QVariant> data;
 425     data.insert("text", "d.txt");
 426     m_model->setData(0, data);
 427
 428     QVERIFY(itemsMovedSpy.wait());
 429     QCOMPARE(itemsInModel(),
 430              QStringList() << "b.txt"
 431                            << "c.txt"
 432                            << "d.txt");
 433
 434     // We rename d.txt back to a.txt using the dir lister's refreshItems() signal.
 435     const KFileItem fileItemD = m_model->fileItem(2);
 436     KFileItem fileItemA = fileItemD;
 437     QUrl urlA = fileItemA.url().adjusted(QUrl::RemoveFilename);
 438     urlA.setPath(urlA.path() + "a.txt");
 439     fileItemA.setUrl(urlA);
 440
 441     m_model->slotRefreshItems({qMakePair(fileItemD, fileItemA)});
 442
 443     QVERIFY(itemsMovedSpy.wait());
 444     QCOMPARE(itemsInModel(),
 445              QStringList() << "a.txt"
 446                            << "b.txt"
 447                            << "c.txt");
 448 }
 449
 450 void KFileItemModelTest::testModelConsistencyWhenInsertingItems()
 451 {
 452     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 453
 454     // KFileItemModel prevents that inserting a punch of items sequentially
 455     // results in an itemsInserted()-signal for each item. Instead internally
 456     // a timeout is given that collects such operations and results in only
 457     // one itemsInserted()-signal. However in this test we want to stress
 458     // KFileItemModel to do a lot of insert operation and hence decrease
 459     // the timeout to 1 millisecond.
 460     m_testDir->createFile("1");
 461     m_model->loadDirectory(m_testDir->url());
 462     QVERIFY(itemsInsertedSpy.wait());
 463     QCOMPARE(m_model->count(), 1);
 464
 465     // Insert 10 items for 20 times. After each insert operation the model consistency
 466     // is checked.
 467     QSet<int> insertedItems;
 468     for (int i = 0; i < 20; ++i) {
 469         itemsInsertedSpy.clear();
 470
 471         for (int j = 0; j < 10; ++j) {
 472             int itemName = QRandomGenerator::global()->generate();
 473             while (insertedItems.contains(itemName)) {
 474                 itemName = QRandomGenerator::global()->generate();
 475             }
 476             insertedItems.insert(itemName);
 477
 478             m_testDir->createFile(QString::number(itemName));
 479         }
 480
 481         m_model->m_dirLister->updateDirectory(m_testDir->url());
 482         if (itemsInsertedSpy.isEmpty()) {
 483             QVERIFY(itemsInsertedSpy.wait());
 484         }
 485
 486         QVERIFY(m_model->isConsistent());
 487     }
 488
 489     QCOMPARE(m_model->count(), 201);
 490 }
 491
 492 void KFileItemModelTest::testItemRangeConsistencyWhenInsertingItems()
 493 {
 494     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 495
 496     m_testDir->createFiles({"B", "E", "G"});
 497
 498     // Due to inserting the 3 items one item-range with index == 0 and
 499     // count == 3 must be given
 500     m_model->loadDirectory(m_testDir->url());
 501     QVERIFY(itemsInsertedSpy.wait());
 502
 503     QCOMPARE(itemsInsertedSpy.count(), 1);
 504     QList<QVariant> arguments = itemsInsertedSpy.takeFirst();
 505     KItemRangeList itemRangeList = arguments.at(0).value<KItemRangeList>();
 506     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 3));
 507
 508     // The indexes of the item-ranges must always be related to the model before
 509     // the items have been inserted. Having:
 510     //   0 1 2
 511     //   B E G
 512     // and inserting A, C, D, F the resulting model will be:
 513     //   0 1 2 3 4 5 6
 514     //   A B C D E F G
 515     // and the item-ranges must be:
 516     //   index: 0, count: 1 for A
 517     //   index: 1, count: 2 for B, C
 518     //   index: 2, count: 1 for G
 519
 520     m_testDir->createFiles({"A", "C", "D", "F"});
 521
 522     m_model->m_dirLister->updateDirectory(m_testDir->url());
 523     QVERIFY(itemsInsertedSpy.wait());
 524
 525     QCOMPARE(itemsInsertedSpy.count(), 1);
 526     arguments = itemsInsertedSpy.takeFirst();
 527     itemRangeList = arguments.at(0).value<KItemRangeList>();
 528     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 1) << KItemRange(1, 2) << KItemRange(2, 1));
 529 }
 530
 531 void KFileItemModelTest::testExpandItems()
 532 {
 533     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 534     QVERIFY(itemsInsertedSpy.isValid());
 535     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
 536     QVERIFY(itemsRemovedSpy.isValid());
 537     QSignalSpy loadingCompletedSpy(m_model, &KFileItemModel::directoryLoadingCompleted);
 538     QVERIFY(loadingCompletedSpy.isValid());
 539
 540     // Test expanding subfolders in a folder with the items "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1".
 541     // Besides testing the basic item expansion functionality, the test makes sure that
 542     // KFileItemModel::expansionLevelsCompare(const KFileItem& a, const KFileItem& b)
 543     // yields the correct result for "a/a/1" and "a/a-1/", which is non-trivial because they share the
 544     // first three characters.
 545     QSet<QByteArray> originalModelRoles = m_model->roles();
 546     QSet<QByteArray> modelRoles = originalModelRoles;
 547     modelRoles << "isExpanded"
 548                << "isExpandable"
 549                << "expandedParentsCount";
 550     m_model->setRoles(modelRoles);
 551
 552     m_testDir->createFiles({"a/a/1", "a/a-1/1"});
 553
 554     // Store the URLs of all folders in a set.
 555     QSet<QUrl> allFolders;
 556     allFolders << QUrl::fromLocalFile(m_testDir->path() + "/a") << QUrl::fromLocalFile(m_testDir->path() + "/a/a")
 557                << QUrl::fromLocalFile(m_testDir->path() + "/a/a-1");
 558
 559     m_model->loadDirectory(m_testDir->url());
 560     QVERIFY(itemsInsertedSpy.wait());
 561
 562     // So far, the model contains only "a/"
 563     QCOMPARE(m_model->count(), 1);
 564     QVERIFY(m_model->isExpandable(0));
 565     QVERIFY(!m_model->isExpanded(0));
 566     QVERIFY(m_model->expandedDirectories().empty());
 567
 568     QCOMPARE(itemsInsertedSpy.count(), 1);
 569     KItemRangeList itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
 570     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 1)); // 1 new item "a/" with index 0
 571
 572     // Expand the folder "a/" -> "a/a/" and "a/a-1/" become visible
 573     m_model->setExpanded(0, true);
 574     QVERIFY(m_model->isExpanded(0));
 575     QVERIFY(itemsInsertedSpy.wait());
 576     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/a/", "a/a-1/"
 577     QCOMPARE(m_model->expandedDirectories(), QSet<QUrl>() << QUrl::fromLocalFile(m_testDir->path() + "/a"));
 578
 579     QCOMPARE(itemsInsertedSpy.count(), 1);
 580     itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
 581     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 2)); // 2 new items "a/a/" and "a/a-1/" with indices 1 and 2
 582
 583     QVERIFY(m_model->isExpandable(1));
 584     QVERIFY(!m_model->isExpanded(1));
 585     QVERIFY(m_model->isExpandable(2));
 586     QVERIFY(!m_model->isExpanded(2));
 587
 588     // Expand the folder "a/a/" -> "a/a/1" becomes visible
 589     m_model->setExpanded(1, true);
 590     QVERIFY(m_model->isExpanded(1));
 591     QVERIFY(itemsInsertedSpy.wait());
 592     QCOMPARE(m_model->count(), 4); // 4 items: "a/", "a/a/", "a/a/1", "a/a-1/"
 593     QCOMPARE(m_model->expandedDirectories(), QSet<QUrl>() << QUrl::fromLocalFile(m_testDir->path() + "/a") << QUrl::fromLocalFile(m_testDir->path() + "/a/a"));
 594
 595     QCOMPARE(itemsInsertedSpy.count(), 1);
 596     itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
 597     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(2, 1)); // 1 new item "a/a/1" with index 2
 598
 599     QVERIFY(!m_model->isExpandable(2));
 600     QVERIFY(!m_model->isExpanded(2));
 601
 602     // Expand the folder "a/a-1/" -> "a/a-1/1" becomes visible
 603     m_model->setExpanded(3, true);
 604     QVERIFY(m_model->isExpanded(3));
 605     QVERIFY(itemsInsertedSpy.wait());
 606     QCOMPARE(m_model->count(), 5); // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 607     QCOMPARE(m_model->expandedDirectories(), allFolders);
 608
 609     QCOMPARE(itemsInsertedSpy.count(), 1);
 610     itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
 611     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(4, 1)); // 1 new item "a/a-1/1" with index 4
 612
 613     QVERIFY(!m_model->isExpandable(4));
 614     QVERIFY(!m_model->isExpanded(4));
 615
 616     // Collapse the top-level folder -> all other items should disappear
 617     m_model->setExpanded(0, false);
 618     QVERIFY(!m_model->isExpanded(0));
 619     QCOMPARE(m_model->count(), 1);
 620     QVERIFY(!m_model->expandedDirectories().contains(QUrl::fromLocalFile(m_testDir->path() + "/a"))); // TODO: Make sure that child URLs are also removed
 621
 622     QCOMPARE(itemsRemovedSpy.count(), 1);
 623     itemRangeList = itemsRemovedSpy.takeFirst().at(0).value<KItemRangeList>();
 624     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 4)); // 4 items removed
 625     QVERIFY(m_model->isConsistent());
 626
 627     // Clear the model, reload the folder and try to restore the expanded folders.
 628     m_model->clear();
 629     QCOMPARE(m_model->count(), 0);
 630     QVERIFY(m_model->expandedDirectories().empty());
 631
 632     m_model->loadDirectory(m_testDir->url());
 633     m_model->restoreExpandedDirectories(allFolders);
 634     QVERIFY(loadingCompletedSpy.wait());
 635     QCOMPARE(m_model->count(), 5); // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 636     QVERIFY(m_model->isExpanded(0));
 637     QVERIFY(m_model->isExpanded(1));
 638     QVERIFY(!m_model->isExpanded(2));
 639     QVERIFY(m_model->isExpanded(3));
 640     QVERIFY(!m_model->isExpanded(4));
 641     QCOMPARE(m_model->expandedDirectories(), allFolders);
 642     QVERIFY(m_model->isConsistent());
 643
 644     // Move to a sub folder, then call restoreExpandedFolders() *before* going back.
 645     // This is how DolphinView restores the expanded folders when navigating in history.
 646     m_model->loadDirectory(QUrl::fromLocalFile(m_testDir->path() + "/a/a/"));
 647     QVERIFY(loadingCompletedSpy.wait());
 648     QCOMPARE(m_model->count(), 1); // 1 item: "1"
 649     m_model->restoreExpandedDirectories(allFolders);
 650     m_model->loadDirectory(m_testDir->url());
 651     QVERIFY(loadingCompletedSpy.wait());
 652     QCOMPARE(m_model->count(), 5); // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 653     QCOMPARE(m_model->expandedDirectories(), allFolders);
 654
 655     // Remove all expanded items by changing the roles
 656     itemsRemovedSpy.clear();
 657     m_model->setRoles(originalModelRoles);
 658     QVERIFY(!m_model->isExpanded(0));
 659     QCOMPARE(m_model->count(), 1);
 660     QVERIFY(!m_model->expandedDirectories().contains(QUrl::fromLocalFile(m_testDir->path() + "/a")));
 661
 662     QCOMPARE(itemsRemovedSpy.count(), 1);
 663     itemRangeList = itemsRemovedSpy.takeFirst().at(0).value<KItemRangeList>();
 664     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 4)); // 4 items removed
 665     QVERIFY(m_model->isConsistent());
 666 }
 667
 668 void KFileItemModelTest::testExpandParentItems()
 669 {
 670     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 671     QSignalSpy loadingCompletedSpy(m_model, &KFileItemModel::directoryLoadingCompleted);
 672     QVERIFY(loadingCompletedSpy.isValid());
 673
 674     // Create a tree structure of folders:
 675     // a 1/
 676     // a 1/b1/
 677     // a 1/b1/c1/
 678     // a2/
 679     // a2/b2/
 680     // a2/b2/c2/
 681     // a2/b2/c2/d2/
 682     QSet<QByteArray> modelRoles = m_model->roles();
 683     modelRoles << "isExpanded"
 684                << "isExpandable"
 685                << "expandedParentsCount";
 686     m_model->setRoles(modelRoles);
 687
 688     m_testDir->createFiles({"a 1/b1/c1/file.txt", "a2/b2/c2/d2/file.txt"});
 689
 690     m_model->loadDirectory(m_testDir->url());
 691     QVERIFY(itemsInsertedSpy.wait());
 692
 693     // So far, the model contains only "a 1/" and "a2/".
