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test_astuneval.py
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test_astuneval.py
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# -*- coding: utf-8 -*-
# <sure - sophisticated automated test library and runner>
# Copyright (C) <2010-2024> Gabriel Falcão <gabriel@nacaolivre.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import ast
from sure import expects
from sure.astuneval import parse_body
from sure.astuneval import parse_accessor
from sure.astuneval import Accessor, NameAccessor, SubsAccessor, AttributeAccessor
def test_parse_body_against_several_kinds():
expects(parse_body("atomic_bonds[3:7]")).to.be.an(ast.Subscript)
expects(parse_body("children[6]")).to.be.an(ast.Subscript)
expects(parse_body("hippolytus")).to.be.an(ast.Name)
expects(parse_body("zone[4].damage")).to.be.an(ast.Attribute)
def test_parse_accessor_name_accessor():
class Tragedy:
telemachus = "♒️"
expects(parse_accessor("telemachus")).to.be.a(NameAccessor)
get_character = parse_accessor("telemachus")
expects(get_character(Tragedy)).to.equal('♒️')
def test_parse_accessor_subscript_accessor():
class MonacoGrandPrix1990:
classification = [
"Ayrton Senna",
"Alain Prost",
"Jean Alesi",
]
expects(parse_accessor("classification[2]")).to.be.a(SubsAccessor)
get_position = parse_accessor("classification[2]")
expects(get_position(MonacoGrandPrix1990)).to.equal("Jean Alesi")
def test_parse_accessor_attr_accessor():
class Event:
def __init__(self, description: str):
self.tag = description
class LogBook:
events = [
Event("occurrenceA"),
Event("occurrenceB"),
Event("occurrenceC"),
Event("occurrenceD"),
Event("occurrenceE"),
Event("occurrenceF"),
]
expects(parse_accessor("events[3].description")).to.be.a(AttributeAccessor)
access_description = parse_accessor("events[3].tag")
expects(access_description(LogBook)).to.equal("occurrenceD")
def test_accessor_access_not_implemented():
accessor = Accessor(parse_body("attribute"))
expects(accessor.access).when.called_with(object).to.throw(
NotImplementedError
)
def test_parse_body_syntax_error():
parse_body.when.called_with("substance = collect()\nsubstance.reuse()").to.throw(
SyntaxError,
"'substance = collect()\\nsubstance.reuse()' exceeds the maximum body count for ast nodes"
)