mirror of
https://github.com/element-hq/synapse.git
synced 2024-11-22 17:46:08 +03:00
134 lines
4.2 KiB
Python
134 lines
4.2 KiB
Python
import twisted.python.failure
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from twisted.internet import defer
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from twisted.internet import reactor
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from .. import unittest
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from synapse.util.async import sleep
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from synapse.util import logcontext
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from synapse.util.logcontext import LoggingContext
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class LoggingContextTestCase(unittest.TestCase):
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def _check_test_key(self, value):
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self.assertEquals(
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LoggingContext.current_context().test_key, value
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)
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def test_with_context(self):
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with LoggingContext() as context_one:
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context_one.test_key = "test"
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self._check_test_key("test")
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@defer.inlineCallbacks
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def test_sleep(self):
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@defer.inlineCallbacks
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def competing_callback():
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with LoggingContext() as competing_context:
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competing_context.test_key = "competing"
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yield sleep(0)
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self._check_test_key("competing")
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reactor.callLater(0, competing_callback)
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with LoggingContext() as context_one:
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context_one.test_key = "one"
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yield sleep(0)
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self._check_test_key("one")
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def _test_preserve_fn(self, function):
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sentinel_context = LoggingContext.current_context()
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callback_completed = [False]
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@defer.inlineCallbacks
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def cb():
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context_one.test_key = "one"
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yield function()
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self._check_test_key("one")
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callback_completed[0] = True
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with LoggingContext() as context_one:
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context_one.test_key = "one"
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# fire off function, but don't wait on it.
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logcontext.preserve_fn(cb)()
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self._check_test_key("one")
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# now wait for the function under test to have run, and check that
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# the logcontext is left in a sane state.
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d2 = defer.Deferred()
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def check_logcontext():
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if not callback_completed[0]:
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reactor.callLater(0.01, check_logcontext)
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return
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# make sure that the context was reset before it got thrown back
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# into the reactor
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try:
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self.assertIs(LoggingContext.current_context(),
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sentinel_context)
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d2.callback(None)
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except BaseException:
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d2.errback(twisted.python.failure.Failure())
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reactor.callLater(0.01, check_logcontext)
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# test is done once d2 finishes
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return d2
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def test_preserve_fn_with_blocking_fn(self):
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@defer.inlineCallbacks
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def blocking_function():
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yield sleep(0)
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return self._test_preserve_fn(blocking_function)
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def test_preserve_fn_with_non_blocking_fn(self):
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@defer.inlineCallbacks
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def nonblocking_function():
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with logcontext.PreserveLoggingContext():
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yield defer.succeed(None)
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return self._test_preserve_fn(nonblocking_function)
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@defer.inlineCallbacks
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def test_make_deferred_yieldable(self):
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# a function which retuns an incomplete deferred, but doesn't follow
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# the synapse rules.
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def blocking_function():
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d = defer.Deferred()
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reactor.callLater(0, d.callback, None)
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return d
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sentinel_context = LoggingContext.current_context()
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with LoggingContext() as context_one:
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context_one.test_key = "one"
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d1 = logcontext.make_deferred_yieldable(blocking_function())
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# make sure that the context was reset by make_deferred_yieldable
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self.assertIs(LoggingContext.current_context(), sentinel_context)
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yield d1
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# now it should be restored
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self._check_test_key("one")
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@defer.inlineCallbacks
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def test_make_deferred_yieldable_on_non_deferred(self):
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"""Check that make_deferred_yieldable does the right thing when its
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argument isn't actually a deferred"""
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with LoggingContext() as context_one:
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context_one.test_key = "one"
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d1 = logcontext.make_deferred_yieldable("bum")
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self._check_test_key("one")
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r = yield d1
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self.assertEqual(r, "bum")
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self._check_test_key("one")
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