 694     QCOMPARE(m_model->count(), 2);
 695     QVERIFY(m_model->expandedDirectories().empty());
 696
 697     // Expand the parents of "a2/b2/c2".
 698     m_model->expandParentDirectories(QUrl::fromLocalFile(m_testDir->path() + "a2/b2/c2"));
 699     QVERIFY(loadingCompletedSpy.wait());
 700
 701     // The model should now contain "a 1/", "a2/", "a2/b2/", and "a2/b2/c2/".
 702     // It's important that only the parents of "a1/b1/c1" are expanded.
 703     QCOMPARE(m_model->count(), 4);
 704     QVERIFY(!m_model->isExpanded(0));
 705     QVERIFY(m_model->isExpanded(1));
 706     QVERIFY(m_model->isExpanded(2));
 707     QVERIFY(!m_model->isExpanded(3));
 708
 709     // Expand the parents of "a 1/b1".
 710     m_model->expandParentDirectories(QUrl::fromLocalFile(m_testDir->path() + "a 1/b1"));
 711     QVERIFY(loadingCompletedSpy.wait());
 712
 713     // The model should now contain "a 1/", "a 1/b1/", "a2/", "a2/b2", and "a2/b2/c2/".
 714     // It's important that only the parents of "a 1/b1/" and "a2/b2/c2/" are expanded.
 715     QCOMPARE(m_model->count(), 5);
 716     QVERIFY(m_model->isExpanded(0));
 717     QVERIFY(!m_model->isExpanded(1));
 718     QVERIFY(m_model->isExpanded(2));
 719     QVERIFY(m_model->isExpanded(3));
 720     QVERIFY(!m_model->isExpanded(4));
 721     QVERIFY(m_model->isConsistent());
 722
 723     // Expand "a 1/b1/".
 724     m_model->setExpanded(1, true);
 725     QVERIFY(loadingCompletedSpy.wait());
 726     QCOMPARE(m_model->count(), 6);
 727     QVERIFY(m_model->isExpanded(0));
 728     QVERIFY(m_model->isExpanded(1));
 729     QVERIFY(!m_model->isExpanded(2));
 730     QVERIFY(m_model->isExpanded(3));
 731     QVERIFY(m_model->isExpanded(4));
 732     QVERIFY(!m_model->isExpanded(5));
 733     QVERIFY(m_model->isConsistent());
 734
 735     // Collapse "a 1/b1/" again, and verify that the previous state is restored.
 736     m_model->setExpanded(1, false);
 737     QCOMPARE(m_model->count(), 5);
 738     QVERIFY(m_model->isExpanded(0));
 739     QVERIFY(!m_model->isExpanded(1));
 740     QVERIFY(m_model->isExpanded(2));
 741     QVERIFY(m_model->isExpanded(3));
 742     QVERIFY(!m_model->isExpanded(4));
 743     QVERIFY(m_model->isConsistent());
 744 }
 745
 746 /**
 747  * Renaming an expanded folder by prepending its name with a dot makes it
 748  * hidden. Verify that this does not cause an inconsistent model state and
 749  * a crash later on, see https://bugs.kde.org/show_bug.cgi?id=311947
 750  */
 751 void KFileItemModelTest::testMakeExpandedItemHidden()
 752 {
 753     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 754     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
 755
 756     QSet<QByteArray> modelRoles = m_model->roles();
 757     modelRoles << "isExpanded"
 758                << "isExpandable"
 759                << "expandedParentsCount";
 760     m_model->setRoles(modelRoles);
 761
 762     m_testDir->createFiles({"1a/2a/3a", "1a/2a/3b", "1a/2b", "1b"});
 763
 764     m_model->loadDirectory(m_testDir->url());
 765     QVERIFY(itemsInsertedSpy.wait());
 766
 767     // So far, the model contains only "1a/" and "1b".
 768     QCOMPARE(m_model->count(), 2);
 769     m_model->setExpanded(0, true);
 770     QVERIFY(itemsInsertedSpy.wait());
 771
 772     // Now "1a/2a" and "1a/2b" have appeared.
 773     QCOMPARE(m_model->count(), 4);
 774     m_model->setExpanded(1, true);
 775     QVERIFY(itemsInsertedSpy.wait());
 776     QCOMPARE(m_model->count(), 6);
 777
 778     // Rename "1a/2" and make it hidden.
 779     const QUrl oldUrl = QUrl::fromLocalFile(m_model->fileItem(0).url().path() + "/2a");
 780     const QUrl newUrl = QUrl::fromLocalFile(m_model->fileItem(0).url().path() + "/.2a");
 781
 782     KIO::SimpleJob *job = KIO::rename(oldUrl, newUrl, KIO::HideProgressInfo);
 783     bool ok = job->exec();
 784     QVERIFY(ok);
 785     QVERIFY(itemsRemovedSpy.wait());
 786
 787     // "1a/2" and its subfolders have disappeared now.
 788     QVERIFY(m_model->isConsistent());
 789     QCOMPARE(m_model->count(), 3);
 790
 791     m_model->setExpanded(0, false);
 792     QCOMPARE(m_model->count(), 2);
 793 }
 794
 795 void KFileItemModelTest::testRemoveFilteredExpandedItems()
 796 {
 797     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 798
 799     QSet<QByteArray> originalModelRoles = m_model->roles();
 800     QSet<QByteArray> modelRoles = originalModelRoles;
 801     modelRoles << "isExpanded"
 802                << "isExpandable"
 803                << "expandedParentsCount";
 804     m_model->setRoles(modelRoles);
 805
 806     m_testDir->createFiles({"folder/child", "file"});
 807
 808     m_model->loadDirectory(m_testDir->url());
 809     QVERIFY(itemsInsertedSpy.wait());
 810
 811     // So far, the model contains only "folder/" and "file".
 812     QCOMPARE(m_model->count(), 2);
 813     QVERIFY(m_model->isExpandable(0));
 814     QVERIFY(!m_model->isExpandable(1));
 815     QVERIFY(!m_model->isExpanded(0));
 816     QVERIFY(!m_model->isExpanded(1));
 817     QCOMPARE(itemsInModel(),
 818              QStringList() << "folder"
 819                            << "file");
 820
 821     // Expand "folder" -> "folder/child" becomes visible.
 822     m_model->setExpanded(0, true);
 823     QVERIFY(m_model->isExpanded(0));
 824     QVERIFY(itemsInsertedSpy.wait());
 825     QCOMPARE(itemsInModel(),
 826              QStringList() << "folder"
 827                            << "child"
 828                            << "file");
 829
 830     // Add a name filter.
 831     m_model->setNameFilter("f");
 832     QCOMPARE(itemsInModel(),
 833              QStringList() << "folder"
 834                            << "file");
 835
 836     m_model->setNameFilter("fo");
 837     QCOMPARE(itemsInModel(), QStringList() << "folder");
 838
 839     // Remove all expanded items by changing the roles
 840     m_model->setRoles(originalModelRoles);
 841     QVERIFY(!m_model->isExpanded(0));
 842     QCOMPARE(itemsInModel(), QStringList() << "folder");
 843
 844     // Remove the name filter and verify that "folder/child" does not reappear.
 845     m_model->setNameFilter(QString());
 846     QCOMPARE(itemsInModel(),
 847              QStringList() << "folder"
 848                            << "file");
 849 }
 850
 851 void KFileItemModelTest::testSizeSortingAfterRefresh()
 852 {
 853     // testDir structure is as follows
 854     // ./
 855     // ├─ a
 856     // ├─ b
 857     // ├─ c/
 858     // │  ├─ c-2/
 859     // │  │  ├─ c-3
 860     // │  ├─ c-1
 861     // ├─ d
 862     // ├─ e
 863
 864     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 865     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
 866     QVERIFY(itemsMovedSpy.isValid());
 867
 868     // Create some files with different sizes and modification times to check the different sorting options
 869     QDateTime now = QDateTime::currentDateTime();
 870
 871     QSet<QByteArray> roles;
 872     roles.insert("text");
 873     roles.insert("isExpanded");
 874     roles.insert("isExpandable");
 875     roles.insert("expandedParentsCount");
 876     m_model->setRoles(roles);
 877
 878     m_testDir->createDir("c/c-2");
 879     m_testDir->createFile("c/c-2/c-3");
 880     m_testDir->createFile("c/c-1");
 881
 882     m_testDir->createFile("a", "A file", now.addDays(-3));
 883     m_testDir->createFile("b", "A larger file", now.addDays(0));
 884     m_testDir->createDir("c", now.addDays(-2));
 885     m_testDir->createFile("d", "The largest file in this directory", now.addDays(-1));
 886     m_testDir->createFile("e", "An even larger file", now.addDays(-4));
 887
 888     m_model->loadDirectory(m_testDir->url());
 889     QVERIFY(itemsInsertedSpy.wait());
 890
 891     int index = m_model->index(QUrl(m_testDir->url().url() + "/c"));
 892     m_model->setExpanded(index, true);
 893     QVERIFY(itemsInsertedSpy.wait());
 894
 895     index = m_model->index(QUrl(m_testDir->url().url() + "/c/c-2"));
 896     m_model->setExpanded(index, true);
 897     QVERIFY(itemsInsertedSpy.wait());
 898
 899     // Default: Sort by Name, ascending
 900     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 901     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 902     QCOMPARE(itemsInModel(),
 903              QStringList() << "c"
 904                            << "c-2"
 905                            << "c-3"
 906                            << "c-1"
 907                            << "a"
 908                            << "b"
 909                            << "d"
 910                            << "e");
 911
 912     // Sort by Size, ascending, before refresh
 913     m_model->setSortRole("size");
 914     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 915     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 916     QCOMPARE(itemsInModel(),
 917              QStringList() << "c"
 918                            << "c-2"
 919                            << "c-3"
 920                            << "c-1"
 921                            << "a"
 922                            << "b"
 923                            << "e"
 924                            << "d");
 925
 926     // Refresh directory
 927     m_model->refreshDirectory(m_model->directory());
 928     QVERIFY(itemsInsertedSpy.wait());
 929
 930     // Expand folders again
 931     index = m_model->index(QUrl(m_testDir->url().url() + "/c"));
 932     m_model->setExpanded(index, true);
 933     QVERIFY(itemsInsertedSpy.wait());
 934
 935     index = m_model->index(QUrl(m_testDir->url().url() + "/c/c-2"));
 936     m_model->setExpanded(index, true);
 937     QVERIFY(itemsInsertedSpy.wait());
 938
 939     // Sort by Size, ascending, after refresh
 940     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 941     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 942     QCOMPARE(itemsInModel(),
 943              QStringList() << "c"
 944                            << "c-2"
 945                            << "c-3"
 946                            << "c-1"
 947                            << "a"
 948                            << "b"
 949                            << "e"
 950                            << "d");
 951 }
 952
 953 void KFileItemModelTest::testSorting()
 954 {
 955     // testDir structure is as follows
 956     // ./
 957     // ├─ .g/
 958     // ├─ a
 959     // ├─ b
 960     // ├─ c/
 961     // │  ├─ c-2/
 962     // │  │  ├─ c-3
 963     // │  ├─ c-1
 964     // ├─ .f
 965     // ├─ d
 966     // ├─ e
 967
 968     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
 969     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
 970     QVERIFY(itemsMovedSpy.isValid());
 971
 972     // Create some files with different sizes and modification times to check the different sorting options
 973     QDateTime now = QDateTime::currentDateTime();
 974
 975     QSet<QByteArray> roles;
 976     roles.insert("text");
 977     roles.insert("isExpanded");
 978     roles.insert("isExpandable");
 979     roles.insert("expandedParentsCount");
 980     m_model->setRoles(roles);
 981
 982     m_testDir->createDir("c/c-2");
 983     m_testDir->createFile("c/c-2/c-3");
 984     m_testDir->createFile("c/c-1");
 985
 986     m_testDir->createFile("a", "A file", now.addDays(-3));
 987     m_testDir->createFile("b", "A larger file", now.addDays(0));
 988     m_testDir->createDir("c", now.addDays(-2));
 989     m_testDir->createFile("d", "The largest file in this directory", now.addDays(-1));
 990     m_testDir->createFile("e", "An even larger file", now.addDays(-4));
 991     m_testDir->createFile(".f");
 992     m_testDir->createDir(".g");
 993
 994     m_model->loadDirectory(m_testDir->url());
 995     QVERIFY(itemsInsertedSpy.wait());
 996     QCOMPARE(itemsInsertedSpy.count(), 1);
 997     KItemRangeList itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
 998     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 5));
 999
1000     int index = m_model->index(QUrl(m_testDir->url().url() + "/c"));
1001     m_model->setExpanded(index, true);
1002     QVERIFY(itemsInsertedSpy.wait());
1003     QCOMPARE(itemsInsertedSpy.count(), 1);
1004     itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
1005     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 2));
1006
1007     index = m_model->index(QUrl(m_testDir->url().url() + "/c/c-2"));
1008     m_model->setExpanded(index, true);
1009     QVERIFY(itemsInsertedSpy.wait());
1010     QCOMPARE(itemsInsertedSpy.count(), 1);
1011     itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
1012     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(2, 1));
1013
1014     // Default: Sort by Name, ascending
