498 lines
18 KiB
Python
498 lines
18 KiB
Python
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# -*- coding: utf-8 -*-
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#
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import os
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import os.path
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import socket
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import unittest
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from base64 import decodebytes as base64decode
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import websocket as ws
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from websocket._exceptions import WebSocketBadStatusException, WebSocketAddressException
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from websocket._handshake import _create_sec_websocket_key
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from websocket._handshake import _validate as _validate_header
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from websocket._http import read_headers
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from websocket._utils import validate_utf8
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"""
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test_websocket.py
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websocket - WebSocket client library for Python
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Copyright 2024 engn33r
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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try:
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import ssl
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except ImportError:
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# dummy class of SSLError for ssl none-support environment.
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class SSLError(Exception):
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pass
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# Skip test to access the internet unless TEST_WITH_INTERNET == 1
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TEST_WITH_INTERNET = os.environ.get("TEST_WITH_INTERNET", "0") == "1"
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# Skip tests relying on local websockets server unless LOCAL_WS_SERVER_PORT != -1
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LOCAL_WS_SERVER_PORT = os.environ.get("LOCAL_WS_SERVER_PORT", "-1")
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TEST_WITH_LOCAL_SERVER = LOCAL_WS_SERVER_PORT != "-1"
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TRACEABLE = True
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def create_mask_key(_):
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return "abcd"
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class SockMock:
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def __init__(self):
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self.data = []
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self.sent = []
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def add_packet(self, data):
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self.data.append(data)
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def gettimeout(self):
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return None
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def recv(self, bufsize):
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if self.data:
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e = self.data.pop(0)
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if isinstance(e, Exception):
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raise e
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if len(e) > bufsize:
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self.data.insert(0, e[bufsize:])
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return e[:bufsize]
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def send(self, data):
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self.sent.append(data)
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return len(data)
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def close(self):
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pass
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class HeaderSockMock(SockMock):
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def __init__(self, fname):
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SockMock.__init__(self)
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path = os.path.join(os.path.dirname(__file__), fname)
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with open(path, "rb") as f:
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self.add_packet(f.read())
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class WebSocketTest(unittest.TestCase):
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def setUp(self):
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ws.enableTrace(TRACEABLE)
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def tearDown(self):
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pass
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def test_default_timeout(self):
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self.assertEqual(ws.getdefaulttimeout(), None)
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ws.setdefaulttimeout(10)
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self.assertEqual(ws.getdefaulttimeout(), 10)
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ws.setdefaulttimeout(None)
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def test_ws_key(self):
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key = _create_sec_websocket_key()
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self.assertTrue(key != 24)
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self.assertTrue("¥n" not in key)
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def test_nonce(self):
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"""WebSocket key should be a random 16-byte nonce."""
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key = _create_sec_websocket_key()
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nonce = base64decode(key.encode("utf-8"))
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self.assertEqual(16, len(nonce))
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def test_ws_utils(self):
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key = "c6b8hTg4EeGb2gQMztV1/g=="
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required_header = {
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"upgrade": "websocket",
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"connection": "upgrade",
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"sec-websocket-accept": "Kxep+hNu9n51529fGidYu7a3wO0=",
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}
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self.assertEqual(_validate_header(required_header, key, None), (True, None))
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header = required_header.copy()
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header["upgrade"] = "http"
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self.assertEqual(_validate_header(header, key, None), (False, None))
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del header["upgrade"]
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self.assertEqual(_validate_header(header, key, None), (False, None))
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header = required_header.copy()
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header["connection"] = "something"
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self.assertEqual(_validate_header(header, key, None), (False, None))
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del header["connection"]
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self.assertEqual(_validate_header(header, key, None), (False, None))
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header = required_header.copy()
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header["sec-websocket-accept"] = "something"
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self.assertEqual(_validate_header(header, key, None), (False, None))
