Implemented SheerkaOntology

tests/TestUsingFileBasedSheerka.py

@@ -1,43 +1,37 @@
-import os
-import shutil
-from os import path
-
-import pytest
-from core.concept import ALL_ATTRIBUTES
+from conftest import SHEERKA_TEST_FOLDER
 from core.sheerka.Sheerka import Sheerka
+from core.sheerka.SheerkaOntologyManager import SheerkaOntologyManager
 
 from tests.BaseTest import BaseTest
 
 
 class TestUsingFileBasedSheerka(BaseTest):
-    tests_root = path.abspath("../../build/tests")
-    root_folder = "init_folder"
+    sheerka = None
+    context = None
+    root_ontology_name = SheerkaOntologyManager.ROOT_ONTOLOGY_NAME
 
-    @pytest.fixture(autouse=True)
-    def init_test(self):
-        if path.exists(self.tests_root):
-            shutil.rmtree(self.tests_root)
-
-        if not path.exists(self.tests_root):
-            os.makedirs(self.tests_root)
-        current_pwd = os.getcwd()
-        os.chdir(self.tests_root)
-
-        yield None
-
-        os.chdir(current_pwd)
-
-    def get_sheerka(self, **kwargs):
-        reset_attrs = kwargs.get("reset_attrs", True)
-        if reset_attrs:
-            ALL_ATTRIBUTES.clear()
-
-        use_dict = kwargs.get("use_dict", False)
-        # use dictionary based io instead of file
-        # If you do so, information between two different instances of sheerka
-        #   won't be shared
-        root = "mem://" if use_dict else self.root_folder
-        sheerka = Sheerka()
-        sheerka.initialize(root, save_execution_context=False, enable_process_return_values=False)
+    def teardown_method(self, method):
+        # to do after the test
+        if TestUsingFileBasedSheerka.sheerka:
+            while TestUsingFileBasedSheerka.sheerka.om.current_ontology().name != self.root_ontology_name:
+                ontology = TestUsingFileBasedSheerka.sheerka.pop_ontology().body.body
+                ontology.cache_manager.sdp.test_only_destroy_refs()
 
+    @staticmethod
+    def new_sheerka_instance(cache_only):
+        sheerka = Sheerka(cache_only=cache_only)
+        sheerka.initialize(SHEERKA_TEST_FOLDER,
+                           save_execution_context=False,
+                           enable_process_return_values=False)
         return sheerka
+
+    def get_sheerka(self, **kwargs) -> Sheerka:
+        cache_only = kwargs.get("cache_only", False)
+        ontology_name = kwargs.get("ontology", "#unit_test#") or "#unit_test#"
+
+        if TestUsingFileBasedSheerka.sheerka is None:
+            TestUsingFileBasedSheerka.sheerka = self.new_sheerka_instance(False)
+            TestUsingFileBasedSheerka.context = self.get_context(TestUsingFileBasedSheerka.sheerka)
+
+        self.sheerka.push_ontology(self.context, ontology_name, cache_only=cache_only)
+        return TestUsingFileBasedSheerka.sheerka