1015     QCOMPARE(m_model->sortRole(), QByteArray("text"));
1016     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1017     QVERIFY(m_model->sortDirectoriesFirst());
1018     QVERIFY(!m_model->showHiddenFiles());
1019     QCOMPARE(itemsInModel(),
1020              QStringList() << "c"
1021                            << "c-2"
1022                            << "c-3"
1023                            << "c-1"
1024                            << "a"
1025                            << "b"
1026                            << "d"
1027                            << "e");
1028
1029     // Sort by Name, ascending, 'Sort Folders First' disabled
1030     m_model->setSortDirectoriesFirst(false);
1031     QCOMPARE(m_model->sortRole(), QByteArray("text"));
1032     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1033     QCOMPARE(itemsInModel(),
1034              QStringList() << "a"
1035                            << "b"
1036                            << "c"
1037                            << "c-1"
1038                            << "c-2"
1039                            << "c-3"
1040                            << "d"
1041                            << "e");
1042     QCOMPARE(itemsMovedSpy.count(), 1);
1043     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(0, 6));
1044     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1);
1045
1046     // Sort by Name, descending
1047     m_model->setSortDirectoriesFirst(true);
1048     m_model->setSortOrder(Qt::DescendingOrder);
1049     QCOMPARE(m_model->sortRole(), QByteArray("text"));
1050     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
1051     QCOMPARE(itemsInModel(),
1052              QStringList() << "c"
1053                            << "c-2"
1054                            << "c-3"
1055                            << "c-1"
1056                            << "e"
1057                            << "d"
1058                            << "b"
1059                            << "a");
1060     QCOMPARE(itemsMovedSpy.count(), 2);
1061     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(0, 6));
1062     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 4 << 5 << 0 << 3 << 1 << 2);
1063     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 4));
1064     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 7 << 6 << 5 << 4);
1065
1066     // Sort by Date, descending
1067     m_model->setSortDirectoriesFirst(true);
1068     m_model->setSortRole("modificationtime");
1069     QCOMPARE(m_model->sortRole(), QByteArray("modificationtime"));
1070     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
1071     QCOMPARE(itemsInModel(),
1072              QStringList() << "c"
1073                            << "c-2"
1074                            << "c-3"
1075                            << "c-1"
1076                            << "b"
1077                            << "d"
1078                            << "a"
1079                            << "e");
1080     QCOMPARE(itemsMovedSpy.count(), 1);
1081     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 4));
1082     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 7 << 5 << 4 << 6);
1083
1084     // Sort by Date, ascending
1085     m_model->setSortOrder(Qt::AscendingOrder);
1086     QCOMPARE(m_model->sortRole(), QByteArray("modificationtime"));
1087     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1088     QCOMPARE(itemsInModel(),
1089              QStringList() << "c"
1090                            << "c-2"
1091                            << "c-3"
1092                            << "c-1"
1093                            << "e"
1094                            << "a"
1095                            << "d"
1096                            << "b");
1097     QCOMPARE(itemsMovedSpy.count(), 1);
1098     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 4));
1099     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 7 << 6 << 5 << 4);
1100
1101     // Sort by Date, ascending, 'Sort Folders First' disabled
1102     m_model->setSortDirectoriesFirst(false);
1103     QCOMPARE(m_model->sortRole(), QByteArray("modificationtime"));
1104     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1105     QVERIFY(!m_model->sortDirectoriesFirst());
1106     QCOMPARE(itemsInModel(),
1107              QStringList() << "e"
1108                            << "a"
1109                            << "c"
1110                            << "c-1"
1111                            << "c-2"
1112                            << "c-3"
1113                            << "d"
1114                            << "b");
1115     QCOMPARE(itemsMovedSpy.count(), 1);
1116     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(0, 6));
1117     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1);
1118
1119     // Sort by Name, ascending, 'Sort Folders First' disabled
1120     m_model->setSortRole("text");
1121     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1122     QVERIFY(!m_model->sortDirectoriesFirst());
1123     QCOMPARE(itemsInModel(),
1124              QStringList() << "a"
1125                            << "b"
1126                            << "c"
1127                            << "c-1"
1128                            << "c-2"
1129                            << "c-3"
1130                            << "d"
1131                            << "e");
1132     QCOMPARE(itemsMovedSpy.count(), 1);
1133     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(0, 8));
1134     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 7 << 0 << 2 << 3 << 4 << 5 << 6 << 1);
1135
1136     // Sort by Size, ascending, 'Sort Folders First' disabled
1137     m_model->setSortRole("size");
1138     QCOMPARE(m_model->sortRole(), QByteArray("size"));
1139     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1140     QVERIFY(!m_model->sortDirectoriesFirst());
1141     QCOMPARE(itemsInModel(),
1142              QStringList() << "c"
1143                            << "c-2"
1144                            << "c-3"
1145                            << "c-1"
1146                            << "a"
1147                            << "b"
1148                            << "e"
1149                            << "d");
1150     QCOMPARE(itemsMovedSpy.count(), 1);
1151     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(0, 8));
1152     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 4 << 5 << 0 << 3 << 1 << 2 << 7 << 6);
1153
1154     // In 'Sort by Size' mode, folders are always first -> changing 'Sort Folders First' does not resort the model
1155     m_model->setSortDirectoriesFirst(true);
1156     QCOMPARE(m_model->sortRole(), QByteArray("size"));
1157     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1158     QVERIFY(m_model->sortDirectoriesFirst());
1159     QCOMPARE(itemsInModel(),
1160              QStringList() << "c"
1161                            << "c-2"
1162                            << "c-3"
1163                            << "c-1"
1164                            << "a"
1165                            << "b"
1166                            << "e"
1167                            << "d");
1168     QCOMPARE(itemsMovedSpy.count(), 0);
1169
1170     // Sort by Size, descending, 'Sort Folders First' enabled
1171     m_model->setSortOrder(Qt::DescendingOrder);
1172     QCOMPARE(m_model->sortRole(), QByteArray("size"));
1173     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
1174     QVERIFY(m_model->sortDirectoriesFirst());
1175     QCOMPARE(itemsInModel(),
1176              QStringList() << "c"
1177                            << "c-2"
1178                            << "c-3"
1179                            << "c-1"
1180                            << "d"
1181                            << "e"
1182                            << "b"
1183                            << "a");
1184     QCOMPARE(itemsMovedSpy.count(), 1);
1185     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 4));
1186     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 7 << 6 << 5 << 4);
1187
1188     // 'Show Hidden Files' enabled
1189     m_model->setShowHiddenFiles(true);
1190     QVERIFY(m_model->showHiddenFiles());
1191     QVERIFY(!m_model->sortHiddenLast());
1192     QCOMPARE(itemsInModel(),
1193              QStringList() << "c"
1194                            << "c-2"
1195                            << "c-3"
1196                            << "c-1"
1197                            << ".g"
1198                            << "d"
1199                            << "e"
1200                            << "b"
1201                            << "a"
1202                            << ".f");
1203     QCOMPARE(itemsMovedSpy.count(), 0);
1204     QCOMPARE(itemsInsertedSpy.count(), 1);
1205     QCOMPARE(itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>(), KItemRangeList() << KItemRange(4, 1) << KItemRange(8, 1));
1206
1207     // 'Sort Hidden Files Last' enabled
1208     m_model->setSortHiddenLast(true);
1209     QVERIFY(m_model->sortHiddenLast());
1210     QCOMPARE(itemsInModel(),
1211              QStringList() << "c"
1212                            << "c-2"
1213                            << "c-3"
1214                            << "c-1"
1215                            << "d"
1216                            << "e"
1217                            << "b"
1218                            << "a"
1219                            << ".g"
1220                            << ".f");
1221     QCOMPARE(itemsMovedSpy.count(), 1);
1222     QCOMPARE(itemsInsertedSpy.count(), 0);
1223     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 5));
1224     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 8 << 4 << 5 << 6 << 7);
1225
1226     // Sort by Name
1227     m_model->setSortRole("text");
1228     QCOMPARE(itemsInModel(),
1229              QStringList() << "c"
1230                            << "c-2"
1231                            << "c-3"
1232                            << "c-1"
1233                            << "e"
1234                            << "d"
1235                            << "b"
1236                            << "a"
1237                            << ".g"
1238                            << ".f");
1239     QCOMPARE(itemsMovedSpy.count(), 1);
1240     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 2));
1241     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 5 << 4);
1242
1243     // Sort ascending
1244     m_model->setSortOrder(Qt::AscendingOrder);
1245     QCOMPARE(itemsInModel(),
1246              QStringList() << "c"
1247                            << "c-2"
1248                            << "c-3"
1249                            << "c-1"
1250                            << "a"
1251                            << "b"
1252                            << "d"
1253                            << "e"
1254                            << ".g"
1255                            << ".f");
1256     QCOMPARE(itemsMovedSpy.count(), 1);
1257     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(4, 4));
1258     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 7 << 6 << 5 << 4);
1259
1260     // 'Sort Folders First' disabled
1261     m_model->setSortDirectoriesFirst(false);
1262     QVERIFY(!m_model->sortDirectoriesFirst());
1263     QCOMPARE(itemsInModel(),
1264              QStringList() << "a"
1265                            << "b"
1266                            << "c"
1267                            << "c-1"
1268                            << "c-2"
1269                            << "c-3"
1270                            << "d"
1271                            << "e"
1272                            << ".f"
1273                            << ".g");
1274     QCOMPARE(itemsMovedSpy.count(), 1);
1275     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(0, 10));
1276     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1 << 6 << 7 << 9 << 8);
1277 }
1278
1279 void KFileItemModelTest::testNaturalSorting()
1280 {
1281     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1282     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
1283     QVERIFY(itemsMovedSpy.isValid());
1284
1285     m_model->setSortRole("text");
1286     m_model->setShowHiddenFiles(true);
1287
1288     m_testDir->createFiles({".a", "a.txt", "b.txt", "a 1.txt", "a 2.txt", "a 10.txt", "a.tar", "b.tar"});
1289
1290     m_model->loadDirectory(m_testDir->url());
1291     QVERIFY(itemsInsertedSpy.wait());
1292
1293     // Sort by Name, ascending, natural sorting enabled
1294     QCOMPARE(m_model->sortRole(), QByteArray("text"));
1295     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
1296     QCOMPARE(itemsInModel(),
1297              QStringList() << ".a"
