tests/auto/declarative/qdeclarativevisualdatamodel/tst_qdeclarativevisualdatamodel.cpp

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  41 #include <qtest.h>
  42 #include <QtTest/QSignalSpy>
  43 #include <QStandardItemModel>
  44 #include <QtDeclarative/qdeclarativeengine.h>
  45 #include <QtDeclarative/qdeclarativecomponent.h>
  46 #include <QtDeclarative/qdeclarativecontext.h>
  47 #include <QtDeclarative/qdeclarativeexpression.h>
  48 #include <QtDeclarative/qdeclarativeview.h>
  49 #include <private/qdeclarativelistview_p.h>
  50 #include <private/qdeclarativetext_p.h>
  51 #include <private/qdeclarativevisualitemmodel_p.h>
  52 #include <private/qdeclarativevaluetype_p.h>
  53 #include <math.h>
  54
  55 #ifdef Q_OS_SYMBIAN
  56 // In Symbian OS test data is located in applications private dir
  57 #define SRCDIR "."
  58 #endif
  59
  60 static void initStandardTreeModel(QStandardItemModel *model)
  61 {
  62     QStandardItem *item;
  63     item = new QStandardItem(QLatin1String("Row 1 Item"));
  64     model->insertRow(0, item);
  65
  66     item = new QStandardItem(QLatin1String("Row 2 Item"));
  67     item->setCheckable(true);
  68     model->insertRow(1, item);
  69
  70     QStandardItem *childItem = new QStandardItem(QLatin1String("Row 2 Child Item"));
  71     item->setChild(0, childItem);
  72
  73     item = new QStandardItem(QLatin1String("Row 3 Item"));
  74     item->setIcon(QIcon());
  75     model->insertRow(2, item);
  76 }
  77
  78 class SingleRoleModel : public QAbstractListModel
  79 {
  80     Q_OBJECT
  81
  82 public:
  83     SingleRoleModel(QObject *parent = 0) {
  84         QHash<int, QByteArray> roles;
  85         roles.insert(Qt::DisplayRole , "name");
  86         setRoleNames(roles);
  87         list << "one" << "two" << "three" << "four";
  88     }
  89
  90 public slots:
  91     void set(int idx, QString string) {
  92         list[idx] = string;
  93         emit dataChanged(index(idx,0), index(idx,0));
  94     }
  95
  96 protected:
  97     int rowCount(const QModelIndex &parent = QModelIndex()) const {
  98         return list.count();
  99     }
 100     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const {
 101         if (role == Qt::DisplayRole)
 102             return list.at(index.row());
 103         return QVariant();
 104     }
 105
 106 private:
 107     QStringList list;
 108 };
 109
 110
 111 class tst_qdeclarativevisualdatamodel : public QObject
 112 {
 113     Q_OBJECT
 114 public:
 115     tst_qdeclarativevisualdatamodel();
 116
 117 private slots:
 118     void rootIndex();
 119     void updateLayout();
 120     void childChanged();
 121     void objectListModel();
 122     void singleRole();
 123     void modelProperties();
 124     void noDelegate();
 125
 126 private:
 127     QDeclarativeEngine engine;
 128     template<typename T>
 129     T *findItem(QGraphicsObject *parent, const QString &objectName, int index);
 130 };
 131
 132 class DataObject : public QObject
 133 {
 134     Q_OBJECT
 135
 136     Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
 137     Q_PROPERTY(QString color READ color WRITE setColor NOTIFY colorChanged)
 138
 139 public:
 140     DataObject(QObject *parent=0) : QObject(parent) {}
 141     DataObject(const QString &name, const QString &color, QObject *parent=0)
 142         : QObject(parent), m_name(name), m_color(color) { }
 143
 144
 145     QString name() const { return m_name; }
 146     void setName(const QString &name) {
 147         if (name != m_name) {
 148             m_name = name;
 149             emit nameChanged();
 150         }
 151     }
 152
 153     QString color() const { return m_color; }
 154     void setColor(const QString &color) {
 155         if (color != m_color) {
 156             m_color = color;
 157             emit colorChanged();
 158         }
 159     }
