def test_lock_validate_conflict():
""" _lock.validate raise exception on conflicting locks """
lock1 = _test.Bunch(name='foo', exclusive=True)
lock2 = _test.Bunch(name='baz', exclusive=False)
lock3 = _test.Bunch(name='foo', exclusive=False)
lock4 = _test.Bunch(name='bar', exclusive=True)
with assert_raises(_lock.LockConflict):
_lock.validate([lock1, lock2, lock3, lock4])
def test_lock_validate_happy():
""" _lock.validate returns ordered, squashed list of locks """
lock1 = _test.Bunch(name='foo', exclusive=True)
lock2 = _test.Bunch(name='baz', exclusive=False)
lock3 = _test.Bunch(name='foo', exclusive=True)
lock4 = _test.Bunch(name='bar', exclusive=True)
result = _lock.validate([lock1, lock2, lock3, lock4])
assert_equals(result, [lock4, lock2, lock1])
def test_lock_validate_empty():
""" _lock.validate returns empty list for empty sequence """
assert_equals([], _lock.validate(iter(())))
def test_lock_validate_none():
""" _lock.validate returns empty list for None """
assert_equals([], _lock.validate(None))