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56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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'''Test using a proxy.'''
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# External imports
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import multiprocessing
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import pytest
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from six.moves import socketserver, SimpleHTTPServer
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from six.moves.urllib.request import urlopen
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# Internal imports
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import vcr
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# Conditional imports
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requests = pytest.importorskip("requests")
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class Proxy(SimpleHTTPServer.SimpleHTTPRequestHandler):
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'''
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Simple proxy server.
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(Inspired by: http://effbot.org/librarybook/simplehttpserver.htm).
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'''
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def do_GET(self):
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upstream_response = urlopen(self.path)
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try:
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status = upstream_response.status
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headers = upstream_response.headers.items()
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except AttributeError:
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# In Python 2 the response is an addinfourl instance.
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status = upstream_response.code
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headers = upstream_response.info().items()
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self.send_response(status, upstream_response.msg)
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for header in headers:
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self.send_header(*header)
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self.end_headers()
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self.copyfile(upstream_response, self.wfile)
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@pytest.yield_fixture(scope='session')
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def proxy_server():
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httpd = socketserver.ThreadingTCPServer(('', 0), Proxy)
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proxy_process = multiprocessing.Process(
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target=httpd.serve_forever,
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)
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proxy_process.start()
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yield 'http://{0}:{1}'.format(*httpd.server_address)
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proxy_process.terminate()
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def test_use_proxy(tmpdir, httpbin, proxy_server):
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'''Ensure that it works with a proxy.'''
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with vcr.use_cassette(str(tmpdir.join('proxy.yaml'))):
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requests.get(httpbin.url, proxies={'http': proxy_server})
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requests.get(httpbin.url, proxies={'http': proxy_server})
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