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# Copyright (c) Microsoft Corporation.
# Licensed under the MIT license.
from threading import Thread
import unittest
from infinibatch.closablequeue import ClosableQueue, ClosedException
class TestClosableQueue(unittest.TestCase):
def setUp(self):
self.queue = ClosableQueue(maxsize=10)
def put_items(self, items, close=False):
for item in items:
self.queue.put(item)
if close:
self.queue.close()
def get_items(self, num_items):
return [self.queue.get() for _ in range(num_items)]
def test_basic(self):
self.put_items(range(10))
self.assertListEqual(self.get_items(10), list(range(10)))
def test_closed_put(self):
self.queue.close()
self.assertRaises(ClosedException, self.queue.put, 42)
def test_closed_get(self):
self.put_items(range(10))
self.queue.close()
self.assertListEqual(self.get_items(10), list(range(10)))
self.assertRaises(ClosedException, self.queue.get)
def test_basic_two_threads(self):
thread = Thread(target=self.put_items, args=(range(20),))
thread.start()
result = self.get_items(20)
thread.join()
self.assertListEqual(result, list(range(20)))
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