1298                            << "a.tar"
1299                            << "a.txt"
1300                            << "a 1.txt"
1301                            << "a 2.txt"
1302                            << "a 10.txt"
1303                            << "b.tar"
1304                            << "b.txt");
1305
1306     // Sort by Extension
1307     m_model->setSortRole("extension");
1308     QCOMPARE(m_model->sortRole(), QByteArray("extension"));
1309     QCOMPARE(itemsInModel(),
1310              QStringList() << ".a"
1311                            << "a.tar"
1312                            << "b.tar"
1313                            << "a.txt"
1314                            << "a 1.txt"
1315                            << "a 2.txt"
1316                            << "a 10.txt"
1317                            << "b.txt");
1318     QCOMPARE(itemsMovedSpy.count(), 1);
1319     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(2, 5));
1320     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 3 << 4 << 5 << 6 << 2);
1321
1322     // Disable natural sorting, refresh directory for the change to take effect
1323     m_model->m_naturalSorting = false;
1324     m_model->refreshDirectory(m_model->directory());
1325     QVERIFY(itemsInsertedSpy.wait());
1326
1327     // Sort by Extension, ascending, natural sorting disabled
1328     QCOMPARE(m_model->sortRole(), QByteArray("extension"));
1329     QCOMPARE(itemsInModel(),
1330              QStringList() << ".a"
1331                            << "a.tar"
1332                            << "b.tar"
1333                            << "a 1.txt"
1334                            << "a 10.txt"
1335                            << "a 2.txt"
1336                            << "a.txt"
1337                            << "b.txt");
1338
1339     // Sort by Name
1340     m_model->setSortRole("text");
1341     QCOMPARE(m_model->sortRole(), QByteArray("text"));
1342     QCOMPARE(itemsInModel(),
1343              QStringList() << ".a"
1344                            << "a 1.txt"
1345                            << "a 10.txt"
1346                            << "a 2.txt"
1347                            << "a.tar"
1348                            << "a.txt"
1349                            << "b.tar"
1350                            << "b.txt");
1351     QCOMPARE(itemsMovedSpy.count(), 1);
1352     QCOMPARE(itemsMovedSpy.first().at(0).value<KItemRange>(), KItemRange(1, 6));
1353     QCOMPARE(itemsMovedSpy.takeFirst().at(1).value<QList<int>>(), QList<int>() << 4 << 6 << 1 << 2 << 3 << 5);
1354 }
1355
1356 void KFileItemModelTest::testIndexForKeyboardSearch()
1357 {
1358     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1359
1360     m_testDir->createFiles({"a", "aa", "Image.jpg", "Image.png", "Text", "Text1", "Text2", "Text11", "U", "Ü", "Üu", "Ž"});
1361
1362     m_model->loadDirectory(m_testDir->url());
1363     QVERIFY(itemsInsertedSpy.wait());
1364
1365     // Search from index 0
1366     QCOMPARE(m_model->indexForKeyboardSearch("a", 0), 0);
1367     QCOMPARE(m_model->indexForKeyboardSearch("aa", 0), 1);
1368     QCOMPARE(m_model->indexForKeyboardSearch("i", 0), 2);
1369     QCOMPARE(m_model->indexForKeyboardSearch("image", 0), 2);
1370     QCOMPARE(m_model->indexForKeyboardSearch("image.jpg", 0), 2);
1371     QCOMPARE(m_model->indexForKeyboardSearch("image.png", 0), 3);
1372     QCOMPARE(m_model->indexForKeyboardSearch("t", 0), 4);
1373     QCOMPARE(m_model->indexForKeyboardSearch("text", 0), 4);
1374     QCOMPARE(m_model->indexForKeyboardSearch("text1", 0), 5);
1375     QCOMPARE(m_model->indexForKeyboardSearch("text2", 0), 6);
1376     QCOMPARE(m_model->indexForKeyboardSearch("text11", 0), 7);
1377     QCOMPARE(m_model->indexForKeyboardSearch("u", 0), 8);
1378     QCOMPARE(m_model->indexForKeyboardSearch("üu", 0), 10);
1379     QCOMPARE(m_model->indexForKeyboardSearch("ž", 0), 11);
1380
1381     // Start a search somewhere in the middle
1382     QCOMPARE(m_model->indexForKeyboardSearch("a", 1), 1);
1383     QCOMPARE(m_model->indexForKeyboardSearch("i", 3), 3);
1384     QCOMPARE(m_model->indexForKeyboardSearch("t", 5), 5);
1385     QCOMPARE(m_model->indexForKeyboardSearch("text1", 6), 7);
1386
1387     // Test searches that go past the last item back to index 0
1388     QCOMPARE(m_model->indexForKeyboardSearch("a", 2), 0);
1389     QCOMPARE(m_model->indexForKeyboardSearch("i", 7), 2);
1390     QCOMPARE(m_model->indexForKeyboardSearch("image.jpg", 3), 2);
1391     QCOMPARE(m_model->indexForKeyboardSearch("text2", 7), 6);
1392
1393     // Test searches that yield no result
1394     QCOMPARE(m_model->indexForKeyboardSearch("aaa", 0), -1);
1395     QCOMPARE(m_model->indexForKeyboardSearch("b", 0), -1);
1396     QCOMPARE(m_model->indexForKeyboardSearch("image.svg", 0), -1);
1397     QCOMPARE(m_model->indexForKeyboardSearch("text3", 0), -1);
1398     QCOMPARE(m_model->indexForKeyboardSearch("text3", 5), -1);
1399
1400     // Test upper case searches (note that search is case insensitive)
1401     QCOMPARE(m_model->indexForKeyboardSearch("A", 0), 0);
1402     QCOMPARE(m_model->indexForKeyboardSearch("aA", 0), 1);
1403     QCOMPARE(m_model->indexForKeyboardSearch("TexT", 5), 5);
1404     QCOMPARE(m_model->indexForKeyboardSearch("IMAGE", 4), 2);
1405
1406     // Test searches that match items with marks
1407     QCOMPARE(m_model->indexForKeyboardSearch("u", 9), 9);
1408     QCOMPARE(m_model->indexForKeyboardSearch("u", 10), 10);
1409     QCOMPARE(m_model->indexForKeyboardSearch("uu", 0), 10);
1410     QCOMPARE(m_model->indexForKeyboardSearch("z", 0), 11);
1411
1412     // TODO: Maybe we should also test keyboard searches in directories which are not sorted by Name?
1413 }
1414
1415 void KFileItemModelTest::testNameFilter()
1416 {
1417     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1418
1419     m_testDir->createFiles({"A1", "A2", "Abc", "Bcd", "Cde"});
1420
1421     m_model->loadDirectory(m_testDir->url());
1422     QVERIFY(itemsInsertedSpy.wait());
1423
1424     m_model->setNameFilter("A"); // Shows A1, A2 and Abc
1425     QCOMPARE(m_model->count(), 3);
1426
1427     m_model->setNameFilter("A2"); // Shows only A2
1428     QCOMPARE(m_model->count(), 1);
1429
1430     m_model->setNameFilter("A2"); // Shows only A1
1431     QCOMPARE(m_model->count(), 1);
1432
1433     m_model->setNameFilter("Bc"); // Shows "Abc" and "Bcd"
1434     QCOMPARE(m_model->count(), 2);
1435
1436     m_model->setNameFilter("bC"); // Shows "Abc" and "Bcd"
1437     QCOMPARE(m_model->count(), 2);
1438
1439     m_model->setNameFilter(QString()); // Shows again all items
1440     QCOMPARE(m_model->count(), 5);
1441 }
1442
1443 /**
1444  * Verifies that we do not crash when adding a KFileItem with an empty path.
1445  * Before this issue was fixed, KFileItemModel::expandedParentsCountCompare()
1446  * tried to always read the first character of the path, even if the path is empty.
1447  */
1448 void KFileItemModelTest::testEmptyPath()
1449 {
1450     QSet<QByteArray> roles;
1451     roles.insert("text");
1452     roles.insert("isExpanded");
1453     roles.insert("isExpandable");
1454     roles.insert("expandedParentsCount");
1455     m_model->setRoles(roles);
1456
1457     const QUrl emptyUrl;
1458     QVERIFY(emptyUrl.path().isEmpty());
1459
1460     const QUrl url("file:///test/");
1461
1462     KFileItemList items;
1463     items << KFileItem(emptyUrl, QString(), KFileItem::Unknown) << KFileItem(url, QString(), KFileItem::Unknown);
1464     m_model->slotItemsAdded(emptyUrl, items);
1465     m_model->slotCompleted();
1466 }
1467
1468 /**
1469  * Verifies that the 'isExpanded' state of folders does not change when the
1470  * 'refreshItems' signal is received, see https://bugs.kde.org/show_bug.cgi?id=299675.
1471  */
1472 void KFileItemModelTest::testRefreshExpandedItem()
1473 {
1474     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1475     QSignalSpy itemsChangedSpy(m_model, &KFileItemModel::itemsChanged);
1476     QVERIFY(itemsChangedSpy.isValid());
1477
1478     QSet<QByteArray> modelRoles = m_model->roles();
1479     modelRoles << "isExpanded"
1480                << "isExpandable"
1481                << "expandedParentsCount";
1482     m_model->setRoles(modelRoles);
1483
1484     m_testDir->createFiles({"a/1", "a/2", "3", "4"});
1485
1486     m_model->loadDirectory(m_testDir->url());
1487     QVERIFY(itemsInsertedSpy.wait());
1488     QCOMPARE(m_model->count(), 3); // "a/", "3", "4"
1489
1490     m_model->setExpanded(0, true);
1491     QVERIFY(itemsInsertedSpy.wait());
1492     QCOMPARE(m_model->count(), 5); // "a/", "a/1", "a/2", "3", "4"
1493     QVERIFY(m_model->isExpanded(0));
1494
1495     const KFileItem item = m_model->fileItem(0);
1496     m_model->slotRefreshItems({qMakePair(item, item)});
1497     QVERIFY(!itemsChangedSpy.isEmpty());
1498
1499     QCOMPARE(m_model->count(), 5); // "a/", "a/1", "a/2", "3", "4"
1500     QVERIFY(m_model->isExpanded(0));
1501 }
1502
1503 /**
1504  * Verifies that adding an item to an expanded folder that's filtered makes the parental chain visible.
1505  */
1506 void KFileItemModelTest::testAddItemToFilteredExpandedFolder()
1507 {
1508     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1509     QSignalSpy fileItemsChangedSpy(m_model, &KFileItemModel::fileItemsChanged);
1510
1511     QSet<QByteArray> modelRoles = m_model->roles();
1512     modelRoles << "isExpanded"
1513                << "isExpandable"
1514                << "expandedParentsCount";
1515     m_model->setRoles(modelRoles);
1516
1517     m_testDir->createFile("a/b/file");
1518
1519     m_model->loadDirectory(m_testDir->url());
1520     QVERIFY(itemsInsertedSpy.wait());
1521     QCOMPARE(m_model->count(), 1); // "a
1522
1523     // Expand "a/".
1524     m_model->setExpanded(0, true);
1525     QVERIFY(itemsInsertedSpy.wait());
1526
1527     // Expand "a/b/".
1528     m_model->setExpanded(1, true);
1529     QVERIFY(itemsInsertedSpy.wait());
1530
1531     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/b/file"
1532
1533     const QUrl urlB = m_model->fileItem(1).url();
1534
1535     // Set a filter that matches ".txt" extension
1536     m_model->setNameFilter("*.txt");
1537     QCOMPARE(m_model->count(), 0); // Everything got hidden since we don't have a .txt file yet
1538
1539     m_model->slotItemsAdded(urlB, KFileItemList() << KFileItem(QUrl("a/b/newItem.txt")));
1540     m_model->slotCompleted();
1541
1542     // Entire parental chain should now be shown
1543     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/b/newItem.txt"
1544     QCOMPARE(itemsInModel(),
1545              QStringList() << "a"
1546                            << "b"
1547                            << "newItem.txt");
1548
1549     // Items should be indented in hierarchy
1550     QCOMPARE(m_model->expandedParentsCount(0), 0);
1551     QCOMPARE(m_model->expandedParentsCount(1), 1);
1552     QCOMPARE(m_model->expandedParentsCount(2), 2);
1553 }
1554
1555 /**
1556  * Verifies that deleting the last filter-passing child from expanded folders
1557  * makes the parental chain hidden.
1558  */
1559 void KFileItemModelTest::testDeleteItemsWithExpandedFolderWithFilter()
1560 {
1561     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1562     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1563
1564     QSet<QByteArray> modelRoles = m_model->roles();
1565     modelRoles << "isExpanded"
1566                << "isExpandable"
1567                << "expandedParentsCount";
1568     m_model->setRoles(modelRoles);
1569
1570     m_testDir->createFile("a/b/file");
1571
1572     m_model->loadDirectory(m_testDir->url());
1573     QVERIFY(itemsInsertedSpy.wait());
1574     QCOMPARE(m_model->count(), 1); // "a
1575
1576     // Expand "a/".
1577     m_model->setExpanded(0, true);
1578     QVERIFY(itemsInsertedSpy.wait());
1579
1580     // Expand "a/b/".
1581     m_model->setExpanded(1, true);
1582     QVERIFY(itemsInsertedSpy.wait());
1583
1584     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/b/file"
1585
1586     // Set a filter that matches "file" extension
1587     m_model->setNameFilter("file");
1588     QCOMPARE(m_model->count(), 3); // Everything is still shown
1589
1590     // Delete "file"
1591     QCOMPARE(itemsRemovedSpy.count(), 0);
1592     m_model->slotItemsDeleted(KFileItemList() << m_model->fileItem(2));
1593     QCOMPARE(itemsRemovedSpy.count(), 1);
1594
1595     // Entire parental chain should now be filtered
1596     QCOMPARE(m_model->count(), 0);
1597     QCOMPARE(m_model->m_filteredItems.size(), 2);
1598 }
1599
1600 /**
1601  * Verifies that the fileItemsChanged signal is raised with the correct index after renaming files with filter set.
