def test_basic_local():
"""Basic local object support"""
l = Local()
l.foo = 0
values = []
def value_setter(idx):
time.sleep(0.01 * idx)
l.foo = idx
time.sleep(0.02)
values.append(l.foo)
threads = [Thread(target=value_setter, args=(x,)) for x in [1, 2, 3]]
for thread in threads:
thread.start()
time.sleep(0.2)
assert sorted(values) == [1, 2, 3]
def delfoo():
del l.foo
delfoo()
assert_raises(AttributeError, lambda: l.foo)
assert_raises(AttributeError, delfoo)
release_local(l)
def test_local_release():
"""Locals work without manager"""
loc = Local()
loc.foo = 42
release_local(loc)
assert not hasattr(loc, "foo")
ls = LocalStack()
ls.push(42)
release_local(ls)
assert ls.top is None
def test_custom_idents():
"""Local manager supports custom ident functions"""
ident = 0
local = Local()
stack = LocalStack()
mgr = LocalManager([local, stack], ident_func=lambda: ident)
local.foo = 42
stack.push({"foo": 42})
ident = 1
local.foo = 23
stack.push({"foo": 23})
ident = 0
assert local.foo == 42
assert stack.top["foo"] == 42
stack.pop()
assert stack.top is None
ident = 1
assert local.foo == 23
assert stack.top["foo"] == 23
stack.pop()
assert stack.top is None
