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     delete obj;
 194 }
 195
 196 void tst_qdeclarativevisualdatamodel::updateLayout()
 197 {
 198     QDeclarativeView view;
 199
 200     QStandardItemModel model;
 201     initStandardTreeModel(&model);
 202
 203     view.rootContext()->setContextProperty("myModel", &model);
 204
 205     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/datalist.qml"));
 206
 207     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 208     QVERIFY(listview != 0);
 209
 210     QDeclarativeItem *contentItem = listview->contentItem();
 211     QVERIFY(contentItem != 0);
 212
 213     QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "display", 0);
 214     QVERIFY(name);
 215     QCOMPARE(name->text(), QString("Row 1 Item"));
 216     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 217     QVERIFY(name);
 218     QCOMPARE(name->text(), QString("Row 2 Item"));
 219     name = findItem<QDeclarativeText>(contentItem, "display", 2);
 220     QVERIFY(name);
 221     QCOMPARE(name->text(), QString("Row 3 Item"));
 222
 223     model.invisibleRootItem()->sortChildren(0, Qt::DescendingOrder);
 224
 225     name = findItem<QDeclarativeText>(contentItem, "display", 0);
 226     QVERIFY(name);
 227     QCOMPARE(name->text(), QString("Row 3 Item"));
 228     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 229     QVERIFY(name);
 230     QCOMPARE(name->text(), QString("Row 2 Item"));
 231     name = findItem<QDeclarativeText>(contentItem, "display", 2);
 232     QVERIFY(name);
 233     QCOMPARE(name->text(), QString("Row 1 Item"));
 234 }
 235
 236 void tst_qdeclarativevisualdatamodel::childChanged()
 237 {
 238     QDeclarativeView view;
 239
 240     QStandardItemModel model;
 241     initStandardTreeModel(&model);
 242
 243     view.rootContext()->setContextProperty("myModel", &model);
 244
 245     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/datalist.qml"));
 246
 247     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 248     QVERIFY(listview != 0);
 249
 250     QDeclarativeItem *contentItem = listview->contentItem();
 251     QVERIFY(contentItem != 0);
 252
 253     QDeclarativeVisualDataModel *vdm = listview->findChild<QDeclarativeVisualDataModel*>("visualModel");
 254     vdm->setRootIndex(QVariant::fromValue(model.indexFromItem(model.item(1,0))));
 255
 256     QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "display", 0);
 257     QVERIFY(name);
 258     QCOMPARE(name->text(), QString("Row 2 Child Item"));
 259
 260     model.item(1,0)->child(0,0)->setText("Row 2 updated child");
 261
 262     name = findItem<QDeclarativeText>(contentItem, "display", 0);
 263     QVERIFY(name);
 264     QCOMPARE(name->text(), QString("Row 2 updated child"));
 265
 266     model.item(1,0)->appendRow(new QStandardItem(QLatin1String("Row 2 Child Item 2")));
 267     QTest::qWait(300);
 268
 269     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 270     QVERIFY(name != 0);
 271     QCOMPARE(name->text(), QString("Row 2 Child Item 2"));
 272
 273     model.item(1,0)->takeRow(1);
 274     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 275     QVERIFY(name == 0);
 276
 277     vdm->setRootIndex(QVariant::fromValue(QModelIndex()));
 278     QTest::qWait(300);
 279     name = findItem<QDeclarativeText>(contentItem, "display", 0);
 280     QVERIFY(name);
 281     QCOMPARE(name->text(), QString("Row 1 Item"));
 282     name = findItem<QDeclarativeText>(contentItem, "display", 1);
 283     QVERIFY(name);
 284     QCOMPARE(name->text(), QString("Row 2 Item"));
 285     name = findItem<QDeclarativeText>(contentItem, "display", 2);
 286     QVERIFY(name);
 287     QCOMPARE(name->text(), QString("Row 3 Item"));
 288 }
 289
 290 void tst_qdeclarativevisualdatamodel::objectListModel()
 291 {
 292     QDeclarativeView view;
 293
 294     QList<QObject*> dataList;
 295     dataList.append(new DataObject("Item 1", "red"));
 296     dataList.append(new DataObject("Item 2", "green"));
 297     dataList.append(new DataObject("Item 3", "blue"));
 298     dataList.append(new DataObject("Item 4", "yellow"));
 299
 300     QDeclarativeContext *ctxt = view.rootContext();
 301     ctxt->setContextProperty("myModel", QVariant::fromValue(dataList));
 302
 303     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/objectlist.qml"));
 304
 305     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 306     QVERIFY(listview != 0);
 307
 308     QDeclarativeItem *contentItem = listview->contentItem();
 309     QVERIFY(contentItem != 0);
 310
 311     QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "name", 0);
 312     QCOMPARE(name->text(), QString("Item 1"));
 313
 314     QDeclarativeText *section = findItem<QDeclarativeText>(contentItem, "section", 0);
