939 lines
40 KiB
Python
939 lines
40 KiB
Python
import pytest
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from core.builtin_concepts import BuiltinConcepts, ReturnValueConcept, ParserResultConcept
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from core.concept import Concept, DoNotResolve, ConceptParts, InfiniteRecursionResolved, CB, NotInit, \
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concept_part_value
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from core.sheerka.services.SheerkaEvaluateConcept import SheerkaEvaluateConcept
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from core.sheerka.services.SheerkaMemory import SheerkaMemory
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from parsers.PythonParser import PythonNode
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from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
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class TestSheerkaEvaluateConcept(TestUsingMemoryBasedSheerka):
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@pytest.mark.parametrize("body, expected", [
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(None, NotInit),
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("", ""),
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("1", 1),
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("1+1", 2),
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("'one'", "one"),
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("'one' + 'two'", "onetwo"),
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("True", True),
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("1 > 2", False),
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])
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def test_i_can_evaluate_a_concept_with_simple_body(self, body, expected):
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sheerka, context, concept = self.init_concepts(Concept("foo", body=body), eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == expected
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assert evaluated.get_metadata().body == body
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assert evaluated.get_metadata().pre is None
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assert evaluated.get_metadata().post is None
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assert evaluated.get_metadata().where is None
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assert evaluated.variables() == {}
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assert evaluated.get_metadata().is_evaluated
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assert len(evaluated.values()) == 0 if body is None else 1
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assert "foo" in sheerka.services[SheerkaMemory.NAME].registration
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@pytest.mark.parametrize("expr, expected", [
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("", ""),
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("1", 1),
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("1+1", 2),
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("'one'", "one"),
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("'one' + 'two'", "onetwo"),
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("True", True),
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("1 > 2", False),
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])
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def test_i_can_evaluate_the_other_metadata(self, expr, expected):
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"""
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I only test PRE, it's the same for the others
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:param expr:
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:param expected:
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:return:
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"""
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sheerka, context, concept = self.init_concepts(Concept("foo", post=expr))
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.get_metadata().body is None
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assert evaluated.get_metadata().post == expr
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assert evaluated.get_metadata().pre is None
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assert evaluated.get_metadata().where is None
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assert evaluated.get_value(ConceptParts.POST) == expected
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assert evaluated.variables() == {}
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assert not evaluated.get_metadata().is_evaluated
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assert len(evaluated.values) == 0 if expr is None else 1
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@pytest.mark.parametrize("expr, expected", [
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(None, NotInit),
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("", ""),
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("1", 1),
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("1+1", 2),
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("'one'", "one"),
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("'one' + 'two'", "onetwo"),
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("True", True),
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("1 > 2", False),
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])
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def test_i_can_evaluate_a_concept_with_prop(self, expr, expected):
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sheerka, context, concept = self.init_concepts(Concept("foo").def_var("a", expr), eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.get_metadata().pre is None
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assert evaluated.get_metadata().pre is None
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assert evaluated.get_metadata().post is None
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assert evaluated.get_metadata().where is None
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assert evaluated.variables() == {"a": expected}
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assert evaluated.get_metadata().is_evaluated
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def test_i_can_evaluate_when_the_body_is_the_name_of_the_concept(self):
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# to prove that I can distinguish from a string
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sheerka, context, concept = self.init_concepts(Concept("foo", body="'foo'"), eval_body=True, create_new=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == "foo"
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def test_i_can_evaluate_metadata_using_do_not_resolve(self):
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sheerka, context, concept = self.init_concepts(Concept("foo"), eval_body=True)
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concept.get_compiled()[ConceptParts.BODY] = DoNotResolve("do not resolve")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.body == "do not resolve"
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assert evaluated.get_metadata().is_evaluated
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def test_i_can_evaluate_variable_using_do_not_resolve(self):
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sheerka, context, concept = self.init_concepts(Concept("foo").def_var("a"), eval_body=True)
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concept.get_compiled()["a"] = DoNotResolve("do not resolve")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.get_value("a") == "do not resolve"
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assert evaluated.get_metadata().is_evaluated
