517 lines
20 KiB
Python
517 lines
20 KiB
Python
import ast
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from dataclasses import dataclass
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import pytest
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from core.builtin_concepts import ParserResultConcept, BuiltinConcepts, ReturnValueConcept
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from core.concept import DEFINITION_TYPE_BNF, DEFINITION_TYPE_DEF, Concept, CV
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from core.sheerka.services.SheerkaExecute import ParserInput
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from core.tokenizer import Keywords, Tokenizer, LexerError
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from parsers.BaseNodeParser import SCWC
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from parsers.BnfNodeParser import OrderedChoice, ConceptExpression, StrMatch, Sequence
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from parsers.BnfParser import BnfParser
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from parsers.DefaultParser import DefaultParser, NameNode, SyntaxErrorNode, CannotHandleErrorNode
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from parsers.DefaultParser import UnexpectedTokenErrorNode, DefConceptNode
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from parsers.FunctionParser import FunctionParser
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from parsers.PythonParser import PythonParser, PythonNode
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from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
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from tests.parsers.parsers_utils import compute_expected_array
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def get_def_concept(name, where=None, pre=None, post=None, body=None, definition=None, bnf_def=None, ret=None):
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def_concept = DefConceptNode([], name=NameNode(list(Tokenizer(name))))
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if body:
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def_concept.body = get_concept_part(body)
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if where:
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def_concept.where = get_concept_part(where)
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if pre:
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def_concept.pre = get_concept_part(pre)
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if post:
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def_concept.post = get_concept_part(post)
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if ret:
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def_concept.ret = get_concept_part(ret)
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if bnf_def:
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def_concept.definition = ReturnValueConcept(
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"parsers.Bnf",
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True,
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bnf_def)
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def_concept.definition_type = DEFINITION_TYPE_BNF
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if definition:
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def_concept.definition = NameNode(list(Tokenizer(definition)))
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def_concept.definition_type = DEFINITION_TYPE_DEF
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return def_concept
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def get_concept_part(part):
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if isinstance(part, str):
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node = PythonNode(part.strip(), ast.parse(part.strip(), mode="eval"))
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return ReturnValueConcept(
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who="parsers.Default",
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status=True,
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value=ParserResultConcept(
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source=part,
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parser=PythonParser(),
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value=node))
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if isinstance(part, FN):
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# node = PythonNode(part.strip(), ast.parse(part.strip(), mode="eval"))
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nodes = compute_expected_array({}, part.source, [SCWC(part.first, part.last, *part.content)])
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return ReturnValueConcept(
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who="parsers.Default",
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status=True,
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value=ParserResultConcept(
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source=part.source,
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parser=FunctionParser(),
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value=nodes[0],
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try_parsed=nodes[0]))
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if isinstance(part, PN):
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node = PythonNode(part.source.strip(), ast.parse(part.source.strip(), mode=part.mode))
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return ReturnValueConcept(
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who="parsers.Default",
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status=True,
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value=ParserResultConcept(
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source=part.source,
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parser=PythonParser(),
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value=node))
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if isinstance(part, PythonNode):
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return ReturnValueConcept(
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who="parsers.Default",
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status=True,
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value=ParserResultConcept(
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source=part.source,
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parser=PythonParser(),
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value=part))
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if isinstance(part, ReturnValueConcept):
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return part
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@dataclass
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class PN:
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"""
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Python Node
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"""
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source: str # parser result source
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mode: str # compilation mode
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@dataclass
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class FN:
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"""
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Function Node
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"""
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source: str
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first: str
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last: str
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content: list
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class TestDefaultParser(TestUsingMemoryBasedSheerka):
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def init_parser(self, *concepts):
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sheerka, context, *updated = self.init_concepts(*concepts, singleton=True)
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parser = DefaultParser()
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return sheerka, context, parser, *updated
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@pytest.mark.parametrize("text, expected", [
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("def concept hello", get_def_concept(name="hello")),
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("def concept hello ", get_def_concept(name="hello")),
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("def concept a + b", get_def_concept(name="a + b")),
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("def concept a+b", get_def_concept(name="a + b")),
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("def concept 'a+b'+c", get_def_concept(name="'a+b' + c")),
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("def concept 'as if'", get_def_concept(name="'as if'")),
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("def concept 'as' if", get_def_concept(name="'as if'")),
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("def concept hello as 'hello'", get_def_concept(name="hello", body="'hello'")),
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("def concept hello as 1", get_def_concept(name="hello", body="1")),
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("def concept hello as 1 + 1", get_def_concept(name="hello", body="1 + 1")),
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])
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def test_i_can_parse_def_concept(self, text, expected):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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node = res.value.value
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assert res.status
