kodjo
89e1f20975
Fixed #130 : ArithmeticOperatorParser Fixed #129 : python_wrapper : create_namespace Fixed #128 : ExpressionParser: Cannot parse func(x) infixed concept 'xxx'
215 lines
9.8 KiB
Python
215 lines
9.8 KiB
Python
import pytest
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from core.builtin_concepts import BuiltinConcepts
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from core.concept import Concept
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from core.sheerka.services.SheerkaExecute import ParserInput
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from parsers.BaseParser import ErrorSink, UnexpectedTokenParsingError
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from parsers.FunctionParser import FunctionParser
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from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
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from tests.parsers.parsers_utils import FN, SCN, SEQ, compute_expected_array, \
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get_expr_node_from_test_node, get_test_obj
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cmap = {
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"one": Concept("one"),
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"two": Concept("two"),
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"twenties": Concept("twenties", definition="'twenty' (one|two)=unit").def_var("unit"),
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"plus": Concept("a plus b").def_var("a").def_var("b"),
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}
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class TestFunctionParser(TestUsingMemoryBasedSheerka):
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shared_ontology = None
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@classmethod
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def setup_class(cls):
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init_test_helper = cls().init_test(cache_only=False, ontology="#TestFunctionParserOld#")
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sheerka, context, *updated = init_test_helper.with_concepts(*cmap.values(), create_new=True).unpack()
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for i, concept_name in enumerate(cmap):
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cmap[concept_name] = updated[i]
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cls.shared_ontology = sheerka.get_ontology(context)
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sheerka.pop_ontology(context)
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def init_parser(self, my_concepts_map=None, strict=True, **kwargs):
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if my_concepts_map is None:
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sheerka, context = self.init_test().unpack()
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sheerka.add_ontology(context, self.shared_ontology)
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else:
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sheerka, context, *updated = self.init_test().with_concepts(*my_concepts_map.values(), **kwargs).unpack()
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for i, pair in enumerate(my_concepts_map):
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my_concepts_map[pair] = updated[i]
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expr_parser = kwargs.get("expr_parser", None)
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parser = FunctionParser(strict, expr_parser=expr_parser)
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return sheerka, context, parser
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def init_parser_with_source(self, source, strict=True):
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sheerka, context, parser = self.init_parser(None, strict)
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error_sink = ErrorSink()
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parser_input = ParserInput(source)
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parser.reset_parser_input(parser_input, error_sink)
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return sheerka, context, parser, parser_input, error_sink
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def test_i_can_detect_empty_expression(self):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(""))
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.IS_EMPTY)
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def test_input_must_be_a_parser_input(self):
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sheerka, context, parser = self.init_parser()
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parser.parse(context, "not a parser input") is None
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def test_i_cannot_parse_when_not_a_function(self):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput("not a function"))
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.NOT_FOR_ME)
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@pytest.mark.parametrize("expression, expected", [
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("func()", FN("func")),
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("concept(one)", FN("concept", "one")),
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("func(one)", FN("func", "one")),
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("func(a long two, 'three', ;:$*)", FN("func", "a long two", "'three'", ";:$*")),
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("func(func1(one), two, func2(func3(), func4(three)))",
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FN("func", "func1(one)", "two", "func2(func3(), func4(three))")),
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("func(r:|1:)", FN("func", "r:|1:")),
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("func(bar fn(x))", FN("func", "bar fn(x)")),
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("func([one, two])", FN("func", "[one, two]")),
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("func((one, two))", FN("func", "(one, two)")),
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("func({one, two})", FN("func", "{one, two}")),
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])
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def test_i_can_parse_input_function_when_expr_parser_is_none(self, expression, expected):
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sheerka, context, parser, parser_input, error_sink = self.init_parser_with_source(expression)
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expected = get_expr_node_from_test_node(expression, expected)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert not error_sink.has_error
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assert parsed == expected
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parser.strict = False
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parser.reset_parser_input(parser_input, error_sink)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert not error_sink.has_error
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assert parsed == expected
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def test_i_can_parse_input_when_prefixed_depending_on_strict_mode(self):
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expression = "bar fn(x)"
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expected = SEQ("bar ", FN("fn", "x"))
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sheerka, context, parser, parser_input, error_sink = self.init_parser_with_source(expression)
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expected = get_expr_node_from_test_node(expression, expected)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert error_sink.has_error
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assert parsed is None
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assert isinstance(error_sink.sink[0], UnexpectedTokenParsingError)
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parser.strict = False
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parser.reset_parser_input(parser_input, error_sink)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert not error_sink.has_error
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assert parsed == expected
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def test_i_can_parse_input_when_suffixed_depending_on_strict_mode(self):
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expression = "fn(x) bar"
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expected = SEQ(FN("fn", "x"), " bar")