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def test_original_value_is_overridden_when_using_do_no_resolve(self):
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concept = Concept("foo", body="original value").def_var("a", "original value")
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sheerka, context, concept = self.init_concepts(concept, eval_body=True)
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concept.get_compiled()["a"] = DoNotResolve("do not resolve")
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concept.get_compiled()[ConceptParts.BODY] = DoNotResolve("do not resolve")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.body == "do not resolve"
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assert evaluated.get_value("a") == "do not resolve"
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assert evaluated.get_metadata().is_evaluated
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def test_variables_are_evaluated_before_body(self):
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sheerka, context, concept = self.init_concepts(Concept("foo", body="a+1").def_var("a", "10"), eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated == CB(concept, 11)
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def test_i_can_evaluate_when_another_concept_is_referenced(self):
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sheerka, context, concept_a, concept = self.init_concepts(
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Concept("a"),
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Concept("foo", body="a"),
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated == CB("foo", CB("a", NotInit))
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assert evaluated.get_metadata().is_evaluated
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assert evaluated.body.get_metadata().is_evaluated
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def test_i_can_evaluate_when_the_referenced_concept_has_a_body(self):
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sheerka, context, concept_a, concept = self.init_concepts(
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Concept("a", body="1"),
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Concept("foo", body="a"),
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == CB("a", 1)
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assert not concept_a.get_metadata().is_evaluated
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assert evaluated.get_metadata().is_evaluated
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def test_i_can_evaluate_concept_of_concept_when_the_leaf_has_a_body(self):
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sheerka, context, concept_a, concept_b, concept_c, concept_d = self.init_concepts(
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Concept("a", body="'a'"),
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Concept("b", body="a"),
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Concept("c", body="b"),
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Concept("d", body="c"),
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept_d)
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assert evaluated.key == concept_d.key
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expected = CB("c", CB("b", CB("a", "a")))
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assert evaluated.body == expected
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assert sheerka.objvalue(evaluated) == 'a'
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assert evaluated.get_metadata().is_evaluated
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def test_i_can_evaluate_concept_of_concept_does_not_have_a_body(self):
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sheerka, context, concept_a, concept_b, concept_c, concept_d = self.init_concepts(
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Concept("a"),
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Concept("b", body="a"),
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Concept("c", body="b"),
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Concept("d", body="c"),
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept_d)
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assert evaluated.key == concept_d.key
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expected = CB("c", CB("b", CB("a", NotInit)))
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assert evaluated.body == expected
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assert sheerka.objvalue(evaluated) == CB("a", NotInit)
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assert evaluated.get_metadata().is_evaluated
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def test_i_can_evaluate_concept_when_variables_reference_others_concepts_1(self):
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"""
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The body references a variable.
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The variable reference a concept
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The variable name is also the name of a concept
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:return:
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"""
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sheerka, context, concept_a, concept = self.init_concepts(
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Concept("a"),
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Concept("foo", body="a").def_var("a", "a"),
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept)
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# first, prop a is evaluated to concept_a
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# then body is evaluated to prop a -> concept_a
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assert evaluated.key == concept.key
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assert evaluated.body == concept_a
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def test_i_can_evaluate_concept_when_variables_reference_others_concepts_2(self):
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"""
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Same test,
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but the name of the property and the name of the concept are different
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:return:
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"""
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sheerka, context, concept_a = self.init_concepts(Concept(name="a"), eval_body=True)
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concept = Concept("foo", body="concept_a").def_var("concept_a", "a")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == concept_a
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def test_i_can_evaluate_concept_when_variables_reference_others_concepts_3(self):
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"""
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The body references a variable.
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The variable reference a concept
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The name of the variable is also the name of a concept, but the variable points to something else
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:return:
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"""
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sheerka, context, concept_a, concept_b = self.init_concepts("a", "b", eval_body=True)
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concept = Concept("foo", body="a").def_var("a", "b")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == concept_b
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def test_i_can_evaluate_concept_when_variables_reference_others_concepts_4(self):
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"""
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The body references a variable.
