350 lines
12 KiB
Python
350 lines
12 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 ssl
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import threading
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import unittest
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import websocket as ws
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"""
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test_app.py
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websocket - WebSocket client library for Python
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Copyright 2023 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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# 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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class WebSocketAppTest(unittest.TestCase):
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class NotSetYet:
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"""A marker class for signalling that a value hasn't been set yet."""
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def setUp(self):
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ws.enableTrace(TRACEABLE)
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WebSocketAppTest.keep_running_open = WebSocketAppTest.NotSetYet()
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WebSocketAppTest.keep_running_close = WebSocketAppTest.NotSetYet()
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WebSocketAppTest.get_mask_key_id = WebSocketAppTest.NotSetYet()
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WebSocketAppTest.on_error_data = WebSocketAppTest.NotSetYet()
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def tearDown(self):
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WebSocketAppTest.keep_running_open = WebSocketAppTest.NotSetYet()
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WebSocketAppTest.keep_running_close = WebSocketAppTest.NotSetYet()
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WebSocketAppTest.get_mask_key_id = WebSocketAppTest.NotSetYet()
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WebSocketAppTest.on_error_data = WebSocketAppTest.NotSetYet()
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@unittest.skipUnless(
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TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
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)
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def testKeepRunning(self):
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"""A WebSocketApp should keep running as long as its self.keep_running
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is not False (in the boolean context).
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"""
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def on_open(self, *args, **kwargs):
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"""Set the keep_running flag for later inspection and immediately
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close the connection.
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"""
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self.send("hello!")
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WebSocketAppTest.keep_running_open = self.keep_running
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self.keep_running = False
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def on_message(wsapp, message):
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print(message)
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self.close()
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def on_close(self, *args, **kwargs):
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"""Set the keep_running flag for the test to use."""
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WebSocketAppTest.keep_running_close = self.keep_running
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app = ws.WebSocketApp(
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f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}",
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on_open=on_open,
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on_close=on_close,
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on_message=on_message,
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)
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app.run_forever()
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# @unittest.skipUnless(TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled")
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@unittest.skipUnless(False, "Test disabled for now (requires rel)")
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def testRunForeverDispatcher(self):
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"""A WebSocketApp should keep running as long as its self.keep_running
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is not False (in the boolean context).
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"""
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def on_open(self, *args, **kwargs):
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"""Send a message, receive, and send one more"""
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self.send("hello!")
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self.recv()
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self.send("goodbye!")
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def on_message(wsapp, message):
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print(message)
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self.close()
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app = ws.WebSocketApp(
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f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}",
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on_open=on_open,
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on_message=on_message,
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)
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app.run_forever(dispatcher="Dispatcher") # doesn't work
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# app.run_forever(dispatcher=rel) # would work
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# rel.dispatch()
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@unittest.skipUnless(
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TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
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)
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def testRunForeverTeardownCleanExit(self):
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"""The WebSocketApp.run_forever() method should return `False` when the application ends gracefully."""
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app = ws.WebSocketApp(f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}")
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threading.Timer(interval=0.2, function=app.close).start()
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teardown = app.run_forever()
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self.assertEqual(teardown, False)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testSockMaskKey(self):
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"""A WebSocketApp should forward the received mask_key function down
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to the actual socket.
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"""
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def my_mask_key_func():
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return "\x00\x00\x00\x00"
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app = ws.WebSocketApp(
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"wss://api-pub.bitfinex.com/ws/1", get_mask_key=my_mask_key_func
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)
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# if numpy is installed, this assertion fail
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# Note: We can't use 'is' for comparing the functions directly, need to use 'id'.
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self.assertEqual(id(app.get_mask_key), id(my_mask_key_func))
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testInvalidPingIntervalPingTimeout(self):
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"""Test exception handling if ping_interval < ping_timeout"""
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def on_ping(app, msg):
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print("Got a ping!")
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app.close()
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def on_pong(app, msg):
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print("Got a pong! No need to respond")
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app.close()
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app = ws.WebSocketApp(
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"wss://api-pub.bitfinex.com/ws/1", on_ping=on_ping, on_pong=on_pong
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)
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self.assertRaises(
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ws.WebSocketException,
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app.run_forever,
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ping_interval=1,
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ping_timeout=2,
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sslopt={"cert_reqs": ssl.CERT_NONE},
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)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testPingInterval(self):
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"""Test WebSocketApp proper ping functionality"""
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def on_ping(app, msg):
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print("Got a ping!")
