python2/httplib2test.py

#!/usr/bin/env python2.4
"""A set of unit tests for httplib2.py."""

__author__ = "Joe Gregorio (joe@bitworking.org)"
__copyright__ = "Copyright 2006, Joe Gregorio"
__contributors__ = []
__license__ = "MIT"
__version__ = "0.1 ($Rev: 118 $)"

import base64
import httplib
import httplib2
import os
import pickle
import socket
import StringIO
import sys
import time
import unittest
import urlparse

try:
    import ssl
except ImportError:
    pass

# Python 2.3 support
if not hasattr(unittest.TestCase, "assertTrue"):
    unittest.TestCase.assertTrue = unittest.TestCase.failUnless
    unittest.TestCase.assertFalse = unittest.TestCase.failIf

# The test resources base uri
base = "http://bitworking.org/projects/httplib2/test/"
# base = 'http://localhost/projects/httplib2/test/'
cacheDirName = ".cache"


class CredentialsTest(unittest.TestCase):
    def test(self):
        c = httplib2.Credentials()
        c.add("joe", "password")
        self.assertEqual(("joe", "password"), list(c.iter("bitworking.org"))[0])
        self.assertEqual(("joe", "password"), list(c.iter(""))[0])
        c.add("fred", "password2", "wellformedweb.org")
        self.assertEqual(("joe", "password"), list(c.iter("bitworking.org"))[0])
        self.assertEqual(1, len(list(c.iter("bitworking.org"))))
        self.assertEqual(2, len(list(c.iter("wellformedweb.org"))))
        self.assertTrue(("fred", "password2") in list(c.iter("wellformedweb.org")))
        c.clear()
        self.assertEqual(0, len(list(c.iter("bitworking.org"))))
        c.add("fred", "password2", "wellformedweb.org")
        self.assertTrue(("fred", "password2") in list(c.iter("wellformedweb.org")))
        self.assertEqual(0, len(list(c.iter("bitworking.org"))))
        self.assertEqual(0, len(list(c.iter(""))))


class ParserTest(unittest.TestCase):
    def testFromStd66(self):
        self.assertEqual(
            ("http", "example.com", "", None, None),
            httplib2.parse_uri("http://example.com"),
        )
        self.assertEqual(
            ("https", "example.com", "", None, None),
            httplib2.parse_uri("https://example.com"),
        )
        self.assertEqual(
            ("https", "example.com:8080", "", None, None),
            httplib2.parse_uri("https://example.com:8080"),
        )
        self.assertEqual(
            ("http", "example.com", "/", None, None),
            httplib2.parse_uri("http://example.com/"),
        )
        self.assertEqual(
            ("http", "example.com", "/path", None, None),
            httplib2.parse_uri("http://example.com/path"),
        )
        self.assertEqual(
            ("http", "example.com", "/path", "a=1&b=2", None),
            httplib2.parse_uri("http://example.com/path?a=1&b=2"),
        )
        self.assertEqual(
            ("http", "example.com", "/path", "a=1&b=2", "fred"),
            httplib2.parse_uri("http://example.com/path?a=1&b=2#fred"),
        )
        self.assertEqual(
            ("http", "example.com", "/path", "a=1&b=2", "fred"),
            httplib2.parse_uri("http://example.com/path?a=1&b=2#fred"),
        )


class UrlNormTest(unittest.TestCase):
    def test(self):
        self.assertEqual(
            "http://example.org/", httplib2.urlnorm("http://example.org")[-1]
        )
        self.assertEqual(
            "http://example.org/", httplib2.urlnorm("http://EXAMple.org")[-1]
        )
        self.assertEqual(
            "http://example.org/?=b", httplib2.urlnorm("http://EXAMple.org?=b")[-1]
        )
        self.assertEqual(
            "http://example.org/mypath?a=b",
            httplib2.urlnorm("http://EXAMple.org/mypath?a=b")[-1],
        )
        self.assertEqual(
            "http://localhost:80/", httplib2.urlnorm("http://localhost:80")[-1]
        )
        self.assertEqual(
            httplib2.urlnorm("http://localhost:80/"),
            httplib2.urlnorm("HTTP://LOCALHOST:80"),
        )
        try:
            httplib2.urlnorm("/")
            self.fail("Non-absolute URIs should raise an exception")
        except httplib2.RelativeURIError:
            pass