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assert res.who == parser.name
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assert res.value.source == text
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assert isinstance(res.value, ParserResultConcept)
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assert node == expected
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def test_i_can_parse_complex_def_concept_statement(self):
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text = """def concept a mult b
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where a,b
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pre isinstance(a, int) and isinstance(b, int)
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post isinstance(res, a)
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as res = a * b
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ret a if isinstance(a, Concept) else self
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"""
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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expected_concept = get_def_concept(
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name="a mult b",
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where="a,b\n",
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pre="isinstance(a, int) and isinstance(b, int)\n",
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post=FN("isinstance(res, a)\n", "isinstance(", ")", ["res", ", ", "a"]),
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body=PN("res = a * b\n", "exec"),
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ret="a if isinstance(a, Concept) else self\n"
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)
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assert res.status
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assert isinstance(return_value, ParserResultConcept)
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assert return_value.value == expected_concept
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def test_i_can_parse_mutilines_declarations(self):
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text = """
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def concept add one to a as
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def func(x):
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return x+1
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func(a)
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"""
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expected_concept = get_def_concept(
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name="add one to a ",
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body=PN("def func(x):\n return x+1\nfunc(a)\n", "exec")
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)
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert res.status
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assert isinstance(return_value, ParserResultConcept)
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assert return_value.value == expected_concept
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def test_i_can_use_colon_to_use_indentation(self):
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text = """
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def concept add one to a as:
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def func(x):
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return x+1
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func(a)"""
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expected_concept = get_def_concept(
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name="add one to a ",
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body=PythonNode(
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"def func(x):\n return x+1\nfunc(a)",
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ast.parse("def func(x):\n return x+1\nfunc(a)", mode="exec"))
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)
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert res.status
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assert isinstance(return_value, ParserResultConcept)
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assert return_value.value == expected_concept
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@pytest.mark.parametrize("text", [
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"def concept foo as:\npass",
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"def concept foo where:\npass",
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"def concept foo pre:\npass",
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"def concept foo post:\npass",
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"def concept foo from:\nanother definition",
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"def concept foo from def:\nanother definition",
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"def concept foo from bnf:\n'another' 'definition'",
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])
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def test_indentation_is_mandatory_after_a_colon(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert not res.status
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assert sheerka.isinstance(return_value, BuiltinConcepts.ERROR)
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assert isinstance(return_value.body[0], SyntaxErrorNode)
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assert return_value.body[0].message == "Indentation not found."
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@pytest.mark.parametrize("text", [
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"def concept plus from:\n\ta plus b",
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"def concept plus from def:\n\ta plus b",
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# space before the colon
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"def concept plus from :\n\ta plus b",
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"def concept plus from def :\n\ta plus b",
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# space after the colon
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"def concept plus from: \n\ta plus b",
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"def concept plus from def: \n\ta plus b",
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])
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def test_i_can_use_colon_and_definition_together(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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defined_concept = res.body.body
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defined_concept_tokens = [t.repr_value for t in defined_concept.definition.tokens]
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assert res.status
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assert defined_concept.definition_type == DEFINITION_TYPE_DEF
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assert defined_concept_tokens == [t.repr_value for t in Tokenizer("a plus b", yield_eof=False)]
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@pytest.mark.parametrize("text", [
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"def concept plus from bnf:\n\t'a' 'plus' 'b'",
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"def concept plus from bnf :\n\t'a' 'plus' 'b'",
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"def concept plus from bnf: \n\t'a' 'plus' 'b'",
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])
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def test_i_can_use_colon_and_bnf_definition_together(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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defined_concept = res.body.body
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assert res.status
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assert defined_concept.definition.status
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assert defined_concept.definition.body.body == Sequence(StrMatch("a"), StrMatch("plus"), StrMatch("b"))
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def test_i_can_use_colon_to_protect_keyword(self):
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text = """
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def concept today as:
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from datetime import date
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today = date.today()
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from:
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give me the date !
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"""
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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defined_concept = res.body.body
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defined_concept_tokens = [t.repr_value for t in defined_concept.definition.tokens]
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assert res.status
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assert defined_concept.definition_type == DEFINITION_TYPE_DEF
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assert defined_concept_tokens == [t.repr_value for t in Tokenizer("give me the date !", yield_eof=False)]
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assert defined_concept.body.status
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def test_i_can_use_colon_to_protect_keyword_2(self):
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text = """
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def concept today as:
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from datetime import date
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today = date.today()
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from give me the date !
