src/tests/kfileitemmodeltest.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2011 by Frank Reininghaus <frank78ac@googlemail.com>    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include <qtest_kde.h>
  22
  23 #include <KDirLister>
  24 #include <kio/job.h>
  25
  26 #include "kitemviews/kfileitemmodel.h"
  27 #include "kitemviews/private/kfileitemmodeldirlister.h"
  28 #include "testdir.h"
  29
  30 void myMessageOutput(QtMsgType type, const char* msg)
  31 {
  32     switch (type) {
  33     case QtDebugMsg:
  34         break;
  35     case QtWarningMsg:
  36         break;
  37     case QtCriticalMsg:
  38         fprintf(stderr, "Critical: %s\n", msg);
  39         break;
  40     case QtFatalMsg:
  41         fprintf(stderr, "Fatal: %s\n", msg);
  42         abort();
  43     default:
  44        break;
  45     }
  46 }
  47
  48 namespace {
  49     const int DefaultTimeout = 5000;
  50 };
  51
  52 Q_DECLARE_METATYPE(KItemRangeList)
  53 Q_DECLARE_METATYPE(QList<int>)
  54
  55 class KFileItemModelTest : public QObject
  56 {
  57     Q_OBJECT
  58
  59 private slots:
  60     void init();
  61     void cleanup();
  62
  63     void testDefaultRoles();
  64     void testDefaultSortRole();
  65     void testDefaultGroupedSorting();
  66     void testNewItems();
  67     void testRemoveItems();
  68     void testDirLoadingCompleted();
  69     void testSetData();
  70     void testSetDataWithModifiedSortRole_data();
  71     void testSetDataWithModifiedSortRole();
  72     void testModelConsistencyWhenInsertingItems();
  73     void testItemRangeConsistencyWhenInsertingItems();
  74     void testExpandItems();
  75     void testExpandParentItems();
  76     void testMakeExpandedItemHidden();
  77     void testSorting();
  78     void testIndexForKeyboardSearch();
  79     void testNameFilter();
  80     void testEmptyPath();
  81     void testRemoveHiddenItems();
  82     void removeParentOfHiddenItems();
  83
  84 private:
  85     QStringList itemsInModel() const;
  86
  87 private:
  88     KFileItemModel* m_model;
  89     TestDir* m_testDir;
  90 };
  91
  92 void KFileItemModelTest::init()
  93 {
  94     // The item-model tests result in a huge number of debugging
  95     // output from kdelibs. Only show critical and fatal messages.
  96     qInstallMsgHandler(myMessageOutput);
  97
  98     qRegisterMetaType<KItemRange>("KItemRange");
  99     qRegisterMetaType<KItemRangeList>("KItemRangeList");
 100     qRegisterMetaType<KFileItemList>("KFileItemList");
 101
 102     m_testDir = new TestDir();
 103     m_model = new KFileItemModel();
 104     m_model->m_dirLister->setAutoUpdate(false);
 105 }
 106
 107 void KFileItemModelTest::cleanup()
 108 {
 109     delete m_model;
 110     m_model = 0;
 111
 112     delete m_testDir;
 113     m_testDir = 0;
 114 }
 115
 116 void KFileItemModelTest::testDefaultRoles()
 117 {
 118     const QSet<QByteArray> roles = m_model->roles();
 119     QCOMPARE(roles.count(), 3);
 120     QVERIFY(roles.contains("text"));
 121     QVERIFY(roles.contains("isDir"));
 122     QVERIFY(roles.contains("isLink"));
 123 }
 124
 125 void KFileItemModelTest::testDefaultSortRole()
 126 {
 127     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 128
 129     QStringList files;
 130     files << "c.txt" << "a.txt" << "b.txt";
 131
 132     m_testDir->createFiles(files);
 133
 134     m_model->loadDirectory(m_testDir->url());
 135     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 136
 137     QCOMPARE(m_model->count(), 3);
 138     QCOMPARE(m_model->data(0)["text"].toString(), QString("a.txt"));
 139     QCOMPARE(m_model->data(1)["text"].toString(), QString("b.txt"));
 140     QCOMPARE(m_model->data(2)["text"].toString(), QString("c.txt"));
 141 }
 142
 143 void KFileItemModelTest::testDefaultGroupedSorting()
 144 {
 145     QCOMPARE(m_model->groupedSorting(), false);
 146 }
 147
 148 void KFileItemModelTest::testNewItems()
 149 {
 150     QStringList files;
 151     files << "a.txt" << "b.txt" << "c.txt";
 152     m_testDir->createFiles(files);
 153
 154     m_model->loadDirectory(m_testDir->url());
 155     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 156
 157     QCOMPARE(m_model->count(), 3);
 158
 159     QVERIFY(m_model->isConsistent());
 160 }
 161
 162 void KFileItemModelTest::testRemoveItems()
 163 {
 164     m_testDir->createFile("a.txt");
 165     m_testDir->createFile("b.txt");
 166     m_model->loadDirectory(m_testDir->url());
 167     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 168     QCOMPARE(m_model->count(), 2);
 169     QVERIFY(m_model->isConsistent());
 170
 171     m_testDir->removeFile("a.txt");
 172     m_model->m_dirLister->updateDirectory(m_testDir->url());
 173     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsRemoved(KItemRangeList)), DefaultTimeout));
 174     QCOMPARE(m_model->count(), 1);
 175     QVERIFY(m_model->isConsistent());
 176 }
 177
 178 void KFileItemModelTest::testDirLoadingCompleted()
 179 {
 180     QSignalSpy loadingCompletedSpy(m_model, SIGNAL(directoryLoadingCompleted()));