class UrlSafenameTest(unittest.TestCase):
    def test(self):
        # Test that different URIs end up generating different safe names
        self.assertEqual(
            "example.org,fred,a=b,58489f63a7a83c3b7794a6a398ee8b1f",
            httplib2.safename("http://example.org/fred/?a=b"),
        )
        self.assertEqual(
            "example.org,fred,a=b,8c5946d56fec453071f43329ff0be46b",
            httplib2.safename("http://example.org/fred?/a=b"),
        )
        self.assertEqual(
            "www.example.org,fred,a=b,499c44b8d844a011b67ea2c015116968",
            httplib2.safename("http://www.example.org/fred?/a=b"),
        )
        self.assertEqual(
            httplib2.safename(httplib2.urlnorm("http://www")[-1]),
            httplib2.safename(httplib2.urlnorm("http://WWW")[-1]),
        )
        self.assertEqual(
            "www.example.org,fred,a=b,692e843a333484ce0095b070497ab45d",
            httplib2.safename("https://www.example.org/fred?/a=b"),
        )
        self.assertNotEqual(
            httplib2.safename("http://www"), httplib2.safename("https://www")
        )
        # Test the max length limits
        uri = "http://" + ("w" * 200) + ".org"
        uri2 = "http://" + ("w" * 201) + ".org"
        self.assertNotEqual(httplib2.safename(uri2), httplib2.safename(uri))
        # Max length should be 200 + 1 (",") + 32
        self.assertEqual(233, len(httplib2.safename(uri2)))
        self.assertEqual(233, len(httplib2.safename(uri)))
        # Unicode
        if sys.version_info >= (2, 3):
            self.assertEqual(
                "xn--http,-4y1d.org,fred,a=b,579924c35db315e5a32e3d9963388193",
                httplib2.safename(u"http://\u2304.org/fred/?a=b"),
            )


class _MyResponse(StringIO.StringIO):
    def __init__(self, body, **kwargs):
        StringIO.StringIO.__init__(self, body)
        self.headers = kwargs

    def iteritems(self):
        return self.headers.iteritems()


class _MyHTTPConnection(object):
    "This class is just a mock of httplib.HTTPConnection used for testing"

    def __init__(
        self,
        host,
        port=None,
        key_file=None,
        cert_file=None,
        strict=None,
        timeout=None,
        proxy_info=None,
    ):
        self.host = host
        self.port = port
        self.timeout = timeout
        self.log = ""
        self.sock = None

    def set_debuglevel(self, level):
        pass

    def connect(self):
        "Connect to a host on a given port."
        pass

    def close(self):
        pass

    def request(self, method, request_uri, body, headers):
        pass

    def getresponse(self):
        return _MyResponse("the body", status="200")


class _MyHTTPBadStatusConnection(object):
    "Mock of httplib.HTTPConnection that raises BadStatusLine."

    num_calls = 0

    def __init__(
        self,
        host,
        port=None,
        key_file=None,
        cert_file=None,
        strict=None,
        timeout=None,
        proxy_info=None,
    ):
        self.host = host
        self.port = port
        self.timeout = timeout
        self.log = ""
        self.sock = None
        _MyHTTPBadStatusConnection.num_calls = 0

    def set_debuglevel(self, level):
        pass

    def connect(self):
        pass

    def close(self):
        pass

    def request(self, method, request_uri, body, headers):
        pass

    def getresponse(self):
        _MyHTTPBadStatusConnection.num_calls += 1
        raise httplib.BadStatusLine("")


class HttpTest(unittest.TestCase):
    def setUp(self):
        if os.path.exists(cacheDirName):
            [
                os.remove(os.path.join(cacheDirName, file))
                for file in os.listdir(cacheDirName)
            ]

        if sys.version_info < (2, 6):
            disable_cert_validation = True
        else:
            disable_cert_validation = False
        self.http = httplib2.Http(
            cacheDirName, disable_ssl_certificate_validation=disable_cert_validation
        )
        self.http.clear_credentials()

    def testIPv6NoSSL(self):
        try:
            self.http.request("http://[::1]/")
        except socket.gaierror:
            self.fail("should get the address family right for IPv6")
        except socket.error:
            # Even if IPv6 isn't installed on a machine it should just raise socket.error
            pass

    def testIPv6SSL(self):
        try:
            self.http.request("https://[::1]/")
        except socket.gaierror:
            self.fail("should get the address family right for IPv6")
        except httplib2.CertificateHostnameMismatch:
            # We connected and verified that the certificate doesn't match
            #  the name. Good enough.
            pass
        except socket.error:
            # Even if IPv6 isn't installed on a machine it should just raise socket.error
            pass

