emoji test case added

Author: usebeforefree

test/knowledge_collection_tools_test.py

@@ -42,6 +42,24 @@ def test_literal_object_quad(self):
         assert quads[0] in grouped[0]
         assert quads[1] in grouped[0]
 
+    def test_literal_object_quad_with_an_emoticon(self):
+        # JSON-LD equivalent of the quads being tested:
+        #
+        # {
+        #   "@context": "http://schema.org",
+        #   "@id": "http://example.org/book1",
+        #   "type": "Book",
+        #   "title": "The Great Book"
+        # }
+        quads = [
+            '<http://example.org/book1> <http://schema.org/title> "The Great Book 😀" .',
+            "<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .",
+        ]
+        grouped = kc_tools.group_nquads_by_subject(quads)
+        assert len(grouped) == 1
+        assert quads[0] in grouped[0]
+        assert quads[1] in grouped[0]
+
     def test_literal_with_escape_character(self):
         # JSON-LD equivalent of the quads being tested:
         #