def run(self):
print("inside ID", Local._get_context_id())
# Make sure the attribute is not there
try:
test_local.foo
self.failed = "leak inside"
return
except AttributeError:
pass
# Check the value is good
self.failed = "set inside"
test_local.foo = 123
assert test_local.foo == 123
# Binary signal that these tests passed to the outer thread
self.failed = ""
def test_local_thread_nested():
"""
Tests that local does not leak across threads
"""
test_local = Local()
# Unassigned should be an error
with pytest.raises(AttributeError):
test_local.foo
print("outside ID", Local._get_context_id())
# Assign and check it does not persist inside the thread
class TestThread(threading.Thread):
# Failure reason
failed = "unknown"
def run(self):
print("inside ID", Local._get_context_id())
# Make sure the attribute is not there
try:
test_local.foo
self.failed = "leak inside"
return
except AttributeError:
pass
# Check the value is good
self.failed = "set inside"
test_local.foo = 123
assert test_local.foo == 123
# Binary signal that these tests passed to the outer thread
self.failed = ""
test_local.foo = 8
thread = TestThread()
thread.start()
thread.join()
assert thread.failed == ""
# Check it didn't leak back out
assert test_local.foo == 8
