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#!/usr/bin/env python3
# Copyright 2014 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import sys
import unittest
from queue import Empty, Full, Queue
# Needed because the test runner contains relative imports.
TOOLS_PATH = os.path.dirname(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.append(TOOLS_PATH)
from testrunner.local.pool import DefaultExecutionPool, drain_queue_async
def Run(x):
if x == 10:
raise Exception("Expected exception triggered by test.")
return x
class PoolTest(unittest.TestCase):
def testNormal(self):
results = set()
pool = DefaultExecutionPool()
pool.init(3)
for result in pool.imap_unordered(Run, [[x] for x in range(0, 10)]):
if result.heartbeat:
# Any result can be a heartbeat due to timings.
continue
results.add(result.value)
self.assertEqual(set(range(0, 10)), results)
def testException(self):
results = set()
pool = DefaultExecutionPool()
pool.init(3)
with self.assertRaises(Exception):
for result in pool.imap_unordered(Run, [[x] for x in range(0, 12)]):
if result.heartbeat:
# Any result can be a heartbeat due to timings.
continue
# Item 10 will not appear in results due to an internal exception.
results.add(result.value)
expect = set(range(0, 12))
expect.remove(10)
self.assertEqual(expect, results)
def testAdd(self):
results = set()
pool = DefaultExecutionPool()
pool.init(3)
for result in pool.imap_unordered(Run, [[x] for x in range(0, 10)]):
if result.heartbeat:
# Any result can be a heartbeat due to timings.
continue
results.add(result.value)
if result.value < 30:
pool.add([result.value + 20])
self.assertEqual(
set(range(0, 10)) | set(range(20, 30)) | set(range(40, 50)), results)
class QueueTest(unittest.TestCase):
def testDrainQueueAsync(self):
queue = Queue(1)
queue.put('foo')
with self.assertRaises(Full):
queue.put('bar', timeout=0.01)
with drain_queue_async(queue):
queue.put('bar')
with self.assertRaises(Empty):
queue.get(False)
if __name__ == '__main__':
unittest.main()
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