327 lines
10 KiB
Python
327 lines
10 KiB
Python
# Copyright (c) 2007, Linden Research, Inc.
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# Copyright (c) 2007, IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import itertools
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import random
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from sys import stdout
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import time
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import re
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from tests import skipped, skip_with_pyevent, LimitedTestCase, main
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from eventlet import tpool, debug
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import eventlet
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one = 1
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two = 2
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three = 3
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none = None
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def noop():
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pass
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def raise_exception():
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raise RuntimeError("hi")
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class TestTpool(LimitedTestCase):
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def setUp(self):
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super(TestTpool, self).setUp()
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def tearDown(self):
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tpool.killall()
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super(TestTpool, self).tearDown()
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@skip_with_pyevent
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def test_wrap_tuple(self):
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my_tuple = (1, 2)
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prox = tpool.Proxy(my_tuple)
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self.assertEqual(prox[0], 1)
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self.assertEqual(prox[1], 2)
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self.assertEqual(len(my_tuple), 2)
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@skip_with_pyevent
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def test_wrap_string(self):
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my_object = "whatever"
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prox = tpool.Proxy(my_object)
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self.assertEqual(str(my_object), str(prox))
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self.assertEqual(len(my_object), len(prox))
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self.assertEqual(my_object.join(['a', 'b']), prox.join(['a', 'b']))
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@skip_with_pyevent
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def test_wrap_uniterable(self):
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prox = tpool.Proxy([])
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def index():
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prox[0]
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def key():
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prox['a']
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self.assertRaises(IndexError, index)
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self.assertRaises(TypeError, key)
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@skip_with_pyevent
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def test_wrap_dict(self):
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my_object = {'a':1}
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prox = tpool.Proxy(my_object)
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self.assertEqual('a', prox.keys()[0])
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self.assertEqual(1, prox['a'])
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self.assertEqual(str(my_object), str(prox))
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self.assertEqual(repr(my_object), repr(prox))
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@skip_with_pyevent
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def test_wrap_module_class(self):
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prox = tpool.Proxy(re)
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self.assertEqual(tpool.Proxy, type(prox))
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exp = prox.compile('(.)(.)(.)')
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self.assertEqual(exp.groups, 3)
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self.assert_(repr(prox.compile))
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@skip_with_pyevent
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def test_wrap_eq(self):
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prox = tpool.Proxy(re)
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exp1 = prox.compile('.')
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exp2 = prox.compile(exp1.pattern)
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self.assertEqual(exp1, exp2)
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exp3 = prox.compile('/')
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self.assert_(exp1 != exp3)
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@skip_with_pyevent
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def test_wrap_ints(self):
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p = tpool.Proxy(4)
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self.assert_(p == 4)
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@skip_with_pyevent
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def test_wrap_hash(self):
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prox1 = tpool.Proxy(''+'A')
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prox2 = tpool.Proxy('A'+'')
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self.assert_(prox1=='A')
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self.assert_('A'==prox2)
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#self.assert_(prox1==prox2) FIXME - could __eq__ unwrap rhs if it is other proxy?
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self.assertEqual(hash(prox1), hash(prox2))
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proxList = tpool.Proxy([])
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self.assertRaises(TypeError, hash, proxList)
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@skip_with_pyevent
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def test_wrap_nonzero(self):
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prox = tpool.Proxy(re)
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exp1 = prox.compile('.')
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self.assert_(bool(exp1))
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prox2 = tpool.Proxy([1, 2, 3])
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self.assert_(bool(prox2))
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@skip_with_pyevent
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def test_multiple_wraps(self):
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prox1 = tpool.Proxy(re)
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prox2 = tpool.Proxy(re)
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x1 = prox1.compile('.')
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x2 = prox1.compile('.')
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del x2
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x3 = prox2.compile('.')
