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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
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
assert elapsed