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Diffstat (limited to 'tests/parse_type_test.py')
-rwxr-xr-x | tests/parse_type_test.py | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/tests/parse_type_test.py b/tests/parse_type_test.py new file mode 100755 index 0000000..e254279 --- /dev/null +++ b/tests/parse_type_test.py @@ -0,0 +1,138 @@ +# -*- coding: utf-8 -*- + +from __future__ import absolute_import +from parse_type import TypeBuilder +from enum import Enum +try: + import unittest2 as unittest +except ImportError: + import unittest + + +# ----------------------------------------------------------------------------- +# TEST SUPPORT FOR: TypeBuilder Tests +# ----------------------------------------------------------------------------- +# -- PROOF-OF-CONCEPT DATATYPE: +def parse_number(text): + return int(text) +parse_number.pattern = r"\d+" # Provide better regexp pattern than default. +parse_number.name = "Number" # For testing only. + +# -- ENUM DATATYPE: +parse_yesno = TypeBuilder.make_enum({ + "yes": True, "no": False, + "on": True, "off": False, + "true": True, "false": False, +}) +parse_yesno.name = "YesNo" # For testing only. + +# -- ENUM CLASS: +class Color(Enum): + red = 1 + green = 2 + blue = 3 + +parse_color = TypeBuilder.make_enum(Color) +parse_color.name = "Color" + +# -- CHOICE DATATYPE: +parse_person_choice = TypeBuilder.make_choice(["Alice", "Bob", "Charly"]) +parse_person_choice.name = "PersonChoice" # For testing only. + + +# ----------------------------------------------------------------------------- +# ABSTRACT TEST CASE: +# ----------------------------------------------------------------------------- +class TestCase(unittest.TestCase): + + # -- PYTHON VERSION BACKWARD-COMPATIBILTY: + if not hasattr(unittest.TestCase, "assertIsNone"): + def assertIsNone(self, obj, msg=None): + self.assert_(obj is None, msg) + + def assertIsNotNone(self, obj, msg=None): + self.assert_(obj is not None, msg) + + +class ParseTypeTestCase(TestCase): + """ + Common test case base class for :mod:`parse_type` tests. + """ + + def assert_match(self, parser, text, param_name, expected): + """ + Check that a parser can parse the provided text and extracts the + expected value for a parameter. + + :param parser: Parser to use + :param text: Text to parse + :param param_name: Name of parameter + :param expected: Expected value of parameter. + :raise: AssertionError on failures. + """ + result = parser.parse(text) + self.assertIsNotNone(result) + self.assertEqual(result[param_name], expected) + + def assert_mismatch(self, parser, text, param_name=None): + """ + Check that a parser cannot extract the parameter from the provided text. + A parse mismatch has occured. + + :param parser: Parser to use + :param text: Text to parse + :param param_name: Name of parameter + :raise: AssertionError on failures. + """ + result = parser.parse(text) + self.assertIsNone(result) + + def ensure_can_parse_all_enum_values(self, parser, type_converter, + schema, name): + # -- ENSURE: Known enum values are correctly extracted. + for value_name, value in type_converter.mappings.items(): + text = schema % value_name + self.assert_match(parser, text, name, value) + + def ensure_can_parse_all_choices(self, parser, type_converter, schema, name): + transform = getattr(type_converter, "transform", None) + for choice_value in type_converter.choices: + text = schema % choice_value + expected_value = choice_value + if transform: + assert callable(transform) + expected_value = transform(choice_value) + self.assert_match(parser, text, name, expected_value) + + def ensure_can_parse_all_choices2(self, parser, type_converter, schema, name): + transform = getattr(type_converter, "transform", None) + for index, choice_value in enumerate(type_converter.choices): + text = schema % choice_value + if transform: + assert callable(transform) + expected_value = (index, transform(choice_value)) + else: + expected_value = (index, choice_value) + self.assert_match(parser, text, name, expected_value) + + + +# 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. |