def test_channel_can_have_sockets_added_to_it(mk):
mk(('echo.sock.spt', 'channel.send(channel.recv())'))
socket = make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
expected = [socket]
actual = list(channel)
assert actual == expected
def test_channel_can_have_sockets_added_to_it():
mk(('echo.sock', 'channel.send(channel.recv())'))
socket = make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
expected = [socket]
actual = list(channel)
assert actual == expected, actual
def test_channel_can_have_sockets_added_to_it(harness):
harness.fs.www.mk(('echo.sock.spt', 'channel.send(channel.recv())'))
socket = harness.make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
expected = [socket]
actual = list(channel)
assert actual == expected
def test_channel_passes_send_on_to_four_sockets():
mk(('echo.sock', 'channel.send(channel.recv())'))
channel = Channel('foo', ThreadedBuffer)
sockets = [make_socket(channel=channel) for i in range(4)]
channel.send('foo')
for socket in sockets:
expected = deque([Message.from_bytes('3::/echo.sock:foo')])
actual = socket.outgoing.queue
assert actual == expected, actual
def test_channel_passes_send_on_to_one_socket():
mk(('echo.sock', ''))
socket = make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
channel.send('foo')
expected = deque([Message.from_bytes('3::/echo.sock:foo')])
actual = socket.outgoing.queue
assert actual == expected, actual
def test_channel_passes_send_on_to_four_sockets(mk):
mk(('echo.sock.spt', 'channel.send(channel.recv())'))
channel = Channel('foo', ThreadedBuffer)
sockets = [make_socket(channel=channel) for i in range(4)]
channel.send('foo')
for socket in sockets:
expected = deque([Message.from_bytes('3::/echo.sock:foo')])
actual = socket.outgoing.queue
assert actual == expected
def test_channel_passes_send_on_to_one_socket(mk):
mk(('echo.sock.spt', ''))
socket = make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
channel.send('foo')
expected = deque([Message.from_bytes('3::/echo.sock:foo')])
actual = socket.outgoing.queue
assert actual == expected
def make_socket(filename='echo.sock', channel=None):
request = make_request(filename='echo.sock')
if channel is None:
channel = Channel(request.line.uri.path.raw, ThreadedBuffer)
socket = Socket(request, channel)
return socket
def test_channel_raises_AssertionError_on_double_add():
mk(('echo.sock', ''))
socket = make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
assert_raises(AssertionError, channel.add, socket)
def test_channel_raises_AssertionError_on_double_add(mk):
mk(('echo.sock.spt', ''))
socket = make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
raises(AssertionError, channel.add, socket)
def test_channel_is_instantiable():
expected = Channel
actual = Channel('/foo.sock', ThreadedBuffer).__class__
assert actual is expected
def get(request):
"""Takes a Request object and returns a Response or Transport object.
When we get the request it has socket set to a string, the path part after
*.sock, which is something like 1/websocket/43ef6fe7?foo=bar.
1 protocol (we only support 1)
websocket transport
43ef6fe7 socket id (sid)
?foo=bar querystring
The Socket.IO handshake is a GET request to 1/. We return Response for the
handshake. After the handshake, subsequent messages are to the full URL as
above. We return a Transported instance for actual messages.
"""
# Exit early.
# ===========
if request.socket is None:
return None
# Parse and validate the socket URL.
# ==================================
parts = request.socket.split('/')
nparts = len(parts)
if nparts not in (2, 3):
msg = "Expected 2 or 3 path parts for Socket.IO socket, got %d."
raise Response(400, msg % nparts)
protocol = parts[0]
if protocol != '1':
msg = "Expected Socket.IO protocol version 1, got %s."
raise Response(400, msg % protocol)
# Handshake
# =========
if len(parts) == 2:
path = request.line.uri.path.raw
if path in __channels__:
channel = __channels__[path]
else:
channel = Channel(path, request.website.network_engine.Buffer)
__channels__[path] = channel
socket = Socket(request, channel)
assert socket.sid not in __sockets__ # sanity check
__sockets__[socket.sid] = socket
socket.loop.start()
return socket.shake_hands() # a Response
# More than a handshake.
# ======================
transport = parts[1]
sid = parts[2]
if transport not in TRANSPORTS:
msg = "Expected transport in {%s}, got %s."
msg %= (",".join(TRANSPORTS), transport)
raise Response(400, msg)
if sid not in __sockets__:
msg = "Expected %s in cache, didn't find it"
raise Response(400, msg % sid)
if type(__sockets__[sid]) is Socket:
# This is the first request after a handshake. It's not until this
# point that we know what transport the client wants to use.
Transport = XHRPollingTransport # XXX derp
__sockets__[sid] = Transport(__sockets__[sid])
transport = __sockets__[sid]
return transport
def test_channel_raises_AssertionError_on_double_add(harness):
harness.fs.www.mk(('echo.sock.spt', ''))
socket = harness.make_socket()
channel = Channel('foo', ThreadedBuffer)
channel.add(socket)
raises(AssertionError, channel.add, socket)