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Limnoria/test/test_utils.py
James Vega 568ebcdf96 Add tests for utils.iter.choice.
2005-02-18 13:40:29 +00:00

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###
# Copyright (c) 2002-2005, Jeremiah Fincher
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
from supybot.test import *
import time
import supybot.utils as utils
class UtilsTest(SupyTestCase):
def testReversed(self):
L = range(10)
revL = list(reversed(L))
L.reverse()
self.assertEqual(L, revL, 'reversed didn\'t return reversed list')
for _ in reversed([]):
self.fail('reversed caused iteration over empty sequence')
class SeqTest(SupyTestCase):
def testWindow(self):
L = range(10)
def wwindow(*args):
return list(utils.seq.window(*args))
self.assertEqual(wwindow([], 1), [], 'Empty sequence, empty window')
self.assertEqual(wwindow([], 2), [], 'Empty sequence, empty window')
self.assertEqual(wwindow([], 5), [], 'Empty sequence, empty window')
self.assertEqual(wwindow([], 100), [], 'Empty sequence, empty window')
self.assertEqual(wwindow(L, 1), [[x] for x in L], 'Window length 1')
self.assertRaises(ValueError, wwindow, [], 0)
self.assertRaises(ValueError, wwindow, [], -1)
class GenTest(SupyTestCase):
def testInsensitivePreservingDict(self):
ipd = utils.InsensitivePreservingDict
d = ipd(dict(Foo=10))
self.failUnless(d['foo'] == 10)
self.assertEqual(d.keys(), ['Foo'])
self.assertEqual(d.get('foo'), 10)
self.assertEqual(d.get('Foo'), 10)
def testFindBinaryInPath(self):
if os.name == 'posix':
self.assertEqual(None, utils.findBinaryInPath('asdfhjklasdfhjkl'))
self.failUnless(utils.findBinaryInPath('sh').endswith('/bin/sh'))
def testExnToString(self):
try:
raise KeyError, 1
except Exception, e:
self.assertEqual(utils.exnToString(e), 'KeyError: 1')
try:
raise EOFError
except Exception, e:
self.assertEqual(utils.exnToString(e), 'EOFError')
def testSaltHash(self):
s = utils.saltHash('jemfinch')
(salt, hash) = s.split('|')
self.assertEqual(utils.saltHash('jemfinch', salt=salt), s)
def testSafeEval(self):
for s in ['1', '()', '(1,)', '[]', '{}', '{1:2}', '{1:(2,3)}',
'1.0', '[1,2,3]', 'True', 'False', 'None',
'(True,False,None)', '"foo"', '{"foo": "bar"}']:
self.assertEqual(eval(s), utils.safeEval(s))
for s in ['lambda: 2', 'import foo', 'foo.bar']:
self.assertRaises(ValueError, utils.safeEval, s)
def testSafeEvalTurnsSyntaxErrorIntoValueError(self):
self.assertRaises(ValueError, utils.safeEval, '/usr/local/')
def testIterableMap(self):
class alist(utils.IterableMap):
def __init__(self):
self.L = []
def __setitem__(self, key, value):
self.L.append((key, value))
def iteritems(self):
for (k, v) in self.L:
yield (k, v)
AL = alist()
self.failIf(AL)
AL[1] = 2
AL[2] = 3
AL[3] = 4
self.failUnless(AL)
self.assertEqual(AL.items(), [(1, 2), (2, 3), (3, 4)])
self.assertEqual(list(AL.iteritems()), [(1, 2), (2, 3), (3, 4)])