 315     QCOMPARE(section->text(), QString("Item 1"));
 316
 317     dataList[0]->setProperty("name", QLatin1String("Changed"));
 318     QCOMPARE(name->text(), QString("Changed"));
 319 }
 320
 321 void tst_qdeclarativevisualdatamodel::singleRole()
 322 {
 323     {
 324         QDeclarativeView view;
 325
 326         SingleRoleModel model;
 327
 328         QDeclarativeContext *ctxt = view.rootContext();
 329         ctxt->setContextProperty("myModel", &model);
 330
 331         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/singlerole1.qml"));
 332
 333         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 334         QVERIFY(listview != 0);
 335
 336         QDeclarativeItem *contentItem = listview->contentItem();
 337         QVERIFY(contentItem != 0);
 338
 339         QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "name", 1);
 340         QCOMPARE(name->text(), QString("two"));
 341
 342         model.set(1, "Changed");
 343         QCOMPARE(name->text(), QString("Changed"));
 344     }
 345     {
 346         QDeclarativeView view;
 347
 348         SingleRoleModel model;
 349
 350         QDeclarativeContext *ctxt = view.rootContext();
 351         ctxt->setContextProperty("myModel", &model);
 352
 353         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/singlerole2.qml"));
 354
 355         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 356         QVERIFY(listview != 0);
 357
 358         QDeclarativeItem *contentItem = listview->contentItem();
 359         QVERIFY(contentItem != 0);
 360
 361         QDeclarativeText *name = findItem<QDeclarativeText>(contentItem, "name", 1);
 362         QCOMPARE(name->text(), QString("two"));
 363
 364         model.set(1, "Changed");
 365         QCOMPARE(name->text(), QString("Changed"));
 366     }
 367 }
 368
 369 void tst_qdeclarativevisualdatamodel::modelProperties()
 370 {
 371     {
 372         QDeclarativeView view;
 373
 374         SingleRoleModel model;
 375
 376         QDeclarativeContext *ctxt = view.rootContext();
 377         ctxt->setContextProperty("myModel", &model);
 378
 379         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/modelproperties.qml"));
 380
 381         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 382         QVERIFY(listview != 0);
 383
 384         QDeclarativeItem *contentItem = listview->contentItem();
 385         QVERIFY(contentItem != 0);
 386
 387         QDeclarativeItem *delegate = findItem<QDeclarativeItem>(contentItem, "delegate", 1);
 388         QCOMPARE(delegate->property("test1").toString(),QString("two"));
 389         QCOMPARE(delegate->property("test2").toString(),QString("two"));
 390         QCOMPARE(delegate->property("test3").toString(),QString("two"));
 391         QCOMPARE(delegate->property("test4").toString(),QString("two"));
 392         QVERIFY(!delegate->property("test9").isValid());
 393         QCOMPARE(delegate->property("test5").toString(),QString(""));
 394         QVERIFY(delegate->property("test6").value<QObject*>() != 0);
 395         QCOMPARE(delegate->property("test7").toInt(),1);
 396         QCOMPARE(delegate->property("test8").toInt(),1);
 397     }
 398
 399     {
 400         QDeclarativeView view;
 401
 402         QList<QObject*> dataList;
 403         dataList.append(new DataObject("Item 1", "red"));
 404         dataList.append(new DataObject("Item 2", "green"));
 405         dataList.append(new DataObject("Item 3", "blue"));
 406         dataList.append(new DataObject("Item 4", "yellow"));
 407
 408         QDeclarativeContext *ctxt = view.rootContext();
 409         ctxt->setContextProperty("myModel", QVariant::fromValue(dataList));
 410
 411         view.setSource(QUrl::fromLocalFile(SRCDIR "/data/modelproperties.qml"));
 412
 413         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 414         QVERIFY(listview != 0);
 415
 416         QDeclarativeItem *contentItem = listview->contentItem();
 417         QVERIFY(contentItem != 0);
 418
 419         QDeclarativeItem *delegate = findItem<QDeclarativeItem>(contentItem, "delegate", 1);
 420         QCOMPARE(delegate->property("test1").toString(),QString("Item 2"));
 421         QEXPECT_FAIL("", "QTBUG-13576", Continue);
 422         QCOMPARE(delegate->property("test2").toString(),QString("Item 2"));
 423         QVERIFY(qobject_cast<DataObject*>(delegate->property("test3").value<QObject*>()) != 0);
 424         QVERIFY(qobject_cast<DataObject*>(delegate->property("test4").value<QObject*>()) != 0);
 425         QCOMPARE(delegate->property("test5").toString(),QString("Item 2"));
 426         QCOMPARE(delegate->property("test9").toString(),QString("Item 2"));
 427         QVERIFY(delegate->property("test6").value<QObject*>() != 0);