1602  * The rename operation will cause one item to be filtered out and another item to be reordered.
1603  */
1604 void KFileItemModelTest::testRefreshItemsWithFilter()
1605 {
1606     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1607     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1608     QSignalSpy itemsChangedSpy(m_model, &KFileItemModel::itemsChanged);
1609     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
1610
1611     // Creates three .txt files
1612     m_testDir->createFiles({"b.txt", "c.txt", "d.txt"});
1613
1614     m_model->loadDirectory(m_testDir->url());
1615     QVERIFY(itemsInsertedSpy.wait());
1616
1617     QCOMPARE(m_model->count(), 3); // "b.txt", "c.txt", "d.txt"
1618
1619     // Set a filter that matches ".txt" extension
1620     m_model->setNameFilter("*.txt");
1621     QCOMPARE(m_model->count(), 3); // Still all items are shown
1622     QCOMPARE(itemsInModel(),
1623              QStringList() << "b.txt"
1624                            << "c.txt"
1625                            << "d.txt");
1626
1627     // Objects used to rename
1628     const KFileItem fileItemC_txt = m_model->fileItem(1);
1629     KFileItem fileItemC_cfg = fileItemC_txt;
1630     fileItemC_cfg.setUrl(QUrl("c.cfg"));
1631
1632     const KFileItem fileItemD_txt = m_model->fileItem(2);
1633     KFileItem fileItemA_txt = fileItemD_txt;
1634     fileItemA_txt.setUrl(QUrl("a.txt"));
1635
1636     // Rename "c.txt" to "c.cfg"; and rename "d.txt" to "a.txt"
1637     QCOMPARE(itemsRemovedSpy.count(), 0);
1638     QCOMPARE(itemsChangedSpy.count(), 0);
1639     m_model->slotRefreshItems({qMakePair(fileItemC_txt, fileItemC_cfg), qMakePair(fileItemD_txt, fileItemA_txt)});
1640     QCOMPARE(itemsRemovedSpy.count(), 1);
1641     QCOMPARE(itemsChangedSpy.count(), 1);
1642     QCOMPARE(m_model->count(), 2); // Only "a.txt" and "b.txt". "c.cfg" got filtered out
1643
1644     QList<QVariant> arguments = itemsChangedSpy.takeLast();
1645     KItemRangeList itemRangeList = arguments.at(0).value<KItemRangeList>();
1646
1647     // We started with the order "b.txt", "c.txt", "d.txt"
1648     // "d.txt" started with index "2"
1649     // "c.txt" got renamed and got filtered out
1650     // "d.txt" index shifted from index "2" to "1"
1651     // So we expect index "1" in this argument, meaning "d.txt" was renamed
1652     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 1));
1653
1654     // Re-sorting is done asynchronously:
1655     QCOMPARE(itemsInModel(),
1656              QStringList() << "b.txt"
1657                            << "a.txt"); // Files should still be in the incorrect order
1658     QVERIFY(itemsMovedSpy.wait());
1659     QCOMPARE(itemsInModel(),
1660              QStringList() << "a.txt"
1661                            << "b.txt"); // Files were re-sorted and should now be in the correct order
1662 }
1663
1664 /**
1665  * Verifies that parental chains are hidden and shown as needed while their children get filtered/unfiltered due to renaming.
1666  * Also verifies that the "isExpanded" and "expandedParentsCount" values are kept for expanded folders that get refreshed.
1667  */
1668 void KFileItemModelTest::testRefreshExpandedFolderWithFilter()
1669 {
1670     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1671     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1672
1673     QSet<QByteArray> modelRoles = m_model->roles();
1674     modelRoles << "isExpanded"
1675                << "isExpandable"
1676                << "expandedParentsCount";
1677     m_model->setRoles(modelRoles);
1678
1679     m_testDir->createFile("a/b/someFolder/someFile");
1680
1681     m_model->loadDirectory(m_testDir->url());
1682     QVERIFY(itemsInsertedSpy.wait());
1683
1684     QCOMPARE(m_model->count(), 1); // Only "a/"
1685
1686     // Expand "a/".
1687     m_model->setExpanded(0, true);
1688     QVERIFY(itemsInsertedSpy.wait());
1689
1690     // Expand "a/b/".
1691     m_model->setExpanded(1, true);
1692     QVERIFY(itemsInsertedSpy.wait());
1693
1694     // Expand "a/b/someFolder/".
1695     m_model->setExpanded(2, true);
1696     QVERIFY(itemsInsertedSpy.wait());
1697     QCOMPARE(m_model->count(), 4); // 4 items: "a/", "a/b/", "a/b/someFolder", "a/b/someFolder/someFile"
1698
1699     // Set a filter that matches the expanded folder "someFolder"
1700     m_model->setNameFilter("someFolder");
1701     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/b/someFolder"
1702
1703     // Objects used to rename
1704     const KFileItem fileItemA = m_model->fileItem(0);
1705     KFileItem fileItemARenamed = fileItemA;
1706     fileItemARenamed.setUrl(QUrl("a_renamed"));
1707
1708     const KFileItem fileItemSomeFolder = m_model->fileItem(2);
1709     KFileItem fileItemRenamedFolder = fileItemSomeFolder;
1710     fileItemRenamedFolder.setUrl(QUrl("/a_renamed/b/renamedFolder"));
1711
1712     // Rename "a" to "a_renamed"
1713     // This way we test if the algorithm is sane as to NOT hide "a_renamed" since it will have visible children
1714     m_model->slotRefreshItems({qMakePair(fileItemA, fileItemARenamed)});
1715     QCOMPARE(m_model->count(), 3); // Entire parental chain must still be shown
1716     QCOMPARE(itemsInModel(),
1717              QStringList() << "a_renamed"
1718                            << "b"
1719                            << "someFolder");
1720
1721     // Rename "a_renamed" back to "a"; and "someFolder" to "renamedFolder"
1722     m_model->slotRefreshItems({qMakePair(fileItemARenamed, fileItemA), qMakePair(fileItemSomeFolder, fileItemRenamedFolder)});
1723     QCOMPARE(m_model->count(), 0); // Entire parental chain became hidden
1724
1725     // Rename "renamedFolder" back to "someFolder". Filter is passing again
1726     m_model->slotRefreshItems({qMakePair(fileItemRenamedFolder, fileItemSomeFolder)});
1727     QCOMPARE(m_model->count(), 3); // Entire parental chain is shown again
1728     QCOMPARE(itemsInModel(),
1729              QStringList() << "a"
1730                            << "b"
1731                            << "someFolder");
1732
1733     // slotRefreshItems() should preserve "isExpanded" and "expandedParentsCount" values explicitly in this case
1734     QCOMPARE(m_model->m_itemData.at(2)->values.value("isExpanded").toBool(), true);
1735     QCOMPARE(m_model->m_itemData.at(2)->values.value("expandedParentsCount"), 2);
1736 }
1737
1738 /**
1739  * Verify that removing hidden files and folders from the model does not
1740  * result in a crash, see https://bugs.kde.org/show_bug.cgi?id=314046
1741  */
1742 void KFileItemModelTest::testRemoveHiddenItems()
1743 {
1744     m_testDir->createDir(".a");
1745     m_testDir->createDir(".b");
1746     m_testDir->createDir("c");
1747     m_testDir->createDir("d");
1748     m_testDir->createFiles({".f", ".g", "h", "i"});
1749
1750     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1751     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1752
1753     m_model->setShowHiddenFiles(true);
1754     m_model->loadDirectory(m_testDir->url());
1755     QVERIFY(itemsInsertedSpy.wait());
1756     QCOMPARE(itemsInModel(),
1757              QStringList() << ".a"
1758                            << ".b"
1759                            << "c"
1760                            << "d"
1761                            << ".f"
1762                            << ".g"
1763                            << "h"
1764                            << "i");
1765     QCOMPARE(itemsInsertedSpy.count(), 1);
1766     QCOMPARE(itemsRemovedSpy.count(), 0);
1767     KItemRangeList itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
1768     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 8));
1769
1770     m_model->setShowHiddenFiles(false);
1771     QCOMPARE(itemsInModel(),
1772              QStringList() << "c"
1773                            << "d"
1774                            << "h"
1775                            << "i");
1776     QCOMPARE(itemsInsertedSpy.count(), 0);
1777     QCOMPARE(itemsRemovedSpy.count(), 1);
1778     itemRangeList = itemsRemovedSpy.takeFirst().at(0).value<KItemRangeList>();
1779     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 2) << KItemRange(4, 2));
1780
1781     m_model->setShowHiddenFiles(true);
1782     QCOMPARE(itemsInModel(),
1783              QStringList() << ".a"
1784                            << ".b"
1785                            << "c"
1786                            << "d"
1787                            << ".f"
1788                            << ".g"
1789                            << "h"
1790                            << "i");
1791     QCOMPARE(itemsInsertedSpy.count(), 1);
1792     QCOMPARE(itemsRemovedSpy.count(), 0);
1793     itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
1794     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 2) << KItemRange(2, 2));
1795
1796     m_model->clear();
1797     QCOMPARE(itemsInModel(), QStringList());
1798     QCOMPARE(itemsInsertedSpy.count(), 0);
1799     QCOMPARE(itemsRemovedSpy.count(), 1);
1800     itemRangeList = itemsRemovedSpy.takeFirst().at(0).value<KItemRangeList>();
1801     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 8));
1802
1803     // Hiding hidden files makes the dir lister emit its itemsDeleted signal.
1804     // Verify that this does not make the model crash.
1805     m_model->setShowHiddenFiles(false);
1806 }
1807
1808 /**
1809  * Verify that filtered items are removed when their parent is collapsed.
1810  */
1811 void KFileItemModelTest::collapseParentOfHiddenItems()
1812 {
1813     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1814     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1815
1816     QSet<QByteArray> modelRoles = m_model->roles();
1817     modelRoles << "isExpanded"
1818                << "isExpandable"
1819                << "expandedParentsCount";
1820     m_model->setRoles(modelRoles);
1821
1822     m_testDir->createFiles({"a/1", "a/b/1", "a/b/c/1", "a/b/c/d/1"});
1823
1824     m_model->loadDirectory(m_testDir->url());
1825     QVERIFY(itemsInsertedSpy.wait());
1826     QCOMPARE(m_model->count(), 1); // Only "a/"
1827
1828     // Expand "a/".
1829     m_model->setExpanded(0, true);
1830     QVERIFY(itemsInsertedSpy.wait());
1831     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/1"
1832
1833     // Expand "a/b/".
1834     m_model->setExpanded(1, true);
1835     QVERIFY(itemsInsertedSpy.wait());
1836     QCOMPARE(m_model->count(), 5); // 5 items: "a/", "a/b/", "a/b/c", "a/b/1", "a/1"
1837
1838     // Expand "a/b/c/".
1839     m_model->setExpanded(2, true);
1840     QVERIFY(itemsInsertedSpy.wait());
1841     QCOMPARE(m_model->count(), 7); // 7 items: "a/", "a/b/", "a/b/c", "a/b/c/d/", "a/b/c/1", "a/b/1", "a/1"
1842
1843     // Set a name filter that matches nothing -> nothing should remain.
1844     m_model->setNameFilter("xyz");
1845     QCOMPARE(itemsRemovedSpy.count(), 1);
1846     QCOMPARE(m_model->count(), 0); // Everything is hidden
1847     QCOMPARE(itemsInModel(), QStringList());
1848
1849     // Filter by the file names. Folder "d" will be hidden since it was collapsed
1850     m_model->setNameFilter("1");
1851     QCOMPARE(itemsRemovedSpy.count(), 1); // nothing was removed, itemsRemovedSpy count will remain the same:
1852     QCOMPARE(m_model->count(), 6); // 6 items: "a/", "a/b/", "a/b/c", "a/b/c/1", "a/b/1", "a/1"
1853
1854     // Collapse the folder "a/".
1855     m_model->setExpanded(0, false);
1856     QCOMPARE(itemsRemovedSpy.count(), 2);
1857     QCOMPARE(m_model->count(), 1);
1858     QCOMPARE(itemsInModel(), QStringList() << "a");
1859
1860     // Remove the filter -> "a" should still appear (and we should not get a crash).
1861     m_model->setNameFilter(QString());
1862     QCOMPARE(itemsRemovedSpy.count(), 2); // nothing was removed, itemsRemovedSpy count will remain the same:
1863     QCOMPARE(m_model->count(), 1);
1864     QCOMPARE(itemsInModel(), QStringList() << "a");
1865 }
1866
1867 /**
1868  * Verify that filtered items are removed when their parent is deleted.