self.assertEqual(AL.keys(), [1, 2, 3])
self.assertEqual(list(AL.iterkeys()), [1, 2, 3])
self.assertEqual(AL.values(), [2, 3, 4])
self.assertEqual(list(AL.itervalues()), [2, 3, 4])
self.assertEqual(len(AL), 3)
def testSortBy(self):
L = ['abc', 'z', 'AD']
utils.sortBy(len, L)
self.assertEqual(L, ['z', 'AD', 'abc'])
utils.sortBy(str.lower, L)
self.assertEqual(L, ['abc', 'AD', 'z'])
L = ['supybot', 'Supybot']
utils.sortBy(str.lower, L)
self.assertEqual(L, ['supybot', 'Supybot'])
def testSorted(self):
L = ['a', 'c', 'b']
self.assertEqual(utils.sorted(L), ['a', 'b', 'c'])
self.assertEqual(L, ['a', 'c', 'b'])
def mycmp(x, y):
return -cmp(x, y)
self.assertEqual(utils.sorted(L, mycmp), ['c', 'b', 'a'])
def testTimeElapsed(self):
self.assertRaises(ValueError, utils.timeElapsed, 0,
leadingZeroes=False, seconds=False)
then = 0
now = 0
for now, expected in [(0, '0 seconds'),
(1, '1 second'),
(60, '1 minute and 0 seconds'),
(61, '1 minute and 1 second'),
(62, '1 minute and 2 seconds'),
(122, '2 minutes and 2 seconds'),
(3722, '1 hour, 2 minutes, and 2 seconds'),
(7322, '2 hours, 2 minutes, and 2 seconds'),
(90061,'1 day, 1 hour, 1 minute, and 1 second'),
(180122, '2 days, 2 hours, 2 minutes, '
'and 2 seconds')]:
self.assertEqual(utils.timeElapsed(now - then), expected)
def timeElapsedShort(self):
self.assertEqual(utils.timeElapsed(123, short=True), '2m 3s')
def testAbbrev(self):
L = ['abc', 'bcd', 'bbe', 'foo', 'fool']
d = utils.abbrev(L)
def getItem(s):
return d[s]
self.assertRaises(KeyError, getItem, 'f')
self.assertRaises(KeyError, getItem, 'fo')
self.assertRaises(KeyError, getItem, 'b')
self.assertEqual(d['bb'], 'bbe')
self.assertEqual(d['bc'], 'bcd')
self.assertEqual(d['a'], 'abc')
self.assertEqual(d['ab'], 'abc')
self.assertEqual(d['fool'], 'fool')
self.assertEqual(d['foo'], 'foo')
def testAbbrevFailsWithDups(self):
L = ['english', 'english']
self.assertRaises(ValueError, utils.abbrev, L)
class StrTest(SupyTestCase):
def testRsplit(self):
rsplit = utils.str.rsplit
self.assertEqual(rsplit('foo bar baz'), 'foo bar baz'.split())
self.assertEqual(rsplit('foo bar baz', maxsplit=1),
['foo bar', 'baz'])
self.assertEqual(rsplit('foo bar baz', maxsplit=1),
['foo bar', 'baz'])
self.assertEqual(rsplit('foobarbaz', 'bar'), ['foo', 'baz'])
def testMatchCase(self):
f = utils.str.matchCase
self.assertEqual('bar', f('foo', 'bar'))
self.assertEqual('Bar', f('Foo', 'bar'))
self.assertEqual('BAr', f('FOo', 'bar'))
self.assertEqual('BAR', f('FOO', 'bar'))
self.assertEqual('bAR', f('fOO', 'bar'))
self.assertEqual('baR', f('foO', 'bar'))
self.assertEqual('BaR', f('FoO', 'bar'))
def testPluralize(self):
f = utils.str.pluralize
self.assertEqual('bikes', f('bike'))
self.assertEqual('BIKES', f('BIKE'))
self.assertEqual('matches', f('match'))
self.assertEqual('Patches', f('Patch'))
self.assertEqual('fishes', f('fish'))
self.assertEqual('tries', f('try'))
self.assertEqual('days', f('day'))