    def testConnectionType(self):
        self.http.force_exception_to_status_code = False
        response, content = self.http.request(
            "http://bitworking.org", connection_type=_MyHTTPConnection
        )
        self.assertEqual(response["content-location"], "http://bitworking.org")
        self.assertEqual(content, "the body")

    def testBadStatusLineRetry(self):
        old_retries = httplib2.RETRIES
        httplib2.RETRIES = 1
        self.http.force_exception_to_status_code = False
        try:
            response, content = self.http.request(
                "http://bitworking.org", connection_type=_MyHTTPBadStatusConnection
            )
        except httplib.BadStatusLine:
            self.assertEqual(2, _MyHTTPBadStatusConnection.num_calls)
        httplib2.RETRIES = old_retries

    def testGetUnknownServer(self):
        self.http.force_exception_to_status_code = False
        try:
            self.http.request("http://fred.bitworking.org/")
            self.fail(
                "An httplib2.ServerNotFoundError Exception must be thrown on an unresolvable server."
            )
        except httplib2.ServerNotFoundError:
            pass

        # Now test with exceptions turned off
        self.http.force_exception_to_status_code = True

        (response, content) = self.http.request("http://fred.bitworking.org/")
        self.assertEqual(response["content-type"], "text/plain")
        self.assertTrue(content.startswith("Unable to find"))
        self.assertEqual(response.status, 400)

    def testGetConnectionRefused(self):
        self.http.force_exception_to_status_code = False
        try:
            self.http.request("http://localhost:7777/")
            self.fail("An socket.error exception must be thrown on Connection Refused.")
        except socket.error:
            pass

        # Now test with exceptions turned off
        self.http.force_exception_to_status_code = True

        (response, content) = self.http.request("http://localhost:7777/")
        self.assertEqual(response["content-type"], "text/plain")
        self.assertTrue(
            "Connection refused" in content or "actively refused" in content,
            "Unexpected status %(content)s" % vars(),
        )
        self.assertEqual(response.status, 400)

    def testGetIRI(self):
        if sys.version_info >= (2, 3):
            uri = urlparse.urljoin(
                base, u"reflector/reflector.cgi?d=\N{CYRILLIC CAPITAL LETTER DJE}"
            )
            (response, content) = self.http.request(uri, "GET")
            d = self.reflector(content)
            self.assertTrue("QUERY_STRING" in d)
            self.assertTrue(d["QUERY_STRING"].find("%D0%82") > 0)

    def testGetIsDefaultMethod(self):
        # Test that GET is the default method
        uri = urlparse.urljoin(base, "methods/method_reflector.cgi")
        (response, content) = self.http.request(uri)
        self.assertEqual(response["x-method"], "GET")

    def testDifferentMethods(self):
        # Test that all methods can be used
        uri = urlparse.urljoin(base, "methods/method_reflector.cgi")
        for method in ["GET", "PUT", "DELETE", "POST"]:
            (response, content) = self.http.request(uri, method, body=" ")
            self.assertEqual(response["x-method"], method)

    def testHeadRead(self):
        # Test that we don't try to read the response of a HEAD request
        # since httplib blocks response.read() for HEAD requests.
        # Oddly enough this doesn't appear as a problem when doing HEAD requests
        # against Apache servers.
        uri = "http://www.google.com/"
        (response, content) = self.http.request(uri, "HEAD")
        self.assertEqual(response.status, 200)
        self.assertEqual(content, "")

    def testGetNoCache(self):
        # Test that can do a GET w/o the cache turned on.
        http = httplib2.Http()
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.previous, None)

    def testGetOnlyIfCachedCacheHit(self):
        # Test that can do a GET with cache and 'only-if-cached'
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = self.http.request(uri, "GET")
        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "only-if-cached"}
        )
        self.assertEqual(response.fromcache, True)
        self.assertEqual(response.status, 200)

    def testGetOnlyIfCachedCacheMiss(self):
        # Test that can do a GET with no cache with 'only-if-cached'
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "only-if-cached"}
        )
        self.assertEqual(response.fromcache, False)
        self.assertEqual(response.status, 504)

    def testGetOnlyIfCachedNoCacheAtAll(self):
        # Test that can do a GET with no cache with 'only-if-cached'
        # Of course, there might be an intermediary beyond us
        # that responds to the 'only-if-cached', so this
        # test can't really be guaranteed to pass.
        http = httplib2.Http()
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = http.request(
            uri, "GET", headers={"cache-control": "only-if-cached"}
        )
        self.assertEqual(response.fromcache, False)
        self.assertEqual(response.status, 504)

