273 lines
8.2 KiB
Python
273 lines
8.2 KiB
Python
import os
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import os.path
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import socket
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from unittest import TestCase, main
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from eventlet import api
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from eventlet import greenio
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from eventlet import util
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def check_hub():
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# Clear through the descriptor queue
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api.sleep(0)
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api.sleep(0)
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hub = api.get_hub()
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for nm in 'get_readers', 'get_writers':
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dct = getattr(hub, nm)()
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assert not dct, "hub.%s not empty: %s" % (nm, dct)
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# Stop the runloop (unless it's twistedhub which does not support that)
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if not getattr(api.get_hub(), 'uses_twisted_reactor', None):
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api.get_hub().abort()
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api.sleep(0)
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### ??? assert not api.get_hub().running
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class TestApi(TestCase):
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mode = 'static'
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certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
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private_key_file = os.path.join(os.path.dirname(__file__), 'test_server.key')
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def test_tcp_listener(self):
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socket = api.tcp_listener(('0.0.0.0', 0))
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assert socket.getsockname()[0] == '0.0.0.0'
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socket.close()
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check_hub()
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def test_connect_tcp(self):
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def accept_once(listenfd):
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try:
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conn, addr = listenfd.accept()
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fd = conn.makefile()
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conn.close()
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fd.write('hello\n')
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fd.close()
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finally:
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listenfd.close()
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server = api.tcp_listener(('0.0.0.0', 0))
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api.spawn(accept_once, server)
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client = api.connect_tcp(('127.0.0.1', server.getsockname()[1]))
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fd = client.makefile()
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client.close()
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assert fd.readline() == 'hello\n'
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assert fd.read() == ''
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fd.close()
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check_hub()
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def test_connect_ssl(self):
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def accept_once(listenfd):
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try:
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conn, addr = listenfd.accept()
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conn.write('hello\r\n')
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greenio.shutdown_safe(conn)
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conn.close()
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finally:
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greenio.shutdown_safe(listenfd)
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listenfd.close()
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server = api.ssl_listener(('0.0.0.0', 0),
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self.certificate_file,
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self.private_key_file)
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api.spawn(accept_once, server)
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raw_client = api.connect_tcp(('127.0.0.1', server.getsockname()[1]))
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client = util.wrap_ssl(raw_client)
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fd = socket._fileobject(client, 'rb', 8192)
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assert fd.readline() == 'hello\r\n'
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try:
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self.assertEquals('', fd.read(10))
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except greenio.SSL.ZeroReturnError:
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# if it's a GreenSSL object it'll do this
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pass
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greenio.shutdown_safe(client)
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client.close()
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check_hub()
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def test_tcp_server(self):
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import warnings
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# disabling tcp_server warnings because we're testing tcp_server here
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warnings.filterwarnings(action = 'ignore',
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message='.*tcp_server.*',
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category=DeprecationWarning)
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connected = []
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server = api.tcp_listener(('0.0.0.0', 0))
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bound_port = server.getsockname()[1]
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done = [False]
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def accept_twice((conn, addr)):
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connected.append(True)
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conn.close()
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if len(connected) == 2:
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server.close()
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done[0] = True
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api.call_after(0, api.connect_tcp, ('127.0.0.1', bound_port))
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api.call_after(0, api.connect_tcp, ('127.0.0.1', bound_port))
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server_coro = api.spawn(api.tcp_server, server, accept_twice)
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while not done[0]:
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api.sleep(0)
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api.kill(server_coro)
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assert len(connected) == 2
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check_hub()
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def test_001_trampoline_timeout(self):
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from eventlet import coros
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server_sock = api.tcp_listener(('127.0.0.1', 0))
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bound_port = server_sock.getsockname()[1]
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def server(sock):
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client, addr = sock.accept()
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api.sleep(0.1)
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server_evt = coros.execute(server, server_sock)
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api.sleep(0)
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try:
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desc = greenio.GreenSocket(util.tcp_socket())
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desc.connect(('127.0.0.1', bound_port))
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api.trampoline(desc, read=True, write=False, timeout=0.001)
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except api.TimeoutError:
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pass # test passed
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else:
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assert False, "Didn't timeout"
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server_evt.wait()
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check_hub()
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def test_timeout_cancel(self):
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server = api.tcp_listener(('0.0.0.0', 0))
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bound_port = server.getsockname()[1]
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done = [False]
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def client_closer(sock):
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while True:
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(conn, addr) = sock.accept()
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conn.close()
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def go():
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client = util.tcp_socket()
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desc = greenio.GreenSocket(client)
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desc.connect(('127.0.0.1', bound_port))
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try:
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api.trampoline(desc, read=True, timeout=0.1)
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except api.TimeoutError:
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assert False, "Timed out"
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server.close()
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client.close()
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done[0] = True
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api.call_after(0, go)
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server_coro = api.spawn(client_closer, server)
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while not done[0]:
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api.sleep(0)
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api.kill(server_coro)
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check_hub()
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if not getattr(api.get_hub(), 'uses_twisted_reactor', None):
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def test_explicit_hub(self):
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oldhub = api.get_hub()
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try:
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api.use_hub(Foo)
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assert isinstance(api.get_hub(), Foo), api.get_hub()
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finally:
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api._threadlocal.hub = oldhub
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check_hub()
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def test_named(self):
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named_foo = api.named('tests.api_test.Foo')
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self.assertEquals(
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named_foo.__name__,
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"Foo")
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def test_naming_missing_class(self):
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self.assertRaises(
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ImportError, api.named, 'this_name_should_hopefully_not_exist.Foo')
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def test_timeout_and_final_write(self):
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# This test verifies that a write on a socket that we've
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# stopped listening for doesn't result in an incorrect switch
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server = api.tcp_listener(('127.0.0.1', 0))
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bound_port = server.getsockname()[1]
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def sender(evt):
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s2, addr = server.accept()
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wrap_wfile = s2.makefile()
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api.sleep(0.02)
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wrap_wfile.write('hi')
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s2.close()
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evt.send('sent via event')
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from eventlet import coros
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evt = coros.event()
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api.spawn(sender, evt)
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api.sleep(0) # lets the socket enter accept mode, which
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# is necessary for connect to succeed on windows
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try:
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# try and get some data off of this pipe
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# but bail before any is sent
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api.exc_after(0.01, api.TimeoutError)
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client = api.connect_tcp(('127.0.0.1', bound_port))
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wrap_rfile = client.makefile()
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_c = wrap_rfile.read(1)
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self.fail()
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except api.TimeoutError:
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pass
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result = evt.wait()
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self.assertEquals(result, 'sent via event')
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server.close()
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client.close()
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def test_killing_dormant(self):
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DELAY = 0.1
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state = []
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def test():
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try:
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state.append('start')
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api.sleep(DELAY)
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except:
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state.append('except')
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# catching GreenletExit
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pass
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# when switching to hub, hub makes itself the parent of this greenlet,
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# thus after the function's done, the control will go to the parent
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# QQQ why the first sleep is not enough?
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api.sleep(0)
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state.append('finished')
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g = api.spawn(test)
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api.sleep(DELAY/2)
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assert state == ['start'], state
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api.kill(g)
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# will not get there, unless switching is explicitly scheduled by kill
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assert state == ['start', 'except'], state
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api.sleep(DELAY)
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assert state == ['start', 'except', 'finished'], state
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def test_nested_with_timeout(self):
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def func():
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return api.with_timeout(0.2, api.sleep, 2, timeout_value=1)
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self.assertRaises(api.TimeoutError, api.with_timeout, 0.1, func)
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class Foo(object):
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pass
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if __name__ == '__main__':
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main()
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