def testDepluralize(self):
f = utils.str.depluralize
self.assertEqual('bike', f('bikes'))
self.assertEqual('Bike', f('Bikes'))
self.assertEqual('BIKE', f('BIKES'))
self.assertEqual('match', f('matches'))
self.assertEqual('Match', f('Matches'))
self.assertEqual('fish', f('fishes'))
self.assertEqual('try', f('tries'))
def testDistance(self):
self.assertEqual(utils.str.distance('', ''), 0)
self.assertEqual(utils.str.distance('a', 'b'), 1)
self.assertEqual(utils.str.distance('a', 'a'), 0)
self.assertEqual(utils.str.distance('foobar', 'jemfinch'), 8)
self.assertEqual(utils.str.distance('a', 'ab'), 1)
self.assertEqual(utils.str.distance('foo', ''), 3)
self.assertEqual(utils.str.distance('', 'foo'), 3)
self.assertEqual(utils.str.distance('appel', 'nappe'), 2)
self.assertEqual(utils.str.distance('nappe', 'appel'), 2)
def testSoundex(self):
L = [('Euler', 'E460'),
('Ellery', 'E460'),
('Gauss', 'G200'),
('Ghosh', 'G200'),
('Hilbert', 'H416'),
('Heilbronn', 'H416'),
('Knuth', 'K530'),
('Kant', 'K530'),
('Lloyd', 'L300'),
('Ladd', 'L300'),
('Lukasiewicz', 'L222'),
('Lissajous', 'L222')]
for (name, key) in L:
soundex = utils.str.soundex(name)
self.assertEqual(soundex, key,
'%s was %s, not %s' % (name, soundex, key))
self.assertRaises(ValueError, utils.str.soundex, '3')
self.assertRaises(ValueError, utils.str.soundex, "'")
def testDQRepr(self):
L = ['foo', 'foo\'bar', 'foo"bar', '"', '\\', '', '\x00']
for s in L:
r = utils.str.dqrepr(s)
self.assertEqual(s, eval(r), s)
self.failUnless(r[0] == '"' and r[-1] == '"', s)
def testPerlReToPythonRe(self):
f = utils.str.perlReToPythonRe
r = f('m/foo/')
self.failUnless(r.search('foo'))
r = f('/foo/')
self.failUnless(r.search('foo'))
r = f('m/\\//')
self.failUnless(r.search('/'))
r = f('m/cat/i')
self.failUnless(r.search('CAT'))
self.assertRaises(ValueError, f, 'm/?/')
def testP2PReDifferentSeparator(self):
r = utils.str.perlReToPythonRe('m!foo!')
self.failUnless(r.search('foo'))
def testPerlReToReplacer(self):
PRTR = utils.str.perlReToReplacer
f = PRTR('s/foo/bar/')
self.assertEqual(f('foobarbaz'), 'barbarbaz')
f = PRTR('s/fool/bar/')
self.assertEqual(f('foobarbaz'), 'foobarbaz')
f = PRTR('s/foo//')
self.assertEqual(f('foobarbaz'), 'barbaz')
f = PRTR('s/ba//')
self.assertEqual(f('foobarbaz'), 'foorbaz')
f = PRTR('s/ba//g')
self.assertEqual(f('foobarbaz'), 'foorz')
f = PRTR('s/ba\\///g')
self.assertEqual(f('fooba/rba/z'), 'foorz')
f = PRTR('s/cat/dog/i')
self.assertEqual(f('CATFISH'), 'dogFISH')
f = PRTR('s/foo/foo\/bar/')
self.assertEqual(f('foo'), 'foo/bar')
f = PRTR('s/^/foo/')
self.assertEqual(f('bar'), 'foobar')
def testPReToReplacerDifferentSeparator(self):
f = utils.str.perlReToReplacer('s#foo#bar#')
self.assertEqual(f('foobarbaz'), 'barbarbaz')
def testPerlReToReplacerBug850931(self):
f = utils.str.perlReToReplacer('s/\b(\w+)\b/\1./g')
self.assertEqual(f('foo bar baz'), 'foo. bar. baz.')