 181     QSignalSpy itemsInsertedSpy(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 182     QSignalSpy itemsRemovedSpy(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 183
 184     m_testDir->createFiles(QStringList() << "a.txt" << "b.txt" << "c.txt");
 185
 186     m_model->loadDirectory(m_testDir->url());
 187     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 188     QCOMPARE(loadingCompletedSpy.count(), 1);
 189     QCOMPARE(itemsInsertedSpy.count(), 1);
 190     QCOMPARE(itemsRemovedSpy.count(), 0);
 191     QCOMPARE(m_model->count(), 3);
 192
 193     m_testDir->createFiles(QStringList() << "d.txt" << "e.txt");
 194     m_model->m_dirLister->updateDirectory(m_testDir->url());
 195     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 196     QCOMPARE(loadingCompletedSpy.count(), 2);
 197     QCOMPARE(itemsInsertedSpy.count(), 2);
 198     QCOMPARE(itemsRemovedSpy.count(), 0);
 199     QCOMPARE(m_model->count(), 5);
 200
 201     m_testDir->removeFile("a.txt");
 202     m_testDir->createFile("f.txt");
 203     m_model->m_dirLister->updateDirectory(m_testDir->url());
 204     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 205     QCOMPARE(loadingCompletedSpy.count(), 3);
 206     QCOMPARE(itemsInsertedSpy.count(), 3);
 207     QCOMPARE(itemsRemovedSpy.count(), 1);
 208     QCOMPARE(m_model->count(), 5);
 209
 210     m_testDir->removeFile("b.txt");
 211     m_model->m_dirLister->updateDirectory(m_testDir->url());
 212     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsRemoved(KItemRangeList)), DefaultTimeout));
 213     QCOMPARE(loadingCompletedSpy.count(), 4);
 214     QCOMPARE(itemsInsertedSpy.count(), 3);
 215     QCOMPARE(itemsRemovedSpy.count(), 2);
 216     QCOMPARE(m_model->count(), 4);
 217
 218     QVERIFY(m_model->isConsistent());
 219 }
 220
 221 void KFileItemModelTest::testSetData()
 222 {
 223     m_testDir->createFile("a.txt");
 224
 225     m_model->loadDirectory(m_testDir->url());
 226     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 227
 228     QHash<QByteArray, QVariant> values;
 229     values.insert("customRole1", "Test1");
 230     values.insert("customRole2", "Test2");
 231
 232     QSignalSpy itemsChangedSpy(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)));
 233     m_model->setData(0, values);
 234     QCOMPARE(itemsChangedSpy.count(), 1);
 235
 236     values = m_model->data(0);
 237     QCOMPARE(values.value("customRole1").toString(), QString("Test1"));
 238     QCOMPARE(values.value("customRole2").toString(), QString("Test2"));
 239     QVERIFY(m_model->isConsistent());
 240 }
 241
 242 void KFileItemModelTest::testSetDataWithModifiedSortRole_data()
 243 {
 244     QTest::addColumn<int>("changedIndex");
 245     QTest::addColumn<int>("changedRating");
 246     QTest::addColumn<bool>("expectMoveSignal");
 247     QTest::addColumn<int>("ratingIndex0");
 248     QTest::addColumn<int>("ratingIndex1");
 249     QTest::addColumn<int>("ratingIndex2");
 250
 251     // Default setup:
 252     // Index 0 = rating 2
 253     // Index 1 = rating 4
 254     // Index 2 = rating 6
 255
 256     QTest::newRow("Index 0: Rating 3") << 0 << 3 << false << 3 << 4 << 6;
 257     QTest::newRow("Index 0: Rating 5") << 0 << 5 << true  << 4 << 5 << 6;
 258     QTest::newRow("Index 0: Rating 8") << 0 << 8 << true  << 4 << 6 << 8;
 259
 260     QTest::newRow("Index 2: Rating 1") << 2 << 1 << true  << 1 << 2 << 4;
 261     QTest::newRow("Index 2: Rating 3") << 2 << 3 << true  << 2 << 3 << 4;
 262     QTest::newRow("Index 2: Rating 5") << 2 << 5 << false << 2 << 4 << 5;
 263 }
 264
 265 void KFileItemModelTest::testSetDataWithModifiedSortRole()
 266 {
 267     QFETCH(int, changedIndex);
 268     QFETCH(int, changedRating);
 269     QFETCH(bool, expectMoveSignal);
 270     QFETCH(int, ratingIndex0);
 271     QFETCH(int, ratingIndex1);
 272     QFETCH(int, ratingIndex2);
 273
 274     // Changing the value of a sort-role must result in
 275     // a reordering of the items.
 276     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 277
 278     QStringList files;
 279     files << "a.txt" << "b.txt" << "c.txt";
 280     m_testDir->createFiles(files);
 281
 282     m_model->loadDirectory(m_testDir->url());
 283     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 284
 285     // Fill the "rating" role of each file:
 286     // a.txt -> 2
 287     // b.txt -> 4
 288     // c.txt -> 6
 289
 290     QHash<QByteArray, QVariant> ratingA;
 291     ratingA.insert("rating", 2);
 292     m_model->setData(0, ratingA);
 293
 294     QHash<QByteArray, QVariant> ratingB;
 295     ratingB.insert("rating", 4);
 296     m_model->setData(1, ratingB);
 297
 298     QHash<QByteArray, QVariant> ratingC;
 299     ratingC.insert("rating", 6);
 300     m_model->setData(2, ratingC);
 301
 302     m_model->setSortRole("rating");
 303     QCOMPARE(m_model->data(0).value("rating").toInt(), 2);
 304     QCOMPARE(m_model->data(1).value("rating").toInt(), 4);
 305     QCOMPARE(m_model->data(2).value("rating").toInt(), 6);
 306
 307     // Now change the rating from a.txt. This usually results
 308     // in reordering of the items.
