143 lines
4.4 KiB
Python
143 lines
4.4 KiB
Python
|
|
from pathod import language
|
|
from pathod.language import websockets
|
|
import netlib.websockets
|
|
import tutils
|
|
|
|
|
|
def parse_request(s):
|
|
return next(language.parse_pathoc(s))
|
|
|
|
|
|
class TestWebsocketFrame:
|
|
|
|
def _test_messages(self, specs, message_klass):
|
|
for i in specs:
|
|
wf = parse_request(i)
|
|
assert isinstance(wf, message_klass)
|
|
assert wf
|
|
assert wf.values(language.Settings())
|
|
assert wf.resolve(language.Settings())
|
|
|
|
spec = wf.spec()
|
|
wf2 = parse_request(spec)
|
|
assert wf2.spec() == spec
|
|
|
|
def test_server_values(self):
|
|
specs = [
|
|
"wf",
|
|
"wf:dr",
|
|
"wf:b'foo'",
|
|
"wf:mask:r'foo'",
|
|
"wf:l1024:b'foo'",
|
|
"wf:cbinary",
|
|
"wf:c1",
|
|
"wf:mask:knone",
|
|
"wf:fin",
|
|
"wf:fin:rsv1:rsv2:rsv3:mask",
|
|
"wf:-fin:-rsv1:-rsv2:-rsv3:-mask",
|
|
"wf:k@4",
|
|
"wf:x10",
|
|
]
|
|
self._test_messages(specs, websockets.WebsocketFrame)
|
|
|
|
def test_parse_websocket_frames(self):
|
|
wf = language.parse_websocket_frame("wf:x10")
|
|
assert len(list(wf)) == 10
|
|
tutils.raises(
|
|
language.ParseException,
|
|
language.parse_websocket_frame,
|
|
"wf:x"
|
|
)
|
|
|
|
def test_client_values(self):
|
|
specs = [
|
|
"wf:f'wf'",
|
|
]
|
|
self._test_messages(specs, websockets.WebsocketClientFrame)
|
|
|
|
def test_nested_frame(self):
|
|
wf = parse_request("wf:f'wf'")
|
|
assert wf.nested_frame
|
|
|
|
def test_flags(self):
|
|
wf = parse_request("wf:fin:mask:rsv1:rsv2:rsv3")
|
|
frm = netlib.websockets.Frame.from_bytes(tutils.render(wf))
|
|
assert frm.header.fin
|
|
assert frm.header.mask
|
|
assert frm.header.rsv1
|
|
assert frm.header.rsv2
|
|
assert frm.header.rsv3
|
|
|
|
wf = parse_request("wf:-fin:-mask:-rsv1:-rsv2:-rsv3")
|
|
frm = netlib.websockets.Frame.from_bytes(tutils.render(wf))
|
|
assert not frm.header.fin
|
|
assert not frm.header.mask
|
|
assert not frm.header.rsv1
|
|
assert not frm.header.rsv2
|
|
assert not frm.header.rsv3
|
|
|
|
def fr(self, spec, **kwargs):
|
|
settings = language.base.Settings(**kwargs)
|
|
wf = parse_request(spec)
|
|
return netlib.websockets.Frame.from_bytes(tutils.render(wf, settings))
|
|
|
|
def test_construction(self):
|
|
assert self.fr("wf:c1").header.opcode == 1
|
|
assert self.fr("wf:c0").header.opcode == 0
|
|
assert self.fr("wf:cbinary").header.opcode ==\
|
|
netlib.websockets.OPCODE.BINARY
|
|
assert self.fr("wf:ctext").header.opcode ==\
|
|
netlib.websockets.OPCODE.TEXT
|
|
|
|
def test_rawbody(self):
|
|
frm = self.fr("wf:mask:r'foo'")
|
|
assert len(frm.payload) == 3
|
|
assert frm.payload != b"foo"
|
|
|
|
assert self.fr("wf:r'foo'").payload == b"foo"
|
|
|
|
def test_construction_2(self):
|
|
# Simple server frame
|
|
frm = self.fr("wf:b'foo'")
|
|
assert not frm.header.mask
|
|
assert not frm.header.masking_key
|
|
|
|
# Simple client frame
|
|
frm = self.fr("wf:b'foo'", is_client=True)
|
|
assert frm.header.mask
|
|
assert frm.header.masking_key
|
|
frm = self.fr("wf:b'foo':k'abcd'", is_client=True)
|
|
assert frm.header.mask
|
|
assert frm.header.masking_key == b'abcd'
|
|
|
|
# Server frame, mask explicitly set
|
|
frm = self.fr("wf:b'foo':mask")
|
|
assert frm.header.mask
|
|
assert frm.header.masking_key
|
|
frm = self.fr("wf:b'foo':k'abcd'")
|
|
assert frm.header.mask
|
|
assert frm.header.masking_key == b'abcd'
|
|
|
|
# Client frame, mask explicitly unset
|
|
frm = self.fr("wf:b'foo':-mask", is_client=True)
|
|
assert not frm.header.mask
|
|
assert not frm.header.masking_key
|
|
|
|
frm = self.fr("wf:b'foo':-mask:k'abcd'", is_client=True)
|
|
assert not frm.header.mask
|
|
# We're reading back a corrupted frame - the first 3 characters of the
|
|
# mask is mis-interpreted as the payload
|
|
assert frm.payload == b"abc"
|
|
|
|
def test_knone(self):
|
|
with tutils.raises("expected 4 bytes"):
|
|
self.fr("wf:b'foo':mask:knone")
|
|
|
|
def test_length(self):
|
|
assert self.fr("wf:l3:b'foo'").header.payload_length == 3
|
|
frm = self.fr("wf:l2:b'foo'")
|
|
assert frm.header.payload_length == 2
|
|
assert frm.payload == b"fo"
|
|
tutils.raises("expected 1024 bytes", self.fr, "wf:l1024:b'foo'")
|