def test_lockmanager_lock_returns_lockfile(tmpdir):
lockman = LockManager()
try:
actual_file = lockman.lock(str(tmpdir))
except OSError:
raise
else:
expected_file = tmpdir.join(lockman.filename)
assert str(expected_file) == actual_file
def test_lockmanager_lock(nlocks, tmpdir):
lockman = LockManager()
dir_template = 'dir{}'
expected_list = SortedList()
for n in range(nlocks):
try:
path = tmpdir.mkdir(dir_template.format(n))
lockman.lock(str(path))
except OSError:
raise
else:
expected_list.add(join(str(path), lockman.filename))
actual_list = SortedList(lockman.locks)
assert expected_list == actual_list
for e in expected_list:
assert isfile(e)
def test_lockmanager_release(nlocks, tmpdir):
lockman = LockManager()
dir_template = 'dir{}'
lock_list = []
for n in range(nlocks):
try:
path = tmpdir.mkdir(dir_template.format(n))
lockman.lock(str(path))
except OSError:
raise
else:
lock_list.append(join(str(path), lockman.filename))
while len(lock_list) is not 0:
lockfile = lock_list.pop()
assert lockfile in lockman.locks
try:
lockman.release(lockfile)
except OSError:
raise
else:
assert lockfile not in lockman.locks
assert len(lockman.locks) is 0
def test_lockmanager_modifiedtime_updated(tmpdir):
lockman = LockManager()
try:
lockman.lock(str(tmpdir))
except OSError:
raise
else:
lockfile = tmpdir.join(lockman.filename)
assert isfile(str(lockfile))
pre_time = lockfile.mtime()
sleep(1)
try:
lockman.lock(str(tmpdir))
except OSError:
raise
else:
post_time = lockfile.mtime()
assert pre_time < post_time
def test_lockmanager_release_suppress_filenotfounderror(tmpdir):
lockman = LockManager()
try:
lockman.lock(str(tmpdir))
except OSError:
raise
else:
lockfile = tmpdir.join(lockman.filename)
try:
lockfile.remove()
except OSError:
raise
try:
lockman.release(str(lockfile))
except FileNotFoundError:
pytest.fail('LockManager.release raised a FileNotFoundError.')
except OSError:
raise
else:
assert len(lockman.locks) is 0
def test_lockmanager_release_all_suppress_filenotfounderror(nlocks, tmpdir):
lockman = LockManager()
dir_template = 'dir{}'
for n in range(nlocks):
try:
path = tmpdir.mkdir(dir_template.format(n))
lockman.lock(str(path))
except OSError:
raise
try:
path.join(lockman.filename).remove()
except OSError:
raise
try:
lockman.release_all()
except FileNotFoundError:
pytest.fail('LockManager.release_all raised a FileNotFoundError.')
except OSError:
raise
else:
assert len(lockman.locks) is 0
def test_lockmanager_release_all(nlocks, tmpdir):
lockman = LockManager()
dir_template = 'dir{}'
lock_list = []
for n in range(nlocks):
try:
path = tmpdir.mkdir(dir_template.format(n))
lockman.lock(str(path))
except OSError:
raise
else:
lock_list.append(join(str(path), lockman.filename))
try:
lockman.release_all()
except OSError:
raise
else:
assert len(lockman.locks) is 0
for l in lock_list:
assert not isfile(l)
def test_lockmanager_filename_default():
assert isinstance(LockManager().filename, str)
assert LockManager().filename is LockManager()._filename
def test_lockmanager_list_default():
assert isinstance(LockManager().locks, list)
assert len(LockManager().locks) is 0