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The variable reference a concept
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:return:
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"""
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sheerka, context, concept_b = self.init_concepts("b", eval_body=True)
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concept = Concept("foo", body="a").def_var("a", "b")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == concept_b
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def test_i_can_evaluate_concept_when_variables_reference_others_concepts_with_body(self):
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sheerka, context, *concepts = self.init_concepts(
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Concept(name="a", body="1"),
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Concept(name="b", body="2"),
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eval_body=True
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)
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concept = Concept("foo", body="propA + propB").def_var("propA", "a").def_var("propB", "b")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == 3
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def test_i_can_evaluate_concept_when_variables_is_a_concept(self):
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sheerka, context, concept_a = self.init_concepts(Concept(name="a", body="'a'"), eval_body=True)
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concept = Concept("foo").def_var("a")
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concept.get_compiled()["a"] = concept_a
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.get_value("a") == CB("a", "a")
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def test_i_can_evaluate_concept_when_variable_is_a_concept_token(self):
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sheerka, context, concept_a, concept_b = self.init_concepts(
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"a",
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Concept("b").def_var("var_name", "c:a:"), # c:a: means concept 'a'
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept_b)
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assert evaluated.key == concept_b.key
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assert evaluated.get_value("var_name") == concept_a
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def test_i_can_evaluate_concept_when_body_isa_concept_token(self):
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sheerka, context, concept_a, concept_b = self.init_concepts(
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"a",
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Concept("b", body="c:a:"), # c:a: means concept 'a'
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eval_body=True)
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evaluated = sheerka.evaluate_concept(context, concept_b)
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assert evaluated.key == concept_b.key
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assert evaluated.body == concept_a
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def test_i_can_evaluate_when_variable_asts_is_a_list(self):
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sheerka = self.get_sheerka()
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foo = Concept("foo", body="1")
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concept = Concept("to_eval").def_var("prop")
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concept.get_compiled()["prop"] = [foo, DoNotResolve("1")]
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evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), concept)
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variables = evaluated.get_value("prop")
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assert len(variables) == 2
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assert variables[0] == CB("foo", 1)
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assert variables[1] == "1"
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def test_i_can_evaluate_when_compiled_is_set_up_with_return_value(self):
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sheerka = self.get_sheerka()
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python_node = PythonNode("1 +1 ").init_ast()
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parser_result = ParserResultConcept(parser="who", value=python_node)
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concept = Concept("to_eval").def_var("prop")
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concept.get_compiled()["prop"] = [ReturnValueConcept("who", True, parser_result)]
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evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), concept)
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assert evaluated.get_value("prop") == 2
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# also works when only one return value
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concept = Concept("to_eval").def_var("prop")
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concept.get_compiled()["prop"] = ReturnValueConcept("who", True, parser_result)
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evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), concept)
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assert evaluated.get_value("prop") == 2
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def test_i_can_evaluate_when_body_is_a_concept_with_its_own_variables(self):
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sheerka, context, plus, add = self.init_concepts(
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Concept("a plus b", body="a + b").def_var("a").def_var("b"),
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Concept("add a b", body="a plus b").def_var("a").def_var("b"),
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eval_body=True)
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add_instance = self.get_concept_instance(sheerka, add, a="1", b="2")
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evaluated = sheerka.evaluate_concept(context, add_instance)
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assert evaluated.key == add_instance.key
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assert evaluated.get_metadata().is_evaluated
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assert sheerka.objvalue(evaluated) == 3
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def test_i_can_evaluate_when_body_is_a_concept_with_its_own_variables_and_different_names(self):
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sheerka, context, plus, add = self.init_concepts(
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Concept("a plus b", body="a + b").def_var("a").def_var("b"),
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Concept("add x y", body="x plus y").def_var("x").def_var("y"),
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eval_body=True)
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add_instance = self.get_concept_instance(sheerka, add, x="1", y="2")
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evaluated = sheerka.evaluate_concept(context, add_instance)
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assert evaluated.key == add_instance.key
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assert evaluated.get_metadata().is_evaluated
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assert sheerka.objvalue(evaluated) == 3
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def test_i_can_evaluate_when_body_is_a_concept_with_its_own_variables_multiple_levels(self):
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sheerka, context, plus, add, inc = self.init_concepts(
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Concept("a plus b", body="a + b").def_var("a").def_var("b"),
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Concept("add x y", body="x plus y").def_var("x").def_var("y"),
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Concept("inc number", body="add number 1").def_var("number"),
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eval_body=True)
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inc_instance = self.get_concept_instance(sheerka, inc, number="1")
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evaluated = sheerka.evaluate_concept(context, inc_instance)
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assert evaluated.key == inc_instance.key
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assert evaluated.get_metadata().is_evaluated
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assert sheerka.objvalue(evaluated) == 2
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def test_i_can_evaluate_a_concept_that_references_another_concept_twice(self):
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"""
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Test that a new instance of concept is return when the metadata refers to a concept
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:return:
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"""
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sheerka, context, predicate, foo = self.init_concepts(
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Concept("Sometimes True", body="in_context('a')"),
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Concept("foo", pre="c:Sometimes True:"))
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foo1 = sheerka.new("foo")
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foo1 = sheerka.evaluate_concept(context, foo1) # 'a' is not in context, so it fails
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context2 = self.get_context(sheerka)
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context2.add_to_protected_hints('a')
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foo2 = sheerka.new("foo")
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foo2 = sheerka.evaluate_concept(context2, foo2) # 'a' in context + new instance of 'Sometimes True'
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assert sheerka.isinstance(foo1, BuiltinConcepts.CONDITION_FAILED)
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assert sheerka.isinstance(foo2, "foo")
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def test_i_can_reference_sheerka(self):
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sheerka = self.get_sheerka()
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concept = Concept("foo", body="sheerka.test()").init_key()
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evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), concept)
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assert evaluated.key == concept.key
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assert evaluated.body == sheerka.test()
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def test_variables_values_takes_precedence_over_the_outside_world(self):
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sheerka, context, concept_a, concept_b = self.init_concepts(
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Concept(name="a", body="'concept_a'"),
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Concept(name="b", body="'concept_b'"),
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eval_body=True
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)
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concept = Concept("foo", body="a")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == CB("a", "concept_a") # this test was already done
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# so check this one.