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del header["sec-websocket-accept"]
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self.assertEqual(_validate_header(header, key, None), (False, None))
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header = required_header.copy()
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header["sec-websocket-protocol"] = "sub1"
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self.assertEqual(
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_validate_header(header, key, ["sub1", "sub2"]), (True, "sub1")
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)
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# This case will print out a logging error using the error() function, but that is expected
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self.assertEqual(_validate_header(header, key, ["sub2", "sub3"]), (False, None))
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header = required_header.copy()
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header["sec-websocket-protocol"] = "sUb1"
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self.assertEqual(
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_validate_header(header, key, ["Sub1", "suB2"]), (True, "sub1")
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)
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header = required_header.copy()
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# This case will print out a logging error using the error() function, but that is expected
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self.assertEqual(_validate_header(header, key, ["Sub1", "suB2"]), (False, None))
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def test_read_header(self):
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status, header, _ = read_headers(HeaderSockMock("data/header01.txt"))
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self.assertEqual(status, 101)
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self.assertEqual(header["connection"], "Upgrade")
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status, header, _ = read_headers(HeaderSockMock("data/header03.txt"))
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self.assertEqual(status, 101)
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self.assertEqual(header["connection"], "Upgrade, Keep-Alive")
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HeaderSockMock("data/header02.txt")
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self.assertRaises(
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ws.WebSocketException, read_headers, HeaderSockMock("data/header02.txt")
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)
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def test_send(self):
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# TODO: add longer frame data
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sock = ws.WebSocket()
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sock.set_mask_key(create_mask_key)
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s = sock.sock = HeaderSockMock("data/header01.txt")
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sock.send("Hello")
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self.assertEqual(s.sent[0], b"\x81\x85abcd)\x07\x0f\x08\x0e")
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sock.send("こんにちは")
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self.assertEqual(
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s.sent[1],
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b"\x81\x8fabcd\x82\xe3\xf0\x87\xe3\xf1\x80\xe5\xca\x81\xe2\xc5\x82\xe3\xcc",
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)
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# sock.send("x" * 5000)
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# self.assertEqual(s.sent[1], b'\x81\x8fabcd\x82\xe3\xf0\x87\xe3\xf1\x80\xe5\xca\x81\xe2\xc5\x82\xe3\xcc")
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self.assertEqual(sock.send_binary(b"1111111111101"), 19)
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def test_recv(self):
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# TODO: add longer frame data
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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something = (
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b"\x81\x8fabcd\x82\xe3\xf0\x87\xe3\xf1\x80\xe5\xca\x81\xe2\xc5\x82\xe3\xcc"
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)
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s.add_packet(something)
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data = sock.recv()
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self.assertEqual(data, "こんにちは")
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s.add_packet(b"\x81\x85abcd)\x07\x0f\x08\x0e")
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data = sock.recv()
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self.assertEqual(data, "Hello")
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def test_iter(self):
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count = 2
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s = ws.create_connection("wss://api.bitfinex.com/ws/2")
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s.send('{"event": "subscribe", "channel": "ticker"}')
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for _ in s:
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count -= 1
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if count == 0:
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break
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def test_next(self):
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sock = ws.create_connection("wss://api.bitfinex.com/ws/2")
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self.assertEqual(str, type(next(sock)))
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def test_internal_recv_strict(self):
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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s.add_packet(b"foo")
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s.add_packet(socket.timeout())
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s.add_packet(b"bar")
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# s.add_packet(SSLError("The read operation timed out"))
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s.add_packet(b"baz")
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with self.assertRaises(ws.WebSocketTimeoutException):
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sock.frame_buffer.recv_strict(9)
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# with self.assertRaises(SSLError):
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# data = sock._recv_strict(9)
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data = sock.frame_buffer.recv_strict(9)
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self.assertEqual(data, b"foobarbaz")
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with self.assertRaises(ws.WebSocketConnectionClosedException):
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sock.frame_buffer.recv_strict(1)
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def test_recv_timeout(self):
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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s.add_packet(b"\x81")
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s.add_packet(socket.timeout())
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s.add_packet(b"\x8dabcd\x29\x07\x0f\x08\x0e")
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s.add_packet(socket.timeout())
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s.add_packet(b"\x4e\x43\x33\x0e\x10\x0f\x00\x40")
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with self.assertRaises(ws.WebSocketTimeoutException):
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sock.recv()
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with self.assertRaises(ws.WebSocketTimeoutException):
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sock.recv()
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data = sock.recv()
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self.assertEqual(data, "Hello, World!")