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@skip_with_pyevent
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def test_wrap_getitem(self):
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prox = tpool.Proxy([0,1,2])
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self.assertEqual(prox[0], 0)
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@skip_with_pyevent
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def test_wrap_setitem(self):
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prox = tpool.Proxy([0,1,2])
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prox[1] = 2
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self.assertEqual(prox[1], 2)
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@skip_with_pyevent
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def test_wrap_iterator(self):
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self.reset_timeout(2)
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prox = tpool.Proxy(xrange(10))
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result = []
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for i in prox:
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result.append(i)
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self.assertEquals(range(10), result)
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@skip_with_pyevent
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def test_wrap_iterator2(self):
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self.reset_timeout(5) # might take a while due to imprecise sleeping
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def foo():
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import time
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for x in xrange(2):
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yield x
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time.sleep(0.001)
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counter = [0]
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def tick():
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for i in xrange(20000):
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counter[0]+=1
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if counter[0] % 20 == 0:
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eventlet.sleep(0.0001)
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else:
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eventlet.sleep()
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gt = eventlet.spawn(tick)
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previtem = 0
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for item in tpool.Proxy(foo()):
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self.assert_(item >= previtem)
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# make sure the tick happened at least a few times so that we know
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# that our iterations in foo() were actually tpooled
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print counter[0]
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self.assert_(counter[0] > 10, counter[0])
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gt.kill()
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@skip_with_pyevent
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def test_raising_exceptions(self):
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prox = tpool.Proxy(re)
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def nofunc():
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prox.never_name_a_function_like_this()
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self.assertRaises(AttributeError, nofunc)
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from tests import tpool_test
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prox = tpool.Proxy(tpool_test)
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self.assertRaises(RuntimeError, prox.raise_exception)
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@skip_with_pyevent
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def test_variable_and_keyword_arguments_with_function_calls(self):
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import optparse
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parser = tpool.Proxy(optparse.OptionParser())
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z = parser.add_option('-n', action='store', type='string', dest='n')
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opts,args = parser.parse_args(["-nfoo"])
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self.assertEqual(opts.n, 'foo')
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@skip_with_pyevent
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def test_contention(self):
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from tests import tpool_test
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prox = tpool.Proxy(tpool_test)
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pile = eventlet.GreenPile(4)
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pile.spawn(lambda: self.assertEquals(prox.one, 1))
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pile.spawn(lambda: self.assertEquals(prox.two, 2))
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pile.spawn(lambda: self.assertEquals(prox.three, 3))
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results = list(pile)
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self.assertEquals(len(results), 3)
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@skip_with_pyevent
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def test_timeout(self):
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import time
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eventlet.Timeout(0.1, eventlet.TimeoutError())
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self.assertRaises(eventlet.TimeoutError,
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tpool.execute, time.sleep, 0.3)
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@skip_with_pyevent
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def test_killall(self):
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tpool.killall()
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tpool.setup()
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@skip_with_pyevent
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def test_autowrap(self):
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x = tpool.Proxy({'a':1, 'b':2}, autowrap=(int,))
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self.assert_(isinstance(x.get('a'), tpool.Proxy))
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self.assert_(not isinstance(x.items(), tpool.Proxy))
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# attributes as well as callables
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from tests import tpool_test
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x = tpool.Proxy(tpool_test, autowrap=(int,))
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self.assert_(isinstance(x.one, tpool.Proxy))
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self.assert_(not isinstance(x.none, tpool.Proxy))
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@skip_with_pyevent
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def test_autowrap_names(self):
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x = tpool.Proxy({'a':1, 'b':2}, autowrap_names=('get',))
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self.assert_(isinstance(x.get('a'), tpool.Proxy))
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self.assert_(not isinstance(x.items(), tpool.Proxy))
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from tests import tpool_test
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x = tpool.Proxy(tpool_test, autowrap_names=('one',))
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self.assert_(isinstance(x.one, tpool.Proxy))
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self.assert_(not isinstance(x.two, tpool.Proxy))
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@skip_with_pyevent
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def test_autowrap_both(self):
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from tests import tpool_test
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x = tpool.Proxy(tpool_test, autowrap=(int,), autowrap_names=('one',))
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self.assert_(isinstance(x.one, tpool.Proxy))
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# violating the abstraction to check that we didn't double-wrap
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self.assert_(not isinstance(x._obj, tpool.Proxy))
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@skip_with_pyevent
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def test_callable(self):
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def wrapped(arg):
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return arg
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x = tpool.Proxy(wrapped)
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self.assertEquals(4, x(4))
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# verify that it wraps return values if specified
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x = tpool.Proxy(wrapped, autowrap_names=('__call__',))
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self.assert_(isinstance(x(4), tpool.Proxy))
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self.assertEquals("4", str(x(4)))
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@skip_with_pyevent
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def test_callable_iterator(self):
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def wrapped(arg):
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yield arg
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yield arg
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yield arg
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x = tpool.Proxy(wrapped, autowrap_names=('__call__',))
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for r in x(3):
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self.assertEquals(3, r)
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class TpoolLongTests(LimitedTestCase):
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TEST_TIMEOUT=60
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@skip_with_pyevent
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def test_a_buncha_stuff(self):
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assert_ = self.assert_
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class Dummy(object):
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def foo(self,when,token=None):
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assert_(token is not None)
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time.sleep(random.random()/200.0)
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return token
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def sender_loop(loopnum):
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obj = tpool.Proxy(Dummy())
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count = 100
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for n in xrange(count):
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eventlet.sleep(random.random()/200.0)
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now = time.time()
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token = loopnum * count + n
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rv = obj.foo(now,token=token)
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self.assertEquals(token, rv)
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eventlet.sleep(random.random()/200.0)
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pile = eventlet.GreenPile(10)
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for i in xrange(10):
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pile.spawn(sender_loop,i)
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results = list(pile)
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self.assertEquals(len(results), 10)
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tpool.killall()
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@skipped
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def test_benchmark(self):
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""" Benchmark computing the amount of overhead tpool adds to function calls."""
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iterations = 10000
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import timeit
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imports = """
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from tests.tpool_test import noop
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from eventlet.tpool import execute
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"""
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t = timeit.Timer("noop()", imports)
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results = t.repeat(repeat=3, number=iterations)
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best_normal = min(results)
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t = timeit.Timer("execute(noop)", imports)
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results = t.repeat(repeat=3, number=iterations)
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best_tpool = min(results)
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tpool_overhead = (best_tpool-best_normal)/iterations
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print "%s iterations\nTpool overhead is %s seconds per call. Normal: %s; Tpool: %s" % (
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iterations, tpool_overhead, best_normal, best_tpool)
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tpool.killall()
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if __name__ == '__main__':
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main()
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