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concept = Concept("foo", body="a").def_var("a", "'property_a'")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == 'property_a'
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# or this one.
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concept = Concept("foo", body="a").def_var("a", "b")
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == CB("b", "concept_b")
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def test_variables_values_takes_precedence(self):
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sheerka, context, concept_a, concept_b = self.init_concepts(
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Concept(name="a", body="'concept_a'"),
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Concept(name="b", body="'concept_b'"),
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eval_body=True
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)
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concept = Concept("foo", body="a + b").def_var("a", "'prop_a'").init_key()
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evaluated = sheerka.evaluate_concept(context, concept)
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assert evaluated.key == concept.key
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assert evaluated.body == 'prop_aconcept_b'
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def test_i_can_reference_sub_property_of_a_variable(self):
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sheerka, context, concept_a = self.init_concepts(
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Concept(name="concept_a").def_var("subProp", "'sub_a'"),
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eval_body=True
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)
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concept = Concept("foo", body="a.subProp").def_var("a", "concept_a")
|
|
evaluated = sheerka.evaluate_concept(context, concept)
|
|
assert evaluated == CB(concept.key, "sub_a")
|
|
|
|
def test_i_cannot_evaluate_concept_if_variable_is_in_error(self):
|
|
sheerka = self.get_sheerka()
|
|
|
|
concept = Concept(name="concept_a").def_var("subProp", "undef_concept")
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), concept)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONCEPT_EVAL_ERROR)
|
|
|
|
def test_key_is_initialized_by_evaluation(self):
|
|
sheerka = self.get_sheerka()
|
|
|
|
concept = Concept("foo")
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), concept)
|
|
|
|
assert evaluated.key == concept.init_key().key
|
|
|
|
@pytest.mark.parametrize("where_clause, expected, expected_prop, expected_body", [
|
|
("True", True, None, NotInit),
|
|
("False", False, ConceptParts.WHERE, NotInit),
|
|
("self < 10", False, ConceptParts.WHERE, 10),
|
|
("self < 11", True, None, 10),
|
|
("a < 20", False, "a", NotInit),
|
|
("a > 19", True, None, NotInit),
|
|
("a + self > 20", True, None, 10),
|
|
("a + self < 20", False, ConceptParts.WHERE, 10),
|
|
])
|
|
def test_i_can_evaluate_simple_where(self, where_clause, expected, expected_prop, expected_body):
|
|
# We check that the WHERE condition is correctly evaluated
|
|
# We also check that the body is evaluated only when it's mandatory
|
|
|
|
sheerka, context, concept = self.init_concepts(
|
|
Concept("foo", body="10", where=where_clause).def_var("a", "20"),
|
|
eval_body=False, # to check when the evaluation is forced
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, False, True), concept, eval_body=False)
|
|
|
|
if expected:
|
|
assert evaluated.key == concept.key
|
|
assert concept.body == expected_body
|
|
else:
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONDITION_FAILED)
|
|
assert evaluated.body == where_clause
|
|
assert evaluated.concept == concept
|
|
assert evaluated.prop == expected_prop
|
|
assert concept.body == expected_body
|
|
|
|
def test_i_can_evaluate_where_when_using_other_concept(self):
|
|
sheerka, context, foo_true, foo_false = self.init_concepts(
|
|
Concept("foo_true", body="True"),
|
|
Concept("foo_false", body="False"),
|
|
)
|
|
|
|
concept = Concept("foo", where="foo_true")
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, False, True), concept)
|
|
assert evaluated.key == concept.key
|
|
|
|