 160
 161 signals:
 162     void nameChanged();
 163     void colorChanged();
 164
 165 private:
 166     QString m_name;
 167     QString m_color;
 168 };
 169
 170 tst_qdeclarativevisualdatamodel::tst_qdeclarativevisualdatamodel()
 171 {
 172 }
 173
 174 void tst_qdeclarativevisualdatamodel::rootIndex()
 175 {
 176     QDeclarativeEngine engine;
 177     QDeclarativeComponent c(&engine, QUrl::fromLocalFile(SRCDIR "/data/visualdatamodel.qml"));
 178
 179     QStandardItemModel model;
 180     initStandardTreeModel(&model);
 181
 182     engine.rootContext()->setContextProperty("myModel", &model);
 183
 184     QDeclarativeVisualDataModel *obj = qobject_cast<QDeclarativeVisualDataModel*>(c.create());
 185     QVERIFY(obj != 0);
 186
 187     QMetaObject::invokeMethod(obj, "setRoot");
 188     QVERIFY(qvariant_cast<QModelIndex>(obj->rootIndex()) == model.index(0,0));
 189
 190     QMetaObject::invokeMethod(obj, "setRootToParent");
 191     QVERIFY(qvariant_cast<QModelIndex>(obj->rootIndex()) == QModelIndex());
 192
 193     QMetaObject::invokeMethod(obj, "setRoot");
 194     QVERIFY(qvariant_cast<QModelIndex>(obj->rootIndex()) == model.index(0,0));
 195     model.clear(); // will emit modelReset()
 196     QVERIFY(qvariant_cast<QModelIndex>(obj->rootIndex()) == QModelIndex());
 197
 198     delete obj;
 199 }
 200
 201 void tst_qdeclarativevisualdatamodel::updateLayout()
 202 {
 203     QDeclarativeView view;
 204
 205     QStandardItemModel model;
 206     initStandardTreeModel(&model);
 207
 208     view.rootContext()->setContextProperty("myModel", &model);
 209
 210     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/datalist.qml"));
 211
 212     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 213     QVERIFY(listview != 0);
 214
 215     QDeclarativeItem *contentItem = listview->contentItem();
 216     QVERIFY(contentItem != 0);
 217
 218     QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "display", 0);
 219     QVERIFY(name);
 220     QCOMPARE(name->text(), QString("Row 1 Item"));
 221     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 222     QVERIFY(name);
 223     QCOMPARE(name->text(), QString("Row 2 Item"));
 224     name = findItem<QDeclarativeText>(contentItem, "display", 2);
 225     QVERIFY(name);
 226     QCOMPARE(name->text(), QString("Row 3 Item"));
 227
 228     model.invisibleRootItem()->sortChildren(0, Qt::DescendingOrder);
 229
 230     name = findItem<QDeclarativeText>(contentItem, "display", 0);
 231     QVERIFY(name);
 232     QCOMPARE(name->text(), QString("Row 3 Item"));
 233     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 234     QVERIFY(name);
 235     QCOMPARE(name->text(), QString("Row 2 Item"));
 236     name = findItem<QDeclarativeText>(contentItem, "display", 2);
 237     QVERIFY(name);
 238     QCOMPARE(name->text(), QString("Row 1 Item"));
 239 }
 240
 241 void tst_qdeclarativevisualdatamodel::childChanged()
 242 {
 243     QDeclarativeView view;
 244
 245     QStandardItemModel model;
 246     initStandardTreeModel(&model);
 247
 248     view.rootContext()->setContextProperty("myModel", &model);
 249
 250     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/datalist.qml"));
 251
 252     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 253     QVERIFY(listview != 0);
 254
 255     QDeclarativeItem *contentItem = listview->contentItem();
 256     QVERIFY(contentItem != 0);
 257
 258     QDeclarativeVisualDataModel *vdm = listview->findChild<QDeclarativeVisualDataModel*>("visualModel");
 259     vdm->setRootIndex(QVariant::fromValue(model.indexFromItem(model.item(1,0))));
 260
 261     QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "display", 0);
 262     QVERIFY(name);
 263     QCOMPARE(name->text(), QString("Row 2 Child Item"));
 264
 265     model.item(1,0)->child(0,0)->setText("Row 2 updated child");
 266