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with self.assertRaises(ws.WebSocketConnectionClosedException):
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sock.recv()
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def test_recv_with_simple_fragmentation(self):
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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# OPCODE=TEXT, FIN=0, MSG="Brevity is "
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s.add_packet(b"\x01\x8babcd#\x10\x06\x12\x08\x16\x1aD\x08\x11C")
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# OPCODE=CONT, FIN=1, MSG="the soul of wit"
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s.add_packet(b"\x80\x8fabcd\x15\n\x06D\x12\r\x16\x08A\r\x05D\x16\x0b\x17")
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data = sock.recv()
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self.assertEqual(data, "Brevity is the soul of wit")
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with self.assertRaises(ws.WebSocketConnectionClosedException):
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sock.recv()
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def test_recv_with_fire_event_of_fragmentation(self):
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sock = ws.WebSocket(fire_cont_frame=True)
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s = sock.sock = SockMock()
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# OPCODE=TEXT, FIN=0, MSG="Brevity is "
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s.add_packet(b"\x01\x8babcd#\x10\x06\x12\x08\x16\x1aD\x08\x11C")
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# OPCODE=CONT, FIN=0, MSG="Brevity is "
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s.add_packet(b"\x00\x8babcd#\x10\x06\x12\x08\x16\x1aD\x08\x11C")
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# OPCODE=CONT, FIN=1, MSG="the soul of wit"
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s.add_packet(b"\x80\x8fabcd\x15\n\x06D\x12\r\x16\x08A\r\x05D\x16\x0b\x17")
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_, data = sock.recv_data()
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self.assertEqual(data, b"Brevity is ")
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_, data = sock.recv_data()
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self.assertEqual(data, b"Brevity is ")
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_, data = sock.recv_data()
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self.assertEqual(data, b"the soul of wit")
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# OPCODE=CONT, FIN=0, MSG="Brevity is "
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s.add_packet(b"\x80\x8babcd#\x10\x06\x12\x08\x16\x1aD\x08\x11C")
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with self.assertRaises(ws.WebSocketException):
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sock.recv_data()
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with self.assertRaises(ws.WebSocketConnectionClosedException):
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sock.recv()
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def test_close(self):
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sock = ws.WebSocket()
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sock.connected = True
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sock.close
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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sock.connected = True
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s.add_packet(b"\x88\x80\x17\x98p\x84")
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sock.recv()
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self.assertEqual(sock.connected, False)
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def test_recv_cont_fragmentation(self):
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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# OPCODE=CONT, FIN=1, MSG="the soul of wit"
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s.add_packet(b"\x80\x8fabcd\x15\n\x06D\x12\r\x16\x08A\r\x05D\x16\x0b\x17")
