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asyncio: WriteTransport.set_write_buffer_size to call _maybe_pause_protocol

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This commit is contained in:
Yury Selivanov 2014-02-19 11:10:52 -05:00
parent 03e9cb2b0b
commit 2d01c0a080
2 changed files with 29 additions and 2 deletions
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23
Lib/test/test_asyncio/test_transports.py
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@ -4,6 +4,7 @@ import unittest
import unittest.mock
import asyncio
from asyncio import transports
class TransportTests(unittest.TestCase):
@ -60,6 +61,28 @@ class TransportTests(unittest.TestCase):
self.assertRaises(NotImplementedError, transport.terminate)
self.assertRaises(NotImplementedError, transport.kill)
def test_flowcontrol_mixin_set_write_limits(self):
class MyTransport(transports._FlowControlMixin,
transports.Transport):
def get_write_buffer_size(self):
return 512
transport = MyTransport()
transport._protocol = unittest.mock.Mock()
self.assertFalse(transport._protocol_paused)
with self.assertRaisesRegex(ValueError, 'high.*must be >= low'):
transport.set_write_buffer_limits(high=0, low=1)
transport.set_write_buffer_limits(high=1024, low=128)
self.assertFalse(transport._protocol_paused)
transport.set_write_buffer_limits(high=256, low=128)
self.assertTrue(transport._protocol_paused)
if __name__ == '__main__':
unittest.main()