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"""
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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defined_concept = res.body.body
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defined_concept_tokens = [t.repr_value for t in defined_concept.definition.tokens]
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assert res.status
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assert defined_concept.definition_type == DEFINITION_TYPE_DEF
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assert defined_concept_tokens == [t.repr_value for t in Tokenizer("give me the date !", yield_eof=False)]
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assert defined_concept.body.status
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def test_name_is_mandatory(self):
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text = "def concept as 'hello'"
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert not res.status
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assert sheerka.isinstance(return_value, BuiltinConcepts.ERROR)
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assert isinstance(return_value.body[0], SyntaxErrorNode)
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assert return_value.body[0].message == "Name is mandatory"
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def test_concept_keyword_is_mandatory_but_the_concept_is_recognized(self):
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text = "def hello as a where b pre c post d"
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert not res.status
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assert sheerka.isinstance(return_value, BuiltinConcepts.ERROR)
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assert isinstance(return_value.body[0], UnexpectedTokenErrorNode)
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assert return_value.body[0].message == "Syntax error."
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assert return_value.body[0].expected_tokens == [Keywords.CONCEPT]
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@pytest.mark.parametrize("text", [
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"def concept hello where 1+",
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"def concept hello pre 1+",
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"def concept hello post 1+",
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"def concept hello as 1+"
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])
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def test_i_can_detect_error_in_declaration(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert not res.status
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assert sheerka.isinstance(return_value, BuiltinConcepts.TOO_MANY_ERRORS)
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@pytest.mark.parametrize("text", [
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"def concept hello\nmy friend",
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"def concept hello \nmy friend",
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"def concept hello\n my friend",
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"def concept hello \n my friend",
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"def concept hello from hello\nmy friend",
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"def concept hello from def hello\nmy friend",
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"def concept hello from bnf hello\nmy friend",
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"def concept hello from:\n\thello\nmy friend",
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"def concept hello from def:\n\thello\nmy friend",
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"def concept hello from bnf:\n\thello\nmy friend",
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])
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def test_new_line_is_not_allowed_in_the_name(self, text):
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text = "def concept hello \n my friend as 'hello'"
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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return_value = res.value
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assert not res.status
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assert sheerka.isinstance(return_value, BuiltinConcepts.ERROR)
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assert return_value.body == [SyntaxErrorNode([], "Newline are not allowed in name.")]
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def test_i_can_parse_def_concept_from_bnf(self):
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text = "def concept name from bnf a_concept | 'a_string' as __definition[0]"
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sheerka, context, parser, a_concept = self.init_parser("a_concept")
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res = parser.parse(context, ParserInput(text))
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node = res.value.value
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definition = OrderedChoice(ConceptExpression(a_concept, rule_name="a_concept"), StrMatch("a_string"))
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parser_result = ParserResultConcept(BnfParser(), "a_concept | 'a_string'", None, definition, definition)
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expected = get_def_concept(name="name", body="__definition[0]", bnf_def=parser_result)
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assert res.status
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assert res.who == parser.name
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assert res.value.source == text
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assert isinstance(res.value, ParserResultConcept)
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assert node == expected
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def test_i_can_parse_def_concept_where_bnf_references_itself(self):
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text = "def concept name from bnf 'a' + name?"