 267     name = findItem<QDeclarativeText>(contentItem, "display", 0);
 268     QVERIFY(name);
 269     QCOMPARE(name->text(), QString("Row 2 updated child"));
 270
 271     model.item(1,0)->appendRow(new QStandardItem(QLatin1String("Row 2 Child Item 2")));
 272     QTest::qWait(300);
 273
 274     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 275     QVERIFY(name != 0);
 276     QCOMPARE(name->text(), QString("Row 2 Child Item 2"));
 277
 278     model.item(1,0)->takeRow(1);
 279     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 280     QVERIFY(name == 0);
 281
 282     vdm->setRootIndex(QVariant::fromValue(QModelIndex()));
 283     QTest::qWait(300);
 284     name = findItem<QDeclarativeText>(contentItem, "display", 0);
 285     QVERIFY(name);
 286     QCOMPARE(name->text(), QString("Row 1 Item"));
 287     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 288     QVERIFY(name);
 289     QCOMPARE(name->text(), QString("Row 2 Item"));
 290     name = findItem<QDeclarativeText>(contentItem, "display", 2);
 291     QVERIFY(name);
 292     QCOMPARE(name->text(), QString("Row 3 Item"));
 293 }
 294
 295 void tst_qdeclarativevisualdatamodel::objectListModel()
 296 {
 297     QDeclarativeView view;
 298
 299     QList<QObject*> dataList;
 300     dataList.append(new DataObject("Item 1", "red"));
 301     dataList.append(new DataObject("Item 2", "green"));
 302     dataList.append(new DataObject("Item 3", "blue"));
 303     dataList.append(new DataObject("Item 4", "yellow"));
 304
 305     QDeclarativeContext *ctxt = view.rootContext();
 306     ctxt->setContextProperty("myModel", QVariant::fromValue(dataList));
 307
 308     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/objectlist.qml"));
 309
 310     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 311     QVERIFY(listview != 0);
 312
 313     QDeclarativeItem *contentItem = listview->contentItem();
 314     QVERIFY(contentItem != 0);
 315
 316     QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "name", 0);
 317     QCOMPARE(name->text(), QString("Item 1"));
 318
 319     QDeclarativeText *section = findItem<QDeclarativeText>(contentItem, "section", 0);
 320     QCOMPARE(section->text(), QString("Item 1"));
 321
 322     dataList[0]->setProperty("name", QLatin1String("Changed"));
 323     QCOMPARE(name->text(), QString("Changed"));
 324 }
 325
 326 void tst_qdeclarativevisualdatamodel::singleRole()
 327 {
 328     {
 329         QDeclarativeView view;
 330
 331         SingleRoleModel model;
 332
 333         QDeclarativeContext *ctxt = view.rootContext();
 334         ctxt->setContextProperty("myModel", &model);
 335
 336         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/singlerole1.qml"));
 337
 338         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 339         QVERIFY(listview != 0);
 340
 341         QDeclarativeItem *contentItem = listview->contentItem();
 342         QVERIFY(contentItem != 0);
 343
 344         QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "name", 1);
 345         QCOMPARE(name->text(), QString("two"));
 346
 347         model.set(1, "Changed");
 348         QCOMPARE(name->text(), QString("Changed"));
 349     }
 350     {
 351         QDeclarativeView view;
 352
 353         SingleRoleModel model;
 354
 355         QDeclarativeContext *ctxt = view.rootContext();
 356         ctxt->setContextProperty("myModel", &model);
 357
 358         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/singlerole2.qml"));
 359
 360         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 361         QVERIFY(listview != 0);
 362
 363         QDeclarativeItem *contentItem = listview->contentItem();
 364         QVERIFY(contentItem != 0);
 365
 366         QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "name", 1);
 367         QCOMPARE(name->text(), QString("two"));
 368