def testPerlVariableSubstitute(self):
f = utils.str.perlVariableSubstitute
vars = {'foo': 'bar', 'b a z': 'baz', 'b': 'c', 'i': 100,
'f': lambda: 'called'}
self.assertEqual(f(vars, '$foo'), 'bar')
self.assertEqual(f(vars, '${foo}'), 'bar')
self.assertEqual(f(vars, '$b'), 'c')
self.assertEqual(f(vars, '${b}'), 'c')
self.assertEqual(f(vars, '$i'), '100')
self.assertEqual(f(vars, '${i}'), '100')
self.assertEqual(f(vars, '$f'), 'called')
self.assertEqual(f(vars, '${f}'), 'called')
self.assertEqual(f(vars, '${b a z}'), 'baz')
self.assertEqual(f(vars, '$b:$i'), 'c:100')
def testCommaAndify(self):
f = utils.str.commaAndify
L = ['foo']
original = L[:]
self.assertEqual(f(L), 'foo')
self.assertEqual(f(L, And='or'), 'foo')
self.assertEqual(L, original)
L.append('bar')
original = L[:]
self.assertEqual(f(L), 'foo and bar')
self.assertEqual(f(L, And='or'), 'foo or bar')
self.assertEqual(L, original)
L.append('baz')
original = L[:]
self.assertEqual(f(L), 'foo, bar, and baz')
self.assertEqual(f(L, And='or'), 'foo, bar, or baz')
self.assertEqual(f(L, comma=';'), 'foo; bar; and baz')
self.assertEqual(f(L, comma=';', And='or'),
'foo; bar; or baz')
self.assertEqual(L, original)
self.failUnless(f(set(L)))
def testCommaAndifyRaisesTypeError(self):
L = [(2,)]
self.assertRaises(TypeError, utils.str.commaAndify, L)
L.append((3,))
self.assertRaises(TypeError, utils.str.commaAndify, L)
def testUnCommaThe(self):
f = utils.str.unCommaThe
self.assertEqual(f('foo bar'), 'foo bar')
self.assertEqual(f('foo bar, the'), 'the foo bar')
self.assertEqual(f('foo bar, The'), 'The foo bar')
self.assertEqual(f('foo bar,the'), 'the foo bar')
def testNormalizeWhitespace(self):
f = utils.str.normalizeWhitespace
self.assertEqual(f('foo bar'), 'foo bar')
self.assertEqual(f('foo\nbar'), 'foo bar')
self.assertEqual(f('foo\tbar'), 'foo bar')
def testNItems(self):
nItems = utils.str.nItems
self.assertEqual(nItems(0, 'tool'), '0 tools')
self.assertEqual(nItems(1, 'tool', 'crazy'), '1 crazy tool')
self.assertEqual(nItems(1, 'tool'), '1 tool')
self.assertEqual(nItems(2, 'tool', 'crazy'), '2 crazy tools')
self.assertEqual(nItems(2, 'tool'), '2 tools')
def testEllipsisify(self):
f = utils.str.ellipsisify
self.assertEqual(f('x'*30, 30), 'x'*30)
self.failUnless(len(f('x'*35, 30)) <= 30)
self.failUnless(f(' '.join(['xxxx']*10), 30)[:-3].endswith('xxxx'))
class IterTest(SupyTestCase):
def testRandomChoice(self):
choice = utils.iter.choice
self.assertRaises(IndexError, choice, {})
L = [1, 2]
i = iter(L)
L1 = False
L2 = False
i1 = False
i2 = False
for n in xrange(100):
ans = choice(L)
if ans == 1:
L1 = True
else:
L2 = True
ans = choice(i)
if ans == 1:
i1 = True
else:
i2 = True
self.assertEqual(L1 and L2, True,
'utils.iter.choice isn\'t being random with lists')
self.assertEqual(i1 and i2, True,
'utils.iter.choice isn\'t being random with iterables')
## def testGroup(self):
## group = utils.iter.group
## s = '1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Nc3 e6 5. Bd3 a6'
## self.assertEqual(group(s.split(), 3)[:3],
## [['1.', 'd4', 'd5'],
## ['2.', 'Nf3', 'Nc6'],
## ['3.', 'e3', 'Nf6']])
def testAny(self):
any = utils.iter.any
self.failUnless(any(lambda i: i == 0, range(10)))
self.failIf(any(None, range(1)))
self.failUnless(any(None, range(2)))
self.failIf(any(None, []))
def testAll(self):
all = utils.iter.all
self.failIf(all(lambda i: i == 0, range(10)))
