summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorskip.montanaro <skip.montanaro@gmail.com>2011-04-13 02:44:18 +0000
committerskip.montanaro <skip.montanaro@gmail.com>2011-04-13 02:44:18 +0000
commitf5bae872d53805fe6f356addec85dfdc16437a7b (patch)
treebc777669720e2e72964dc2d43853638228c22844
parent1bd2847f2a57c28b4d7f61b6e42d65736eb77daa (diff)
downloadlockfile-f5bae872d53805fe6f356addec85dfdc16437a7b.tar.gz
merge delete
-rw-r--r--compliancetest.py185
1 files changed, 0 insertions, 185 deletions
diff --git a/compliancetest.py b/compliancetest.py
deleted file mode 100644
index 66c295b..0000000
--- a/compliancetest.py
+++ /dev/null
@@ -1,185 +0,0 @@
-import os
-import threading
-import shutil
-
-import lockfile
-
-class ComplianceTest(object):
- def __init__(self):
- self.saved_class = lockfile.FileLock
-
- def _testfile(self):
- """Return platform-appropriate file. Helper for tests."""
- import tempfile
- return os.path.join(tempfile.gettempdir(), 'trash-%s' % os.getpid())
-
- def setup(self):
- lockfile.FileLock = self.class_to_test
-
- def teardown(self):
- tf = self._testfile()
- if os.path.isdir(tf):
- shutil.rmtree(tf)
- elif os.path.isfile(tf):
- os.unlink(tf)
- lockfile.FileLock = self.saved_class
-
- def test_acquire_basic(self):
- # As simple as it gets.
- for tbool in (True, False):
- lock = lockfile.FileLock(self._testfile(), threaded=tbool)
- lock.acquire()
- assert lock.is_locked()
- lock.release()
- assert not lock.is_locked()
-
- def test_acquire_no_timeout(self):
- # No timeout test
- for tbool in (True, False):
- e1, e2 = threading.Event(), threading.Event()
- t = _in_thread(self._lock_wait_unlock, e1, e2)
- e1.wait() # wait for thread t to acquire lock
- lock2 = lockfile.FileLock(self._testfile(), threaded=tbool)
- assert lock2.is_locked()
- assert not lock2.i_am_locking()
-
- try:
- lock2.acquire(timeout=-1)
- except lockfile.AlreadyLocked:
- pass
- else:
- lock2.release()
- raise AssertionError("did not raise AlreadyLocked in"
- " thread %s" %
- threading.current_thread().get_name())
-
- e2.set() # tell thread t to release lock
- t.join()
-
- def test_acquire_with_timeout(self):
- # Timeout test
- for tbool in (True, False):
- e1, e2 = threading.Event(), threading.Event()
- t = _in_thread(self._lock_wait_unlock, e1, e2)
- e1.wait() # wait for thread t to acquire filelock
- lock2 = lockfile.FileLock(self._testfile(), threaded=tbool)
- assert lock2.is_locked()
- try:
- lock2.acquire(timeout=0.1)
- except lockfile.LockTimeout:
- pass
- else:
- lock2.release()
- raise AssertionError("did not raise LockTimeout in thread %s" %
- threading.current_thread().get_name())
-
- e2.set()
- t.join()
-
- def test_release_basic(self):
- for tbool in (True, False):
- lock = lockfile.FileLock(self._testfile(), threaded=tbool)
- lock.acquire()
- assert lock.is_locked()
- lock.release()
- assert not lock.is_locked()
- assert not lock.i_am_locking()
- try:
- lock.release()
- except lockfile.NotLocked:
- pass
- except lockfile.NotMyLock:
- raise AssertionError('unexpected exception: %s' %
- lockfile.NotMyLock)
- else:
- raise AssertionError('erroneously unlocked file')
-
- def test_release_threaded(self):
- for tbool in (True, False):
- e1, e2 = threading.Event(), threading.Event()
- t = _in_thread(self._lock_wait_unlock, e1, e2)
- e1.wait()
- lock2 = lockfile.FileLock(self._testfile(), threaded=tbool)
- assert lock2.is_locked()
- assert not lock2.i_am_locking()
- try:
- lock2.release()
- except lockfile.NotMyLock:
- pass
- else:
- raise AssertionError('erroneously unlocked a file locked'
- ' by another thread.')
- e2.set()
- t.join()
-
- def test_is_locked(self):
- for tbool in (True, False):
- lock = lockfile.FileLock(self._testfile(), threaded=tbool)
- lock.acquire()
- assert lock.is_locked()
- lock.release()
- assert not lock.is_locked()
-
- def test_i_am_locking(self):
- lock1 = lockfile.FileLock(self._testfile(), threaded=False)
- lock1.acquire()
- assert lock1.is_locked()
- lock2 = lockfile.FileLock(self._testfile())
- assert lock1.i_am_locking()
- assert not lock2.i_am_locking()
- try:
- lock2.acquire(timeout=2)
- except lockfile.LockTimeout:
- lock2.break_lock()
- assert not lock2.is_locked()
- assert not lock1.is_locked()
- lock2.acquire()
- else:
- raise AssertionError('expected LockTimeout...')
- assert not lock1.i_am_locking()
- assert lock2.i_am_locking()
- lock2.release()
-
- def test_break_lock(self):
- for tbool in (True, False):
- lock = lockfile.FileLock(self._testfile(), threaded=tbool)
- lock.acquire()
- assert lock.is_locked()
- lock2 = lockfile.FileLock(self._testfile(), threaded=tbool)
- assert lock2.is_locked()
- lock2.break_lock()
- assert not lock2.is_locked()
- try:
- lock.release()
- except lockfile.NotLocked:
- pass
- else:
- raise AssertionError('break lock failed')
-
- def _lock_wait_unlock(self, event1, event2):
- """Lock from another thread. Helper for tests."""
- l = lockfile.FileLock(self._testfile())
- l.acquire()
- try:
- event1.set() # we're in,
- event2.wait() # wait for boss's permission to leave
- finally:
- l.release()
-
- def test_enter(self):
- lock = lockfile.FileLock(self._testfile())
- lock.acquire()
- try:
- assert lock.is_locked(), "Not locked after acquire!"
- finally:
- lock.release()
- assert not lock.is_locked(), "still locked after release!"
-
-def _in_thread(func, *args, **kwargs):
- """Execute func(*args, **kwargs) after dt seconds. Helper for tests."""
- def _f():
- func(*args, **kwargs)
- t = threading.Thread(target=_f, name='/*/*')
- t.start()
- return t
-