 369         model.set(1, "Changed");
 370         QCOMPARE(name->text(), QString("Changed"));
 371     }
 372 }
 373
 374 void tst_qdeclarativevisualdatamodel::modelProperties()
 375 {
 376     {
 377         QDeclarativeView view;
 378
 379         SingleRoleModel model;
 380
 381         QDeclarativeContext *ctxt = view.rootContext();
 382         ctxt->setContextProperty("myModel", &model);
 383
 384         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/modelproperties.qml"));
 385
 386         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 387         QVERIFY(listview != 0);
 388
 389         QDeclarativeItem *contentItem = listview->contentItem();
 390         QVERIFY(contentItem != 0);
 391
 392         QDeclarativeItem *delegate = findItem<QDeclarativeItem>(contentItem, "delegate", 1);
 393         QCOMPARE(delegate->property("test1").toString(),QString("two"));
 394         QCOMPARE(delegate->property("test2").toString(),QString("two"));
 395         QCOMPARE(delegate->property("test3").toString(),QString("two"));
 396         QCOMPARE(delegate->property("test4").toString(),QString("two"));
 397         QVERIFY(!delegate->property("test9").isValid());
 398         QCOMPARE(delegate->property("test5").toString(),QString(""));
 399         QVERIFY(delegate->property("test6").value<QObject*>() != 0);
 400         QCOMPARE(delegate->property("test7").toInt(),1);
 401         QCOMPARE(delegate->property("test8").toInt(),1);
 402     }
 403
 404     {
 405         QDeclarativeView view;
 406
 407         QList<QObject*> dataList;
 408         dataList.append(new DataObject("Item 1", "red"));
 409         dataList.append(new DataObject("Item 2", "green"));
 410         dataList.append(new DataObject("Item 3", "blue"));
 411         dataList.append(new DataObject("Item 4", "yellow"));
 412
 413         QDeclarativeContext *ctxt = view.rootContext();
 414         ctxt->setContextProperty("myModel", QVariant::fromValue(dataList));
 415
 416         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/modelproperties.qml"));
 417
 418         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 419         QVERIFY(listview != 0);
 420
 421         QDeclarativeItem *contentItem = listview->contentItem();
 422         QVERIFY(contentItem != 0);
 423
 424         QDeclarativeItem *delegate = findItem<QDeclarativeItem>(contentItem, "delegate", 1);
 425         QCOMPARE(delegate->property("test1").toString(),QString("Item 2"));
 426         QEXPECT_FAIL("", "QTBUG-13576", Continue);
 427         QCOMPARE(delegate->property("test2").toString(),QString("Item 2"));
 428         QVERIFY(qobject_cast<DataObject*>(delegate->property("test3").value<QObject*>()) != 0);
 429         QVERIFY(qobject_cast<DataObject*>(delegate->property("test4").value<QObject*>()) != 0);
 430         QCOMPARE(delegate->property("test5").toString(),QString("Item 2"));
 431         QCOMPARE(delegate->property("test9").toString(),QString("Item 2"));
 432         QVERIFY(delegate->property("test6").value<QObject*>() != 0);
 433         QCOMPARE(delegate->property("test7").toInt(),1);
 434         QCOMPARE(delegate->property("test8").toInt(),1);
 435     }
 436
 437     {
 438         QDeclarativeView view;
 439
 440         QStandardItemModel model;
 441         initStandardTreeModel(&model);
 442
 443         view.rootContext()->setContextProperty("myModel", &model);
 444
 445         QUrl source(QUrl::fromLocalFile(SRCDIR "/data/modelproperties2.qml"));
 446
 447         //3 items, 3 warnings each
 448         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":11: ReferenceError: Can't find variable: modelData");
 449         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":11: ReferenceError: Can't find variable: modelData");
 450         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":11: ReferenceError: Can't find variable: modelData");
