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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
'''Mixins for parser tests.
'''
from itertools import izip_longest
from pkg_resources import resource_string
import re
from compare_locales.parser import getParser
class ParserTestMixin():
'''Utility methods used by the parser tests.
'''
filename = None
def setUp(self):
'''Create a parser for this test.
'''
self.parser = getParser(self.filename)
def tearDown(self):
'tear down this test'
del self.parser
def resource(self, name):
testcontent = resource_string(__name__, 'data/' + name)
# fake universal line endings
testcontent = re.sub('\r\n?', lambda m: '\n', testcontent)
return testcontent
def _test(self, content, refs):
'''Helper to test the parser.
Compares the result of parsing content with the given list
of reference keys and values.
'''
self.parser.readContents(content)
entities = [entity for entity in self.parser]
for entity, ref in izip_longest(entities, refs):
self.assertTrue(entity, 'excess reference entity')
self.assertTrue(ref, 'excess parsed entity')
self.assertEqual(entity.val, ref[1])
if ref[0].startswith('_junk'):
self.assertTrue(re.match(ref[0], entity.key))
else:
self.assertEqual(entity.key, ref[0])
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