1869  */
1870 void KFileItemModelTest::removeParentOfHiddenItems()
1871 {
1872     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1873     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1874
1875     QSet<QByteArray> modelRoles = m_model->roles();
1876     modelRoles << "isExpanded"
1877                << "isExpandable"
1878                << "expandedParentsCount";
1879     m_model->setRoles(modelRoles);
1880
1881     m_testDir->createFiles({"a/1", "a/b/1", "a/b/c/1", "a/b/c/d/1"});
1882
1883     m_model->loadDirectory(m_testDir->url());
1884     QVERIFY(itemsInsertedSpy.wait());
1885     QCOMPARE(m_model->count(), 1); // Only "a/"
1886
1887     // Expand "a/".
1888     m_model->setExpanded(0, true);
1889     QVERIFY(itemsInsertedSpy.wait());
1890     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/1"
1891
1892     // Expand "a/b/".
1893     m_model->setExpanded(1, true);
1894     QVERIFY(itemsInsertedSpy.wait());
1895     QCOMPARE(m_model->count(), 5); // 5 items: "a/", "a/b/", "a/b/c", "a/b/1", "a/1"
1896
1897     // Expand "a/b/c/".
1898     m_model->setExpanded(2, true);
1899     QVERIFY(itemsInsertedSpy.wait());
1900     QCOMPARE(m_model->count(), 7); // 7 items: "a/", "a/b/", "a/b/c", "a/b/c/d/", "a/b/c/1", "a/b/1", "a/1"
1901
1902     // Set a name filter that matches nothing -> nothing should remain.
1903     m_model->setNameFilter("xyz");
1904     QCOMPARE(itemsRemovedSpy.count(), 1);
1905     QCOMPARE(m_model->count(), 0);
1906     QCOMPARE(itemsInModel(), QStringList());
1907
1908     // Filter by "c". Folder "b" will also be shown because it is its parent.
1909     m_model->setNameFilter("c");
1910     QCOMPARE(itemsRemovedSpy.count(), 1); // nothing was removed, itemsRemovedSpy count will remain the same:
1911     QCOMPARE(m_model->count(), 3);
1912     QCOMPARE(itemsInModel(),
1913              QStringList() << "a"
1914                            << "b"
1915                            << "c");
1916
1917     // Simulate the deletion of the directory "a/b/".
1918     m_model->slotItemsDeleted(KFileItemList() << m_model->fileItem(1));
1919     QCOMPARE(itemsRemovedSpy.count(), 2);
1920     QCOMPARE(m_model->count(), 0); // "a" will be filtered out since it doesn't pass the filter and doesn't have visible children
1921
1922     // Remove the filter -> only the file "a/1" should appear.
1923     m_model->setNameFilter(QString());
1924     QCOMPARE(m_model->count(), 2);
1925     QCOMPARE(itemsInModel(),
1926              QStringList() << "a"
1927                            << "1");
1928 }
1929
1930 /**
1931  * Create a tree structure where parent-child relationships can not be
1932  * determined by parsing the URLs, and verify that KFileItemModel
1933  * handles them correctly.
1934  */
1935 void KFileItemModelTest::testGeneralParentChildRelationships()
1936 {
1937     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
1938     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
1939
1940     QSet<QByteArray> modelRoles = m_model->roles();
1941     modelRoles << "isExpanded"
1942                << "isExpandable"
1943                << "expandedParentsCount";
1944     m_model->setRoles(modelRoles);
1945
1946     m_testDir->createFiles({"parent1/realChild1/realGrandChild1", "parent2/realChild2/realGrandChild2"});
1947
1948     m_model->loadDirectory(m_testDir->url());
1949     QVERIFY(itemsInsertedSpy.wait());
1950     QCOMPARE(itemsInModel(),
1951              QStringList() << "parent1"
1952                            << "parent2");
1953
1954     // Expand all folders.
1955     m_model->setExpanded(0, true);
1956     QVERIFY(itemsInsertedSpy.wait());
1957     QCOMPARE(itemsInModel(),
1958              QStringList() << "parent1"
1959                            << "realChild1"
1960                            << "parent2");
1961
1962     m_model->setExpanded(1, true);
1963     QVERIFY(itemsInsertedSpy.wait());
1964     QCOMPARE(itemsInModel(),
1965              QStringList() << "parent1"
1966                            << "realChild1"
1967                            << "realGrandChild1"
1968                            << "parent2");
1969
1970     m_model->setExpanded(3, true);
1971     QVERIFY(itemsInsertedSpy.wait());
1972     QCOMPARE(itemsInModel(),
1973              QStringList() << "parent1"
1974                            << "realChild1"
1975                            << "realGrandChild1"
1976                            << "parent2"
1977                            << "realChild2");
1978
1979     m_model->setExpanded(4, true);
1980     QVERIFY(itemsInsertedSpy.wait());
1981     QCOMPARE(itemsInModel(),
1982              QStringList() << "parent1"
1983                            << "realChild1"
1984                            << "realGrandChild1"
1985                            << "parent2"
1986                            << "realChild2"
1987                            << "realGrandChild2");
1988
1989     // Add some more children and grand-children.
1990     const QUrl parent1 = m_model->fileItem(0).url();
1991     const QUrl parent2 = m_model->fileItem(3).url();
1992     const QUrl realChild1 = m_model->fileItem(1).url();
1993     const QUrl realChild2 = m_model->fileItem(4).url();
1994
1995     m_model->slotItemsAdded(parent1, KFileItemList() << KFileItem(QUrl("child1"), QString(), KFileItem::Unknown));
1996     m_model->slotCompleted();
1997     QCOMPARE(itemsInModel(),
1998              QStringList() << "parent1"
1999                            << "realChild1"
2000                            << "realGrandChild1"
2001                            << "child1"
2002                            << "parent2"
2003                            << "realChild2"
2004                            << "realGrandChild2");
2005
2006     m_model->slotItemsAdded(parent2, KFileItemList() << KFileItem(QUrl("child2"), QString(), KFileItem::Unknown));
2007     m_model->slotCompleted();
2008     QCOMPARE(itemsInModel(),
2009              QStringList() << "parent1"
2010                            << "realChild1"
2011                            << "realGrandChild1"
2012                            << "child1"
2013                            << "parent2"
2014                            << "realChild2"
2015                            << "realGrandChild2"
2016                            << "child2");
2017
2018     m_model->slotItemsAdded(realChild1, KFileItemList() << KFileItem(QUrl("grandChild1"), QString(), KFileItem::Unknown));
2019     m_model->slotCompleted();
2020     QCOMPARE(itemsInModel(),
2021              QStringList() << "parent1"
2022                            << "realChild1"
2023                            << "grandChild1"
2024                            << "realGrandChild1"
2025                            << "child1"
2026                            << "parent2"
2027                            << "realChild2"
2028                            << "realGrandChild2"
2029                            << "child2");
2030
2031     m_model->slotItemsAdded(realChild2, KFileItemList() << KFileItem(QUrl("grandChild2"), QString(), KFileItem::Unknown));
2032     m_model->slotCompleted();
2033     QCOMPARE(itemsInModel(),
2034              QStringList() << "parent1"
2035                            << "realChild1"
2036                            << "grandChild1"
2037                            << "realGrandChild1"
2038                            << "child1"
2039                            << "parent2"
2040                            << "realChild2"
2041                            << "grandChild2"
2042                            << "realGrandChild2"
2043                            << "child2");
2044
2045     // Set a name filter that matches nothing -> nothing will remain.
2046     m_model->setNameFilter("xyz");
2047     QCOMPARE(itemsInModel(), QStringList());
2048     QCOMPARE(itemsRemovedSpy.count(), 1);
2049     QList<QVariant> arguments = itemsRemovedSpy.takeFirst();
2050     KItemRangeList itemRangeList = arguments.at(0).value<KItemRangeList>();
2051     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 10));
2052
2053     // Set a name filter that matches only "realChild". Their prarents should still show.
2054     m_model->setNameFilter("realChild");
2055     QCOMPARE(itemsInModel(),
2056              QStringList() << "parent1"
2057                            << "realChild1"
2058                            << "parent2"
2059                            << "realChild2");
2060     QCOMPARE(itemsRemovedSpy.count(), 0); // nothing was removed, itemsRemovedSpy will not be called this time
2061
2062     // Collapse "parent1".
2063     m_model->setExpanded(0, false);
2064     QCOMPARE(itemsInModel(),
2065              QStringList() << "parent1"
2066                            << "parent2"
2067                            << "realChild2");
2068     QCOMPARE(itemsRemovedSpy.count(), 1);
2069     arguments = itemsRemovedSpy.takeFirst();
2070     itemRangeList = arguments.at(0).value<KItemRangeList>();
2071     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 1));
2072
2073     // Remove "parent2".
2074     m_model->slotItemsDeleted(KFileItemList() << m_model->fileItem(1));
2075     QCOMPARE(itemsInModel(), QStringList() << "parent1");
2076     QCOMPARE(itemsRemovedSpy.count(), 1);
2077     arguments = itemsRemovedSpy.takeFirst();
2078     itemRangeList = arguments.at(0).value<KItemRangeList>();
2079     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 2));
2080
2081     // Clear filter, verify that no items reappear.
2082     m_model->setNameFilter(QString());
2083     QCOMPARE(itemsInModel(), QStringList() << "parent1");
2084 }
2085
2086 void KFileItemModelTest::testNameRoleGroups()
2087 {
2088     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2089     QSignalSpy itemsMovedSpy(m_model, &KFileItemModel::itemsMoved);
2090     QVERIFY(itemsMovedSpy.isValid());
2091     QSignalSpy groupsChangedSpy(m_model, &KFileItemModel::groupsChanged);
2092     QVERIFY(groupsChangedSpy.isValid());
2093
2094     m_testDir->createFiles({"b.txt", "c.txt", "d.txt", "e.txt"});
2095
2096     m_model->setGroupedSorting(true);
2097     m_model->loadDirectory(m_testDir->url());
2098     QVERIFY(itemsInsertedSpy.wait());
2099     QCOMPARE(itemsInModel(),
2100              QStringList() << "b.txt"
2101                            << "c.txt"
2102                            << "d.txt"
2103                            << "e.txt");
2104
2105     QList<QPair<int, QVariant>> expectedGroups;
2106     expectedGroups << QPair<int, QVariant>(0, QLatin1String("B"));
2107     expectedGroups << QPair<int, QVariant>(1, QLatin1String("C"));
2108     expectedGroups << QPair<int, QVariant>(2, QLatin1String("D"));
2109     expectedGroups << QPair<int, QVariant>(3, QLatin1String("E"));
2110     QCOMPARE(m_model->groups(), expectedGroups);
2111
2112     // Rename d.txt to a.txt.
2113     QHash<QByteArray, QVariant> data;
2114     data.insert("text", "a.txt");
2115     m_model->setData(2, data);
2116     QVERIFY(itemsMovedSpy.wait());
2117     QCOMPARE(itemsInModel(),
2118              QStringList() << "a.txt"
2119                            << "b.txt"
2120                            << "c.txt"
2121                            << "e.txt");
2122
2123     expectedGroups.clear();
2124     expectedGroups << QPair<int, QVariant>(0, QLatin1String("A"));
2125     expectedGroups << QPair<int, QVariant>(1, QLatin1String("B"));
2126     expectedGroups << QPair<int, QVariant>(2, QLatin1String("C"));
2127     expectedGroups << QPair<int, QVariant>(3, QLatin1String("E"));
2128     QCOMPARE(m_model->groups(), expectedGroups);
2129
2130     // Rename c.txt to d.txt.
2131     data.insert("text", "d.txt");
2132     m_model->setData(2, data);
2133     QVERIFY(groupsChangedSpy.wait());
2134     QCOMPARE(itemsInModel(),
2135              QStringList() << "a.txt"
2136                            << "b.txt"
2137                            << "d.txt"
2138                            << "e.txt");
2139
2140     expectedGroups.clear();
2141     expectedGroups << QPair<int, QVariant>(0, QLatin1String("A"));
2142     expectedGroups << QPair<int, QVariant>(1, QLatin1String("B"));
2143     expectedGroups << QPair<int, QVariant>(2, QLatin1String("D"));
2144     expectedGroups << QPair<int, QVariant>(3, QLatin1String("E"));
2145     QCOMPARE(m_model->groups(), expectedGroups);
2146
2147     // Change d.txt back to c.txt, but this time using the dir lister's refreshItems() signal.
