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test_util.py
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# test_utils.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
import tempfile
import time
from unittest import skipIf
from datetime import datetime
import ddt
from git.cmd import dashify
from git.compat import string_types, is_win
from git.objects.util import (
altz_to_utctz_str,
utctz_to_altz,
verify_utctz,
parse_date,
tzoffset,
from_timestamp)
from git.test.lib import (
TestBase,
assert_equal
)
from git.util import (
LockFile,
BlockingLockFile,
get_user_id,
Actor,
IterableList,
cygpath,
decygpath
)
_norm_cygpath_pairs = (
(r'foo\bar', 'foo/bar'),
(r'foo/bar', 'foo/bar'),
(r'C:\Users', '/cygdrive/c/Users'),
(r'C:\d/e', '/cygdrive/c/d/e'),
('C:\\', '/cygdrive/c/'),
(r'\\server\C$\Users', '//server/C$/Users'),
(r'\\server\C$', '//server/C$'),
('\\\\server\\c$\\', '//server/c$/'),
(r'\\server\BAR/', '//server/BAR/'),
(r'D:/Apps', '/cygdrive/d/Apps'),
(r'D:/Apps\fOO', '/cygdrive/d/Apps/fOO'),
(r'D:\Apps/123', '/cygdrive/d/Apps/123'),
)
_unc_cygpath_pairs = (
(r'\\?\a:\com', '/cygdrive/a/com'),
(r'\\?\a:/com', '/cygdrive/a/com'),
(r'\\?\UNC\server\D$\Apps', '//server/D$/Apps'),
)
class TestIterableMember(object):
"""A member of an iterable list"""
__slots__ = "name"
def __init__(self, name):
self.name = name
def __repr__(self):
return "TestIterableMember(%r)" % self.name
@ddt.ddt
class TestUtils(TestBase):
def setup(self):
self.testdict = {
"string": "42",
"int": 42,
"array": [42],
}
@skipIf(not is_win, "Paths specifically for Windows.")
@ddt.idata(_norm_cygpath_pairs + _unc_cygpath_pairs)
def test_cygpath_ok(self, case):
wpath, cpath = case
cwpath = cygpath(wpath)
self.assertEqual(cwpath, cpath, wpath)
@skipIf(not is_win, "Paths specifically for Windows.")
@ddt.data(
(r'./bar', 'bar'),
(r'.\bar', 'bar'),
(r'../bar', '../bar'),
(r'..\bar', '../bar'),
(r'../bar/.\foo/../chu', '../bar/chu'),
)
def test_cygpath_norm_ok(self, case):
wpath, cpath = case
cwpath = cygpath(wpath)
self.assertEqual(cwpath, cpath or wpath, wpath)
@skipIf(not is_win, "Paths specifically for Windows.")
@ddt.data(
r'C:',
r'C:Relative',
r'D:Apps\123',
r'D:Apps/123',
r'\\?\a:rel',
r'\\share\a:rel',
)
def test_cygpath_invalids(self, wpath):
cwpath = cygpath(wpath)
self.assertEqual(cwpath, wpath.replace('\\', '/'), wpath)
@skipIf(not is_win, "Paths specifically for Windows.")
@ddt.idata(_norm_cygpath_pairs)
def test_decygpath(self, case):
wpath, cpath = case
wcpath = decygpath(cpath)
self.assertEqual(wcpath, wpath.replace('/', '\\'), cpath)
def test_it_should_dashify(self):
assert_equal('this-is-my-argument', dashify('this_is_my_argument'))
assert_equal('foo', dashify('foo'))
def test_lock_file(self):
my_file = tempfile.mktemp()
lock_file = LockFile(my_file)
assert not lock_file._has_lock()
# release lock we don't have - fine
lock_file._release_lock()
# get lock
lock_file._obtain_lock_or_raise()
assert lock_file._has_lock()
# concurrent access
other_lock_file = LockFile(my_file)
assert not other_lock_file._has_lock()
self.failUnlessRaises(IOError, other_lock_file._obtain_lock_or_raise)
lock_file._release_lock()
assert not lock_file._has_lock()
other_lock_file._obtain_lock_or_raise()
self.failUnlessRaises(IOError, lock_file._obtain_lock_or_raise)
# auto-release on destruction
del(other_lock_file)
lock_file._obtain_lock_or_raise()
lock_file._release_lock()
def test_blocking_lock_file(self):
my_file = tempfile.mktemp()
lock_file = BlockingLockFile(my_file)
lock_file._obtain_lock()
# next one waits for the lock
start = time.time()
wait_time = 0.1
wait_lock = BlockingLockFile(my_file, 0.05, wait_time)
self.failUnlessRaises(IOError, wait_lock._obtain_lock)
elapsed = time.time() - start
extra_time = 0.02
if is_win:
# for Appveyor
extra_time *= 6 # NOTE: Indeterministic failures here...