 309     QHash<QByteArray, QVariant> rating;
 310     rating.insert("rating", changedRating);
 311     m_model->setData(changedIndex, rating);
 312
 313     if (expectMoveSignal) {
 314         QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsMoved(KItemRange,QList<int>)), DefaultTimeout));
 315     }
 316
 317     QCOMPARE(m_model->data(0).value("rating").toInt(), ratingIndex0);
 318     QCOMPARE(m_model->data(1).value("rating").toInt(), ratingIndex1);
 319     QCOMPARE(m_model->data(2).value("rating").toInt(), ratingIndex2);
 320     QVERIFY(m_model->isConsistent());
 321 }
 322
 323 void KFileItemModelTest::testModelConsistencyWhenInsertingItems()
 324 {
 325     //QSKIP("Temporary disabled", SkipSingle);
 326
 327     // KFileItemModel prevents that inserting a punch of items sequentially
 328     // results in an itemsInserted()-signal for each item. Instead internally
 329     // a timeout is given that collects such operations and results in only
 330     // one itemsInserted()-signal. However in this test we want to stress
 331     // KFileItemModel to do a lot of insert operation and hence decrease
 332     // the timeout to 1 millisecond.
 333     m_testDir->createFile("1");
 334     m_model->loadDirectory(m_testDir->url());
 335     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 336     QCOMPARE(m_model->count(), 1);
 337
 338     // Insert 10 items for 20 times. After each insert operation the model consistency
 339     // is checked.
 340     QSet<int> insertedItems;
 341     for (int i = 0; i < 20; ++i) {
 342         QSignalSpy spy(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 343
 344         for (int j = 0; j < 10; ++j) {
 345             int itemName = qrand();
 346             while (insertedItems.contains(itemName)) {
 347                 itemName = qrand();
 348             }
 349             insertedItems.insert(itemName);
 350
 351             m_testDir->createFile(QString::number(itemName));
 352         }
 353
 354         m_model->m_dirLister->updateDirectory(m_testDir->url());
 355         if (spy.count() == 0) {
 356             QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 357         }
 358
 359         QVERIFY(m_model->isConsistent());
 360     }
 361
 362     QCOMPARE(m_model->count(), 201);
 363 }
 364
 365 void KFileItemModelTest::testItemRangeConsistencyWhenInsertingItems()
 366 {
 367     QStringList files;
 368     files << "B" << "E" << "G";
 369     m_testDir->createFiles(files);
 370
 371     // Due to inserting the 3 items one item-range with index == 0 and
 372     // count == 3 must be given
 373     QSignalSpy spy1(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 374     m_model->loadDirectory(m_testDir->url());
 375     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 376
 377     QCOMPARE(spy1.count(), 1);
 378     QList<QVariant> arguments = spy1.takeFirst();
 379     KItemRangeList itemRangeList = arguments.at(0).value<KItemRangeList>();
 380     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 3));
 381
 382     // The indexes of the item-ranges must always be related to the model before
 383     // the items have been inserted. Having:
 384     //   0 1 2
 385     //   B E G
 386     // and inserting A, C, D, F the resulting model will be:
 387     //   0 1 2 3 4 5 6
 388     //   A B C D E F G
 389     // and the item-ranges must be:
 390     //   index: 0, count: 1 for A
 391     //   index: 1, count: 2 for B, C
 392     //   index: 2, count: 1 for G
 393
 394     files.clear();
 395     files << "A" << "C" << "D" << "F";
 396     m_testDir->createFiles(files);
 397
 398     QSignalSpy spy2(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 399     m_model->m_dirLister->updateDirectory(m_testDir->url());
 400     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 401
 402     QCOMPARE(spy2.count(), 1);
 403     arguments = spy2.takeFirst();
 404     itemRangeList = arguments.at(0).value<KItemRangeList>();
 405     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 1) << KItemRange(1, 2) << KItemRange(2, 1));
 406 }
 407
 408 void KFileItemModelTest::testExpandItems()
 409 {
 410     // Test expanding subfolders in a folder with the items "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1".
 411     // Besides testing the basic item expansion functionality, the test makes sure that
 412     // KFileItemModel::expansionLevelsCompare(const KFileItem& a, const KFileItem& b)
 413     // yields the correct result for "a/a/1" and "a/a-1/", whis is non-trivial because they share the
 414     // first three characters.
 415     QSet<QByteArray> modelRoles = m_model->roles();
 416     modelRoles << "isExpanded" << "isExpandable" << "expandedParentsCount";
 417     m_model->setRoles(modelRoles);
 418
 419     QStringList files;
 420     files << "a/a/1" << "a/a-1/1"; // missing folders are created automatically
 421     m_testDir->createFiles(files);
 422
 423     // Store the URLs of all folders in a set.
