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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# pylint: disable=invalid-name, missing-docstring, too-few-public-methods
"""
Integrated into :mod:`parse` module.
"""
from __future__ import absolute_import
import unittest
import parse
from parse_type import build_type_dict
from .parse_type_test import ParseTypeTestCase
# -----------------------------------------------------------------------------
# TEST CASE: TestParseTypeWithPatternDecorator
# -----------------------------------------------------------------------------
class TestParseTypeWithPatternDecorator(ParseTypeTestCase):
r"""
Test the pattern decorator for type-converter (parse_type) functions.
>>> def parse_number(text):
... return int(text)
>>> parse_number.pattern = r"\d+"
is equivalent to:
>>> import parse
>>> @parse.with_pattern(r"\d+")
... def parse_number(text):
... return int(text)
>>> assert hasattr(parse_number, "pattern")
>>> assert parse_number.pattern == r"\d+"
"""
def assert_decorated_with_pattern(self, func, expected_pattern):
self.assertTrue(callable(func))
self.assertTrue(hasattr(func, "pattern"))
self.assertEqual(func.pattern, expected_pattern)
def assert_converter_call(self, func, text, expected_value):
value = func(text)
self.assertEqual(value, expected_value)
# -- TESTS:
def test_function_with_pattern_decorator(self):
@parse.with_pattern(r"\d+")
def parse_number(text):
return int(text)
self.assert_decorated_with_pattern(parse_number, r"\d+")
self.assert_converter_call(parse_number, "123", 123)
def test_classmethod_with_pattern_decorator(self):
choice_pattern = r"Alice|Bob|Charly"
class C(object):
@classmethod
@parse.with_pattern(choice_pattern)
def parse_choice(cls, text):
return text
self.assert_decorated_with_pattern(C.parse_choice, choice_pattern)
self.assert_converter_call(C.parse_choice, "Alice", "Alice")
def test_staticmethod_with_pattern_decorator(self):
choice_pattern = r"Alice|Bob|Charly"
class S(object):
@staticmethod
@parse.with_pattern(choice_pattern)
def parse_choice(text):
return text
self.assert_decorated_with_pattern(S.parse_choice, choice_pattern)
self.assert_converter_call(S.parse_choice, "Bob", "Bob")
def test_decorated_function_with_parser(self):
# -- SETUP:
@parse.with_pattern(r"\d+")
def parse_number(text):
return int(text)
parse_number.name = "Number" #< For test automation.
more_types = build_type_dict([parse_number])
schema = "Test: {number:Number}"
parser = parse.Parser(schema, more_types)
# -- PERFORM TESTS:
# pylint: disable=bad-whitespace
self.assert_match(parser, "Test: 1", "number", 1)
self.assert_match(parser, "Test: 42", "number", 42)
self.assert_match(parser, "Test: 123", "number", 123)
# -- PARSE MISMATCH:
self.assert_mismatch(parser, "Test: x", "number") # Not a Number.
self.assert_mismatch(parser, "Test: -1", "number") # Negative.
self.assert_mismatch(parser, "Test: a, b", "number") # List of ...
def test_decorated_classmethod_with_parser(self):
# -- SETUP:
class C(object):
@classmethod
@parse.with_pattern(r"Alice|Bob|Charly")
def parse_person(cls, text):
return text
more_types = {"Person": C.parse_person}
schema = "Test: {person:Person}"
parser = parse.Parser(schema, more_types)
# -- PERFORM TESTS:
# pylint: disable=bad-whitespace
self.assert_match(parser, "Test: Alice", "person", "Alice")
self.assert_match(parser, "Test: Bob", "person", "Bob")
# -- PARSE MISMATCH:
self.assert_mismatch(parser, "Test: ", "person") # Missing.
self.assert_mismatch(parser, "Test: BAlice", "person") # Similar1.
self.assert_mismatch(parser, "Test: Boby", "person") # Similar2.
self.assert_mismatch(parser, "Test: a", "person") # INVALID ...
# -----------------------------------------------------------------------------
# MAIN:
# -----------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
# Copyright (c) 2012-2013 by Jens Engel (https://github/jenisys/parse_type)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
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