Added set of set handling (thru concept ISA)

tests/BaseTest.py

@@ -3,11 +3,12 @@ import ast
 from core.builtin_concepts import ReturnValueConcept, ParserResultConcept
 from core.concept import Concept
 from core.sheerka.ExecutionContext import ExecutionContext
+from parsers.BnfParser import BnfParser
 from sdp.sheerkaDataProvider import Event
 
 
 class BaseTest:
-    def get_sheerka(self):
+    def get_sheerka(self, **kwargs):
         pass
 
     def get_context(self, sheerka=None):
@@ -32,6 +33,30 @@ class BaseTest:
             dump = dump.replace(to_remove, "")
         return dump
 
+    def init_concepts(self, *concepts, **kwargs):
+        sheerka = self.get_sheerka(**kwargs)
+        context = self.get_context(sheerka)
+
+        result = []
+        for c in concepts:
+            if isinstance(c, str):
+                c = Concept(c)
+            c.init_key()
+            sheerka.set_id_if_needed(c, False)
+
+            # manage concepts with bnf definitions
+            if c.metadata.definition:
+                bnf_parser = BnfParser()
+                res = bnf_parser.parse(context, c.metadata.definition)
+                if res.status:
+                    c.bnf = res.value.value
+                sheerka.create_new_concept(context, c)
+
+            sheerka.add_in_cache(c)
+            result.append(c)
+
+        return sheerka, context, *result
+
     @staticmethod
     def retval(obj, who="who", status=True):
         """ret_val"""