 424     QSet<KUrl> allFolders;
 425     allFolders << KUrl(m_testDir->name() + 'a') << KUrl(m_testDir->name() + "a/a") << KUrl(m_testDir->name() + "a/a-1");
 426
 427     m_model->loadDirectory(m_testDir->url());
 428     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 429
 430     // So far, the model contains only "a/"
 431     QCOMPARE(m_model->count(), 1);
 432     QVERIFY(m_model->isExpandable(0));
 433     QVERIFY(!m_model->isExpanded(0));
 434     QVERIFY(m_model->expandedDirectories().empty());
 435
 436     QSignalSpy spyInserted(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 437
 438     // Expand the folder "a/" -> "a/a/" and "a/a-1/" become visible
 439     m_model->setExpanded(0, true);
 440     QVERIFY(m_model->isExpanded(0));
 441     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 442     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/a/", "a/a-1/"
 443     QCOMPARE(m_model->expandedDirectories(), QSet<KUrl>() << KUrl(m_testDir->name() + 'a'));
 444
 445     QCOMPARE(spyInserted.count(), 1);
 446     KItemRangeList itemRangeList = spyInserted.takeFirst().at(0).value<KItemRangeList>();
 447     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 2)); // 2 new items "a/a/" and "a/a-1/" with indices 1 and 2
 448
 449     QVERIFY(m_model->isExpandable(1));
 450     QVERIFY(!m_model->isExpanded(1));
 451     QVERIFY(m_model->isExpandable(2));
 452     QVERIFY(!m_model->isExpanded(2));
 453
 454     // Expand the folder "a/a/" -> "a/a/1" becomes visible
 455     m_model->setExpanded(1, true);
 456     QVERIFY(m_model->isExpanded(1));
 457     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 458     QCOMPARE(m_model->count(), 4);  // 4 items: "a/", "a/a/", "a/a/1", "a/a-1/"
 459     QCOMPARE(m_model->expandedDirectories(), QSet<KUrl>() << KUrl(m_testDir->name() + 'a') << KUrl(m_testDir->name() + "a/a"));
 460
 461     QCOMPARE(spyInserted.count(), 1);
 462     itemRangeList = spyInserted.takeFirst().at(0).value<KItemRangeList>();
 463     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(2, 1)); // 1 new item "a/a/1" with index 2
 464
 465     QVERIFY(!m_model->isExpandable(2));
 466     QVERIFY(!m_model->isExpanded(2));
 467
 468     // Expand the folder "a/a-1/" -> "a/a-1/1" becomes visible
 469     m_model->setExpanded(3, true);
 470     QVERIFY(m_model->isExpanded(3));
 471     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 472     QCOMPARE(m_model->count(), 5);  // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 473     QCOMPARE(m_model->expandedDirectories(), allFolders);
 474
 475     QCOMPARE(spyInserted.count(), 1);
 476     itemRangeList = spyInserted.takeFirst().at(0).value<KItemRangeList>();
 477     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(4, 1)); // 1 new item "a/a-1/1" with index 4
 478
 479     QVERIFY(!m_model->isExpandable(4));
 480     QVERIFY(!m_model->isExpanded(4));
 481
 482     QSignalSpy spyRemoved(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 483
 484     // Collapse the top-level folder -> all other items should disappear
 485     m_model->setExpanded(0, false);
 486     QVERIFY(!m_model->isExpanded(0));
 487     QCOMPARE(m_model->count(), 1);
 488     QVERIFY(!m_model->expandedDirectories().contains(KUrl(m_testDir->name() + 'a'))); // TODO: Make sure that child URLs are also removed
 489
 490     QCOMPARE(spyRemoved.count(), 1);
 491     itemRangeList = spyRemoved.takeFirst().at(0).value<KItemRangeList>();
 492     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 4)); // 4 items removed
 493     QVERIFY(m_model->isConsistent());
 494
 495     // Clear the model, reload the folder and try to restore the expanded folders.
 496     m_model->clear();
 497     QCOMPARE(m_model->count(), 0);
 498     QVERIFY(m_model->expandedDirectories().empty());
 499
 500     m_model->loadDirectory(m_testDir->url());
 501     m_model->restoreExpandedDirectories(allFolders);
 502     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 503     QCOMPARE(m_model->count(), 5);  // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 504     QVERIFY(m_model->isExpanded(0));
 505     QVERIFY(m_model->isExpanded(1));
 506     QVERIFY(!m_model->isExpanded(2));
 507     QVERIFY(m_model->isExpanded(3));
 508     QVERIFY(!m_model->isExpanded(4));
 509     QCOMPARE(m_model->expandedDirectories(), allFolders);
 510     QVERIFY(m_model->isConsistent());
 511
 512     // Move to a sub folder, then call restoreExpandedFolders() *before* going back.
 513     // This is how DolphinView restores the expanded folders when navigating in history.
 514     m_model->loadDirectory(KUrl(m_testDir->name() + "a/a/"));
 515     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 516     QCOMPARE(m_model->count(), 1);  // 1 item: "1"
 517     m_model->restoreExpandedDirectories(allFolders);
 518     m_model->loadDirectory(m_testDir->url());
 519     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 520     QCOMPARE(m_model->count(), 5);  // 5 items: "a/", "a/a/", "a/a/1", "a/a-1/", "a/a-1/1"
 521     QCOMPARE(m_model->expandedDirectories(), allFolders);
 522 }
 523
 524 void KFileItemModelTest::testExpandParentItems()
 525 {
 526     // Create a tree structure of folders:
 527     // a 1/
 528     // a 1/b1/
 529     // a 1/b1/c1/
 530     // a2/
 531     // a2/b2/
 532     // a2/b2/c2/
 533     // a2/b2/c2/d2/
 534     QSet<QByteArray> modelRoles = m_model->roles();
 535     modelRoles << "isExpanded" << "isExpandable" << "expandedParentsCount";
 536     m_model->setRoles(modelRoles);
 537
 538     QStringList files;
 539     files << "a 1/b1/c1/file.txt" << "a2/b2/c2/d2/file.txt"; // missing folders are created automatically
 540     m_testDir->createFiles(files);
 541
 542     m_model->loadDirectory(m_testDir->url());
 543     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 544
 545     // So far, the model contains only "a 1/" and "a2/".