concept = Concept("foo", where="foo_false")
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, False, True), concept)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONDITION_FAILED)
|
|
assert evaluated.body == "foo_false"
|
|
|
|
concept = Concept("foo", where="foo_false")
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, False, False), concept)
|
|
assert evaluated.key == concept.key
|
|
|
|
def test_i_can_apply_intermediate_where_condition_using_python(self):
|
|
sheerka, context, one_1, one_str, plus = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("one", body="'one'"),
|
|
Concept("a plus b", body="a + b", where="isinstance(a, int)").def_var("a", "one").def_var("b", "2"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == plus.key
|
|
assert evaluated.body == 3
|
|
|
|
def test_i_can_apply_intermediate_where_condition_when_multiple_variables_using_python(self):
|
|
sheerka, context, one_1, one_str, two_2, two_str, plus = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("one", body="'one'"),
|
|
Concept("two", body="2"),
|
|
Concept("two", body="'two'"),
|
|
Concept("a plus b",
|
|
body="a + b",
|
|
where="isinstance(a, int) and isinstance(b, int)").def_var("a", "one").def_var("b", "two"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == plus.key
|
|
assert evaluated.body == 3
|
|
|
|
def test_i_can_apply_intermediate_where_condition_using_other_concepts(self):
|
|
sheerka, context, one_1, one_str, is_an_int, plus = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("one", body="'one'"),
|
|
Concept("x is an int", body="isinstance(x, int)").def_var("x"),
|
|
Concept("a plus b", body="a + b", where="a is an int").def_var("a", "one").def_var("b", "2"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == plus.key
|
|
assert evaluated.body == 3
|
|
|
|
def test_i_can_apply_intermediate_where_condition_when_multiple_levels(self):
|
|
sheerka, context, one_1, one_str, is_an_int, is_an_integer, plus = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("one", body="'one'"),
|
|
Concept("x is an int", body="isinstance(x, int)").def_var("x"),
|
|
Concept("y is an integer", body="y is an int").def_var("y"),
|
|
Concept("a plus b", body="a + b", where="a is an integer").def_var("a", "one").def_var("b", "2"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == plus.key
|
|
assert evaluated.body == 3
|
|
|
|
def test_i_can_apply_intermediate_where_condition_choosing_the_correct_where_concept(self):
|
|
# in this test, there are two where conditions with the same name
|
|
# We need to use the 'PRE' condition to select the correct one
|
|
sheerka, context, one_1, one_str, is_an_int, is_an_integer, plus = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("one", body="'one'"),
|
|
Concept("x is an int",
|
|
body="isinstance(x, int)",
|
|
pre="in_context(BuiltinConcepts.EVAL_QUESTION_REQUESTED)").def_var("x"),
|
|
Concept("x is an int", body="False").def_var("x"),
|
|
Concept("a plus b", body="a + b", where="a is an int").def_var("a", "one").def_var("b", "2"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == plus.key
|
|
assert evaluated.body == 3
|
|
|
|
@pytest.mark.skip("Not ready for that")
|
|
def test_i_can_apply_intermediate_where_condition_when_multiple_variables(self):
|
|
sheerka, context, one_1, one_str, two_2, two_str, is_an_int, plus = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("one", body="'one'"),
|
|
Concept("two", body="2"),
|
|
Concept("two", body="'two'"),
|
|
Concept("x is an int", body="isinstance(x, int)").def_var("x"),
|
|
Concept("a plus b",
|
|
body="a + b",
|
|
where="a is an int and isinstance(b, int)").def_var("a", "one").def_var("b", "two"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == plus.key
|
|
assert evaluated.body == 3
|
|
|
|
def test_i_cannot_evaluate_when_intermediate_where_condition_fails(self):
|
|
sheerka, context, one_1, is_an_int, plus = self.init_concepts(
|
|
Concept("one", body="'one'"),
|
|
Concept("x is an int", body="isinstance(x, int)").def_var("x"),
|
|
Concept("a plus b", body="a + b", where="a is an int").def_var("a", "one").def_var("b", "2"),
|
|
eval_body=True,
|
|
eval_where=True,
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, plus)
|
|
assert evaluated.key == str(BuiltinConcepts.CONDITION_FAILED)
|
|
assert evaluated.body == "a is an int"
|
|
|
|
