# SPDX-License-Identifier: LGPL-2.1-only # Copyright 2022 Jookia <contact@jookia.org> from hypothesis import assume, given from hypothesis.strategies import composite from src.ast_types import Bool from src.parse import ParseContext, ParseError, ParseErrorException, ParseTask, Parser from tests.parse.templates import template_test_valid, template_test_invalid from tests.parse.test_error import static_parse_context from tests.test_token import draw_token_bool, draw_token_random # Draws tokens to not make a valid boolean @composite def draw_token_not_bool(draw): token = draw(draw_token_random()) assume(token.value not in ["True", "False"]) return token # Tests parse_bool works correctly # We expect the following behaviour: # - The resulting boolean is True if the first token is True # - The resulting boolean is False if the first token is False # template_test_valid provides general parsing properties @given(draw_token_bool()) def test_parse_bool_valid(token): value = token.value == "True" expected = Bool(value) template_test_valid(Parser().parse_bool, [token], expected) # Tests parsing of invalid booleans # We expect the following behaviour: # - Error if the token is not True or False # - Have ParseError.NOT_BOOL as the exception code # - Have ParseTask.PARSE_BOOL as the context's parse task @given(draw_token_not_bool()) def test_parse_bool_invalid_incorrect(token): parent_context = static_parse_context() context = ParseContext(ParseTask.PARSE_BOOL, token, parent_context) error = ParseErrorException(ParseError.NOT_BOOL, token, None, context) parser = Parser().parse_bool template_test_invalid(parser, parent_context, [token], error) # Tests parsing of empty tokens # We expect the following behaviour: # - Error if there isn't a token # - Have ParseError.NO_TOKEN as the exception code # - Have ParseTask.PARSE_BOOL as the context's parse task def test_parse_bool_invalid_empty(): parent_context = static_parse_context() context = ParseContext(ParseTask.PARSE_BOOL, None, parent_context) error = ParseErrorException(ParseError.NO_TOKEN, None, None, context) parser = Parser().parse_bool template_test_invalid(parser, parent_context, [], error)