def test_generate_migration_sparql_commands_when_only_a_triple_of_an_existing_blank_node_is_deleted(self):
ttl_before = self.structure_02_ttl_content
graph_before = ConjunctiveGraph()
graph_before.parse(data=ttl_before, format='turtle')
ttl_after = self.structure_04_ttl_content
graph_after = ConjunctiveGraph()
graph_after.parse(data=ttl_after, format='turtle')
virtuoso_ = Virtuoso(self.config)
query_up, query_down = virtuoso_._generate_migration_sparql_commands(origin_store=graph_after, destination_store=graph_before)
expected_query_up = u'\nSPARQL INSERT INTO <test> { <http://example.com/role> <http://www.w3.org/2000/01/rdf-schema#subClassOf> [<http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> ; <http://www.w3.org/2002/07/owl#minQualifiedCardinality> "1"^^<http://www.w3.org/2001/XMLSchema#integer> ; <http://www.w3.org/2002/07/owl#onClass> <http://example.com/RoleOnSoapOpera> ; <http://www.w3.org/2002/07/owl#onProperty> <http://example.com/play_a_role> ; ] };'
expected_query_down = u'\nSPARQL DELETE FROM <test> { <http://example.com/role> <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?s. ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> ; <http://www.w3.org/2002/07/owl#minQualifiedCardinality> "1"^^<http://www.w3.org/2001/XMLSchema#integer> ; <http://www.w3.org/2002/07/owl#onClass> <http://example.com/RoleOnSoapOpera> ; <http://www.w3.org/2002/07/owl#onProperty> <http://example.com/play_a_role> } WHERE { <http://example.com/role> <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?s. ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> ; <http://www.w3.org/2002/07/owl#minQualifiedCardinality> "1"^^<http://www.w3.org/2001/XMLSchema#integer> ; <http://www.w3.org/2002/07/owl#onClass> <http://example.com/RoleOnSoapOpera> ; <http://www.w3.org/2002/07/owl#onProperty> <http://example.com/play_a_role> };'
self.assertEqual(query_up, expected_query_up)
self.assertEqual(query_down, expected_query_down)
