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import unittest
from unittest.mock import MagicMock
from pika.frame import Method, Header
from pika.exceptions import DuplicateGetOkCallback
from pika.channel import Channel
from pika.connection import Connection
class OnlyOneBasicGetTestCase(unittest.TestCase):
def setUp(self):
self.channel = Channel(MagicMock(Connection)(), 0, None)
self.channel._state = Channel.OPEN
self.callback = MagicMock()
def test_two_basic_get_with_callback(self):
self.channel.basic_get('test-queue', self.callback)
self.channel._on_getok(MagicMock(Method)(), MagicMock(Header)(), '')
self.channel.basic_get('test-queue', self.callback)
self.channel._on_getok(MagicMock(Method)(), MagicMock(Header)(), '')
self.assertEqual(self.callback.call_count, 2)
def test_two_basic_get_without_callback(self):
self.channel.basic_get('test-queue', self.callback)
with self.assertRaises(DuplicateGetOkCallback):
self.channel.basic_get('test-queue', self.callback)
if __name__ == '__main__':
unittest.main()
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