Added a test for issue 306

test/issues/test_306.py

@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+#
+"""
+https://github.com/RDFLib/pySHACL/issues/306
+Tests double inverse path
+"""
+import sys
+import rdflib
+import pyshacl
+
+shapes_data = '''\
+@prefix sh: <http://www.w3.org/ns/shacl#> .
+@prefix : <https://w3id.org/example#> .
+
+:Shape0 a sh:NodeShape ;
+  sh:targetNode :a0 ;
+  sh:property [
+    sh:path [ sh:inversePath [ sh:inversePath :r0 ] ] ;
+    sh:minCount 1
+  ] .
+'''
+
+data_g_text = '''\
+@prefix : <https://w3id.org/example#> .
+
+:a0 :r0 :a1 .
+'''
+
+
+def test_306():
+    shape_g = rdflib.Graph().parse(data=shapes_data, format='turtle')
+    data_g = rdflib.Graph().parse(data=data_g_text, format="turtle")
+    conforms, results_graph, results_text = pyshacl.validate(
+        data_g,
+        shacl_graph=shape_g,
+        debug=True,
+        inference='none',
+        advanced=False,
+        meta_shacl=False,
+    )
+    assert conforms
+
+if __name__ == "__main__":
+    sys.exit(test_306())