[oracle] Some updates to Oracle provider test suite

Now the Oracle provider passes the data provider edit stress/
conformance tests without issue!

tests/src/python/test_provider_oracle.py

@@ -64,7 +64,7 @@ def execSQLCommand(self, sql, ignore_errors=False):
         query.finish()
 
     # disabled: WIP
-    def disabled_getSource(self):
+    def getSource(self):
         # create temporary table for edit tests
         self.execSQLCommand('DROP TABLE "QGIS"."EDIT_DATA"', ignore_errors=True)
         self.execSQLCommand("""CREATE TABLE QGIS.EDIT_DATA ("pk" INTEGER GENERATED by default ON null as IDENTITY(START WITH 1 INCREMENT BY 1) PRIMARY KEY, "cnt" INTEGER, "name" VARCHAR2(100), "name2" VARCHAR2(100), "num_char" VARCHAR2(100), GEOM SDO_GEOMETRY)""")
@@ -80,7 +80,7 @@ def disabled_getSource(self):
         return vl
 
     # disabled: WIP
-    def disabled_getEditableLayer(self):
+    def getEditableLayer(self):
         return self.getSource()
 
     def enableCompiler(self):
@@ -147,6 +147,13 @@ def uncompiledFilters(self):
         ])
         return filters
 
+    def testAddFeatureWrongGeomType(self):
+        """
+        We override this test for Oracle provider, because Oracle DBs don't care
+        about geometry type constraints
+        """
+        pass
+
     # HERE GO THE PROVIDER SPECIFIC TESTS
     def testDateTimeTypes(self):
         vl = QgsVectorLayer('%s table="QGIS"."DATE_TIMES" sql=' %