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app.close()
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def on_pong(app, msg):
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print("Got a pong! No need to respond")
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app.close()
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app = ws.WebSocketApp(
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"wss://api-pub.bitfinex.com/ws/1", on_ping=on_ping, on_pong=on_pong
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)
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app.run_forever(
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ping_interval=2, ping_timeout=1, sslopt={"cert_reqs": ssl.CERT_NONE}
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)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testOpcodeClose(self):
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"""Test WebSocketApp close opcode"""
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app = ws.WebSocketApp("wss://tsock.us1.twilio.com/v3/wsconnect")
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app.run_forever(ping_interval=2, ping_timeout=1, ping_payload="Ping payload")
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# This is commented out because the URL no longer responds in the expected way
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# @unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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# def testOpcodeBinary(self):
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# """ Test WebSocketApp binary opcode
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# """
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# app = ws.WebSocketApp('wss://streaming.vn.teslamotors.com/streaming/')
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# app.run_forever(ping_interval=2, ping_timeout=1, ping_payload="Ping payload")
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testBadPingInterval(self):
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"""A WebSocketApp handling of negative ping_interval"""
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app = ws.WebSocketApp("wss://api-pub.bitfinex.com/ws/1")
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self.assertRaises(
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ws.WebSocketException,
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app.run_forever,
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ping_interval=-5,
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sslopt={"cert_reqs": ssl.CERT_NONE},
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)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testBadPingTimeout(self):
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"""A WebSocketApp handling of negative ping_timeout"""
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app = ws.WebSocketApp("wss://api-pub.bitfinex.com/ws/1")
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self.assertRaises(
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ws.WebSocketException,
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app.run_forever,
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ping_timeout=-3,
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sslopt={"cert_reqs": ssl.CERT_NONE},
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)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def testCloseStatusCode(self):
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"""Test extraction of close frame status code and close reason in WebSocketApp"""
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def on_close(wsapp, close_status_code, close_msg):
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print("on_close reached")
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app = ws.WebSocketApp(
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"wss://tsock.us1.twilio.com/v3/wsconnect", on_close=on_close
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)
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closeframe = ws.ABNF(
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opcode=ws.ABNF.OPCODE_CLOSE, data=b"\x03\xe8no-init-from-client"
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)
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self.assertEqual([1000, "no-init-from-client"], app._get_close_args(closeframe))
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closeframe = ws.ABNF(opcode=ws.ABNF.OPCODE_CLOSE, data=b"")
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self.assertEqual([None, None], app._get_close_args(closeframe))
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app2 = ws.WebSocketApp("wss://tsock.us1.twilio.com/v3/wsconnect")
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closeframe = ws.ABNF(opcode=ws.ABNF.OPCODE_CLOSE, data=b"")
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self.assertEqual([None, None], app2._get_close_args(closeframe))
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self.assertRaises(
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ws.WebSocketConnectionClosedException,
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app.send,
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data="test if connection is closed",
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)
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@unittest.skipUnless(
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TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
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)
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def testCallbackFunctionException(self):
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"""Test callback function exception handling"""
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exc = None
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passed_app = None
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def on_open(app):
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raise RuntimeError("Callback failed")
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def on_error(app, err):
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nonlocal passed_app
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passed_app = app
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nonlocal exc
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exc = err
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def on_pong(app, msg):
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app.close()
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app = ws.WebSocketApp(
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f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}",
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on_open=on_open,
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on_error=on_error,
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on_pong=on_pong,
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)
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app.run_forever(ping_interval=2, ping_timeout=1)
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self.assertEqual(passed_app, app)
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self.assertIsInstance(exc, RuntimeError)
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self.assertEqual(str(exc), "Callback failed")
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@unittest.skipUnless(
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TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
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)
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def testCallbackMethodException(self):
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"""Test callback method exception handling"""
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class Callbacks:
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def __init__(self):
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self.exc = None
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self.passed_app = None
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self.app = ws.WebSocketApp(
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f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}",
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on_open=self.on_open,
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on_error=self.on_error,
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on_pong=self.on_pong,
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)
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self.app.run_forever(ping_interval=2, ping_timeout=1)
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def on_open(self, app):
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raise RuntimeError("Callback failed")
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def on_error(self, app, err):
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self.passed_app = app
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self.exc = err
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def on_pong(self, app, msg):
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app.close()
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callbacks = Callbacks()
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self.assertEqual(callbacks.passed_app, callbacks.app)
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self.assertIsInstance(callbacks.exc, RuntimeError)
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self.assertEqual(str(callbacks.exc), "Callback failed")
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@unittest.skipUnless(
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TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
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)
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def testReconnect(self):
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"""Test reconnect"""
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pong_count = 0
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exc = None
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def on_error(app, err):
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nonlocal exc
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exc = err
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def on_pong(app, msg):
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nonlocal pong_count
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pong_count += 1
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if pong_count == 1:
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# First pong, shutdown socket, enforce read error
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app.sock.shutdown()
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if pong_count >= 2:
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# Got second pong after reconnect
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app.close()
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app = ws.WebSocketApp(
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f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}", on_pong=on_pong, on_error=on_error
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)
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app.run_forever(ping_interval=2, ping_timeout=1, reconnect=3)
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self.assertEqual(pong_count, 2)
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self.assertIsInstance(exc, ws.WebSocketTimeoutException)
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self.assertEqual(str(exc), "ping/pong timed out")
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if __name__ == "__main__":
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unittest.main()
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