 546     QCOMPARE(m_model->count(), 2);
 547     QVERIFY(m_model->expandedDirectories().empty());
 548
 549     // Expand the parents of "a2/b2/c2".
 550     m_model->expandParentDirectories(KUrl(m_testDir->name() + "a2/b2/c2"));
 551     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 552
 553     // The model should now contain "a 1/", "a2/", "a2/b2/", and "a2/b2/c2/".
 554     // It's important that only the parents of "a1/b1/c1" are expanded.
 555     QCOMPARE(m_model->count(), 4);
 556     QVERIFY(!m_model->isExpanded(0));
 557     QVERIFY(m_model->isExpanded(1));
 558     QVERIFY(m_model->isExpanded(2));
 559     QVERIFY(!m_model->isExpanded(3));
 560
 561     // Expand the parents of "a 1/b1".
 562     m_model->expandParentDirectories(KUrl(m_testDir->name() + "a 1/b1"));
 563     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(directoryLoadingCompleted()), DefaultTimeout));
 564
 565     // The model should now contain "a 1/", "a 1/b1/", "a2/", "a2/b2", and "a2/b2/c2/".
 566     // It's important that only the parents of "a 1/b1/" and "a2/b2/c2/" are expanded.
 567     QCOMPARE(m_model->count(), 5);
 568     QVERIFY(m_model->isExpanded(0));
 569     QVERIFY(!m_model->isExpanded(1));
 570     QVERIFY(m_model->isExpanded(2));
 571     QVERIFY(m_model->isExpanded(3));
 572     QVERIFY(!m_model->isExpanded(4));
 573     QVERIFY(m_model->isConsistent());
 574 }
 575
 576 /**
 577  * Renaming an expanded folder by prepending its name with a dot makes it
 578  * hidden. Verify that this does not cause an inconsistent model state and
 579  * a crash later on, see https://bugs.kde.org/show_bug.cgi?id=311947
 580  */
 581 void KFileItemModelTest::testMakeExpandedItemHidden()
 582 {
 583     QSet<QByteArray> modelRoles = m_model->roles();
 584     modelRoles << "isExpanded" << "isExpandable" << "expandedParentsCount";
 585     m_model->setRoles(modelRoles);
 586
 587     QStringList files;
 588     m_testDir->createFile("1a/2a/3a");
 589     m_testDir->createFile("1a/2a/3b");
 590     m_testDir->createFile("1a/2b");
 591     m_testDir->createFile("1b");
 592
 593     m_model->loadDirectory(m_testDir->url());
 594     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 595
 596     // So far, the model contains only "1a/" and "1b".
 597     QCOMPARE(m_model->count(), 2);
 598     m_model->setExpanded(0, true);
 599     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 600
 601     // Now "1a/2a" and "1a/2b" have appeared.
 602     QCOMPARE(m_model->count(), 4);
 603     m_model->setExpanded(1, true);
 604     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 605     QCOMPARE(m_model->count(), 6);
 606
 607     // Rename "1a/2" and make it hidden.
 608     const QString oldPath = m_model->fileItem(0).url().path() + "/2a";
 609     const QString newPath = m_model->fileItem(0).url().path() + "/.2a";
 610
 611     KIO::SimpleJob* job = KIO::rename(oldPath, newPath, KIO::HideProgressInfo);
 612     bool ok = job->exec();
 613     QVERIFY(ok);
 614     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsRemoved(KItemRangeList)), DefaultTimeout));
 615
 616     // "1a/2" and its subfolders have disappeared now.
 617     QVERIFY(m_model->isConsistent());
 618     QCOMPARE(m_model->count(), 3);
 619
 620     m_model->setExpanded(0, false);
 621     QCOMPARE(m_model->count(), 2);
 622
 623 }
 624
 625 void KFileItemModelTest::testSorting()
 626 {
 627     // Create some files with different sizes and modification times to check the different sorting options
 628     QDateTime now = QDateTime::currentDateTime();
 629
 630     QSet<QByteArray> roles;
 631     roles.insert("text");
 632     roles.insert("isExpanded");
 633     roles.insert("isExpandable");
 634     roles.insert("expandedParentsCount");
 635     m_model->setRoles(roles);
 636
 637     m_testDir->createDir("c/c-2");
 638     m_testDir->createFile("c/c-2/c-3");
 639     m_testDir->createFile("c/c-1");
 640
 641     m_testDir->createFile("a", "A file", now.addDays(-3));
 642     m_testDir->createFile("b", "A larger file", now.addDays(0));
 643     m_testDir->createDir("c", now.addDays(-2));
 644     m_testDir->createFile("d", "The largest file in this directory", now.addDays(-1));
 645     m_testDir->createFile("e", "An even larger file", now.addDays(-4));
 646     m_testDir->createFile(".f");
 647
 648     m_model->loadDirectory(m_testDir->url());
 649     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 650
 651     int index = m_model->index(KUrl(m_testDir->url().url() + 'c'));
 652     m_model->setExpanded(index, true);
 653     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 654