def test_i_can_enable_disable_where_clause_evaluation(self):
|
|
sheerka, context, concept = self.init_concepts(
|
|
Concept("foo", body="10", where="a > 10").def_var("a", None),
|
|
)
|
|
evaluated = sheerka.evaluate_concept(context, concept)
|
|
assert evaluated.key == concept.key
|
|
|
|
context.protected_hints.add(BuiltinConcepts.EVAL_WHERE_REQUESTED)
|
|
evaluated = sheerka.evaluate_concept(context, concept)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONCEPT_EVAL_ERROR)
|
|
|
|
def test_i_can_detect_and_resolve_infinite_recursion_with_numeric_constant(self):
|
|
sheerka, context, one_str, one_digit = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("1", body="one"),
|
|
eval_body=True
|
|
)
|
|
|
|
sheerka.test_only_add_in_cache(one_str)
|
|
sheerka.test_only_add_in_cache(one_digit)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, one_digit)
|
|
assert evaluated.key == one_digit.key
|
|
assert evaluated.body == InfiniteRecursionResolved(1)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, one_str)
|
|
assert evaluated.key == one_str.key
|
|
assert evaluated.body == InfiniteRecursionResolved(1)
|
|
|
|
def test_i_can_detect_and_resolve_infinite_recursion_with_boolean_constant(self):
|
|
sheerka, context, true_str, true_bool = self.init_concepts(
|
|
Concept("true", body="True"),
|
|
Concept("True", body="true"),
|
|
eval_body=True
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, true_str)
|
|
assert evaluated.key == true_str.key
|
|
assert evaluated.body == InfiniteRecursionResolved(True)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, true_bool)
|
|
assert evaluated.key == true_bool.key
|
|
assert evaluated.body == InfiniteRecursionResolved(True)
|
|
|
|
def test_i_can_detect_infinite_recursion_with_constant_with_more_concepts(self):
|
|
sheerka, context, c1, c2, c3, c4 = self.init_concepts(
|
|
Concept("one", body="1"),
|
|
Concept("1", body="2"),
|
|
Concept("2", body="3"),
|
|
Concept("3", body="one"),
|
|
eval_body=True
|
|
)
|
|
|
|
for concept in (c1, c2, c3, c4):
|
|
evaluated = sheerka.evaluate_concept(context, concept)
|
|
assert evaluated.key == concept.key
|
|
assert evaluated.body == InfiniteRecursionResolved(3)
|
|
|
|
def test_i_can_detect_infinite_recursion_when_no_constant(self):
|
|
sheerka, context, foo, bar, baz, qux = self.init_concepts(
|
|
Concept("foo", body="bar"),
|
|
Concept("bar", body="baz"),
|
|
Concept("baz", body="qux"),
|
|
Concept("qux", body="foo"),
|
|
eval_body=True
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, foo)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CHICKEN_AND_EGG)
|
|
assert evaluated.body == {foo, bar, baz, qux}
|
|
|
|
evaluated = sheerka.evaluate_concept(context, bar)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CHICKEN_AND_EGG)
|
|
assert evaluated.body == {foo, bar, baz, qux}
|
|
|
|
evaluated = sheerka.evaluate_concept(context, baz)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CHICKEN_AND_EGG)
|
|
assert evaluated.body == {foo, bar, baz, qux}
|
|
|
|
evaluated = sheerka.evaluate_concept(context, qux)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CHICKEN_AND_EGG)
|
|
assert evaluated.body == {foo, bar, baz, qux}
|
|
|
|
def test_i_can_detect_auto_recursion(self):
|
|
sheerka, context, foo = self.init_concepts(
|
|
Concept("foo", body="foo"),
|
|
eval_body=True
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, foo)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CHICKEN_AND_EGG)
|
|
assert evaluated.body == {foo}
|
|
|
|
# def test_i_can_detect_auto_recursion_when_evaluating_another_concept(self):
|
|
# sheerka, context, one_1, one_str, plus = self.init_concepts(
|
|
# Concept("one", body="1"),
|
|
# Concept("one", body="one"),
|
|
# Concept("a plus b", body="a + b", where="isinstance(a, int)").def_var("a", "one").def_var("b", "2")
|
|
# )
|
|
#
|
|
# evaluated = sheerka.evaluate_concept(context, plus, eval_body=True)
|
|
# sheerka.isinstance(evaluated, BuiltinConcepts.CHICKEN_AND_EGG)
|
|
|
|
def test_i_can_manage_auto_recursion_when_constant(self):
|
|
sheerka = self.get_sheerka()
|
|
|
|
one = Concept("1", body="1")
|
|
evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), one)
|
|
assert evaluated.key == one.key
|
|
assert evaluated.body == 1
|
|
|
|
def test_i_can_evaluate_thousand_concept(self):
|
|
sheerka, context, thousand, number, forties, forty, one = self.init_concepts(