2148     const KFileItem fileItemD = m_model->fileItem(2);
2149     KFileItem fileItemC = fileItemD;
2150     QUrl urlC = fileItemC.url().adjusted(QUrl::RemoveFilename);
2151     urlC.setPath(urlC.path() + "c.txt");
2152     fileItemC.setUrl(urlC);
2153
2154     m_model->slotRefreshItems({qMakePair(fileItemD, fileItemC)});
2155     QVERIFY(groupsChangedSpy.wait());
2156     QCOMPARE(itemsInModel(),
2157              QStringList() << "a.txt"
2158                            << "b.txt"
2159                            << "c.txt"
2160                            << "e.txt");
2161
2162     expectedGroups.clear();
2163     expectedGroups << QPair<int, QVariant>(0, QLatin1String("A"));
2164     expectedGroups << QPair<int, QVariant>(1, QLatin1String("B"));
2165     expectedGroups << QPair<int, QVariant>(2, QLatin1String("C"));
2166     expectedGroups << QPair<int, QVariant>(3, QLatin1String("E"));
2167     QCOMPARE(m_model->groups(), expectedGroups);
2168 }
2169
2170 void KFileItemModelTest::testNameRoleGroupsWithExpandedItems()
2171 {
2172     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2173
2174     QSet<QByteArray> modelRoles = m_model->roles();
2175     modelRoles << "isExpanded"
2176                << "isExpandable"
2177                << "expandedParentsCount";
2178     m_model->setRoles(modelRoles);
2179
2180     m_testDir->createFiles({"a/b.txt", "a/c.txt", "d/e.txt", "d/f.txt"});
2181
2182     m_model->setGroupedSorting(true);
2183     m_model->loadDirectory(m_testDir->url());
2184     QVERIFY(itemsInsertedSpy.wait());
2185     QCOMPARE(itemsInModel(),
2186              QStringList() << "a"
2187                            << "d");
2188
2189     QList<QPair<int, QVariant>> expectedGroups;
2190     expectedGroups << QPair<int, QVariant>(0, QLatin1String("A"));
2191     expectedGroups << QPair<int, QVariant>(1, QLatin1String("D"));
2192     QCOMPARE(m_model->groups(), expectedGroups);
2193
2194     // Verify that expanding "a" and "d" will not change the groups (except for the index of "D").
2195     expectedGroups.clear();
2196     expectedGroups << QPair<int, QVariant>(0, QLatin1String("A"));
2197     expectedGroups << QPair<int, QVariant>(3, QLatin1String("D"));
2198
2199     m_model->setExpanded(0, true);
2200     QVERIFY(m_model->isExpanded(0));
2201     QVERIFY(itemsInsertedSpy.wait());
2202     QCOMPARE(itemsInModel(),
2203              QStringList() << "a"
2204                            << "b.txt"
2205                            << "c.txt"
2206                            << "d");
2207     QCOMPARE(m_model->groups(), expectedGroups);
2208
2209     m_model->setExpanded(3, true);
2210     QVERIFY(m_model->isExpanded(3));
2211     QVERIFY(itemsInsertedSpy.wait());
2212     QCOMPARE(itemsInModel(),
2213              QStringList() << "a"
2214                            << "b.txt"
2215                            << "c.txt"
2216                            << "d"
2217                            << "e.txt"
2218                            << "f.txt");
2219     QCOMPARE(m_model->groups(), expectedGroups);
2220 }
2221
2222 void KFileItemModelTest::testInconsistentModel()
2223 {
2224     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2225
2226     QSet<QByteArray> modelRoles = m_model->roles();
2227     modelRoles << "isExpanded"
2228                << "isExpandable"
2229                << "expandedParentsCount";
2230     m_model->setRoles(modelRoles);
2231
2232     m_testDir->createFiles({"a/b/c1.txt", "a/b/c2.txt"});
2233
2234     m_model->loadDirectory(m_testDir->url());
2235     QVERIFY(itemsInsertedSpy.wait());
2236     QCOMPARE(itemsInModel(), QStringList() << "a");
2237
2238     // Expand "a/" and "a/b/".
2239     m_model->setExpanded(0, true);
2240     QVERIFY(m_model->isExpanded(0));
2241     QVERIFY(itemsInsertedSpy.wait());
2242     QCOMPARE(itemsInModel(),
2243              QStringList() << "a"
2244                            << "b");
2245
2246     m_model->setExpanded(1, true);
2247     QVERIFY(m_model->isExpanded(1));
2248     QVERIFY(itemsInsertedSpy.wait());
2249     QCOMPARE(itemsInModel(),
2250              QStringList() << "a"
2251                            << "b"
2252                            << "c1.txt"
2253                            << "c2.txt");
2254
2255     // Add the files "c1.txt" and "c2.txt" to the model also as top-level items.
2256     // Such a thing can in principle happen when performing a search, and there
2257     // are files which
2258     // (a) match the search string, and
2259     // (b) are children of a folder that matches the search string and is expanded.
2260     //
2261     // Note that the first item in the list of added items must be new (i.e., not
2262     // in the model yet). Otherwise, KFileItemModel::slotItemsAdded() will see that
2263     // it receives items that are in the model already and ignore them.
2264     QUrl url(m_model->directory().url() + "/a2");
2265     KFileItem newItem(url);
2266
2267     KFileItemList items;
2268     items << newItem << m_model->fileItem(2) << m_model->fileItem(3);
2269     m_model->slotItemsAdded(m_model->directory(), items);
2270     m_model->slotCompleted();
2271     QCOMPARE(itemsInModel(),
2272              QStringList() << "a"
2273                            << "b"
2274                            << "c1.txt"
2275                            << "c2.txt"
2276                            << "a2"
2277                            << "c1.txt"
2278                            << "c2.txt");
2279
2280     m_model->setExpanded(0, false);
2281
2282     // Test that the right items have been removed, see
2283     // https://bugs.kde.org/show_bug.cgi?id=324371
2284     QCOMPARE(itemsInModel(),
2285              QStringList() << "a"
2286                            << "a2"
2287                            << "c1.txt"
2288                            << "c2.txt");
2289
2290     // Test that resorting does not cause a crash, see
2291     // https://bugs.kde.org/show_bug.cgi?id=325359
2292     // The crash is not 100% reproducible, but Valgrind will report an invalid memory access.
2293     m_model->resortAllItems();
2294 }
2295
2296 void KFileItemModelTest::testChangeRolesForFilteredItems()
2297 {
2298     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2299
2300     QSet<QByteArray> modelRoles = m_model->roles();
2301     modelRoles << "owner";
2302     m_model->setRoles(modelRoles);
2303
2304     m_testDir->createFiles({"a.txt", "aa.txt", "aaa.txt"});
2305
2306     m_model->loadDirectory(m_testDir->url());
2307     QVERIFY(itemsInsertedSpy.wait());
2308     QCOMPARE(itemsInModel(),
2309              QStringList() << "a.txt"
2310                            << "aa.txt"
2311                            << "aaa.txt");
2312
2313     for (int index = 0; index < m_model->count(); ++index) {
2314         // All items should have the "text" and "owner" roles, but not "group".
2315         QVERIFY(m_model->data(index).contains("text"));
2316         QVERIFY(m_model->data(index).contains("owner"));
2317         QVERIFY(!m_model->data(index).contains("group"));
2318     }
2319
2320     // Add a filter, such that only "aaa.txt" remains in the model.
2321     m_model->setNameFilter("aaa");
2322     QCOMPARE(itemsInModel(), QStringList() << "aaa.txt");
2323
2324     // Add the "group" role.
2325     modelRoles << "group";
2326     m_model->setRoles(modelRoles);
2327
2328     // Modify the filter, such that "aa.txt" reappears, and verify that all items have the expected roles.
2329     m_model->setNameFilter("aa");
2330     QCOMPARE(itemsInModel(),
2331              QStringList() << "aa.txt"
2332                            << "aaa.txt");
2333
2334     for (int index = 0; index < m_model->count(); ++index) {
2335         // All items should have the "text", "owner", and "group" roles.
2336         QVERIFY(m_model->data(index).contains("text"));
2337         QVERIFY(m_model->data(index).contains("owner"));
2338         QVERIFY(m_model->data(index).contains("group"));
2339     }
2340
2341     // Remove the "owner" role.
2342     modelRoles.remove("owner");
2343     m_model->setRoles(modelRoles);
2344
2345     // Clear the filter, and verify that all items have the expected roles
2346     m_model->setNameFilter(QString());
2347     QCOMPARE(itemsInModel(),
2348              QStringList() << "a.txt"
2349                            << "aa.txt"
2350                            << "aaa.txt");
2351
2352     for (int index = 0; index < m_model->count(); ++index) {
2353         // All items should have the "text" and "group" roles, but now "owner".
2354         QVERIFY(m_model->data(index).contains("text"));
2355         QVERIFY(!m_model->data(index).contains("owner"));
2356         QVERIFY(m_model->data(index).contains("group"));
2357     }
2358 }
2359
2360 void KFileItemModelTest::testChangeSortRoleWhileFiltering()
2361 {
2362     KFileItemList items;
2363
2364     KIO::UDSEntry entry[3];
2365
2366     entry[0].fastInsert(KIO::UDSEntry::UDS_NAME, "a.txt");
2367     entry[0].fastInsert(KIO::UDSEntry::UDS_USER, "user-b");
2368
2369     entry[1].fastInsert(KIO::UDSEntry::UDS_NAME, "b.txt");
2370     entry[1].fastInsert(KIO::UDSEntry::UDS_USER, "user-c");
2371
2372     entry[2].fastInsert(KIO::UDSEntry::UDS_NAME, "c.txt");
2373     entry[2].fastInsert(KIO::UDSEntry::UDS_USER, "user-a");
2374
2375     for (int i = 0; i < 3; ++i) {
2376         entry[i].fastInsert(KIO::UDSEntry::UDS_FILE_TYPE, 0100000); // S_IFREG might not be defined on non-Unix platforms.
2377         entry[i].fastInsert(KIO::UDSEntry::UDS_ACCESS, 07777);
2378         entry[i].fastInsert(KIO::UDSEntry::UDS_SIZE, 0);
2379         entry[i].fastInsert(KIO::UDSEntry::UDS_MODIFICATION_TIME, 0);
2380         entry[i].fastInsert(KIO::UDSEntry::UDS_GROUP, "group");
2381         entry[i].fastInsert(KIO::UDSEntry::UDS_ACCESS_TIME, 0);
2382         items.append(KFileItem(entry[i], m_testDir->url(), false, true));
2383     }
2384
2385     m_model->slotItemsAdded(m_testDir->url(), items);
2386     m_model->slotCompleted();
2387
2388     QCOMPARE(itemsInModel(),
2389              QStringList() << "a.txt"
2390                            << "b.txt"
2391                            << "c.txt");
2392
2393     // Add a filter.
2394     m_model->setNameFilter("a");
2395     QCOMPARE(itemsInModel(), QStringList() << "a.txt");
2396
2397     // Sort by "owner".
2398     m_model->setSortRole("owner");
2399
2400     // Clear the filter, and verify that the items are sorted correctly.
2401     m_model->setNameFilter(QString());
2402     QCOMPARE(itemsInModel(),
2403              QStringList() << "c.txt"
2404                            << "a.txt"
2405                            << "b.txt");
2406 }
2407
2408 void KFileItemModelTest::testRefreshFilteredItems()
2409 {
2410     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2411
2412     m_testDir->createFiles({"a.txt", "b.txt", "c.jpg", "d.jpg"});
2413
2414     m_model->loadDirectory(m_testDir->url());
2415     QVERIFY(itemsInsertedSpy.wait());
2416     QCOMPARE(itemsInModel(),
2417              QStringList() << "a.txt"
2418                            << "b.txt"
2419                            << "c.jpg"
2420                            << "d.jpg");
2421
2422     const KFileItem fileItemC = m_model->fileItem(2);
2423
2424     // Show only the .txt files.
2425     m_model->setNameFilter(".txt");
2426     QCOMPARE(itemsInModel(),
2427              QStringList() << "a.txt"
2428                            << "b.txt");
2429
2430     // Rename one of the .jpg files.
2431     KFileItem fileItemE = fileItemC;
2432     QUrl urlE = fileItemE.url().adjusted(QUrl::RemoveFilename);
2433     urlE.setPath(urlE.path() + "/e.jpg");
2434     fileItemE.setUrl(urlE);
2435
2436     m_model->slotRefreshItems({qMakePair(fileItemC, fileItemE)});
2437
2438     // Show all files again, and verify that the model has updated the file name.