 655     index = m_model->index(KUrl(m_testDir->url().url() + "c/c-2"));
 656     m_model->setExpanded(index, true);
 657     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 658
 659     // Default: Sort by Name, ascending
 660     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 661     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 662     QVERIFY(m_model->sortDirectoriesFirst());
 663     QVERIFY(!m_model->showHiddenFiles());
 664     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "a" << "b" << "d" << "e");
 665
 666     QSignalSpy spyItemsMoved(m_model, SIGNAL(itemsMoved(KItemRange,QList<int>)));
 667
 668     // Sort by Name, ascending, 'Sort Folders First' disabled
 669     m_model->setSortDirectoriesFirst(false);
 670     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 671     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 672     QCOMPARE(itemsInModel(), QStringList() << "a" << "b" << "c" << "c-1" << "c-2" << "c-3" << "d" << "e");
 673     QCOMPARE(spyItemsMoved.count(), 1);
 674     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1 << 6 << 7);
 675
 676     // Sort by Name, descending
 677     m_model->setSortDirectoriesFirst(true);
 678     m_model->setSortOrder(Qt::DescendingOrder);
 679     QCOMPARE(m_model->sortRole(), QByteArray("text"));
 680     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
 681     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "e" << "d" << "b" << "a");
 682     QCOMPARE(spyItemsMoved.count(), 2);
 683     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 4 << 5 << 0 << 3 << 1 << 2 << 6 << 7);
 684     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 1 << 2 << 3 << 7 << 6 << 5 << 4);
 685
 686     // Sort by Date, descending
 687     m_model->setSortDirectoriesFirst(true);
 688     m_model->setSortRole("date");
 689     QCOMPARE(m_model->sortRole(), QByteArray("date"));
 690     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
 691     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "b" << "d" << "a" << "e");
 692     QCOMPARE(spyItemsMoved.count(), 1);
 693     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 1 << 2 << 3 << 7 << 5 << 4 << 6);
 694
 695     // Sort by Date, ascending
 696     m_model->setSortOrder(Qt::AscendingOrder);
 697     QCOMPARE(m_model->sortRole(), QByteArray("date"));
 698     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 699     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "e" << "a" << "d" << "b");
 700     QCOMPARE(spyItemsMoved.count(), 1);
 701     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 1 << 2 << 3 << 7 << 6 << 5 << 4);
 702
 703     // Sort by Date, ascending, 'Sort Folders First' disabled
 704     m_model->setSortDirectoriesFirst(false);
 705     QCOMPARE(m_model->sortRole(), QByteArray("date"));
 706     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 707     QVERIFY(!m_model->sortDirectoriesFirst());
 708     QCOMPARE(itemsInModel(), QStringList() << "e" << "a" << "c" << "c-1" << "c-2" << "c-3" << "d" << "b");
 709     QCOMPARE(spyItemsMoved.count(), 1);
 710     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 2 << 4 << 5 << 3 << 0 << 1 << 6 << 7);
 711
 712     // Sort by Name, ascending, 'Sort Folders First' disabled
 713     m_model->setSortRole("text");
 714     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 715     QVERIFY(!m_model->sortDirectoriesFirst());
 716     QCOMPARE(itemsInModel(), QStringList() << "a" << "b" << "c" << "c-1" << "c-2" << "c-3" << "d" << "e");
 717     QCOMPARE(spyItemsMoved.count(), 1);
 718     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 7 << 0 << 2 << 3 << 4 << 5 << 6 << 1);
 719
 720     // Sort by Size, ascending, 'Sort Folders First' disabled
 721     m_model->setSortRole("size");
 722     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 723     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 724     QVERIFY(!m_model->sortDirectoriesFirst());
 725     QCOMPARE(itemsInModel(), QStringList() << "c" << "c-2" << "c-3" << "c-1" << "a" << "b" << "e" << "d");
 726     QCOMPARE(spyItemsMoved.count(), 1);
 727     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 4 << 5 << 0 << 3 << 1 << 2 << 7 << 6);
 728
 729     QSKIP("2 tests of testSorting() are temporary deactivated as in KFileItemModel resortAllItems() "
 730           "always emits a itemsMoved() signal. Before adjusting the tests think about probably introducing "
 731           "another signal", SkipSingle);
 732     // Internal note: Check comment in KFileItemModel::resortAllItems() for details.