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self.assertRaises(ws.WebSocketException, sock.recv)
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def test_recv_with_prolonged_fragmentation(self):
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sock = ws.WebSocket()
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s = sock.sock = SockMock()
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# OPCODE=TEXT, FIN=0, MSG="Once more unto the breach, "
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s.add_packet(
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b"\x01\x9babcd.\x0c\x00\x01A\x0f\x0c\x16\x04B\x16\n\x15\rC\x10\t\x07C\x06\x13\x07\x02\x07\tNC"
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)
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# OPCODE=CONT, FIN=0, MSG="dear friends, "
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s.add_packet(b"\x00\x8eabcd\x05\x07\x02\x16A\x04\x11\r\x04\x0c\x07\x17MB")
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# OPCODE=CONT, FIN=1, MSG="once more"
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s.add_packet(b"\x80\x89abcd\x0e\x0c\x00\x01A\x0f\x0c\x16\x04")
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data = sock.recv()
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self.assertEqual(data, "Once more unto the breach, dear friends, once more")
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with self.assertRaises(ws.WebSocketConnectionClosedException):
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sock.recv()
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def test_recv_with_fragmentation_and_control_frame(self):
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sock = ws.WebSocket()
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sock.set_mask_key(create_mask_key)
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s = sock.sock = SockMock()
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# OPCODE=TEXT, FIN=0, MSG="Too much "
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s.add_packet(b"\x01\x89abcd5\r\x0cD\x0c\x17\x00\x0cA")
|
||
|
|
# OPCODE=PING, FIN=1, MSG="Please PONG this"
|
||
|
|
s.add_packet(b"\x89\x90abcd1\x0e\x06\x05\x12\x07C4.,$D\x15\n\n\x17")
|
||
|
|
# OPCODE=CONT, FIN=1, MSG="of a good thing"
|
||
|
|
s.add_packet(b"\x80\x8fabcd\x0e\x04C\x05A\x05\x0c\x0b\x05B\x17\x0c\x08\x0c\x04")
|
||
|
|
data = sock.recv()
|
||
|
|
self.assertEqual(data, "Too much of a good thing")
|
||
|
|
with self.assertRaises(ws.WebSocketConnectionClosedException):
|
||
|
|
sock.recv()
|
||
|
|
self.assertEqual(
|
||
|
|
s.sent[0], b"\x8a\x90abcd1\x0e\x06\x05\x12\x07C4.,$D\x15\n\n\x17"
|
||
|
|
)
|
||
|
|
|
||
|
|
@unittest.skipUnless(
|
||
|
|
TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
|
||
|
|
)
|
||
|
|
def test_websocket(self):
|
||
|
|
s = ws.create_connection(f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}")
|
||
|
|
self.assertNotEqual(s, None)
|
||
|
|
s.send("Hello, World")
|
||
|
|
result = s.next()
|
||
|
|
s.fileno()
|
||
|
|
self.assertEqual(result, "Hello, World")
|
||
|
|
|
||
|
|
s.send("こにゃにゃちは、世界")
|
||
|
|
result = s.recv()
|
||
|
|
self.assertEqual(result, "こにゃにゃちは、世界")
|
||
|
|
self.assertRaises(ValueError, s.send_close, -1, "")
|
||
|
|
s.close()
|
||
|
|
|
||
|
|
@unittest.skipUnless(
|
||
|
|
TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
|
||
|
|
)
|
||
|
|
def test_ping_pong(self):
|
||
|
|
s = ws.create_connection(f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}")
|
||
|
|
self.assertNotEqual(s, None)
|
||
|
|
s.ping("Hello")
|
||
|
|
s.pong("Hi")
|
||
|
|
s.close()
|
||
|
|
|
||
|
|
@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
|
||
|
|
def test_support_redirect(self):
|
||
|
|
s = ws.WebSocket()
|
||
|
|
self.assertRaises(WebSocketBadStatusException, s.connect, "ws://google.com/")
|
||
|
|
# Need to find a URL that has a redirect code leading to a websocket
|
||
|
|
|
||
|
|
@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
|
||
|
|
def test_secure_websocket(self):
|
||
|
|
s = ws.create_connection("wss://api.bitfinex.com/ws/2")
|
||
|
|
self.assertNotEqual(s, None)
|
||
|
|
self.assertTrue(isinstance(s.sock, ssl.SSLSocket))
|
||
|
|
self.assertEqual(s.getstatus(), 101)
|
||
|
|
