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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
from git.test.lib import (
TestBase,
assert_equal
)
from git.util import (
LockFile,
BlockingLockFile,
get_user_id,
Actor,
IterableList
)
from git.objects.util import (
altz_to_utctz_str,
utctz_to_altz,
verify_utctz,
parse_date,
)
from git.cmd import dashify
from git.compat import string_types, is_win
import time
class TestIterableMember(object):
"""A member of an iterable list"""
__slots__ = ("name", "prefix_name")
def __init__(self, name):
self.name = name
self.prefix_name = name
class TestUtils(TestBase):
def setup(self):
self.testdict = {
"string": "42",
"int": 42,
"array": [42],
}
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):
assert '@' in get_user_id()
def test_parse_date(self):
# test all supported formats
def assert_rval(rval, veri_time, offset=0):
assert len(rval) == 2
assert isinstance(rval[0], int) and isinstance(rval[1], int)
assert rval[0] == veri_time
assert rval[1] == offset
# now that we are here, test our conversion functions as well
utctz = altz_to_utctz_str(offset)
assert isinstance(utctz, string_types)
assert 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()):
assert isinstance(Actor.committer(cr), Actor)
assert isinstance(Actor.author(cr), Actor)
# END assure config reader is handled
def test_iterable_list(self):
for args in (('name',), ('name', 'prefix_')):
l = IterableList('name')
m1 = TestIterableMember('one')
m2 = TestIterableMember('two')
l.extend((m1, m2))
assert len(l) == 2
# contains works with name and identity
assert m1.name in l
assert m2.name in l
assert m2 in l
assert m2 in l
assert 'invalid' not in l
# with string index
assert l[m1.name] is m1
assert l[m2.name] is m2
# with int index
assert l[0] is m1
assert l[1] is m2
# with getattr
assert l.one is m1
assert l.two is m2
# test exceptions
self.failUnlessRaises(AttributeError, getattr, l, 'something')
self.failUnlessRaises(IndexError, l.__getitem__, 'something')
# delete by name and index
self.failUnlessRaises(IndexError, l.__delitem__, 'something')
del(l[m2.name])
assert len(l) == 1
assert m2.name not in l and m1.name in l
del(l[0])
assert m1.name not in l
assert len(l) == 0
self.failUnlessRaises(IndexError, l.__delitem__, 0)
self.failUnlessRaises(IndexError, l.__delitem__, 'something')
# END for each possible mode
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