 733
 734     // In 'Sort by Size' mode, folders are always first -> changing 'Sort Folders First' does not resort the model
 735     m_model->setSortDirectoriesFirst(true);
 736     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 737     QCOMPARE(m_model->sortOrder(), Qt::AscendingOrder);
 738     QVERIFY(m_model->sortDirectoriesFirst());
 739     QCOMPARE(itemsInModel(), QStringList() << "c" << "a" << "b" << "e" << "d");
 740     QCOMPARE(spyItemsMoved.count(), 0);
 741
 742     // Sort by Size, descending, 'Sort Folders First' enabled
 743     m_model->setSortOrder(Qt::DescendingOrder);
 744     QCOMPARE(m_model->sortRole(), QByteArray("size"));
 745     QCOMPARE(m_model->sortOrder(), Qt::DescendingOrder);
 746     QVERIFY(m_model->sortDirectoriesFirst());
 747     QCOMPARE(itemsInModel(), QStringList() << "c" << "d" << "e" << "b" << "a");
 748     QCOMPARE(spyItemsMoved.count(), 1);
 749     QCOMPARE(spyItemsMoved.takeFirst().at(1).value<QList<int> >(), QList<int>() << 0 << 4 << 3 << 2 << 1);
 750
 751     // TODO: Sort by other roles; show/hide hidden files
 752 }
 753
 754 void KFileItemModelTest::testIndexForKeyboardSearch()
 755 {
 756     QStringList files;
 757     files << "a" << "aa" << "Image.jpg" << "Image.png" << "Text" << "Text1" << "Text2" << "Text11";
 758     m_testDir->createFiles(files);
 759
 760     m_model->loadDirectory(m_testDir->url());
 761     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 762
 763     // Search from index 0
 764     QCOMPARE(m_model->indexForKeyboardSearch("a", 0), 0);
 765     QCOMPARE(m_model->indexForKeyboardSearch("aa", 0), 1);
 766     QCOMPARE(m_model->indexForKeyboardSearch("i", 0), 2);
 767     QCOMPARE(m_model->indexForKeyboardSearch("image", 0), 2);
 768     QCOMPARE(m_model->indexForKeyboardSearch("image.jpg", 0), 2);
 769     QCOMPARE(m_model->indexForKeyboardSearch("image.png", 0), 3);
 770     QCOMPARE(m_model->indexForKeyboardSearch("t", 0), 4);
 771     QCOMPARE(m_model->indexForKeyboardSearch("text", 0), 4);
 772     QCOMPARE(m_model->indexForKeyboardSearch("text1", 0), 5);
 773     QCOMPARE(m_model->indexForKeyboardSearch("text2", 0), 6);
 774     QCOMPARE(m_model->indexForKeyboardSearch("text11", 0), 7);
 775
 776     // Start a search somewhere in the middle
 777     QCOMPARE(m_model->indexForKeyboardSearch("a", 1), 1);
 778     QCOMPARE(m_model->indexForKeyboardSearch("i", 3), 3);
 779     QCOMPARE(m_model->indexForKeyboardSearch("t", 5), 5);
 780     QCOMPARE(m_model->indexForKeyboardSearch("text1", 6), 7);
 781
 782     // Test searches that go past the last item back to index 0
 783     QCOMPARE(m_model->indexForKeyboardSearch("a", 2), 0);
 784     QCOMPARE(m_model->indexForKeyboardSearch("i", 7), 2);
 785     QCOMPARE(m_model->indexForKeyboardSearch("image.jpg", 3), 2);
 786     QCOMPARE(m_model->indexForKeyboardSearch("text2", 7), 6);
 787
 788     // Test searches that yield no result
 789     QCOMPARE(m_model->indexForKeyboardSearch("aaa", 0), -1);
 790     QCOMPARE(m_model->indexForKeyboardSearch("b", 0), -1);
 791     QCOMPARE(m_model->indexForKeyboardSearch("image.svg", 0), -1);
 792     QCOMPARE(m_model->indexForKeyboardSearch("text3", 0), -1);
 793     QCOMPARE(m_model->indexForKeyboardSearch("text3", 5), -1);
 794
 795     // Test upper case searches (note that search is case insensitive)
 796     QCOMPARE(m_model->indexForKeyboardSearch("A", 0), 0);
 797     QCOMPARE(m_model->indexForKeyboardSearch("aA", 0), 1);
 798     QCOMPARE(m_model->indexForKeyboardSearch("TexT", 5), 5);
 799     QCOMPARE(m_model->indexForKeyboardSearch("IMAGE", 4), 2);
 800
 801     // TODO: Maybe we should also test keyboard searches in directories which are not sorted by Name?
 802 }
 803
 804 void KFileItemModelTest::testNameFilter()
 805 {
 806     QStringList files;
 807     files << "A1" << "A2" << "Abc" << "Bcd" << "Cde";
 808     m_testDir->createFiles(files);
 809
 810     m_model->loadDirectory(m_testDir->url());
 811     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 812
 813     m_model->setNameFilter("A"); // Shows A1, A2 and Abc
 814     QCOMPARE(m_model->count(), 3);
 815
 816     m_model->setNameFilter("A2"); // Shows only A2
 817     QCOMPARE(m_model->count(), 1);
 818
 819     m_model->setNameFilter("A2"); // Shows only A1
 820     QCOMPARE(m_model->count(), 1);
 821
 822     m_model->setNameFilter("Bc"); // Shows "Abc" and "Bcd"
 823     QCOMPARE(m_model->count(), 2);
 824
 825     m_model->setNameFilter("bC"); // Shows "Abc" and "Bcd"
 826     QCOMPARE(m_model->count(), 2);
 827
 828     m_model->setNameFilter(QString()); // Shows again all items
 829     QCOMPARE(m_model->count(), 5);
 830 }
 831
 832 /**
 833  * Verifies that we do not crash when adding a KFileItem with an empty path.
 834  * Before this issue was fixed, KFileItemModel::expandedParentsCountCompare()
 835  * tried to always read the first character of the path, even if the path is empty.
