Fixed #125: SheerkaErrorManager

Fixed #135: Change services service priorities
Fixed #136: ErrorManager: Implement recognize_error
Fixed #137: BNFNodeParser : Error when parsing regex with sub parsers
Fixed #138: get_last_errors(): real errors sources are lost
Fixed #139: OneError return value removes the origin of the error
Fixed #140: Concept variables are not correctly handled when parsing sub expression
Fixed #143: Implement has_unknown_concepts()

tests/TestUsingFileBasedSheerka.py

@@ -1,8 +1,10 @@
+import shutil
+from os import path
+
 from conftest import SHEERKA_TEST_FOLDER
 from core.global_symbols import EVENT_ONTOLOGY_CREATED
 from core.sheerka.Sheerka import Sheerka
 from core.sheerka.SheerkaOntologyManager import SheerkaOntologyManager
-
 from tests.BaseTest import BaseTest
 
 
@@ -45,3 +47,18 @@ class TestUsingFileBasedSheerka(BaseTest):
 
         self.sheerka.push_ontology(self.context, ontology_name, cache_only=cache_only)
         return TestUsingFileBasedSheerka.sheerka
+
+    @staticmethod
+    def commit(context):
+        sheerka = context.sheerka
+        event = context.event
+        sheerka.om.save_event(event)
+
+        if sheerka.om.is_dirty():
+            sheerka.om.commit(context)
+
+    @staticmethod
+    def reset_hard_test_env():
+        if path.exists(SHEERKA_TEST_FOLDER):
+            shutil.rmtree(SHEERKA_TEST_FOLDER)
+            TestUsingFileBasedSheerka.sheerka = None