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import pytest
from urllib3.poolmanager import ProxyManager
class TestProxyManager(object):
def test_proxy_headers(self):
url = 'http://pypi.org/project/urllib3/'
with ProxyManager('http://something:1234') as p:
# Verify default headers
default_headers = {'Accept': '*/*',
'Host': 'pypi.org'}
headers = p._set_proxy_headers(url)
assert headers == default_headers
# Verify default headers don't overwrite provided headers
provided_headers = {'Accept': 'application/json',
'custom': 'header',
'Host': 'test.python.org'}
headers = p._set_proxy_headers(url, provided_headers)
assert headers == provided_headers
# Verify proxy with nonstandard port
provided_headers = {'Accept': 'application/json'}
expected_headers = provided_headers.copy()
expected_headers.update({'Host': 'pypi.org:8080'})
url_with_port = 'http://pypi.org:8080/project/urllib3/'
headers = p._set_proxy_headers(url_with_port, provided_headers)
assert headers == expected_headers
def test_default_port(self):
with ProxyManager('http://something') as p:
assert p.proxy.port == 80
with ProxyManager('https://something') as p:
assert p.proxy.port == 443
def test_invalid_scheme(self):
with pytest.raises(AssertionError):
ProxyManager('invalid://host/p')
with pytest.raises(ValueError):
ProxyManager('invalid://host/p')
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