 836  */
 837 void KFileItemModelTest::testEmptyPath()
 838 {
 839     QSet<QByteArray> roles;
 840     roles.insert("text");
 841     roles.insert("isExpanded");
 842     roles.insert("isExpandable");
 843     roles.insert("expandedParentsCount");
 844     m_model->setRoles(roles);
 845
 846     const KUrl emptyUrl;
 847     QVERIFY(emptyUrl.path().isEmpty());
 848
 849     const KUrl url("file:///test/");
 850
 851     KFileItemList items;
 852     items << KFileItem(emptyUrl, QString(), KFileItem::Unknown) << KFileItem(url, QString(), KFileItem::Unknown);
 853     m_model->slotItemsAdded(emptyUrl, items);
 854     m_model->slotCompleted();
 855 }
 856
 857 /**
 858  * Verify that removing hidden files and folders from the model does not
 859  * result in a crash, see https://bugs.kde.org/show_bug.cgi?id=314046
 860  */
 861 void KFileItemModelTest::testRemoveHiddenItems()
 862 {
 863     m_testDir->createDir(".a");
 864     m_testDir->createDir(".b");
 865     m_testDir->createDir("c");
 866     m_testDir->createDir("d");
 867     m_testDir->createFiles(QStringList() << ".f" << ".g" << "h" << "i");
 868
 869     QSignalSpy spyItemsInserted(m_model, SIGNAL(itemsInserted(KItemRangeList)));
 870     QSignalSpy spyItemsRemoved(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 871
 872     m_model->setShowHiddenFiles(true);
 873     m_model->loadDirectory(m_testDir->url());
 874     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 875     QCOMPARE(itemsInModel(), QStringList() << ".a" << ".b" << "c" << "d" <<".f" << ".g" << "h" << "i");
 876     QCOMPARE(spyItemsInserted.count(), 1);
 877     QCOMPARE(spyItemsRemoved.count(), 0);
 878     KItemRangeList itemRangeList = spyItemsInserted.takeFirst().at(0).value<KItemRangeList>();
 879     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 8));
 880
 881     m_model->setShowHiddenFiles(false);
 882     QCOMPARE(itemsInModel(), QStringList() << "c" << "d" << "h" << "i");
 883     QCOMPARE(spyItemsInserted.count(), 0);
 884     QCOMPARE(spyItemsRemoved.count(), 1);
 885     itemRangeList = spyItemsRemoved.takeFirst().at(0).value<KItemRangeList>();
 886     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 2) << KItemRange(4, 2));
 887
 888     m_model->setShowHiddenFiles(true);
 889     QCOMPARE(itemsInModel(), QStringList() << ".a" << ".b" << "c" << "d" <<".f" << ".g" << "h" << "i");
 890     QCOMPARE(spyItemsInserted.count(), 1);
 891     QCOMPARE(spyItemsRemoved.count(), 0);
 892     itemRangeList = spyItemsInserted.takeFirst().at(0).value<KItemRangeList>();
 893     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 2) << KItemRange(2, 2));
 894
 895     m_model->clear();
 896     QCOMPARE(itemsInModel(), QStringList());
 897     QCOMPARE(spyItemsInserted.count(), 0);
 898     QCOMPARE(spyItemsRemoved.count(), 1);
 899     itemRangeList = spyItemsRemoved.takeFirst().at(0).value<KItemRangeList>();
 900     QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(0, 8));
 901
 902     // Hiding hidden files makes the dir lister emit its itemsDeleted signal.
 903     // Verify that this does not make the model crash.
 904     m_model->setShowHiddenFiles(false);
 905 }
 906
 907 /**
 908  * Verify that filtered items are removed when their parent is deleted.
 909  */
 910 void KFileItemModelTest::removeParentOfHiddenItems()
 911 {
 912     QSet<QByteArray> modelRoles = m_model->roles();
 913     modelRoles << "isExpanded" << "isExpandable" << "expandedParentsCount";
 914     m_model->setRoles(modelRoles);
 915
 916     QStringList files;
 917     files << "a/1" << "a/b/1" << "a/b/c/1" << "a/b/c/d/1";
 918     m_testDir->createFiles(files);
 919
 920     m_model->loadDirectory(m_testDir->url());
 921     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 922     QCOMPARE(m_model->count(), 1); // Only "a/"
 923
 924     // Expand "a/".
 925     m_model->setExpanded(0, true);
 926     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 927     QCOMPARE(m_model->count(), 3); // 3 items: "a/", "a/b/", "a/1"
 928
 929     // Expand "a/b/".
 930     m_model->setExpanded(1, true);
 931     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 932     QCOMPARE(m_model->count(), 5); // 5 items: "a/", "a/b/", "a/b/c", "a/b/1", "a/1"
 933
 934     // Expand "a/b/c/".
 935     m_model->setExpanded(2, true);
 936     QVERIFY(QTest::kWaitForSignal(m_model, SIGNAL(itemsInserted(KItemRangeList)), DefaultTimeout));
 937     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"
 938
 939     // Set a name filter that matches nothing -> only the expanded folders remain.
 940     m_model->setNameFilter("xyz");
 941     QCOMPARE(m_model->count(), 3);
 942     QCOMPARE(itemsInModel(), QStringList() << "a" << "b" << "c");
 943
 944     // Simulate the deletion of the directory "a/b/".
 945     QSignalSpy spyItemsRemoved(m_model, SIGNAL(itemsRemoved(KItemRangeList)));
 946     m_model->slotItemsDeleted(KFileItemList() << m_model->fileItem(1));
 947     QCOMPARE(spyItemsRemoved.count(), 1);
 948     QCOMPARE(m_model->count(), 1);
 949     QCOMPARE(itemsInModel(), QStringList() << "a");
 950
 951     // Remove the filter -> only the file "a/1" should appear.
 952     m_model->setNameFilter(QString());
 953     QCOMPARE(m_model->count(), 2);
 954     QCOMPARE(itemsInModel(), QStringList() << "a" << "1");
 955 }
 956
 957 QStringList KFileItemModelTest::itemsInModel() const
 958 {
 959     QStringList items;
 960     for (int i = 0; i < m_model->count(); i++) {
 961         items << m_model->data(i).value("text").toString();
 962     }
 963     return items;
 964 }
 965
 966 QTEST_KDEMAIN(KFileItemModelTest, NoGUI)
 967
 968 #include "kfileitemmodeltest.moc"