kodjo
7dcaa9c111
Fixed #77 : Parser: ShortTermMemoryParser should be called separately Fixed #78 : Remove VariableNode usage Fixed #79 : ConceptManager: Implement compile caching Fixed #80 : SheerkaExecute : parsers_key is not correctly computed Fixed #81 : ValidateConceptEvaluator : Validate concept's where and pre clauses right after the parsing Fixed #82 : SheerkaIsAManager: isa() failed when the set as a body Fixed #83 : ValidateConceptEvaluator : Support BNF and SYA Concepts Fixed #84 : ExpressionParser: Implement the parser as a standard parser Fixed #85 : Services: Give order to services Fixed #86 : cannot manage smart_get_attr(the short, color)
119 lines
5.0 KiB
Python
119 lines
5.0 KiB
Python
import pytest
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from core.builtin_concepts import ReturnValueConcept, ParserResultConcept, BuiltinConcepts
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from core.concept import Concept, ConceptParts
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from evaluators.ConceptEvaluator import ConceptEvaluator
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from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
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class TestAddConceptEvaluator(TestUsingMemoryBasedSheerka):
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@pytest.mark.parametrize("ret_val, expected", [
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(ReturnValueConcept("some_name", True, ParserResultConcept(value=Concept())), True),
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(ReturnValueConcept("some_name", False, ParserResultConcept(value=Concept())), False),
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(ReturnValueConcept("some_name", True, ParserResultConcept(value="Not a concept")), False),
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(ReturnValueConcept("some_name", True, Concept()), False),
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])
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def test_i_can_match(self, ret_val, expected):
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context = self.get_context()
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assert ConceptEvaluator().matches(context, ret_val) == expected
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def test_i_can_evaluate_concept(self):
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context = self.get_context()
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context.protected_hints.update({BuiltinConcepts.EVAL_BODY_REQUESTED, BuiltinConcepts.EVAL_WHERE_REQUESTED})
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concept = Concept(name="foo",
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where="True",
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pre="2 > 1",
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post="4").def_var("a", "5").def_var("b", "6")
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evaluator = ConceptEvaluator()
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item = self.pretval(concept)
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result = evaluator.eval(context, item)
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assert result.who == evaluator.name
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assert result.status
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assert result.value.name == "foo"
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assert result.value.get_value(ConceptParts.WHERE) == True
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assert result.value.get_value(ConceptParts.PRE) == True
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assert result.value.get_value(ConceptParts.POST) == 4
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assert result.value.get_value("a") == 5
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assert result.value.get_value("b") == 6
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assert result.value.key == "foo"
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assert result.parents == [item]
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def test_body_is_returned_when_defined_and_requested(self):
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context = self.get_context()
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context.protected_hints.add(BuiltinConcepts.EVAL_BODY_REQUESTED)
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concept = Concept(name="foo",
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body="'I have a value'",
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where="True",
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pre="True",
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post="3").set_value("a", "4").set_value("b", "5")
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evaluator = ConceptEvaluator(return_body=True)
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item = self.pretval(concept)
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result = evaluator.eval(context, item)
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assert result.who == evaluator.name
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assert result.status
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assert result.value == "I have a value"
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assert result.parents == [item]
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def test_body_is_not_returned_if_not_requested(self):
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context = self.get_context()
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concept = Concept(name="foo",
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body="'I have a value'",
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where="True",
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pre="True",
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post="3").set_value("a", "4").set_value("b", "5")
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evaluator = ConceptEvaluator(return_body=False) # which is the default behaviour
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item = self.pretval(concept)
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result = evaluator.eval(context, item)
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assert result.who == evaluator.name
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assert result.status
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assert result.value == concept
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assert result.parents == [item]
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def test_i_can_eval_if_with_the_same_name_is_defined_in_the_context(self):
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# If we evaluate Concept("foo", body="a").set_value("a", "'property_a'")
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# ConceptEvaluator will be called to resolve 'a' while we know that 'a' refers to the string 'property_a'
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context = self.get_context()
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context.obj = Concept("other").set_value("foo", "'some_other_value'")
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concept = Concept(name="foo")
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item = self.pretval(concept)
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result = ConceptEvaluator().eval(context, item)
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assert result.status
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assert result.value == "'some_other_value'"
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def test_i_cannot_recognize_a_concept_if_one_of_the_prop_is_unknown(self):
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sheerka, context, one, concept_plus = self.init_concepts(
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"one",
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Concept(name="a plus b").def_var("a", "one").def_var("b", "two"))
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context.protected_hints.add(BuiltinConcepts.EVAL_BODY_REQUESTED)
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evaluator = ConceptEvaluator()
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item = self.pretval(concept_plus)
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result = evaluator.eval(context, item)
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assert not result.status
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assert context.sheerka.isinstance(result.value, BuiltinConcepts.CONCEPT_EVAL_ERROR)
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assert result.value.concept == concept_plus
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assert result.value.property_name == "b"
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assert context.sheerka.isinstance(result.value.error, BuiltinConcepts.ERROR)
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def test_that_error_concepts_are_transformed_into_errors_only_if_the_key_is_different(self):
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context = self.get_context()
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error_concept = context.sheerka.new(BuiltinConcepts.ERROR)
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item = self.pretval(error_concept)
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result = ConceptEvaluator().eval(context, item)
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assert not context.sheerka.is_success(error_concept) # it's indeed an error
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assert result.status
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assert result.value == error_concept
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