    def testUserAgent(self):
        # Test that we provide a default user-agent
        uri = urlparse.urljoin(base, "user-agent/test.cgi")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertTrue(content.startswith("Python-httplib2/"))

    def testUserAgentNonDefault(self):
        # Test that the default user-agent can be over-ridden

        uri = urlparse.urljoin(base, "user-agent/test.cgi")
        (response, content) = self.http.request(
            uri, "GET", headers={"User-Agent": "fred/1.0"}
        )
        self.assertEqual(response.status, 200)
        self.assertTrue(content.startswith("fred/1.0"))

    def testGet300WithLocation(self):
        # Test the we automatically follow 300 redirects if a Location: header is provided
        uri = urlparse.urljoin(base, "300/with-location-header.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 300)
        self.assertEqual(response.previous.fromcache, False)

        # Confirm that the intermediate 300 is not cached
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 300)
        self.assertEqual(response.previous.fromcache, False)

    def testGet300WithLocationNoRedirect(self):
        # Test the we automatically follow 300 redirects if a Location: header is provided
        self.http.follow_redirects = False
        uri = urlparse.urljoin(base, "300/with-location-header.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 300)

    def testGet300WithoutLocation(self):
        # Not giving a Location: header in a 300 response is acceptable
        # In which case we just return the 300 response
        uri = urlparse.urljoin(base, "300/without-location-header.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 300)
        self.assertTrue(response["content-type"].startswith("text/html"))
        self.assertEqual(response.previous, None)

    def testGet301(self):
        # Test that we automatically follow 301 redirects
        # and that we cache the 301 response
        uri = urlparse.urljoin(base, "301/onestep.asis")
        destination = urlparse.urljoin(base, "302/final-destination.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertTrue("content-location" in response)
        self.assertEqual(response["content-location"], destination)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 301)
        self.assertEqual(response.previous.fromcache, False)

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response["content-location"], destination)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 301)
        self.assertEqual(response.previous.fromcache, True)

    def testHead301(self):
        # Test that we automatically follow 301 redirects
        uri = urlparse.urljoin(base, "301/onestep.asis")
        destination = urlparse.urljoin(base, "302/final-destination.txt")
        (response, content) = self.http.request(uri, "HEAD")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.previous.status, 301)
        self.assertEqual(response.previous.fromcache, False)

    def testGet301NoRedirect(self):
        # Test that we automatically follow 301 redirects
        # and that we cache the 301 response
        self.http.follow_redirects = False
        uri = urlparse.urljoin(base, "301/onestep.asis")
        destination = urlparse.urljoin(base, "302/final-destination.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 301)

    def testGet302(self):
        # Test that we automatically follow 302 redirects
        # and that we DO NOT cache the 302 response
        uri = urlparse.urljoin(base, "302/onestep.asis")
        destination = urlparse.urljoin(base, "302/final-destination.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response["content-location"], destination)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 302)
        self.assertEqual(response.previous.fromcache, False)

        uri = urlparse.urljoin(base, "302/onestep.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        self.assertEqual(response["content-location"], destination)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 302)
        self.assertEqual(response.previous.fromcache, False)
        self.assertEqual(response.previous["content-location"], uri)

        uri = urlparse.urljoin(base, "302/twostep.asis")

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 302)
        self.assertEqual(response.previous.fromcache, False)

    def testGet302RedirectionLimit(self):
        # Test that we can set a lower redirection limit
        # and that we raise an exception when we exceed
        # that limit.
        self.http.force_exception_to_status_code = False

        uri = urlparse.urljoin(base, "302/twostep.asis")
        try:
            (response, content) = self.http.request(uri, "GET", redirections=1)
            self.fail("This should not happen")
        except httplib2.RedirectLimit:
            pass
        except Exception as e:
            self.fail("Threw wrong kind of exception ")

        # Re-run the test with out the exceptions
        self.http.force_exception_to_status_code = True

        (response, content) = self.http.request(uri, "GET", redirections=1)
        self.assertEqual(response.status, 500)
        self.assertTrue(response.reason.startswith("Redirected more"))
        self.assertEqual("302", response["status"])
        self.assertTrue(content.startswith("<html>"))
        self.assertTrue(response.previous != None)

    def testGet302NoLocation(self):
        # Test that we throw an exception when we get
        # a 302 with no Location: header.
        self.http.force_exception_to_status_code = False
        uri = urlparse.urljoin(base, "302/no-location.asis")
        try:
            (response, content) = self.http.request(uri, "GET")
            self.fail("Should never reach here")
        except httplib2.RedirectMissingLocation:
            pass
        except Exception as e:
            self.fail("Threw wrong kind of exception ")

