67 lines
1.9 KiB
Python
67 lines
1.9 KiB
Python
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# flake8: noqa
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import subprocess
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import sys
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import unittest
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_import_everything = b"""
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# The event loop is not fork-safe, and it's easy to initialize an asyncio.Future
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# at startup, which in turn creates the default event loop and prevents forking.
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# Explicitly disallow the default event loop so that an error will be raised
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# if something tries to touch it.
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import asyncio
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asyncio.set_event_loop(None)
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import tornado.auth
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import tornado.autoreload
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import tornado.concurrent
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import tornado.escape
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import tornado.gen
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import tornado.http1connection
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import tornado.httpclient
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import tornado.httpserver
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import tornado.httputil
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import tornado.ioloop
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import tornado.iostream
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import tornado.locale
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import tornado.log
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import tornado.netutil
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import tornado.options
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import tornado.process
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import tornado.simple_httpclient
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import tornado.tcpserver
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import tornado.tcpclient
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import tornado.template
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import tornado.testing
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import tornado.util
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import tornado.web
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import tornado.websocket
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import tornado.wsgi
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try:
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import pycurl
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except ImportError:
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pass
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else:
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import tornado.curl_httpclient
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"""
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class ImportTest(unittest.TestCase):
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def test_import_everything(self):
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# Test that all Tornado modules can be imported without side effects,
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# specifically without initializing the default asyncio event loop.
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# Since we can't tell which modules may have already beein imported
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# in our process, do it in a subprocess for a clean slate.
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proc = subprocess.Popen([sys.executable], stdin=subprocess.PIPE)
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proc.communicate(_import_everything)
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self.assertEqual(proc.returncode, 0)
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def test_import_aliases(self):
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# Ensure we don't delete formerly-documented aliases accidentally.
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import tornado.ioloop
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import tornado.gen
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import tornado.util
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self.assertIs(tornado.ioloop.TimeoutError, tornado.util.TimeoutError)
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self.assertIs(tornado.gen.TimeoutError, tornado.util.TimeoutError)
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