Make _is_valid_absolute_iri also count hash chars.

Author: mielvds

lib/pyld/jsonld.py

@@ -6578,7 +6578,8 @@ def _is_valid_absolute_iri(v):
 
     :return: True if the value is a valid absolute IRI, False if not.
     """
-    return _is_absolute_iri(v) and _is_valid_uri(v)
+    # TODO: _is_valid_uri is flawed, so maybe replace it with something better
+    return _is_absolute_iri(v) and v.count('#') <= 1 and _is_valid_uri(v)
 
 
 def _is_relative_iri(v):

tests/runtests.py

@@ -1017,9 +1017,6 @@ def write(self, filename):
                 # blank node property
                 '.*toRdf-manifest#te075$',
                 '.*toRdf-manifest#te122$',
-                # rel vocab
-                '.*toRdf-manifest#te111$',
-                '.*toRdf-manifest#te112$',
             ]
         },
         'skip': {

tests/test_jsonld.py

@@ -1000,6 +1000,33 @@ def test_format_takes_precedence_over_legacy_mode(self):
             "^^<http://www.w3.org/2001/XMLSchema#double>  .\n\n"
         )
 
+    def test_to_rdf_skips_relative_vocab_property_that_expands_to_invalid_iri(self):
+        """
+        to_rdf should omit property IRIs that expand to invalid RDF IRIs.
+        """
+        input = {
+            "@context": [
+                {
+                    "@version": 1.1,
+                    "@base": "http://example.com/some/deep/directory/and/file/",
+                    "@vocab": "http://example.com/vocabulary/",
+                },
+                {"@vocab": "./rel2#"},
+            ],
+            "@id": "relativePropertyIris",
+            "link": "link",
+            "#fragment-works": "#fragment-works",
+        }
+
+        nquads = jsonld.to_rdf(input, options={'format': 'application/n-quads'})
+
+        assert (
+            '<http://example.com/some/deep/directory/and/file/relativePropertyIris> '
+            '<http://example.com/vocabulary/./rel2#link> '
+            '"link"^^<http://www.w3.org/2001/XMLSchema#string>  .'
+        ) in nquads
+        assert '##fragment-works' not in nquads
+
     def test_large_integer_to_rdf_double_conversion_processing_mode(self):
         """
         In json-ld-1.1 processing mode, large integers should be emitted as xsd:double,