2439     m_model->setNameFilter(QString());
2440     QCOMPARE(itemsInModel(),
2441              QStringList() << "a.txt"
2442                            << "b.txt"
2443                            << "d.jpg"
2444                            << "e.jpg");
2445 }
2446
2447 void KFileItemModelTest::testCreateMimeData()
2448 {
2449     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2450
2451     QSet<QByteArray> modelRoles = m_model->roles();
2452     modelRoles << "isExpanded"
2453                << "isExpandable"
2454                << "expandedParentsCount";
2455     m_model->setRoles(modelRoles);
2456
2457     m_testDir->createFile("a/1");
2458
2459     m_model->loadDirectory(m_testDir->url());
2460     QVERIFY(itemsInsertedSpy.wait());
2461     QCOMPARE(itemsInModel(), QStringList() << "a");
2462
2463     // Expand "a/".
2464     m_model->setExpanded(0, true);
2465     QVERIFY(itemsInsertedSpy.wait());
2466     QCOMPARE(itemsInModel(),
2467              QStringList() << "a"
2468                            << "1");
2469
2470     // Verify that creating the MIME data for a child of an expanded folder does
2471     // not cause a crash, see https://bugs.kde.org/show_bug.cgi?id=329119
2472     KItemSet selection;
2473     selection.insert(1);
2474     QMimeData *mimeData = m_model->createMimeData(selection);
2475     delete mimeData;
2476 }
2477
2478 void KFileItemModelTest::testCollapseFolderWhileLoading()
2479 {
2480     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2481
2482     QSet<QByteArray> modelRoles = m_model->roles();
2483     modelRoles << "isExpanded"
2484                << "isExpandable"
2485                << "expandedParentsCount";
2486     m_model->setRoles(modelRoles);
2487
2488     m_testDir->createFile("a2/b/c1.txt");
2489
2490     m_model->loadDirectory(m_testDir->url());
2491     QVERIFY(itemsInsertedSpy.wait());
2492     QCOMPARE(itemsInModel(), QStringList() << "a2");
2493
2494     // Expand "a2/".
2495     m_model->setExpanded(0, true);
2496     QVERIFY(m_model->isExpanded(0));
2497     QVERIFY(itemsInsertedSpy.wait());
2498     QCOMPARE(itemsInModel(),
2499              QStringList() << "a2"
2500                            << "b");
2501
2502     // Expand "a2/b/".
2503     m_model->setExpanded(1, true);
2504     QVERIFY(m_model->isExpanded(1));
2505     QVERIFY(itemsInsertedSpy.wait());
2506     QCOMPARE(itemsInModel(),
2507              QStringList() << "a2"
2508                            << "b"
2509                            << "c1.txt");
2510
2511     // Simulate that a new item "c2.txt" appears, but that the dir lister's completed()
2512     // signal is not emitted yet.
2513     const KFileItem fileItemC1 = m_model->fileItem(2);
2514     KFileItem fileItemC2 = fileItemC1;
2515     QUrl urlC2 = fileItemC2.url();
2516     urlC2 = urlC2.adjusted(QUrl::RemoveFilename);
2517     urlC2.setPath(urlC2.path() + "c2.txt");
2518     fileItemC2.setUrl(urlC2);
2519
2520     const QUrl urlB = m_model->fileItem(1).url();
2521     m_model->slotItemsAdded(urlB, KFileItemList() << fileItemC2);
2522     QCOMPARE(itemsInModel(),
2523              QStringList() << "a2"
2524                            << "b"
2525                            << "c1.txt");
2526
2527     // Collapse "a2/". This should also remove all its (indirect) children from
2528     // the model and from the model's m_pendingItemsToInsert member.
2529     m_model->setExpanded(0, false);
2530     QCOMPARE(itemsInModel(), QStringList() << "a2");
2531
2532     // Simulate that the dir lister's completed() signal is emitted. If "c2.txt"
2533     // is still in m_pendingItemsToInsert, then we might get a crash, see
2534     // https://bugs.kde.org/show_bug.cgi?id=332102. Even if the crash is not
2535     // reproducible here, Valgrind will complain, and the item "c2.txt" will appear
2536     // without parent in the model.
2537     m_model->slotCompleted();
2538     QCOMPARE(itemsInModel(), QStringList() << "a2");
2539
2540     // Expand "a2/" again.
2541     m_model->setExpanded(0, true);
2542     QVERIFY(m_model->isExpanded(0));
2543     QVERIFY(itemsInsertedSpy.wait());
2544     QCOMPARE(itemsInModel(),
2545              QStringList() << "a2"
2546                            << "b");
2547
2548     // Now simulate that a new folder "a1/" is appears, but that the dir lister's
2549     // completed() signal is not emitted yet.
2550     const KFileItem fileItemA2 = m_model->fileItem(0);
2551     KFileItem fileItemA1 = fileItemA2;
2552     QUrl urlA1 = fileItemA1.url().adjusted(QUrl::RemoveFilename);
2553     urlA1.setPath(urlA1.path() + "a1");
2554     fileItemA1.setUrl(urlA1);
2555
2556     m_model->slotItemsAdded(m_model->directory(), KFileItemList() << fileItemA1);
2557     QCOMPARE(itemsInModel(),
2558              QStringList() << "a2"
2559                            << "b");
2560
2561     // Collapse "a2/". Note that this will cause "a1/" to be added to the model,
2562     // i.e., the index of "a2/" will change from 0 to 1. Check that this does not
2563     // confuse the code which collapses the folder.
2564     m_model->setExpanded(0, false);
2565     QCOMPARE(itemsInModel(),
2566              QStringList() << "a1"
2567                            << "a2");
2568     QVERIFY(!m_model->isExpanded(0));
2569     QVERIFY(!m_model->isExpanded(1));
2570 }
2571
2572 void KFileItemModelTest::testDeleteFileMoreThanOnce()
2573 {
2574     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2575
2576     m_testDir->createFiles({"a.txt", "b.txt", "c.txt", "d.txt"});
2577
2578     m_model->loadDirectory(m_testDir->url());
2579     QVERIFY(itemsInsertedSpy.wait());
2580     QCOMPARE(itemsInModel(),
2581              QStringList() << "a.txt"
2582                            << "b.txt"
2583                            << "c.txt"
2584                            << "d.txt");
2585
2586     const KFileItem fileItemB = m_model->fileItem(1);
2587
2588     // Tell the model that a list of items has been deleted, where "b.txt" appears twice in the list.
2589     KFileItemList list;
2590     list << fileItemB << fileItemB;
2591     m_model->slotItemsDeleted(list);
2592
2593     QVERIFY(m_model->isConsistent());
2594     QCOMPARE(itemsInModel(),
2595              QStringList() << "a.txt"
2596                            << "c.txt"
2597                            << "d.txt");
2598 }
2599
2600 void KFileItemModelTest::testInsertAfterExpand()
2601 {
2602     m_model->m_dirLister->setAutoUpdate(true);
2603
2604     QSignalSpy itemsInsertedSpy(m_model, &KFileItemModel::itemsInserted);
2605     QVERIFY(itemsInsertedSpy.isValid());
2606     QSignalSpy itemsRemovedSpy(m_model, &KFileItemModel::itemsRemoved);
2607     QVERIFY(itemsRemovedSpy.isValid());
2608     QSignalSpy loadingCompletedSpy(m_model, &KFileItemModel::directoryLoadingCompleted);
2609     QVERIFY(loadingCompletedSpy.isValid());
2610
2611     // Test expanding subfolders in a folder with the items "a/", "a/a/"
2612     QSet<QByteArray> originalModelRoles = m_model->roles();
2613     QSet<QByteArray> modelRoles = originalModelRoles;
2614     modelRoles << "isExpanded"
2615                << "isExpandable"
2616                << "expandedParentsCount";
2617     m_model->setRoles(modelRoles);
2618
2619     m_testDir->createFile("a/b/1");
2620
2621     m_model->loadDirectory(m_testDir->url());
2622     QVERIFY(itemsInsertedSpy.wait());
2623
2624     // So far, the model contains only "a/"
2625     QCOMPARE(m_model->count(), 1);
2626     QVERIFY(m_model->isExpandable(0));
2627     QVERIFY(!m_model->isExpanded(0));
2628     QVERIFY(m_model->expandedDirectories().empty());
2629
2630     QCOMPARE(itemsInsertedSpy.count(), 1);
2631     {
2632         KItemRangeList itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
2633         QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 1)); // 1 new item "a/" with index 0
2634         QCOMPARE(m_model->expandedParentsCount(0), 0);
2635     }
2636     itemsInsertedSpy.clear();
2637
2638     // Expand the folder "a/" -> "a/b" become visible
2639     m_model->setExpanded(0, true);
2640     QVERIFY(m_model->isExpanded(0));
2641     QVERIFY(itemsInsertedSpy.wait());
2642     QCOMPARE(m_model->count(), 2); // 3 items: "a/", "a/a/"
2643     QCOMPARE(m_model->expandedDirectories(), QSet<QUrl>({QUrl::fromLocalFile(m_testDir->path() + "/a")}));
2644
2645     QCOMPARE(itemsInsertedSpy.count(), 1);
2646     {
2647         KItemRangeList itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
2648         QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 1)); // 1 new item "a/b" with index 1
2649         QCOMPARE(m_model->expandedParentsCount(1), 1);
2650     }
2651     itemsInsertedSpy.clear();
2652
2653     // Expand "a/b" -> "a/b/1" becomes visible
2654     m_model->setExpanded(1, true);
2655     QVERIFY(itemsInsertedSpy.wait());
2656     QCOMPARE(m_model->expandedDirectories(), QSet({QUrl::fromLocalFile(m_testDir->path() + "/a"), QUrl::fromLocalFile(m_testDir->path() + "/a/b")}));
2657
2658     QCOMPARE(itemsInsertedSpy.count(), 1);
2659     {
2660         KItemRangeList itemRangeList = itemsInsertedSpy.takeFirst().at(0).value<KItemRangeList>();
2661         QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(2, 1)); // 1 new item "a/b/1" with index 2
2662         QCOMPARE(m_model->expandedParentsCount(2), 2);
2663     }
2664     itemsInsertedSpy.clear();
2665
2666     // Collapse "a" whilst leaving "b" expanded
2667     m_model->setExpanded(0, false);
2668
2669     // Insert additional files into "a/b/"
2670     m_testDir->createFile("a/b/2");
2671
2672     QVERIFY(!itemsInsertedSpy.wait(5000));
2673
2674     QCOMPARE(itemsInModel(), {"a"});
2675
2676     m_model->setExpanded(0, true);
2677     ;
2678     QTRY_COMPARE(itemsInModel(), QStringList({"a", "b", "1", "2"}));
2679
2680     QCOMPARE(m_model->expandedParentsCount(0), 0); // a
2681     QCOMPARE(m_model->expandedParentsCount(1), 1); // a/b
2682     QCOMPARE(m_model->expandedParentsCount(2), 2); // a/b/1
2683     QCOMPARE(m_model->expandedParentsCount(3), 2); // a/b/2
2684 }
2685
2686 void KFileItemModelTest::testCurrentDirRemoved()
2687 {
2688     m_model->m_dirLister->setAutoUpdate(true);
2689     QSignalSpy currentDirectoryRemovedSpy(m_model, &KFileItemModel::currentDirectoryRemoved);
2690     QVERIFY(currentDirectoryRemovedSpy.isValid());
2691     QSignalSpy loadingCompletedSpy(m_model, &KFileItemModel::directoryLoadingCompleted);
2692     QVERIFY(loadingCompletedSpy.isValid());
2693     QSignalSpy dirListerClearSpy(m_model->m_dirLister, &KCoreDirLister::clear);
2694     QVERIFY(dirListerClearSpy.isValid());
2695
2696     m_testDir->createFiles({"dir/a.txt", "dir/b.txt"});
2697     m_model->loadDirectory(QUrl::fromLocalFile(m_testDir->path() + "/dir/"));
2698     QVERIFY(loadingCompletedSpy.wait());
2699     QCOMPARE(m_model->count(), 2);
2700     QVERIFY(m_model->isConsistent());
2701
2702     m_testDir->removeDir("dir");
2703     QVERIFY(currentDirectoryRemovedSpy.wait());
2704
2705     // dirLister calls clear
2706     QCOMPARE(dirListerClearSpy.count(), 2);
2707     QVERIFY(m_model->isConsistent());
2708     QVERIFY(m_model->m_itemData.isEmpty());
2709     QCOMPARE(m_model->count(), 0);
2710 }
2711
2712 QStringList KFileItemModelTest::itemsInModel() const
2713 {
2714     QStringList items;
2715     for (int i = 0; i < m_model->count(); i++) {
2716         items << m_model->fileItem(i).text();
2717     }
2718     return items;
2719 }
2720
2721 QTEST_MAIN(KFileItemModelTest)
2722
2723 #include "kfileitemmodeltest.moc"