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sheerka, context, parser, a_concept = self.init_parser("a_concept")
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parser.parse(context, ParserInput(text))
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assert not parser.has_error
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@pytest.mark.parametrize("text", [
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'def concept "def concept x"',
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'def concept "def concept x" as x',
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])
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def test_i_can_use_double_quotes_to_protect_keywords(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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concept_defined = res.value.value
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assert res.status
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assert concept_defined.name.tokens == list(Tokenizer("def concept x", yield_eof=False))
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@pytest.mark.parametrize("text", [
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"def concept name from bnf as here is my body",
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"def concept name from def as here is my body",
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"def concept name from as here is my body"
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])
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def test_i_can_detect_empty_bnf_declaration(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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assert not res.status
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assert sheerka.isinstance(res.value, BuiltinConcepts.ERROR)
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assert res.value.body[0] == SyntaxErrorNode([], "Empty declaration")
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@pytest.mark.parametrize("text", [
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"def concept addition from a plus b as a + b",
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"def concept addition from def a plus b as a + b"])
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def test_i_can_def_concept_from_definition(self, text):
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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expected = get_def_concept("addition", definition="a plus b", body="a + b")
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node = res.value.value
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assert res.status
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assert res.who == parser.name
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assert res.value.source == text
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assert isinstance(res.value, ParserResultConcept)
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assert node == expected
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def test_i_can_parse_when_ambiguity_in_where_pre_clause(self):
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sheerka, context, parser, *concepts = self.init_parser(
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Concept("x is a y", pre="in_context(BuiltinConcepts.EVAL_QUESTION_REQUESTED)"),
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Concept("x is a y")
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)
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text = "def concept foo x y where x is a y"
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res = parser.parse(context, ParserInput(text))
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expected_body = self.pretval(CV(concepts[0], pre=True), source="x is a y", who="parsers.Default",
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parser="parsers.ExactConcept")
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expected = get_def_concept("foo x y", where=expected_body)
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node = res.value.value
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assert res.status
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assert res.who == parser.name
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assert res.value.source == text
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assert isinstance(res.value, ParserResultConcept)
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assert node == expected
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text = "def concept foo x y pre x is a y"
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res = parser.parse(context, ParserInput(text))
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expected_body = self.pretval(CV(concepts[0], pre=True), source="x is a y", who="parsers.Default",
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parser="parsers.ExactConcept")
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expected = get_def_concept("foo x y", pre=expected_body)
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node = res.value.value
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assert res.status
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assert res.who == parser.name
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assert res.value.source == text
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assert isinstance(res.value, ParserResultConcept)
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assert node == expected
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def test_i_can_detect_not_for_me(self):
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text = "hello world"
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sheerka, context, parser = self.init_parser()
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res = parser.parse(context, ParserInput(text))
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assert not res.status
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assert context.sheerka.isinstance(res.value, BuiltinConcepts.NOT_FOR_ME)
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assert isinstance(res.value.body[0], CannotHandleErrorNode)
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@pytest.mark.parametrize("text", [
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"def",
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"def concept_name"
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])
|
|
def test_i_cannot_parse_invalid_entries(self, text):
|
|
sheerka, context, parser = self.init_parser()
|
|
res = parser.parse(context, ParserInput(text))
|
|
|
|
assert not res.status
|
|
assert sheerka.isinstance(res.body, BuiltinConcepts.ERROR)
|
|
assert isinstance(res.body.body[0], UnexpectedTokenErrorNode)
|
|
|
|
@pytest.mark.parametrize("text", [
|
|
"concept",
|
|
"isa number",
|
|
"name isa",
|
|
])
|
|
def test_i_cannot_parse_not_for_me_entries(self, text):
|
|
sheerka, context, parser = self.init_parser()
|
|
res = parser.parse(context, ParserInput(text))
|
|
|
|
assert not res.status
|
|
assert sheerka.isinstance(res.body, BuiltinConcepts.NOT_FOR_ME)
|
|
assert isinstance(res.body.body[0], CannotHandleErrorNode)
|
|
|
|
@pytest.mark.parametrize("text, error_msg, error_text", [
|
|
("'name", "Missing Trailing quote", "'name"),
|
|
("foo isa 'name", "Missing Trailing quote", "'name"),
|
|
("def concept 'name", "Missing Trailing quote", "'name"),
|
|
("def concept name as 'body", "Missing Trailing quote", "'body"),
|
|
("def concept name from bnf 'expression", "Missing Trailing quote", "'expression"),
|
|
("def concept c::", "Concept identifiers not found", ""),
|
|
])
|
|
def test_i_cannot_parse_when_tokenizer_fails(self, text, error_msg, error_text):
|
|
sheerka, context, parser = self.init_parser()
|
|
res = parser.parse(context, ParserInput(text))
|
|
|
|
assert not res.status
|
|
assert sheerka.isinstance(res.body, BuiltinConcepts.ERROR)
|
|
assert isinstance(res.body.body[0], LexerError)
|
|
assert res.body.body[0].message == error_msg
|
|
assert res.body.body[0].text == error_text
|
|
|
|
def test_i_cannot_parse_bnf_definition_referencing_unknown_concept(self):
|
|
text = "def concept name from bnf unknown"
|
|
sheerka, context, parser = self.init_parser()
|
|
res = parser.parse(context, ParserInput(text))
|
|
|
|
assert not res.status
|
|
assert context.sheerka.isinstance(res.value, BuiltinConcepts.UNKNOWN_CONCEPT)
|
|
assert res.value.body == ("key", "unknown")
|