def test_lock_retries(tmpdir):
"""
2 thread want to lock a same file
Lock has zero retries
One thread will have LockError raised
"""
def lock_thread_retries(tmpdir, file_path):
with pytest.raises(LockError) as execinfo:
with FileLock(file_path, retries=0):
assert False # should never enter here, since max_tires is 0
assert "LOCKERROR" in str(execinfo.value)
from threading import Thread
package_name = "conda_file_3"
tmpfile = join(tmpdir.strpath, package_name)
t = Thread(target=lock_thread_retries, args=(tmpdir, tmpfile))
with FileLock(tmpfile) as lock1:
t.start()
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
t.join()
# lock should clean up after itself
assert not tmpdir.join(path).exists()
def test_filelock_passes(tmpdir):
package_name = "conda_file1"
tmpfile = join(tmpdir.strpath, package_name)
with FileLock(tmpfile) as lock:
path = basename(lock.lock_file_path)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
# lock should clean up after itself
assert not tmpdir.join(path).exists()
def test_filelock_locks(tmpdir):
"""
Test on file lock, multiple lock on same file
Lock error should raised
"""
package_name = "conda_file_2"
tmpfile = join(tmpdir.strpath, package_name)
with FileLock(tmpfile) as lock1:
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists()
with pytest.raises(LockError) as execinfo:
with FileLock(tmpfile, retries=1) as lock2:
assert False # this should never happen
assert lock2.path_to_lock == lock1.path_to_lock
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
# lock should clean up after itself
assert not tmpdir.join(path).exists()
def test_filelock_locks(tmpdir):
package_name = "conda_file_2"
tmpfile = join(tmpdir.strpath, package_name)
with FileLock(tmpfile) as lock1:
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists()
with pytest.raises(LockError) as execinfo:
with FileLock(tmpfile, retries=1) as lock2:
assert False # this should never happen
assert lock2.path_to_lock == lock1.path_to_lock
if not on_win:
assert "LOCKERROR" in str(execinfo.value)
assert "conda is already doing something" in str(execinfo.value)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
# lock should clean up after itself
assert not tmpdir.join(path).exists()
def test_permission_file():
"""
Test when lock cannot be created due to permission
Make sure no exception raised
"""
from conda.auxlib.compat import Utf8NamedTemporaryFile
with Utf8NamedTemporaryFile(mode='r') as f:
if not isinstance(f.name, str):
return
with FileLock(f.name) as lock:
path = basename(lock.lock_file_path)
assert not exists(join(f.name, path))
def test_lock_retries(tmpdir):
from threading import Thread
package_name = "conda_file_3"
tmpfile = join(tmpdir.strpath, package_name)
t = Thread(target=lock_thread_retries, args=(tmpdir, tmpfile))
with FileLock(tmpfile) as lock1:
t.start()
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
t.join()
# lock should clean up after itself
assert not tmpdir.join(path).exists()
def test_lock_thread(tmpdir):
"""
2 thread want to lock a file
One thread will have LockError Raised
"""
def lock_thread(tmpdir, file_path):
with FileLock(file_path) as lock1:
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
assert not tmpdir.join(path).exists()
from threading import Thread
package_name = "conda_file_3"
tmpfile = join(tmpdir.strpath, package_name)
t = Thread(target=lock_thread, args=(tmpdir, tmpfile))
with FileLock(tmpfile) as lock1:
t.start()
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
t.join()
# lock should clean up after itself
assert not tmpdir.join(path).exists()
def lock_thread_retries(tmpdir, file_path):
with pytest.raises(LockError) as execinfo:
with FileLock(file_path, retries=0):
assert False # should never enter here, since max_tires is 0
assert "LOCKERROR" in str(execinfo.value)
def lock_thread(tmpdir, file_path):
with FileLock(file_path) as lock1:
path = basename(lock1.lock_file_path)
assert tmpdir.join(path).exists() and tmpdir.join(path).isfile()
assert not tmpdir.join(path).exists()
