kodjo
1059ce25c5
Fixed #70: SheerkaFilterManager : Pipe functions Fixed #71: SheerkaFilterManager : filter_objects Fixed #75: SheerkaMemory: Enhance memory() to use the filtering capabilities Fixed #76: SheerkaEvaluateConcept: Concepts that modify the state of the system must not be evaluated during question
255 lines
11 KiB
Python
255 lines
11 KiB
Python
import pytest
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import core.builtin_helpers
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from core.builtin_concepts import ReturnValueConcept, BuiltinConcepts
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from core.concept import Concept
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from core.global_symbols import NotInit
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from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
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class TestBuiltinHelpers(TestUsingMemoryBasedSheerka):
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def test_i_can_use_expect_one_when_empty(self):
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sheerka = self.get_sheerka()
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), [])
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assert not res.status
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assert sheerka.isinstance(res.value, BuiltinConcepts.IS_EMPTY)
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def test_i_can_use_expect_one_when_too_many_success(self):
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sheerka = self.get_sheerka()
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items = [
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ReturnValueConcept("who", True, "value1"),
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ReturnValueConcept("who", True, "value2"),
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]
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), items)
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assert not res.status
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assert sheerka.isinstance(res.value, BuiltinConcepts.TOO_MANY_SUCCESS)
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assert res.value.body == items
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assert res.parents == items
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def test_i_can_use_expect_one_when_same_success(self):
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sheerka = self.get_sheerka()
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items = [
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ReturnValueConcept("who", True, "value"),
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ReturnValueConcept("who", True, "value"),
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]
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), items)
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assert res.status
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assert res.value == items[0].value
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assert res.parents == items
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def test_i_can_use_expect_when_only_errors_1(self):
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sheerka = self.get_sheerka()
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items = [
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ReturnValueConcept("who", False, sheerka.new(BuiltinConcepts.ERROR)),
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]
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), items)
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assert not res.status
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assert res.value == items[0].body
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def test_i_can_use_expect_when_only_errors_2(self):
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sheerka = self.get_sheerka()
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items = [
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ReturnValueConcept("who", False, None),
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ReturnValueConcept("who", False, None),
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]
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), items)
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assert not res.status
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assert sheerka.isinstance(res.value, BuiltinConcepts.TOO_MANY_ERRORS)
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assert res.value.body == items
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assert res.parents == items
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def test_i_can_use_expect_one_when_one_success_1(self):
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sheerka = self.get_sheerka()
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items = [
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ReturnValueConcept("who", True, None),
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]
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), items)
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assert res.status
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assert res.body == items[0].body
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def test_i_can_use_expect_one_when_one_success_2(self):
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sheerka = self.get_sheerka()
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items = [
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ReturnValueConcept("who", False, None),
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ReturnValueConcept("who", True, None),
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ReturnValueConcept("who", False, None),
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]
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), items)
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assert res.status
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assert res.body == items[1].body
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assert res.parents == items
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def test_i_can_use_expect_one_when_not_a_list_true(self):
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sheerka = self.get_sheerka()
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item = ReturnValueConcept("who", True, None)
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), item)
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assert res.status
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assert res == item
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def test_i_can_use_expect_one_when_not_a_list_false(self):
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sheerka = self.get_sheerka()
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item = ReturnValueConcept("who", False, None)
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res = core.builtin_helpers.expect_one(self.get_context(sheerka), item)
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assert not res.status
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assert res == item
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# @pytest.mark.parametrize("expression, vars_to_include, vars_to_exclude, expected_expr", [
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# ("a == 1", [], [], []),
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# ("a == 1", ["a"], [], ["a == 1"]),
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# ("a == 1", [], ["a"], []),
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# ("predicate(a)", [], [], []),
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# ("predicate(a)", ["a"], [], ["predicate(a)"]),
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# ("predicate(a, b)", ["a"], [], ["predicate(a, b)"]),
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# ("predicate(a, b)", ["b"], [], ["predicate(a, b)"]),
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# ("predicate(a, b)", ["a", "b"], [], ["predicate(a, b)"]),
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# ("predicate(a, b)", ["a"], ["b"], []),
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# ("a + b == 1", [], [], []),
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# ("a + b == 1", ["a"], [], ["a + b == 1"]),
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# ("a + b == 1", ["a"], ["b"], []),
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# ("a + b == 1", ["b"], [], ["a + b == 1"]),
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# ("a + b == 1", ["a", "b"], [], ["a + b == 1"]),
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# ("a == 1 and b == 2", [], [], []),
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# ("a == 1 and b == 2", ["a"], [], ["a == 1"]),
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# ("a == 1 and b == 2", ["b"], [], ["b == 2"]),
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# ("a == 1 and b == 2", ["a"], ["b"], ["a == 1"]),
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# ("a == 1 and b == 2", ["a", "b"], [], ["a == 1 and b == 2"]),
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# ("predicate(a,c) and predicate(b,c)", ["a", "b"], [], ["predicate(a,c) and predicate(b,c)"]),
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# ("not(a == 1)", [], [], []),
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# ("not(a == 1)", ["a"], [], ["not(a==1)"]),
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# ("a == 1 or b == 2", [], [], []),
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# ("a == 1 or b == 2", ["a"], [], ["a == 1"]),
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# ("a == 1 or b == 2", ["b"], [], ["b == 2"]),
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# ("a == 1 or b == 2", ["a", "b"], [], ["a == 1 or b == 2"]),
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# ("predicate(a,c) or predicate(b,c)", ["a", "b"], [], ["predicate(a,c) or predicate(b,c)"]),
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# ("a < 1 and a > b", ["a"], [], ["a < 1 and a > b"]),
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# ])
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# def test_i_can_extract_predicates(self, expression, vars_to_include, vars_to_exclude, expected_expr):
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# sheerka = self.get_sheerka()