|
|
Concept("thousand", body="number * 1000").def_var("number"),
|
|
Concept("number"),
|
|
Concept("forties", body="forty + number").def_var("forty").def_var("number"),
|
|
Concept("forty", body="40"),
|
|
Concept("one", body="1"),
|
|
eval_body=True
|
|
)
|
|
|
|
one = sheerka.new("one")
|
|
number2 = sheerka.new("number")
|
|
number2.get_compiled()["one"] = one
|
|
number2.get_compiled()[ConceptParts.BODY] = one
|
|
forties = sheerka.new("forties")
|
|
forties.get_compiled()["forty"] = sheerka.new("forty")
|
|
forties.get_compiled()["number"] = number2
|
|
|
|
number1 = sheerka.new("number")
|
|
number1.get_compiled()["forties"] = forties
|
|
number1.get_compiled()[ConceptParts.BODY] = forties
|
|
|
|
forty_one_thousand = sheerka.new("thousand")
|
|
forty_one_thousand.get_compiled()["number"] = number1
|
|
|
|
evaluated = sheerka.evaluate_concept(context, forty_one_thousand)
|
|
|
|
assert evaluated.body == 41000
|
|
|
|
def test_i_can_evaluate_command(self):
|
|
sheerka, context, command = self.init_concepts(Concept("command", body="a = 10"))
|
|
|
|
evaluated = sheerka.evaluate_concept(context, command)
|
|
assert evaluated.key == command.key
|
|
assert "a" not in sheerka.locals
|
|
|
|
sheerka.set_isa(context, command, sheerka.new(BuiltinConcepts.AUTO_EVAL))
|
|
evaluated = sheerka.evaluate_concept(context, sheerka.new("command"))
|
|
assert evaluated.key == command.key
|
|
assert "a" in sheerka.locals
|
|
|
|
@pytest.mark.parametrize("metadata", [
|
|
ConceptParts.WHERE,
|
|
ConceptParts.PRE,
|
|
ConceptParts.POST,
|
|
ConceptParts.RET
|
|
])
|
|
def test_i_cannot_evaluate_python_statement_in_where_pre_post_ret(self, metadata, capsys):
|
|
sheerka, context, foo = self.init_concepts("foo")
|
|
setattr(foo.get_metadata(), concept_part_value(metadata), "a=10; print('10')")
|
|
foo.get_metadata().need_validation = True
|
|
|
|
evaluated = sheerka.evaluate_concept(context, foo, eval_body=True)
|
|
captured = capsys.readouterr()
|
|
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONCEPT_EVAL_ERROR)
|
|
error = evaluated.body
|
|
assert sheerka.isinstance(error, BuiltinConcepts.PYTHON_SECURITY_ERROR)
|
|
assert error.prop == metadata
|
|
assert error.body == "a=10; print('10')"
|
|
assert captured.out == ""
|
|
|
|
def test_python_builtin_function_are_forbidden_in_where_pre_post_ret(self, capsys):
|
|
# I do the test only for PRE, as it will be the same for the other ConceptPart
|
|
sheerka, context, foo, bar = self.init_concepts(
|
|
Concept("foo", body="print('10')"), # print will be executed
|
|
Concept("bar", pre="print('10')"), # print won't be executed
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, foo, eval_body=True)
|
|
captured = capsys.readouterr()
|
|
assert evaluated.key == foo.key
|
|
assert captured.out == "10\n"
|
|
|
|
evaluated = sheerka.evaluate_concept(context, bar)
|
|
captured = capsys.readouterr()
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONCEPT_EVAL_ERROR)
|
|
error = evaluated.body
|
|
assert sheerka.isinstance(error, BuiltinConcepts.ERROR)
|
|
assert captured.out == ""
|
|
|
|
def test_i_can_failed_a_concept_when_pre_clause_is_not_validated(self, capsys):
|
|
sheerka, context, concept = self.init_concepts(
|
|
Concept("foo", pre="in_context('foo')", body="print('10')"),
|
|
)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, concept, eval_body=True)
|
|
assert sheerka.isinstance(evaluated, BuiltinConcepts.CONDITION_FAILED)
|
|
assert evaluated.body == "in_context('foo')"
|
|
assert evaluated.concept == concept
|
|
assert evaluated.prop == ConceptParts.PRE
|
|
|
|
captured = capsys.readouterr()
|
|
assert captured.out == ""
|
|
|
|
@pytest.mark.parametrize("concept, eval_body, expected", [
|
|
(Concept("foo"), False, []),
|
|
(Concept("foo", pre="pre", post="post", ret="ret", where="where"), False, ["#pre#", "#post#"]),
|
|
(Concept("foo", pre="pr", post="p", ret="r", where="w"), True,
|
|
["#pre#", "#ret#", "#post#", "variables", "#body#"]),
|
|
(Concept("foo", pre="a").def_var("a"), False, ["variables", "#pre#"]),
|
|
(Concept("foo", pre="self"), False, ["#body#", "#pre#"]),
|
|
(Concept("foo", pre="self + a").def_var("a"), False, ["variables", "#body#", "#pre#"]),
|
|
(Concept("foo", pre="self + a", ret="ret").def_var("a"), False, ["variables", "#body#", "#pre#"]),
|
|
