Implemented SheerkaOntology

tests/sheerkapickle/test_SheerkaPickler.py

@@ -2,6 +2,7 @@ import logging
 
 import pytest
 from core.concept import Concept
+from core.global_symbols import NotInit, NotFound, Removed
 from core.tokenizer import Keywords
 from sheerkapickle import tags
 from sheerkapickle.SheerkaPickler import SheerkaPickler
@@ -55,6 +56,19 @@ class TestSheerkaPickler(TestUsingMemoryBasedSheerka):
         decoded = SheerkaUnpickler(sheerka).restore(flatten)
         assert decoded == obj
 
+    @pytest.mark.parametrize("obj, expected", [
+        (NotInit, {tags.CUSTOM: NotInit.value}),
+        (NotFound, {tags.CUSTOM: NotFound.value}),
+        (Removed, {tags.CUSTOM: Removed.value}),
+    ])
+    def test_i_can_flatten_and_restore_custom_types(self, obj, expected):
+        sheerka = self.get_sheerka()
+        flatten = SheerkaPickler(sheerka).flatten(obj)
+        assert flatten == expected
+
+        decoded = SheerkaUnpickler(sheerka).restore(flatten)
+        assert decoded == obj
+
     def test_i_can_flatten_and_restore_instances(self):
         sheerka = self.get_sheerka()
 
@@ -175,3 +189,18 @@ class TestSheerkaPickler(TestUsingMemoryBasedSheerka):
         flatten = SheerkaPickler(sheerka).flatten(obj)
         decoded = SheerkaUnpickler(sheerka).restore(flatten)
         assert decoded == Obj("foo", None, {"a": None, "b": None})
+
+    def test_ontology_are_not_serialized(self):
+        sheerka, context = self.init_test().unpack()
+
+        sheerka.push_ontology(context, "new ontology")
+        ontology = sheerka.pop_ontology().body.body
+        obj = sheerka.ret(sheerka.name, True, ontology)
+
+        flatten = SheerkaPickler(sheerka).flatten(obj)
+        assert flatten == {
+            '_sheerka/obj': 'core.builtin_concepts.ReturnValueConcept',
+            'concept/id': ('__RETURN_VALUE', '43'),
+            'status': True,
+            'value': 'new ontology',
+            'who': '__SHEERKA'}