tests: socket_resolve_green was giving false fails
Because first GreenPool.spawn() sometimes takes 200+ms which is a bug not related to this test. https://github.com/eventlet/eventlet/issues/374 https://github.com/eventlet/eventlet/issues/379
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@ -8,20 +8,22 @@ if __name__ == '__main__':
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import dns.message
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import dns.query
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n = 10
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delay = 0.01
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addr_map = {'test-host{0}.'.format(i): '0.0.1.{0}'.format(i) for i in range(n)}
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def slow_udp(q, *a, **kw):
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addr = '0.0.0.1'
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if 'host2' in str(q.question):
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addr = '0.0.0.2'
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if 'host3' in str(q.question):
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addr = '0.0.0.3'
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qname = q.question[0].name
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addr = addr_map[qname.to_text().decode()]
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r = dns.message.make_response(q)
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r.index = None
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r.flags = 256
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r.answer.append(dns.rrset.from_text(str(q.question[0].name), 60, 'IN', 'A', addr))
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r.answer.append(dns.rrset.from_text(str(qname), 60, 'IN', 'A', addr))
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r.time = 0.001
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eventlet.sleep(0.1)
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eventlet.sleep(delay)
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return r
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dns.query.tcp = lambda: eventlet.Timeout(0)
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dns.query.udp = slow_udp
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results = {}
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@ -31,15 +33,18 @@ if __name__ == '__main__':
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except socket.error as e:
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print('name: {0} error: {1}'.format(name, e))
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pool = eventlet.GreenPool()
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pool = eventlet.GreenPool(size=n + 1)
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# FIXME: For unknown reason, first GreenPool.spawn() takes ~250ms on some platforms.
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# Spawned function executes for normal expected time, it's the GreenPool who needs warmup.
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pool.spawn(eventlet.sleep)
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t1 = time.time()
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pool.spawn(fun, 'eventlet-test-host1.')
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pool.spawn(fun, 'eventlet-test-host2.')
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pool.spawn(fun, 'eventlet-test-host3.')
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for name in addr_map:
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pool.spawn(fun, name)
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pool.waitall()
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td = time.time() - t1
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assert 0.1 <= td < 0.3, 'Resolve time expected: ~0.1s, real: {0:.3f}'.format(td)
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assert results.get('eventlet-test-host1.') == '0.0.0.1'
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assert results.get('eventlet-test-host2.') == '0.0.0.2'
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assert results.get('eventlet-test-host3.') == '0.0.0.3'
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fail_msg = 'Resolve time expected: ~{0:.3f}s, real: {1:.3f}'.format(delay, td)
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assert delay <= td < delay * n, fail_msg
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assert addr_map == results
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print('pass')
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