/usr/lib/python3/dist-packages/testrepository/tests/test_arguments.py is in python3-testrepository 0.0.20-2.
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# Copyright (c) 2010 Testrepository Contributors
#
# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
# license at the users choice. A copy of both licenses are available in the
# project source as Apache-2.0 and BSD. You may not use this file except in
# compliance with one of these two licences.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# license you chose for the specific language governing permissions and
# limitations under that license.
"""Tests for the arguments package."""
from testtools.matchers import (
Equals,
raises,
)
from testrepository import arguments
from testrepository.tests import ResourcedTestCase
class TestAbstractArgument(ResourcedTestCase):
def test_init_base(self):
arg = arguments.AbstractArgument('name')
self.assertEqual('name', arg.name)
self.assertEqual('name', arg.summary())
def test_init_optional(self):
arg = arguments.AbstractArgument('name', min=0)
self.assertEqual(0, arg.minimum_count)
self.assertEqual('name?', arg.summary())
def test_init_repeating(self):
arg = arguments.AbstractArgument('name', max=None)
self.assertEqual(None, arg.maximum_count)
self.assertEqual('name+', arg.summary())
def test_init_optional_repeating(self):
arg = arguments.AbstractArgument('name', min=0, max=None)
self.assertEqual(None, arg.maximum_count)
self.assertEqual('name*', arg.summary())
def test_init_arbitrary(self):
arg = arguments.AbstractArgument('name', max=2)
self.assertEqual('name{1,2}', arg.summary())
def test_init_arbitrary_infinite(self):
arg = arguments.AbstractArgument('name', min=2, max=None)
self.assertEqual('name{2,}', arg.summary())
def test_parsing_calls__parse_one(self):
calls = []
class AnArgument(arguments.AbstractArgument):
def _parse_one(self, arg):
calls.append(arg)
return ('1', arg)
argument = AnArgument('foo', max=2)
args = ['thing', 'other', 'stranger']
# results are returned
self.assertEqual([('1', 'thing'), ('1', 'other')],
argument.parse(args))
# used args are removed
self.assertEqual(['stranger'], args)
# parse function was used
self.assertEqual(['thing', 'other'], calls)
def test_parsing_unlimited(self):
class AnArgument(arguments.AbstractArgument):
def _parse_one(self, arg):
return arg
argument = AnArgument('foo', max=None)
args = ['thing', 'other']
# results are returned
self.assertEqual(['thing', 'other'], argument.parse(args))
# used args are removed
self.assertEqual([], args)
def test_parsing_too_few(self):
class AnArgument(arguments.AbstractArgument):
def _parse_one(self, arg):
return arg
argument = AnArgument('foo')
self.assertThat(lambda: argument.parse([]), raises(ValueError))
def test_parsing_optional_not_matching(self):
class AnArgument(arguments.AbstractArgument):
def _parse_one(self, arg):
raise ValueError('not an argument')
argument = AnArgument('foo', min=0)
args = ['a', 'b']
self.assertThat(argument.parse(args), Equals([]))
self.assertThat(args, Equals(['a', 'b']))
# No interface tests for now, because the interface we expect is really just
# _parse_one; however if bugs or issues show up... then we should add them.
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