self.assertNotEqual(s.getheaders(), None)
|
||
|
|
s.settimeout(10)
|
||
|
|
self.assertEqual(s.gettimeout(), 10)
|
||
|
|
self.assertEqual(s.getsubprotocol(), None)
|
||
|
|
s.abort()
|
||
|
|
|
||
|
|
@unittest.skipUnless(
|
||
|
|
TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
|
||
|
|
)
|
||
|
|
def test_websocket_with_custom_header(self):
|
||
|
|
s = ws.create_connection(
|
||
|
|
f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}",
|
||
|
|
headers={"User-Agent": "PythonWebsocketClient"},
|
||
|
|
)
|
||
|
|
self.assertNotEqual(s, None)
|
||
|
|
self.assertEqual(s.getsubprotocol(), None)
|
||
|
|
s.send("Hello, World")
|
||
|
|
result = s.recv()
|
||
|
|
self.assertEqual(result, "Hello, World")
|
||
|
|
self.assertRaises(ValueError, s.close, -1, "")
|
||
|
|
s.close()
|
||
|
|
|
||
|
|
@unittest.skipUnless(
|
||
|
|
TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
|
||
|
|
)
|
||
|
|
def test_after_close(self):
|
||
|
|
s = ws.create_connection(f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}")
|
||
|
|
self.assertNotEqual(s, None)
|
||
|
|
s.close()
|
||
|
|
self.assertRaises(ws.WebSocketConnectionClosedException, s.send, "Hello")
|
||
|
|
self.assertRaises(ws.WebSocketConnectionClosedException, s.recv)
|
||
|
|
|
||
|
|
|
||
|
|
class SockOptTest(unittest.TestCase):
|
||
|
|
@unittest.skipUnless(
|
||
|
|
TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
|
||
|
|
)
|
||
|
|
def test_sockopt(self):
|
||
|
|
sockopt = ((socket.IPPROTO_TCP, socket.TCP_NODELAY, 1),)
|
||
|
|
s = ws.create_connection(
|
||
|
|
f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}", sockopt=sockopt
|
||
|
|
)
|
||
|
|
self.assertNotEqual(
|
||
|
|
s.sock.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY), 0
|
||
|
|
)
|
||
|
|
s.close()
|
||
|
|
|
||
|
|
|
||
|
|
class UtilsTest(unittest.TestCase):
|
||
|
|
def test_utf8_validator(self):
|
||
|
|
state = validate_utf8(b"\xf0\x90\x80\x80")
|
||
|
|
self.assertEqual(state, True)
|
||
|
|
state = validate_utf8(
|
||
|
|
b"\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5\xed\xa0\x80edited"
|
||
|
|
)
|
||
|
|
self.assertEqual(state, False)
|
||
|
|
state = validate_utf8(b"")
|
||
|
|
self.assertEqual(state, True)
|
||
|
|
|
||
|
|
|
||
|
|
class HandshakeTest(unittest.TestCase):
|
||
|
|
@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
|
||
|
|
def test_http_ssl(self):
|
||
|
|
websock1 = ws.WebSocket(
|
||
|
|
sslopt={"cert_chain": ssl.get_default_verify_paths().capath},
|
||
|
|
enable_multithread=False,
|
||
|
|
)
|
||
|
|
self.assertRaises(ValueError, websock1.connect, "wss://api.bitfinex.com/ws/2")
|
||
|
|
websock2 = ws.WebSocket(sslopt={"certfile": "myNonexistentCertFile"})
|
||
|
|
self.assertRaises(
|
||
|
|
FileNotFoundError, websock2.connect, "wss://api.bitfinex.com/ws/2"
|
||
|
|
)
|
||
|
|
|
||
|
|
@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
|
||
|
|
def test_manual_headers(self):
|
||
|
|
websock3 = ws.WebSocket(
|
||
|
|
sslopt={
|
||
|
|
"ca_certs": ssl.get_default_verify_paths().cafile,
|
||
|
|
"ca_cert_path": ssl.get_default_verify_paths().capath,
|
||
|
|
}
|
||
|
|
)
|
||
|
|
self.assertRaises(
|
||
|
|
WebSocketBadStatusException,
|
||
|
|
websock3.connect,
|
||
|
|
"wss://api.bitfinex.com/ws/2",
|
||
|
|
cookie="chocolate",
|
||
|
|
origin="testing_websockets.com",
|
||
|
|
host="echo.websocket.events/websocket-client-test",
|
||
|
|
subprotocols=["testproto"],
|
||
|
|
connection="Upgrade",
|
||
|
|
header={
|
||
|
|
"CustomHeader1": "123",
|
||
|
|
"Cookie": "TestValue",
|
||
|
|
"Sec-WebSocket-Key": "k9kFAUWNAMmf5OEMfTlOEA==",
|
||
|
|
"Sec-WebSocket-Protocol": "newprotocol",
|
||
|
|
},
|
||
|
|
)
|
||
|
|
|
||
|
|
def test_ipv6(self):
|
||
|
|
websock2 = ws.WebSocket()
|
||
|
|
self.assertRaises(ValueError, websock2.connect, "2001:4860:4860::8888")
|
||
|
|
|
||
|
|
def test_bad_urls(self):
|
||
|
|
websock3 = ws.WebSocket()
|
||
|
|
self.assertRaises(ValueError, websock3.connect, "ws//example.com")
|
||
|
|
self.assertRaises(WebSocketAddressException, websock3.connect, "ws://example")
|
||
|
|
self.assertRaises(ValueError, websock3.connect, "example.com")
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
unittest.main()
|