Test databaseConnection

(cherry picked from commit 37e5f94)

src/core/providers/ogr/qgsogrdataitems.cpp

@@ -505,16 +505,6 @@ QgsAbstractDatabaseProviderConnection *QgsOgrDataCollectionItem::databaseConnect
   return conn;
 }
 
-void QgsOgrDataCollectionItem::setDriverName( const QString &driverName )
-{
-  mDriverName = driverName;
-}
-
-QString QgsOgrDataCollectionItem::driverName() const
-{
-  return mDriverName;
-}
-
 // ---------------------------------------------------------------------------
 
 QString QgsOgrDataItemProvider::name()
@@ -774,7 +764,6 @@ QgsDataItem *QgsOgrDataItemProvider::createDataItem( const QString &pathIn, QgsD
   else if ( numLayers > 1 || sOgrSupportedDbDriverNames.contains( driverName ) )
   {
     item = new QgsOgrDataCollectionItem( parentItem, name, path );
-    qobject_cast<QgsOgrDataCollectionItem *>( item )->setDriverName( driverName );
   }
   else
   {

src/core/providers/ogr/qgsogrdataitems.h

@@ -135,21 +135,6 @@ class CORE_EXPORT QgsOgrDataCollectionItem final: public QgsDataCollectionItem
 
     QgsAbstractDatabaseProviderConnection *databaseConnection() const override;
 
-    /**
-     * Sets GDAL driver name.
-     * \since QGIS 3.18
-     */
-    void setDriverName( const QString &driverName );
-
-    /**
-     * Returns GDAL driver name.
-     * \since QGIS 3.18
-     */
-    QString driverName() const;
-
-  private:
-
-    QString mDriverName;
 };
 
 //! Provider for OGR root data item

tests/src/python/test_qgsdataitem.py

@@ -10,9 +10,11 @@
 __date__ = '14/11/2020 late in the night'
 __copyright__ = 'Copyright 2020, The QGIS Project'
 
-from qgis.PyQt.QtCore import QEventLoop
-from qgis.core import QgsDataCollectionItem, QgsLayerItem
 
+import os
+from qgis.PyQt.QtCore import QEventLoop
+from qgis.core import QgsDataCollectionItem, QgsLayerItem, QgsDirectoryItem
+from utilities import unitTestDataPath
 from qgis.testing import start_app, unittest
 
 app = start_app()
@@ -63,9 +65,10 @@ def testPythonCreateChildrenCalledFromCplusplus(self):
             # Python object PyQgsLayerItem should still be alive
             self.assertFalse(tabSetDestroyedFlag[0])
 
-            self.assertEqual(len(item.children()), 2)
-            self.assertEqual(item.children()[0].name(), "name")
-            self.assertEqual(item.children()[1].name(), "name2")
+            children = item.children()
+            self.assertEqual(len(children), 2)
+            self.assertEqual(children[0].name(), "name")
+            self.assertEqual(children[1].name(), "name2")
 
             # Delete the object and make sure all deferred deletions are processed
             item.destroyed.connect(loop.quit)
@@ -78,8 +81,17 @@ def testPythonCreateChildrenCalledFromCplusplus(self):
 
     def test_databaseConnection(self):
 
-        from IPython import embed
-        embed(using=False)
+        dataitem = QgsDataCollectionItem(None, 'name', '/invalid_path', 'ogr')
+        self.assertIsNone(dataitem.databaseConnection())
+        dataitem = QgsDirectoryItem(None, 'name', os.path.join(unitTestDataPath(), 'provider'))
+        children = dataitem.createChildren()
+        # Check spatialite and gpkg
+        spatialite_item = [i for i in children if i.path().endswith('spatialite.db')][0]
+        geopackage_item = [i for i in children if i.path().endswith('geopackage.gpkg')][0]
+        textfile_item = [i for i in children if i.path().endswith('.sql')][0]
+        self.assertIsNotNone(spatialite_item.databaseConnection())
+        self.assertIsNotNone(geopackage_item.databaseConnection())
+        self.assertIsNone(textfile_item.databaseConnection())
 
 
 if __name__ == '__main__':