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# expected = [ast.parse(expr, mode="eval") for expr in expected_expr]
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#
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# actual = core.builtin_helpers.extract_predicates(sheerka, expression, vars_to_include, vars_to_exclude)
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# assert len(actual) == len(expected)
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# for i in range(len(actual)):
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# assert self.dump_ast(actual[i]) == self.dump_ast(expected[i])
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@pytest.mark.parametrize("concepts, expected", [
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([], []),
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([Concept("foo", pre="False"), Concept("bar")], ["bar"]),
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([Concept("foo", pre="True"), Concept("bar")], ["foo"]),
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([Concept("foo").def_var("a"), Concept("bar")], ["bar"]), # less variables is better
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([Concept("foo"), Concept("bar")], ["foo", "bar"]),
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([Concept("foo", pre="is_question()"), Concept("bar")], ["bar"]),
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])
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def test_i_can_resolve_ambiguity_when_empty(self, concepts, expected):
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context = self.get_context()
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res = core.builtin_helpers.resolve_ambiguity(context, concepts)
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assert [c.name for c in res] == expected
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@pytest.mark.parametrize("pre, expected", [
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("x and y", False),
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("is_question()", True),
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(" is_question ( ) ", True),
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("context.in_context(BuiltinConcepts.EVAL_QUESTION_REQUESTED)", True),
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(" context . in_context ( BuiltinConcepts . EVAL_QUESTION_REQUESTED ) ", True),
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(None, False),
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("", False),
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(NotInit, False),
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("is _ question()", False),
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("is_ question()", False),
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("is _question()", False),
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("context.in _context(BuiltinConcepts.EVAL_QUESTION_REQUESTED)", False),
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("not is_question()", False),
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("not context.in_context(BuiltinConcepts.EVAL_QUESTION_REQUESTED)", False),
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("is_question() and True", True),
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("is_question() and False", True), # don't care about the second argument if it is not related to question
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("is_question() and xxx", True), # don't care about the second argument if it is not related to question
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("is_question() and not is_question()", False), # error ?
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("is_question() and not context.in_context(BuiltinConcepts.EVAL_QUESTION_REQUESTED)", False), # error ?
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])
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def test_is_a_question(self, pre, expected):
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sheerka, context = self.init_test().unpack()
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concept = Concept("foo", pre=pre)
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assert core.builtin_helpers.is_a_question(context, concept) == expected
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def test_context_hints_are_reset_when_call_evaluate_from_source(self):
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sheerka, context, one = self.init_concepts(Concept("one", body="1"))
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context.add_to_global_hints(BuiltinConcepts.EVAL_BODY_REQUESTED)
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context.add_to_protected_hints(BuiltinConcepts.EVAL_BODY_REQUESTED)
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context.add_to_private_hints(BuiltinConcepts.EVAL_BODY_REQUESTED)
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res = core.builtin_helpers.evaluate_from_source(context, "one", eval_body=False)
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evaluated = [r for r in res if r.status][0].body
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assert evaluated.body is NotInit
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# @pytest.mark.parametrize("return_values", [
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# None,
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# []
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# ])
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# def test_i_can_resolve_simple_ambiguity_when_no_return_values(self, return_values):
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# context = self.get_context()
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#
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# assert core.builtin_helpers.remove_ambiguity(context, return_values) == return_values
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# def test_resolve_ambiguity_concepts_with_no_variable_take_precedence(self):
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# context = self.get_context()
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# return_values = [
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# self.pretval(Concept("hello a").def_var("a", "world"), "hello word"),
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# self.pretval(Concept("hello world"), "hello word"),
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# # self.pretval(Concept("hello world", pre="False"), "hello word"),
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# self.retval(Concept("not a parser result")),
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# self.retval(Concept("status is false"), status=False),
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# self.pretval(Concept("false parser result"), status=False),
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# ]
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#
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# ret = core.builtin_helpers.remove_ambiguity(context, return_values)
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# assert ret.status
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# assert ret.parents == return_values
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#
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# filtered = ret.body
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# assert context.sheerka.isinstance(ret.body, BuiltinConcepts.FILTERED)
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# assert filtered.body == [
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# return_values[2],
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# return_values[3],
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# return_values[4],
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# return_values[1],
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# ]
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# assert filtered.iterable == return_values
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# assert filtered.predicate == "remove_ambiguity(context, iterable)"
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#
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# def test_resolve_ambiguity_failed_pre_condition_are_discarded(self):
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# context = self.get_context()
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# return_values = [
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# self.pretval(Concept("hello world"), "hello word"),
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# self.pretval(Concept("hello world", pre="False"), "hello word"),
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# ]
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#
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# ret = core.builtin_helpers.remove_ambiguity(context, return_values)
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# filtered = ret.body
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# assert context.sheerka.isinstance(ret.body, BuiltinConcepts.FILTERED)
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# assert filtered.body == [
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# return_values[0],
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# ]
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#
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# def test_resolve_ambiguity_original_return_value_is_returned_when_nothing_to_filter(self):
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# context = self.get_context()
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# return_values = [
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# self.pretval(Concept("hello a").def_var("a", "world"), "hello word"),
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# self.retval(Concept("not a parser result")),
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# self.retval(Concept("status is false"), status=False),
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# self.pretval(Concept("false parser result"), status=False),
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# ]
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#
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# assert core.builtin_helpers.remove_ambiguity(context, return_values) == return_values
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