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Merge pull request #1663 from minrk/splitlines...
Merge pull request #1663 from minrk/splitlines Keep line-endings in ipynb Avoids discarding of information, e.g. foo\rbar should not be reconstructed as foo\nbar. Implemented in safe manner, where notebooks written by old scheme will load the same as before, and be updated on next save.

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test_session.py
212 lines | 8.0 KiB | text/x-python | PythonLexer
"""test building messages with streamsession"""
#-------------------------------------------------------------------------------
# Copyright (C) 2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports
#-------------------------------------------------------------------------------
import os
import uuid
import zmq
from zmq.tests import BaseZMQTestCase
from zmq.eventloop.zmqstream import ZMQStream
from IPython.zmq import session as ss
class SessionTestCase(BaseZMQTestCase):
def setUp(self):
BaseZMQTestCase.setUp(self)
self.session = ss.Session()
class MockSocket(zmq.Socket):
def __init__(self, *args, **kwargs):
super(MockSocket,self).__init__(*args,**kwargs)
self.data = []
def send_multipart(self, msgparts, *args, **kwargs):
self.data.extend(msgparts)
def send(self, part, *args, **kwargs):
self.data.append(part)
def recv_multipart(self, *args, **kwargs):
return self.data
class TestSession(SessionTestCase):
def test_msg(self):
"""message format"""
msg = self.session.msg('execute')
thekeys = set('header parent_header content msg_type msg_id'.split())
s = set(msg.keys())
self.assertEquals(s, thekeys)
self.assertTrue(isinstance(msg['content'],dict))
self.assertTrue(isinstance(msg['header'],dict))
self.assertTrue(isinstance(msg['parent_header'],dict))
self.assertTrue(isinstance(msg['msg_id'],str))
self.assertTrue(isinstance(msg['msg_type'],str))
self.assertEquals(msg['header']['msg_type'], 'execute')
self.assertEquals(msg['msg_type'], 'execute')
def test_serialize(self):
msg = self.session.msg('execute', content=dict(a=10, b=1.1))
msg_list = self.session.serialize(msg, ident=b'foo')
ident, msg_list = self.session.feed_identities(msg_list)
new_msg = self.session.unserialize(msg_list)
self.assertEquals(ident[0], b'foo')
self.assertEquals(new_msg['msg_id'],msg['msg_id'])
self.assertEquals(new_msg['msg_type'],msg['msg_type'])
self.assertEquals(new_msg['header'],msg['header'])
self.assertEquals(new_msg['content'],msg['content'])
self.assertEquals(new_msg['parent_header'],msg['parent_header'])
# ensure floats don't come out as Decimal:
self.assertEquals(type(new_msg['content']['b']),type(new_msg['content']['b']))
def test_send(self):
socket = MockSocket(zmq.Context.instance(),zmq.PAIR)
msg = self.session.msg('execute', content=dict(a=10))
self.session.send(socket, msg, ident=b'foo', buffers=[b'bar'])
ident, msg_list = self.session.feed_identities(socket.data)
new_msg = self.session.unserialize(msg_list)
self.assertEquals(ident[0], b'foo')
self.assertEquals(new_msg['msg_id'],msg['msg_id'])
self.assertEquals(new_msg['msg_type'],msg['msg_type'])
self.assertEquals(new_msg['header'],msg['header'])
self.assertEquals(new_msg['content'],msg['content'])
self.assertEquals(new_msg['parent_header'],msg['parent_header'])
self.assertEquals(new_msg['buffers'],[b'bar'])
socket.data = []
content = msg['content']
header = msg['header']
parent = msg['parent_header']
msg_type = header['msg_type']
self.session.send(socket, None, content=content, parent=parent,
header=header, ident=b'foo', buffers=[b'bar'])
ident, msg_list = self.session.feed_identities(socket.data)
