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test_20_websockets.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <[email protected]>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import logging
import os
import shutil
import subprocess
import time
from datetime import datetime, timedelta
import pytest
from testenv import Env, CurlClient, LocalClient
log = logging.getLogger(__name__)
@pytest.mark.skipif(condition=not Env.curl_has_protocol('ws'),
reason='curl lacks ws protocol support')
class TestWebsockets:
def check_alive(self, env, timeout=5):
curl = CurlClient(env=env)
url = f'http://localhost:{env.ws_port}/'
end = datetime.now() + timedelta(seconds=timeout)
while datetime.now() < end:
r = curl.http_download(urls=[url])
if r.exit_code == 0:
return True
time.sleep(.1)
return False
def _mkpath(self, path):
if not os.path.exists(path):
return os.makedirs(path)
def _rmrf(self, path):
if os.path.exists(path):
return shutil.rmtree(path)
@pytest.fixture(autouse=True, scope='class')
def ws_echo(self, env):
run_dir = os.path.join(env.gen_dir, 'ws-echo-server')
err_file = os.path.join(run_dir, 'stderr')
self._rmrf(run_dir)
self._mkpath(run_dir)
with open(err_file, 'w') as cerr:
cmd = os.path.join(env.project_dir,
'tests/http/testenv/ws_echo_server.py')
args = [cmd, '--port', str(env.ws_port)]
p = subprocess.Popen(args=args, cwd=run_dir, stderr=cerr,
stdout=cerr)
assert self.check_alive(env)
yield
p.terminate()
def test_20_01_basic(self, env: Env, ws_echo, repeat):
curl = CurlClient(env=env)
url = f'http://localhost:{env.ws_port}/'
r = curl.http_download(urls=[url])
r.check_response(http_status=426)
def test_20_02_pingpong_small(self, env: Env, ws_echo, repeat):
payload = 125 * "x"
client = LocalClient(env=env, name='ws-pingpong')
if not client.exists():
pytest.skip(f'example client not built: {client.name}')
url = f'ws://localhost:{env.ws_port}/'
r = client.run(args=[url, payload])
r.check_exit_code(0)
# the python websocket server does not like 'large' control frames
def test_20_03_pingpong_too_large(self, env: Env, ws_echo, repeat):
payload = 127 * "x"
client = LocalClient(env=env, name='ws-pingpong')
if not client.exists():
pytest.skip(f'example client not built: {client.name}')
url = f'ws://localhost:{env.ws_port}/'
r = client.run(args=[url, payload])
r.check_exit_code(56)
# the python websocket server does not like 'large' control frames
def test_20_04_data_small(self, env: Env, ws_echo, repeat):
client = LocalClient(env=env, name='ws-data')
if not client.exists():
pytest.skip(f'example client not built: {client.name}')
url = f'ws://localhost:{env.ws_port}/'
r = client.run(args=[url, str(0), str(10)])
r.check_exit_code(0)
# the python websocket server does not like 'large' control frames
def test_20_05_data_med(self, env: Env, ws_echo, repeat):
client = LocalClient(env=env, name='ws-data')
if not client.exists():
pytest.skip(f'example client not built: {client.name}')
url = f'ws://localhost:{env.ws_port}/'
r = client.run(args=[url, str(120), str(130)])
r.check_exit_code(0)
# the python websocket server does not like 'large' control frames
def test_20_06_data_large(self, env: Env, ws_echo, repeat):
client = LocalClient(env=env, name='ws-data')
if not client.exists():
pytest.skip(f'example client not built: {client.name}')
url = f'ws://localhost:{env.ws_port}/'
r = client.run(args=[url, str(65535 - 5), str(65535 + 5)])
r.check_exit_code(0)
# the python websocket server does not like 'large' control frames
def test_20_07_data_large_small_recv(self, env: Env, ws_echo, repeat):
client = LocalClient(env=env, name='ws-data', run_env={
'CURL_WS_CHUNK_SIZE': '1024',
})
if not client.exists():
pytest.skip(f'example client not built: {client.name}')
url = f'ws://localhost:{env.ws_port}/'
r = client.run(args=[url, str(65535 - 5), str(65535 + 5)])
r.check_exit_code(0)