add test and fix for issue #126

Author: Matula

pyodata/v2/model.py

@@ -2565,7 +2565,12 @@ def build(self):
             raise TypeError(f'Expected bytes or str type on metadata_xml, got : {type(self._xml)}')
 
         namespaces = self._config.namespaces
-        xml = etree.parse(mdf)
+
+        try:
+            xml = etree.parse(mdf)
+        except etree.XMLSyntaxError as ex:
+            raise PyODataParserError('Metadata document syntax error') from ex
+
         edmx = xml.getroot()
 
         try:

tests/test_model_v2.py

@@ -1449,3 +1449,17 @@ def test_struct_type_has_property_yes():
     struct_type._properties['proprty'] = 'ugly test hack'
 
     assert struct_type.has_proprty('proprty')
+
+def test_invalid_xml(xml_builder_factory):
+    """Test for invalid XML"""
+    xml_builder = xml_builder_factory()
+    xml_builder.add_schema('Test', """
+        <EntityType Name="C_AssetTPType" sap:label="Asset" sap:content-version="1">
+            <Property Name="IN_AssetIsResearchAndDev" Type="Edm.String" sap:label="R & D Asset" sap:quickinfo="India: R & D Asset"/>
+        </EntityType>
+        """)
+    xml = xml_builder.serialize()
+
+    with pytest.raises(PyODataParserError) as e_info:
+        MetadataBuilder(xml).build()
+    assert str(e_info.value) == 'Metadata document syntax error'