new_msg = self.session.unserialize(msg_list)
self.assertEquals(ident[0], b'foo')
self.assertEquals(new_msg['msg_id'],msg['msg_id'])
self.assertEquals(new_msg['msg_type'],msg['msg_type'])
self.assertEquals(new_msg['header'],msg['header'])
self.assertEquals(new_msg['content'],msg['content'])
self.assertEquals(new_msg['parent_header'],msg['parent_header'])
self.assertEquals(new_msg['buffers'],[b'bar'])
socket.data = []
self.session.send(socket, msg, ident=b'foo', buffers=[b'bar'])
ident, new_msg = self.session.recv(socket)
self.assertEquals(ident[0], b'foo')
self.assertEquals(new_msg['msg_id'],msg['msg_id'])
self.assertEquals(new_msg['msg_type'],msg['msg_type'])
self.assertEquals(new_msg['header'],msg['header'])
self.assertEquals(new_msg['content'],msg['content'])
self.assertEquals(new_msg['parent_header'],msg['parent_header'])
self.assertEquals(new_msg['buffers'],[b'bar'])
socket.close()
def test_args(self):
"""initialization arguments for Session"""
s = self.session
self.assertTrue(s.pack is ss.default_packer)
self.assertTrue(s.unpack is ss.default_unpacker)
self.assertEquals(s.username, os.environ.get('USER', u'username'))
s = ss.Session()
self.assertEquals(s.username, os.environ.get('USER', u'username'))
self.assertRaises(TypeError, ss.Session, pack='hi')
self.assertRaises(TypeError, ss.Session, unpack='hi')
u = str(uuid.uuid4())
s = ss.Session(username=u'carrot', session=u)
self.assertEquals(s.session, u)
self.assertEquals(s.username, u'carrot')
def test_tracking(self):
"""test tracking messages"""
a,b = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
s = self.session
stream = ZMQStream(a)
msg = s.send(a, 'hello', track=False)
self.assertTrue(msg['tracker'] is None)
msg = s.send(a, 'hello', track=True)
self.assertTrue(isinstance(msg['tracker'], zmq.MessageTracker))
M = zmq.Message(b'hi there', track=True)
msg = s.send(a, 'hello', buffers=[M], track=True)
t = msg['tracker']
self.assertTrue(isinstance(t, zmq.MessageTracker))
self.assertRaises(zmq.NotDone, t.wait, .1)
del M
t.wait(1) # this will raise
# def test_rekey(self):
# """rekeying dict around json str keys"""
# d = {'0': uuid.uuid4(), 0:uuid.uuid4()}
# self.assertRaises(KeyError, ss.rekey, d)
#
# d = {'0': uuid.uuid4(), 1:uuid.uuid4(), 'asdf':uuid.uuid4()}
# d2 = {0:d['0'],1:d[1],'asdf':d['asdf']}
# rd = ss.rekey(d)
# self.assertEquals(d2,rd)
#
# d = {'1.5':uuid.uuid4(),'1':uuid.uuid4()}
# d2 = {1.5:d['1.5'],1:d['1']}
# rd = ss.rekey(d)
# self.assertEquals(d2,rd)
#
# d = {'1.0':uuid.uuid4(),'1':uuid.uuid4()}
# self.assertRaises(KeyError, ss.rekey, d)
#
def test_unique_msg_ids(self):
"""test that messages receive unique ids"""
ids = set()
for i in range(2**12):
h = self.session.msg_header('test')
msg_id = h['msg_id']
self.assertTrue(msg_id not in ids)
ids.add(msg_id)
def test_feed_identities(self):
"""scrub the front for zmq IDENTITIES"""
theids = "engine client other".split()
content = dict(code='whoda',stuff=object())
themsg = self.session.msg('execute',content=content)
pmsg = theids
def test_session_id(self):
session = ss.Session()
# get bs before us
bs = session.bsession
us = session.session
self.assertEquals(us.encode('ascii'), bs)
session = ss.Session()
# get us before bs
us = session.session
bs = session.bsession
self.assertEquals(us.encode('ascii'), bs)
# change propagates:
session.session = 'something else'
bs = session.bsession
us = session.session
self.assertEquals(us.encode('ascii'), bs)
session = ss.Session(session='stuff')
# get us before bs
self.assertEquals(session.bsession, session.session.encode('ascii'))
self.assertEquals(b'stuff', session.bsession)