self.assertLess(elapsed, wait_time + extra_time)
def test_user_id(self):
self.assertIn('@', get_user_id())
def test_parse_date(self):
# test all supported formats
def assert_rval(rval, veri_time, offset=0):
self.assertEqual(len(rval), 2)
self.assertIsInstance(rval[0], int)
self.assertIsInstance(rval[1], int)
self.assertEqual(rval[0], veri_time)
self.assertEqual(rval[1], offset)
# now that we are here, test our conversion functions as well
utctz = altz_to_utctz_str(offset)
self.assertIsInstance(utctz, string_types)
self.assertEqual(utctz_to_altz(verify_utctz(utctz)), offset)
# END assert rval utility
rfc = ("Thu, 07 Apr 2005 22:13:11 +0000", 0)
iso = ("2005-04-07T22:13:11 -0200", 7200)
iso2 = ("2005-04-07 22:13:11 +0400", -14400)
iso3 = ("2005.04.07 22:13:11 -0000", 0)
alt = ("04/07/2005 22:13:11", 0)
alt2 = ("07.04.2005 22:13:11", 0)
veri_time_utc = 1112911991 # the time this represents, in time since epoch, UTC
for date, offset in (rfc, iso, iso2, iso3, alt, alt2):
assert_rval(parse_date(date), veri_time_utc, offset)
# END for each date type
# and failure
self.failUnlessRaises(ValueError, parse_date, 'invalid format')
self.failUnlessRaises(ValueError, parse_date, '123456789 -02000')
self.failUnlessRaises(ValueError, parse_date, ' 123456789 -0200')
def test_actor(self):
for cr in (None, self.rorepo.config_reader()):
self.assertIsInstance(Actor.committer(cr), Actor)
self.assertIsInstance(Actor.author(cr), Actor)
# END assure config reader is handled
@ddt.data(('name', ''), ('name', 'prefix_'))
def test_iterable_list(self, case):
name, prefix = case
ilist = IterableList(name, prefix)
name1 = "one"
name2 = "two"
m1 = TestIterableMember(prefix + name1)
m2 = TestIterableMember(prefix + name2)
ilist.extend((m1, m2))
self.assertEqual(len(ilist), 2)
# contains works with name and identity
self.assertIn(name1, ilist)
self.assertIn(name2, ilist)
self.assertIn(m2, ilist)
self.assertIn(m2, ilist)
self.assertNotIn('invalid', ilist)
# with string index
self.assertIs(ilist[name1], m1)
self.assertIs(ilist[name2], m2)
# with int index
self.assertIs(ilist[0], m1)
self.assertIs(ilist[1], m2)
# with getattr
self.assertIs(ilist.one, m1)
self.assertIs(ilist.two, m2)
# test exceptions
self.failUnlessRaises(AttributeError, getattr, ilist, 'something')
self.failUnlessRaises(IndexError, ilist.__getitem__, 'something')
# delete by name and index
self.failUnlessRaises(IndexError, ilist.__delitem__, 'something')
del(ilist[name2])
self.assertEqual(len(ilist), 1)
self.assertNotIn(name2, ilist)
self.assertIn(name1, ilist)
del(ilist[0])
self.assertNotIn(name1, ilist)
self.assertEqual(len(ilist), 0)
self.failUnlessRaises(IndexError, ilist.__delitem__, 0)
self.failUnlessRaises(IndexError, ilist.__delitem__, 'something')
def test_from_timestamp(self):
# Correct offset: UTC+2, should return datetime + tzoffset(+2)
altz = utctz_to_altz('+0200')
self.assertEqual(datetime.fromtimestamp(1522827734, tzoffset(altz)), from_timestamp(1522827734, altz))
# Wrong offset: UTC+58, should return datetime + tzoffset(UTC)
altz = utctz_to_altz('+5800')
self.assertEqual(datetime.fromtimestamp(1522827734, tzoffset(0)), from_timestamp(1522827734, altz))
# Wrong offset: UTC-9000, should return datetime + tzoffset(UTC)
altz = utctz_to_altz('-9000')
self.assertEqual(datetime.fromtimestamp(1522827734, tzoffset(0)), from_timestamp(1522827734, altz))
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