self.failIf(all(lambda i: i % 2, range(2)))
self.failIf(all(lambda i: i % 2 == 0, [1, 3, 5]))
self.failUnless(all(lambda i: i % 2 == 0, [2, 4, 6]))
self.failUnless(all(None, ()))
def testPartition(self):
partition = utils.iter.partition
L = range(10)
def even(i):
return not(i % 2)
(yes, no) = partition(even, L)
self.assertEqual(yes, [0, 2, 4, 6, 8])
self.assertEqual(no, [1, 3, 5, 7, 9])
def testIlen(self):
ilen = utils.iter.ilen
self.assertEqual(ilen(iter(range(10))), 10)
def testSplit(self):
itersplit = utils.iter.split
L = [1, 2, 3] * 3
s = 'foo bar baz'
self.assertEqual(list(itersplit(lambda x: x == 3, L)),
[[1, 2], [1, 2], [1, 2]])
self.assertEqual(list(itersplit(lambda x: x == 3, L, yieldEmpty=True)),
[[1, 2], [1, 2], [1, 2], []])
self.assertEqual(list(itersplit(lambda x: x, [])), [])
self.assertEqual(list(itersplit(lambda c: c.isspace(), s)),
map(list, s.split()))
self.assertEqual(list(itersplit('for'.__eq__, ['foo', 'for', 'bar'])),
[['foo'], ['bar']])
self.assertEqual(list(itersplit('for'.__eq__,
['foo','for','bar','for', 'baz'], 1)),
[['foo'], ['bar', 'for', 'baz']])
def testFlatten(self):
def lflatten(seq):
return list(utils.iter.flatten(seq))
self.assertEqual(lflatten([]), [])
self.assertEqual(lflatten([1]), [1])
self.assertEqual(lflatten(range(10)), range(10))
twoRanges = range(10)*2
twoRanges.sort()
self.assertEqual(lflatten(zip(range(10), range(10))), twoRanges)
self.assertEqual(lflatten([1, [2, 3], 4]), [1, 2, 3, 4])
self.assertEqual(lflatten([[[[[[[[[[]]]]]]]]]]), [])
self.assertEqual(lflatten([1, [2, [3, 4], 5], 6]), [1, 2, 3, 4, 5, 6])
self.assertRaises(TypeError, lflatten, 1)
class FileTest(SupyTestCase):
def testLines(self):
L = ['foo', 'bar', '#baz', ' ', 'biff']
self.assertEqual(list(utils.file.nonEmptyLines(L)),
['foo', 'bar', '#baz', 'biff'])
self.assertEqual(list(utils.file.nonCommentLines(L)),
['foo', 'bar', ' ', 'biff'])
self.assertEqual(list(utils.file.nonCommentNonEmptyLines(L)),
['foo', 'bar', 'biff'])
def testMktemp(self):
# This is mostly to test that it actually halts.
self.failUnless(utils.file.mktemp())
self.failUnless(utils.file.mktemp())
self.failUnless(utils.file.mktemp())
class NetTest(SupyTestCase):
def testEmailRe(self):
emailRe = utils.net.emailRe
self.failUnless(emailRe.match('jemfinch@supybot.com'))
def testIsIP(self):
isIP = utils.net.isIP
self.failIf(isIP('a.b.c'))
self.failIf(isIP('256.0.0.0'))
self.failUnless(isIP('127.1'))
self.failUnless(isIP('0.0.0.0'))
self.failUnless(isIP('100.100.100.100'))
# This test is too flaky to bother with.
# self.failUnless(utils.isIP('255.255.255.255'))
def testIsIPV6(self):
f = utils.net.isIPV6
self.failUnless(f('2001::'))
self.failUnless(f('2001:888:0:1::666'))
class WebTest(SupyTestCase):
def testGetDomain(self):
url = 'http://slashdot.org/foo/bar.exe'
self.assertEqual(utils.web.getDomain(url), 'slashdot.org')
if network:
def testGetUrlWithSize(self):
url = 'http://slashdot.org/'
self.failUnless(len(utils.web.getUrl(url, 1024)) == 1024)
class FormatTestCase(SupyTestCase):
def testNormal(self):
format = utils.str.format
self.assertEqual(format('I have %n of fruit: %L.', (3, 'kind'),
['apples', 'oranges', 'watermelon']),
'I have 3 kinds of fruit: '
'apples, oranges, and watermelon.')
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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