Add failing unit test for RDFLib#1336

test/test_sparql_parser.py

@@ -0,0 +1,28 @@
+from rdflib import Graph, Literal
+from rdflib.namespace import Namespace
+from rdflib.plugins.sparql.parser import parseUpdate
+import unittest
+
+
+class SPARQLParserTests(unittest.TestCase):
+    @unittest.expectedFailure
+    def test_large_insert(self) -> None:
+        resource_count = 50
+        EGV = Namespace("http://example.org/vocab#")
+        EGI = Namespace("http://example.org/instance#")
+        prop0, prop1, prop2 = EGV["prop0"], EGV["prop1"], EGV["prop2"]
+        g0 = Graph()
+        for index in range(resource_count):
+            resource = EGI[f"resource{index}"]
+            g0.add((resource, prop0, Literal(index)))
+            g0.add((resource, prop1, Literal("example resource")))
+            g0.add((resource, prop2, Literal(f"resource #{index}")))
+
+        g0ntriples = g0.serialize(format="ntriples")
+        # g1 = Graph()
+
+        parseUpdate(f"INSERT DATA {{ {g0ntriples!s} }}")
+
+
+if __name__ == "__main__":
+    unittest.main()