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api_test.py
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# @author Donovan Preston
#
# Copyright (c) 2006-2007, Linden Research, Inc.
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import os
import os.path
from unittest import TestCase, main
from eventlet import api
from eventlet import greenio
from eventlet import util
def check_hub():
# Clear through the descriptor queue
api.sleep(0)
api.sleep(0)
hub = api.get_hub()
for nm in 'get_readers', 'get_writers', 'get_excs':
dct = getattr(hub, nm)()
assert not dct, "hub.%s not empty: %s" % (nm, dct)
# Stop the runloop (unless it's twistedhub which does not support that)
if not getattr(api.get_hub(), 'uses_twisted_reactor', None):
api.get_hub().abort()
api.sleep(0)
### ??? assert not api.get_hub().running
class TestApi(TestCase):
mode = 'static'
certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
private_key_file = os.path.join(os.path.dirname(__file__), 'test_server.key')
def test_tcp_listener(self):
socket = api.tcp_listener(('0.0.0.0', 0))
assert socket.getsockname()[0] == '0.0.0.0'
socket.close()
check_hub()
def test_connect_tcp(self):
def accept_once(listenfd):
try:
conn, addr = listenfd.accept()
fd = conn.makeGreenFile()
conn.close()
fd.write('hello\n')
fd.close()
finally:
listenfd.close()
server = api.tcp_listener(('0.0.0.0', 0))
api.spawn(accept_once, server)
client = api.connect_tcp(('127.0.0.1', server.getsockname()[1]))
fd = client.makeGreenFile()
client.close()
assert fd.readline() == 'hello\n'
assert fd.read() == ''
fd.close()
check_hub()
def test_connect_ssl(self):
def accept_once(listenfd):
try:
conn, addr = listenfd.accept()
fl = conn.makeGreenFile('w')
fl.write('hello\r\n')
fl.close()
conn.close()
finally:
listenfd.close()
server = api.ssl_listener(('0.0.0.0', 0),
self.certificate_file,
self.private_key_file)
api.spawn(accept_once, server)
client = util.wrap_ssl(
api.connect_tcp(('127.0.0.1', server.getsockname()[1])))
client = client.makeGreenFile()
assert client.readline() == 'hello\r\n'
assert client.read() == ''
client.close()
def test_server(self):
connected = []
server = api.tcp_listener(('0.0.0.0', 0))
bound_port = server.getsockname()[1]
def accept_twice((conn, addr)):
connected.append(True)
conn.close()
if len(connected) == 2:
server.close()
api.call_after(0, api.connect_tcp, ('127.0.0.1', bound_port))
api.call_after(0, api.connect_tcp, ('127.0.0.1', bound_port))
try:
api.tcp_server(server, accept_twice)
except:
api.sleep(0.1)
raise
assert len(connected) == 2
check_hub()
def test_001_trampoline_timeout(self):
server = api.tcp_listener(('0.0.0.0', 0))
bound_port = server.getsockname()[1]
try:
desc = greenio.GreenSocket(util.tcp_socket())
desc.connect(('127.0.0.1', bound_port))
api.trampoline(desc, read=True, write=False, timeout=0.1)
except api.TimeoutError:
pass # test passed
else:
assert False, "Didn't timeout"
check_hub()
def test_timeout_cancel(self):
server = api.tcp_listener(('0.0.0.0', 0))
bound_port = server.getsockname()[1]
def client_connected((conn, addr)):
conn.close()
def go():
client = util.tcp_socket()
desc = greenio.GreenSocket(client)
desc.connect(('127.0.0.1', bound_port))
try:
api.trampoline(desc, read=True, write=True, timeout=0.1)
except api.TimeoutError:
assert False, "Timed out"
server.close()
client.close()
api.call_after(0, go)
api.tcp_server(server, client_connected)
check_hub()
if not getattr(api.get_hub(), 'uses_twisted_reactor', None):
def test_explicit_hub(self):
oldhub = api.get_hub()
try:
api.use_hub(Foo)
assert isinstance(api.get_hub(), Foo), api.get_hub()
finally:
api._threadlocal.hub = oldhub
check_hub()
def test_named(self):
named_foo = api.named('api_test.Foo')
self.assertEquals(
named_foo.__name__,
"Foo")
def test_naming_missing_class(self):
self.assertRaises(
ImportError, api.named, 'this_name_should_hopefully_not_exist.Foo')
def test_timeout_and_final_write(self):
# This test verifies that a write on a socket that we've
# stopped listening for doesn't result in an incorrect switch
rpipe, wpipe = os.pipe()
rfile = os.fdopen(rpipe,"r",0)
wrap_rfile = greenio.GreenPipe(rfile)
wfile = os.fdopen(wpipe,"w",0)
wrap_wfile = greenio.GreenPipe(wfile)
def sender(evt):
api.sleep(0.02)
wrap_wfile.write('hi')
evt.send('sent via event')
from eventlet import coros
evt = coros.event()
api.spawn(sender, evt)
try:
# try and get some data off of this pipe
# but bail before any is sent
api.exc_after(0.01, api.TimeoutError)
_c = wrap_rfile.read(1)
self.fail()
except api.TimeoutError:
pass
result = evt.wait()
self.assertEquals(result, 'sent via event')
class Foo(object):
pass
if __name__ == '__main__':
main()

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