(Concept("foo", pre="self + a", ret="ret").def_var("a"), True, ["variables", "#body#", "#pre#", "#ret#"]),
|
|
(Concept("foo", body="body"), False, [])
|
|
])
|
|
def test_i_can_compute_metadata_to_eval(self, concept, eval_body, expected):
|
|
sheerka, context, concept = self.init_concepts(concept)
|
|
service = sheerka.services[SheerkaEvaluateConcept.NAME]
|
|
|
|
if eval_body:
|
|
context.add_to_protected_hints(BuiltinConcepts.EVAL_BODY_REQUESTED)
|
|
|
|
service.initialize_concept_asts(context, concept)
|
|
assert service.compute_metadata_to_eval(context, concept) == expected
|
|
|
|
def test_i_can_compute_metadata_to_eval_for_where_and_body(self):
|
|
sheerka = self.get_sheerka()
|
|
service = sheerka.services[SheerkaEvaluateConcept.NAME]
|
|
|
|
context = self.get_context(sheerka, eval_where=True)
|
|
concept = Concept("foo", where="where")
|
|
service.initialize_concept_asts(context, concept)
|
|
assert service.compute_metadata_to_eval(context, concept) == ["#where#"]
|
|
|
|
concept = Concept("foo", where="where a").def_var("a")
|
|
service.initialize_concept_asts(context, concept)
|
|
assert service.compute_metadata_to_eval(context, concept) == ["variables", "#where#"]
|
|
|
|
concept = Concept("foo", where="where self")
|
|
service.initialize_concept_asts(context, concept)
|
|
assert service.compute_metadata_to_eval(context, concept) == ["#body#", "#where#"]
|
|
|
|
context = self.get_context(sheerka, eval_body=True)
|
|
concept = Concept("foo")
|
|
assert service.compute_metadata_to_eval(context, concept) == ["variables", "#body#"]
|
|
|
|
context = self.get_context(sheerka, eval_body=True)
|
|
concept = Concept("foo").def_var("a")
|
|
assert service.compute_metadata_to_eval(context, concept) == ["variables", "#body#"]
|
|
|
|
context = self.get_context(sheerka, eval_body=True)
|
|
concept = Concept("foo", body="body").def_var("a")
|
|
assert service.compute_metadata_to_eval(context, concept) == ["variables", "#body#"]
|
|
|
|
@pytest.mark.parametrize("concept, expected", [
|
|
(Concept("foo"), True),
|
|
])
|
|
def test_is_evaluated_is_correctly_set(self, concept, expected):
|
|
sheerka, context, concept = self.init_concepts(concept)
|
|
|
|
evaluated = sheerka.evaluate_concept(context, concept, eval_body=True)
|
|
|
|
assert evaluated.key == concept.key
|
|
assert concept.get_metadata().is_evaluated == expected
|
|
|
|
def test_i_only_compute_the_requested_metadata(self):
|
|
sheerka, context, concept = self.init_concepts(
|
|
Concept("foo", pre="'pre'", post="'post'", ret="'ret'", where="'where'", body="'body'").def_var("a", "'a'")
|
|
)
|
|
context.protected_hints.add(BuiltinConcepts.EVAL_WHERE_REQUESTED) # to prove that we do not care
|
|
context.protected_hints.add(BuiltinConcepts.EVAL_BODY_REQUESTED) # to prove that we do not care
|
|
|
|
evaluated = sheerka.evaluate_concept(context, concept, metadata=[ConceptParts.PRE])
|
|
assert evaluated.values() == {"a": NotInit, ConceptParts.PRE: 'pre'}
|
|
|
|
def test_i_can_manage_ret(self):
|
|
sheerka, context, foo, bar = self.init_concepts("foo", Concept("bar", ret="foo"))
|
|
|
|
res = sheerka.evaluate_concept(context, bar)
|
|
assert res.id == bar.id
|
|
|
|
res = sheerka.evaluate_concept(context, bar, eval_body=True)
|
|
assert res.id == foo.id
|
|
|
|
def test_ret_is_evaluated_only_is_body_is_requested(self):
|
|
sheerka, context, foo, bar = self.init_concepts("foo", Concept("bar", ret="__NOT_FOUND"))
|
|
|
|
res = sheerka.evaluate_concept(context, bar, eval_body=False)
|
|
assert res.id == bar.id
|
|
|
|
def test_i_can_eval_concept_with_rules(self):
|
|
sheerka, context, foo = self.init_concepts(Concept("foo a", body="a.name").def_var("a", "r:|1:"))
|
|
|
|
res = sheerka.evaluate_concept(context, foo, eval_body=True)
|
|
assert res.body == "Print return values"
|
|
|
|
# I cannot implement value cache for now
|
|
# def test_values_when_no_variables_are_computed_only_once(self):
|
|
# sheerka, context, foo = self.init_concepts(Concept("foo", body="10"))
|
|
#
|
|
# evaluated = sheerka.evaluate_concept(context, sheerka.new("foo"), eval_body=True)
|
|
# assert evaluated.body == 10
|
|
# assert len(evaluated.get_compiled()) > 0
|
|
#
|
|
# evaluated_2 = sheerka.evaluate_concept(context, sheerka.new("foo"), eval_body=True)
|
|
# assert evaluated_2.body == 10
|
|
# assert len(evaluated_2.get_compiled()) == 0
|