 451         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":9: ReferenceError: Can't find variable: modelData");
 452         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":9: ReferenceError: Can't find variable: modelData");
 453         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":9: ReferenceError: Can't find variable: modelData");
 454         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":15: TypeError: Result of expression 'model.modelData' [undefined] is not an object.");
 455         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":15: TypeError: Result of expression 'model.modelData' [undefined] is not an object.");
 456         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":15: TypeError: Result of expression 'model.modelData' [undefined] is not an object.");
 457
 458         view.setSource(source);
 459
 460         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 461         QVERIFY(listview != 0);
 462
 463         QDeclarativeItem *contentItem = listview->contentItem();
 464         QVERIFY(contentItem != 0);
 465
 466         QDeclarativeItem *delegate = findItem<QDeclarativeItem>(contentItem, "delegate", 1);
 467         QCOMPARE(delegate->property("test1").toString(),QString("Row 2 Item"));
 468         QCOMPARE(delegate->property("test2").toString(),QString("Row 2 Item"));
 469         QVERIFY(!delegate->property("test3").isValid());
 470         QVERIFY(!delegate->property("test4").isValid());
 471         QVERIFY(!delegate->property("test5").isValid());
 472         QVERIFY(!delegate->property("test9").isValid());
 473         QVERIFY(delegate->property("test6").value<QObject*>() != 0);
 474         QCOMPARE(delegate->property("test7").toInt(),1);
 475         QCOMPARE(delegate->property("test8").toInt(),1);
 476     }
 477
 478     //### should also test QStringList and QVariantList
 479 }
 480
 481 void tst_qdeclarativevisualdatamodel::noDelegate()
 482 {
 483     QDeclarativeView view;
 484
 485     QStandardItemModel model;
 486     initStandardTreeModel(&model);
 487
 488     view.rootContext()->setContextProperty("myModel", &model);
 489
 490     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/datalist.qml"));
 491
 492     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 493     QVERIFY(listview != 0);
 494
 495     QDeclarativeVisualDataModel *vdm = listview->findChild<QDeclarativeVisualDataModel*>("visualModel");
 496     QVERIFY(vdm != 0);
 497     QCOMPARE(vdm->count(), 3);
 498
 499     vdm->setDelegate(0);
 500     QCOMPARE(vdm->count(), 0);
 501 }
 502
 503
 504 template<typename T>
 505 T *tst_qdeclarativevisualdatamodel::findItem(QGraphicsObject *parent, const QString &objectName, int index)
 506 {
 507     const QMetaObject &mo = T::staticMetaObject;
 508     //qDebug() << parent->childItems().count() << "children";
 509     for (int i = 0; i < parent->childItems().count(); ++i) {
 510         QDeclarativeItem *item = qobject_cast<QDeclarativeItem*>(parent->childItems().at(i));
 511         if(!item)
 512             continue;
 513         //qDebug() << "try" << item;
 514         if (mo.cast(item) && (objectName.isEmpty() || item->objectName() == objectName)) {
 515             if (index != -1) {
 516                 QDeclarativeExpression e(qmlContext(item), item, "index");
 517                 if (e.evaluate().toInt() == index)
 518                     return static_cast<T*>(item);
 519             } else {
 520                 return static_cast<T*>(item);
 521             }
 522         }
 523         item = findItem<T>(item, objectName, index);
 524         if (item)
 525         return static_cast<T*>(item);
 526     }
 527
 528     return 0;
 529 }
 530
 531 QTEST_MAIN(tst_qdeclarativevisualdatamodel)
 532
 533 #include "tst_qdeclarativevisualdatamodel.moc"