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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	1.07 KB	-rw-r--r--
builder.py	2.84 KB	-rw-r--r--
core.py	9.51 KB	-rw-r--r--
input.py	12.07 KB	-rw-r--r--
output.py	21.46 KB	-rw-r--r--
path.py	26.97 KB	-rw-r--r--
test_utils.py	602 B	-rw-r--r--
util.py	3.05 KB	-rw-r--r--

Code Editor : util.py

# -*- coding: utf-8 -*-
#
# Copyright (C) 2006,2009 Edgewall Software
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://genshi.edgewall.org/wiki/License.
#
# This software consists of voluntary contributions made by many
# individuals. For the exact contribution history, see the revision
# history and logs, available at http://genshi.edgewall.org/log/.

import unittest

from genshi import util
from genshi.tests.test_utils import doctest_suite
from genshi.util import LRUCache

class LRUCacheTestCase(unittest.TestCase):

def test_setitem(self):
        cache = LRUCache(2)
        cache['A'] = 0
        self.assertEqual(1, len(cache))
        self.assertEqual('A', cache.head.key)
        self.assertEqual('A', cache.tail.key)
        item_a = cache._dict['A']
        self.assertEqual('A', item_a.key)
        self.assertEqual(0, item_a.value)
        self.assertEqual(None, item_a.prv)
        self.assertEqual(None, item_a.nxt)

cache['B'] = 1
        self.assertEqual(2, len(cache))
        self.assertEqual('B', cache.head.key)
        self.assertEqual('A', cache.tail.key)
        item_a = cache._dict['A']
        item_b = cache._dict['B']
        self.assertEqual('A', item_a.key)
        self.assertEqual(0, item_a.value)
        self.assertEqual(item_b, item_a.prv)
        self.assertEqual(None, item_a.nxt)
        self.assertEqual('B', item_b.key)
        self.assertEqual(1, item_b.value)
        self.assertEqual(None, item_b.prv)
        self.assertEqual(item_a, item_b.nxt)

cache['C'] = 2
        self.assertEqual(2, len(cache))
        self.assertEqual('C', cache.head.key)
        self.assertEqual('B', cache.tail.key)
        item_b = cache._dict['B']
        item_c = cache._dict['C']
        self.assertEqual('B', item_b.key)
        self.assertEqual(1, item_b.value)
        self.assertEqual(item_c, item_b.prv)
        self.assertEqual(None, item_b.nxt)
        self.assertEqual('C', item_c.key)
        self.assertEqual(2, item_c.value)
        self.assertEqual(None, item_c.prv)
        self.assertEqual(item_b, item_c.nxt)

def test_getitem(self):
        cache = LRUCache(2)
        cache['A'] = 0
        cache['B'] = 1

cache['A']

self.assertEqual(2, len(cache))
        self.assertEqual('A', cache.head.key)
        self.assertEqual('B', cache.tail.key)
        item_a = cache._dict['A']
        item_b = cache._dict['B']
        self.assertEqual('A', item_a.key)
        self.assertEqual(0, item_a.value)
        self.assertEqual(None, item_a.prv)
        self.assertEqual(item_b, item_a.nxt)
        self.assertEqual('B', item_b.key)
        self.assertEqual(1, item_b.value)
        self.assertEqual(item_a, item_b.prv)
        self.assertEqual(None, item_b.nxt)

def suite():
    suite = unittest.TestSuite()
    suite.addTest(doctest_suite(util))
    suite.addTest(unittest.makeSuite(LRUCacheTestCase, 'test'))
    return suite

if __name__ == '__main__':
    unittest.main(defaultTest='suite')

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Code Editor : util.py