Testing layoutChanged signal in ComponentProxyModel.

GUI/coregui/Models/ComponentProxyModel.cpp

@@ -171,7 +171,6 @@ void ComponentProxyModel::sourceRowsInserted(const QModelIndex& parent, int star
 
     qDebug() << "ComponentProxyModel::sourceRowsInserted";
     buildModelMap();
-    layoutChanged();
 }
 
 //! Main method to build the map of persistent indeses.
@@ -197,4 +196,5 @@ void ComponentProxyModel::buildModelMap()
 //       qDebug() << " ";
     });
 
+    layoutChanged();
 }

Tests/UnitTests/GUI/TestComponentProxyModel.h

@@ -19,6 +19,7 @@ private slots:
     void test_setModelWithVector();
     void test_displayRole();
     void test_setData();
+    void test_insertRows();
 };
 
 //! Empty proxy model.
@@ -187,3 +188,24 @@ inline void TestComponentProxyModel::test_setData()
     QCOMPARE(model.data(model.index(0, 1, QModelIndex()), Qt::DisplayRole).toDouble(), 3.0);
     QCOMPARE(proxy.data(proxy.index(0, 1, QModelIndex()), Qt::DisplayRole).toDouble(), 3.0);
 }
+
+//! Checks norification of proxy model then source inserts rows.
+
+inline void TestComponentProxyModel::test_insertRows()
+{
+    SessionModel model("TestModel");
+
+    ComponentProxyModel proxy;
+    proxy.setSessionModel(&model);
+
+    QVERIFY(model.hasChildren(QModelIndex()) == false);
+    QVERIFY(proxy.hasChildren(QModelIndex()) == false);
+
+    QSignalSpy spyProxy(&proxy, &ComponentProxyModel::layoutChanged);
+
+    // inserting item in the source
+    model.insertNewItem(Constants::PropertyType);
+    QCOMPARE(spyProxy.count(), 1);
+    QCOMPARE(proxy.rowCount(QModelIndex()), 1);
+}
+