 428         QCOMPARE(delegate->property("test7").toInt(),1);
 429         QCOMPARE(delegate->property("test8").toInt(),1);
 430     }
 431
 432     {
 433         QDeclarativeView view;
 434
 435         QStandardItemModel model;
 436         initStandardTreeModel(&model);
 437
 438         view.rootContext()->setContextProperty("myModel", &model);
 439
 440         QUrl source(QUrl::fromLocalFile(SRCDIR "/data/modelproperties2.qml"));
 441
 442         //3 items, 3 warnings each
 443         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":11: ReferenceError: Can't find variable: modelData");
 444         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":11: ReferenceError: Can't find variable: modelData");
 445         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":11: ReferenceError: Can't find variable: modelData");
 446         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":9: ReferenceError: Can't find variable: modelData");
 447         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":9: ReferenceError: Can't find variable: modelData");
 448         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":9: ReferenceError: Can't find variable: modelData");
 449         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":15: TypeError: Result of expression 'model.modelData' [undefined] is not an object.");
 450         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":15: TypeError: Result of expression 'model.modelData' [undefined] is not an object.");
 451         QTest::ignoreMessage(QtWarningMsg, source.toString().toLatin1() + ":15: TypeError: Result of expression 'model.modelData' [undefined] is not an object.");
 452
 453         view.setSource(source);
 454
 455         QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 456         QVERIFY(listview != 0);
 457
 458         QDeclarativeItem *contentItem = listview->contentItem();
 459         QVERIFY(contentItem != 0);
 460
 461         QDeclarativeItem *delegate = findItem<QDeclarativeItem>(contentItem, "delegate", 1);
 462         QCOMPARE(delegate->property("test1").toString(),QString("Row 2 Item"));
 463         QCOMPARE(delegate->property("test2").toString(),QString("Row 2 Item"));
 464         QVERIFY(!delegate->property("test3").isValid());
 465         QVERIFY(!delegate->property("test4").isValid());
 466         QVERIFY(!delegate->property("test5").isValid());
 467         QVERIFY(!delegate->property("test9").isValid());
 468         QVERIFY(delegate->property("test6").value<QObject*>() != 0);
 469         QCOMPARE(delegate->property("test7").toInt(),1);
 470         QCOMPARE(delegate->property("test8").toInt(),1);
 471     }
 472
 473     //### should also test QStringList and QVariantList
 474 }
 475
 476 void tst_qdeclarativevisualdatamodel::noDelegate()
 477 {
 478     QDeclarativeView view;
 479
 480     QStandardItemModel model;
 481     initStandardTreeModel(&model);
 482
 483     view.rootContext()->setContextProperty("myModel", &model);
 484
 485     view.setSource(QUrl::fromLocalFile(SRCDIR "/data/datalist.qml"));
 486
 487     QDeclarativeListView *listview = qobject_cast<QDeclarativeListView*>(view.rootObject());
 488     QVERIFY(listview != 0);
 489
 490     QDeclarativeVisualDataModel *vdm = listview->findChild<QDeclarativeVisualDataModel*>("visualModel");
 491     QVERIFY(vdm != 0);
 492     QCOMPARE(vdm->count(), 3);
 493
 494     vdm->setDelegate(0);
 495     QCOMPARE(vdm->count(), 0);
 496 }
 497
 498
 499 template<typename T>
 500 T *tst_qdeclarativevisualdatamodel::findItem(QGraphicsObject *parent, const QString &objectName, int index)
 501 {
 502     const QMetaObject &mo = T::staticMetaObject;
 503     //qDebug() << parent->childItems().count() << "children";
 504     for (int i = 0; i < parent->childItems().count(); ++i) {
 505         QDeclarativeItem *item = qobject_cast<QDeclarativeItem*>(parent->childItems().at(i));
 506         if(!item)
 507             continue;
 508         //qDebug() << "try" << item;
 509         if (mo.cast(item) && (objectName.isEmpty() || item->objectName() == objectName)) {
 510             if (index != -1) {
 511                 QDeclarativeExpression e(qmlContext(item), item, "index");
 512                 if (e.evaluate().toInt() == index)
 513                     return static_cast<T*>(item);
 514             } else {
 515                 return static_cast<T*>(item);
 516             }
 517         }
 518         item = findItem<T>(item, objectName, index);
 519         if (item)
 520         return static_cast<T*>(item);
 521     }
 522
 523     return 0;
 524 }
 525
 526 QTEST_MAIN(tst_qdeclarativevisualdatamodel)
 527
 528 #include "tst_qdeclarativevisualdatamodel.moc"