debugpy/tests/helpers/message.py
2018-06-14 11:01:24 -07:00

62 lines
1.9 KiB
Python

from . import noop
from ._io import write_all, read_buffered
from .header import read_one as read_header, write_one as write_header
def raw_read_all(read, initial=b'', stop=noop):
"""Yield (msg, headers, remainder) for each message read."""
headers = {}
remainder = initial
while not stop():
header, remainder = read_header(read, initial=remainder, stop=stop)
if header is not None:
name, value = header
headers[name] = value
continue
# end-of-headers
numbytes = int(headers['Content-Length'])
data, remainder = read_buffered(read, numbytes, initial=remainder,
stop=stop)
msg = data.decode('utf-8', 'replace')
yield msg, headers, remainder
headers = {}
def raw_write_one(write, body, stop=noop, **headers):
"""Write the message."""
body = body.encode('utf-8')
headers.setdefault('Content-Length', len(body))
for name, value in headers.items():
write_header(write, name, value, stop=stop)
write_all(write, b'\r\n')
write_all(write, body)
def assert_messages_equal(received, expected):
if received != expected:
try:
from itertools import zip_longest
except ImportError:
from itertools import izip_longest as zip_longest
msg = ['']
msg.append('Received:')
for r in received:
msg.append(str(r))
msg.append('')
msg.append('Expected:')
for r in expected:
msg.append(str(r))
msg.append('')
msg.append('Diff by line')
for i, (a, b) in enumerate(
zip_longest(received, expected, fillvalue=None)):
if a == b:
msg.append(' %2d: %s' % (i, a,))
else:
msg.append('!%2d: %s != %s' % (i, a, b))
raise AssertionError('\n'.join(msg))