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sheerka, context, parser, parser_input, error_sink = self.init_parser_with_source(expression)
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expected = get_expr_node_from_test_node(expression, expected)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert error_sink.has_error
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assert parsed is None
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assert isinstance(error_sink.sink[0], UnexpectedTokenParsingError)
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parser.strict = False
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parser.reset_parser_input(parser_input, error_sink)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert not error_sink.has_error
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assert parsed == expected
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def test_i_can_parse_input_when_infixed_and_suffixed(self):
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expression = "foo fn(x) bar"
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expected = SEQ("foo ", FN("fn", "x"), " bar")
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sheerka, context, parser, parser_input, error_sink = self.init_parser_with_source(expression)
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expected = get_expr_node_from_test_node(expression, expected)
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parser.strict = False
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parser.reset_parser_input(parser_input, error_sink)
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parsed = parser.parse_input(context, parser_input, error_sink)
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assert not error_sink.has_error
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assert parsed == expected
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@pytest.mark.parametrize("text, expected, objects", [
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("func()", SCN("func()"), {}),
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(" func()", SCN("func()"), {}),
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("func(one)", SCN("func(one)"), {"__o_00__": "one"}),
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("func(one, unknown, two)", SCN("func(one, unknown, two)"), {"__o_00__": "one", "__o_01__": "two"}),
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("func(one, twenty two)", SCN("func(one, twenty two)"), {"__o_00__": "one", "__o_01__": "twenties"}),
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("func(one plus two, three)", SCN("func(one plus two, three)"), {"__o_00__": "plus"}),
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("func(func1(one), two)", SCN("func(func1(one), two)"), {"__o_00__": "one", "__o_01__": "two"}),
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])
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def test_i_can_parse(self, text, expected, objects):
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sheerka, context, parser = self.init_parser()
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resolved_expected = compute_expected_array(cmap, text, [expected])[0]
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res = parser.parse(context, ParserInput(text))
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parser_result = res.body
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node = res.body.body
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assert res.status
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assert sheerka.isinstance(parser_result, BuiltinConcepts.PARSER_RESULT)
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transformed_expression = get_test_obj(node, resolved_expected)
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assert transformed_expression == resolved_expected
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assert node.python_node is not None
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assert node.return_value is not None
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# compare objects
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actual_objects = {k: v.id for k, v in node.python_node.objects.items()}
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expected_objects = {k: cmap[v].id for k, v in objects.items()}
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assert actual_objects == expected_objects
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# @pytest.mark.parametrize("text, expected_error_type", [
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# ("one", BuiltinConcepts.NOT_FOR_ME), # no function found
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# ("$*!", BuiltinConcepts.NOT_FOR_ME), # no function found
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# ("func(", BuiltinConcepts.ERROR), # function found, but incomplete
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# ("func(one", BuiltinConcepts.ERROR), # function found, but incomplete
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# ("func(one, two, ", BuiltinConcepts.ERROR), # function found, but incomplete
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# ("func(one) and func(two)", BuiltinConcepts.ERROR), # to many function
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# ("one func(one)", BuiltinConcepts.NOT_FOR_ME), # function not found ! (as it is not the first)
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# ("func(a=b, c)", BuiltinConcepts.ERROR), # function found, but cannot be parsed
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# ("func(one two)", BuiltinConcepts.ERROR), # function found, but cannot be parsed
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# ])
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# def test_i_cannot_parse(self, text, expected_error_type):
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# sheerka, context, parser = self.init_parser()
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#
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# res = parser.parse(context, ParserInput(text))
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#
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# assert not res.status
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# assert sheerka.isinstance(res.body, expected_error_type)
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#
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# @pytest.mark.parametrize("sequence, expected", [
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# (None, None),
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# ([["a"]], [["a"]]),
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# ([["a"], ["b", "c"]], [["a"]]),
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# ([["b", "c"], ["a"]], [["a"]]),
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# ([["b", "c"], ["a"], ["d", "e"], ["f"]], [["a"], ["f"]]),
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# ])
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# def test_i_can_get_the_longest_concept_sequence(self, sequence, expected):
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# assert FunctionParserOld.get_longest_concepts(sequence) == expected
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#
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# def test_concepts_found_are_fully_initialized(self):
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# sheerka, context, parser = self.init_parser()
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#
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# res = parser.parse(context, ParserInput("func(one plus three)"))
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# concept = res.body.body.nodes[0].concept
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#
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# assert res.status
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# assert isinstance(concept.get_compiled()["a"], Concept)
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#
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# # three is not recognized,
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# # so it will be transformed into list of ReturnValueConcept that indicate how to recognized it
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# assert isinstance(concept.get_compiled()["b"], list)
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# for item in concept.get_compiled()["b"]:
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# assert sheerka.isinstance(item, BuiltinConcepts.RETURN_VALUE)
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