Fixed #72 : Exception when get_results(id=10)

Fixed #74 : Keyword parameters are no longer recognized when a concept that redefines equality is created
Fixed #118 : RecursionError: maximum recursion depth exceeded
Fixed #119 : PreventCircularReferenceEvaluator
Fixed #121 : Plural are not updated when new elements are added
Fixed #123 : BaseCache : Values in cache can be evicted before being committed
Fixed #105 : TOO_MANY_ERROR is not the relevant error when results are filtered

tests/evaluators/test_OneErrorEvaluator.py

@@ -1,9 +1,9 @@
 import pytest
 
-from core.builtin_concepts import ReturnValueConcept, BuiltinConcepts
+from core.builtin_concepts import BuiltinConcepts, ReturnValueConcept
 from core.concept import Concept
+from evaluators.BaseEvaluator import BaseEvaluator
 from evaluators.OneErrorEvaluator import OneErrorEvaluator
-
 from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
 
 
@@ -11,6 +11,10 @@ def r(value, status=True):
     return ReturnValueConcept(value, status, value)
 
 
+def eval_false(name, value="value"):
+    return ReturnValueConcept(BaseEvaluator.PREFIX + name, False, value)
+
+
 reduce_requested = ReturnValueConcept("some_name", True, Concept(key=BuiltinConcepts.REDUCE_REQUESTED))
 
 
@@ -72,3 +76,34 @@ class TestOneErrorEvaluator(TestUsingMemoryBasedSheerka):
 
         assert a_successful_concept not in res.parents
         assert a_concept_in_error not in res.parents
+
+    def test_i_can_manage_filtered_return_values(self):
+        sheerka, context = self.init_concepts()
+
+        filtered = sheerka.new(BuiltinConcepts.FILTERED)
+        filtered_ret_val = eval_false("Filter", filtered)
+        false_1 = eval_false("one")
+
+        evaluator = OneErrorEvaluator()
+        return_values = [filtered_ret_val, false_1, reduce_requested]
+        assert evaluator.matches(context, return_values)
+        res = evaluator.eval(context, return_values)
+        assert not res.status
+        assert res.body == false_1.body
+        assert res.parents == return_values
+
+        evaluator.reset()
+        return_values = [filtered_ret_val, reduce_requested]
+        assert evaluator.matches(context, return_values)
+        res = evaluator.eval(context, return_values)
+        assert not res.status
+        assert res.body == filtered
+        assert res.parents == return_values
+
+        evaluator.reset()
+        return_values = [false_1, reduce_requested]
+        assert evaluator.matches(context, return_values)
+        res = evaluator.eval(context, return_values)
+        assert not res.status
+        assert res.body == false_1.body
+        assert res.parents == return_values