Fixed minor issues and enhancements

tests/parsers/test_SyaNodeParser.py

@@ -776,7 +776,7 @@ class TestSyaNodeParser(TestUsingMemoryBasedSheerka):
         ("(one infix two) (three prefixed)", ["one", "two", "infix", "three", "prefixed"]),
     ])
     def test_i_can_post_fix_sequences(self, expression, expected):
-        sheerka, context, parser = self.init_parser(cmap, None)
+        sheerka, context, parser = self.init_parser()
 
         res = parser.infix_to_postfix(context, expression)
         expected_array = compute_expected_array(cmap, expression, expected)
@@ -784,6 +784,24 @@ class TestSyaNodeParser(TestUsingMemoryBasedSheerka):
         assert len(res) == 1
         assert res[0].out == expected_array
 
+    @pytest.mark.parametrize("expression", [
+        "one ? two : three",
+        "one?two:three",
+        "one ?two:three",
+        "one? two:three",
+        "one ? two :three",
+        "one ? two: three",
+    ])
+    def test_whitespaces_may_be_omitted_in_some_circumstances(self, expression):
+        sheerka, context, parser = self.init_parser()
+
+        expected = ["one", "two", "three", "?"]
+        res = parser.infix_to_postfix(context, expression)
+        expected_array = compute_expected_array(cmap, expression, expected)
+
+        assert len(res) == 1
+        assert res[0].out == expected_array
+
     def test_the_more_concepts_the_more_results(self):
         concepts_map = {
             "plus": Concept("a plus b").def_var("a").def_var("b"),