mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-30 02:34:04 +01:00
f40c2db05a
Fix a bug in ``logcontext.preserve_fn`` which made it leak context into the reactor, and add a test for it. Also, get rid of ``logcontext.reset_context_after_deferred``, which tried to do the same thing but had its own, different, set of bugs.
96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
import twisted.python.failure
|
|
from twisted.internet import defer
|
|
from twisted.internet import reactor
|
|
from .. import unittest
|
|
|
|
from synapse.util.async import sleep
|
|
from synapse.util import logcontext
|
|
from synapse.util.logcontext import LoggingContext
|
|
|
|
|
|
class LoggingContextTestCase(unittest.TestCase):
|
|
|
|
def _check_test_key(self, value):
|
|
self.assertEquals(
|
|
LoggingContext.current_context().test_key, value
|
|
)
|
|
|
|
def test_with_context(self):
|
|
with LoggingContext() as context_one:
|
|
context_one.test_key = "test"
|
|
self._check_test_key("test")
|
|
|
|
@defer.inlineCallbacks
|
|
def test_sleep(self):
|
|
@defer.inlineCallbacks
|
|
def competing_callback():
|
|
with LoggingContext() as competing_context:
|
|
competing_context.test_key = "competing"
|
|
yield sleep(0)
|
|
self._check_test_key("competing")
|
|
|
|
reactor.callLater(0, competing_callback)
|
|
|
|
with LoggingContext() as context_one:
|
|
context_one.test_key = "one"
|
|
yield sleep(0)
|
|
self._check_test_key("one")
|
|
|
|
def _test_preserve_fn(self, function):
|
|
sentinel_context = LoggingContext.current_context()
|
|
|
|
callback_completed = [False]
|
|
|
|
@defer.inlineCallbacks
|
|
def cb():
|
|
context_one.test_key = "one"
|
|
yield function()
|
|
self._check_test_key("one")
|
|
|
|
callback_completed[0] = True
|
|
|
|
with LoggingContext() as context_one:
|
|
context_one.test_key = "one"
|
|
|
|
# fire off function, but don't wait on it.
|
|
logcontext.preserve_fn(cb)()
|
|
|
|
self._check_test_key("one")
|
|
|
|
# now wait for the function under test to have run, and check that
|
|
# the logcontext is left in a sane state.
|
|
d2 = defer.Deferred()
|
|
|
|
def check_logcontext():
|
|
if not callback_completed[0]:
|
|
reactor.callLater(0.01, check_logcontext)
|
|
return
|
|
|
|
# make sure that the context was reset before it got thrown back
|
|
# into the reactor
|
|
try:
|
|
self.assertIs(LoggingContext.current_context(),
|
|
sentinel_context)
|
|
d2.callback(None)
|
|
except BaseException:
|
|
d2.errback(twisted.python.failure.Failure())
|
|
|
|
reactor.callLater(0.01, check_logcontext)
|
|
|
|
# test is done once d2 finishes
|
|
return d2
|
|
|
|
def test_preserve_fn_with_blocking_fn(self):
|
|
@defer.inlineCallbacks
|
|
def blocking_function():
|
|
yield sleep(0)
|
|
|
|
return self._test_preserve_fn(blocking_function)
|
|
|
|
def test_preserve_fn_with_non_blocking_fn(self):
|
|
@defer.inlineCallbacks
|
|
def nonblocking_function():
|
|
with logcontext.PreserveLoggingContext():
|
|
yield defer.succeed(None)
|
|
|
|
return self._test_preserve_fn(nonblocking_function)
|