        # Re-run the test with out the exceptions
        self.http.force_exception_to_status_code = True

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 500)
        self.assertTrue(response.reason.startswith("Redirected but"))
        self.assertEqual("302", response["status"])
        self.assertTrue(content.startswith("This is content"))

    def testGet301ViaHttps(self):
        # Google always redirects to https://www.google.com
        (response, content) = self.http.request("https://code.google.com/apis/", "GET")
        self.assertEqual(200, response.status)
        self.assertEqual(301, response.previous.status)

    def testGetViaHttps(self):
        # Test that we can handle HTTPS
        (response, content) = self.http.request(
            "https://www.google.com/adsense/", "GET"
        )
        self.assertEqual(200, response.status)

    def testGetViaHttpsSpecViolationOnLocation(self):
        # Test that we follow redirects through HTTPS
        # even if they violate the spec by including
        # a relative Location: header instead of an
        # absolute one.
        (response, content) = self.http.request("https://www.google.com/adsense", "GET")
        self.assertEqual(200, response.status)
        self.assertNotEqual(None, response.previous)

    def testSslCertValidationDoubleDots(self):
        pass
        # No longer a valid test.
        # if sys.version_info >= (2, 6):
        # Test that we get match a double dot cert
        # try:
        #  self.http.request("https://www.appspot.com/", "GET")
        # except httplib2.CertificateHostnameMismatch:
        #  self.fail('cert with *.*.appspot.com should not raise an exception.')

    def testSslHostnameValidation(self):
        pass
        # No longer a valid test.
        # if sys.version_info >= (2, 6):
        # The SSL server at google.com:443 returns a certificate for
        # 'www.google.com', which results in a host name mismatch.
        # Note that this test only works because the ssl module and httplib2
        # do not support SNI; for requests specifying a server name of
        # 'google.com' via SNI, a matching cert would be returned.
        #    self.assertRaises(httplib2.CertificateHostnameMismatch,
        #            self.http.request, "https://google.com/", "GET")

    def testSslCertValidationWithoutSslModuleFails(self):
        if sys.version_info < (2, 6):
            http = httplib2.Http(disable_ssl_certificate_validation=False)
            self.assertRaises(
                httplib2.CertificateValidationUnsupported,
                http.request,
                "https://www.google.com/",
                "GET",
            )

    def testGetViaHttpsKeyCert(self):
        #  At this point I can only test
        #  that the key and cert files are passed in
        #  correctly to httplib. It would be nice to have
        #  a real https endpoint to test against.

        # bitworking.org presents an certificate for a non-matching host
        # (*.webfaction.com), so we need to disable cert checking for this test.
        http = httplib2.Http(timeout=2, disable_ssl_certificate_validation=True)

        http.add_certificate("akeyfile", "acertfile", "bitworking.org")
        try:
            (response, content) = http.request("https://bitworking.org", "GET")
        except:
            pass
        self.assertEqual(http.connections["https:bitworking.org"].key_file, "akeyfile")
        self.assertEqual(
            http.connections["https:bitworking.org"].cert_file, "acertfile"
        )

        try:
            (response, content) = http.request("https://notthere.bitworking.org", "GET")
        except:
            pass
        self.assertEqual(
            http.connections["https:notthere.bitworking.org"].key_file, None
        )
        self.assertEqual(
            http.connections["https:notthere.bitworking.org"].cert_file, None
        )

    def testGet303(self):
        # Do a follow-up GET on a Location: header
        # returned from a POST that gave a 303.
        uri = urlparse.urljoin(base, "303/303.cgi")
        (response, content) = self.http.request(uri, "POST", " ")
        self.assertEqual(response.status, 200)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 303)

    def testGet303NoRedirect(self):
        # Do a follow-up GET on a Location: header
        # returned from a POST that gave a 303.
        self.http.follow_redirects = False
        uri = urlparse.urljoin(base, "303/303.cgi")
        (response, content) = self.http.request(uri, "POST", " ")
        self.assertEqual(response.status, 303)

    def test303ForDifferentMethods(self):
        # Test that all methods can be used
        uri = urlparse.urljoin(base, "303/redirect-to-reflector.cgi")
        for (method, method_on_303) in [
            ("PUT", "GET"),
            ("DELETE", "GET"),
            ("POST", "GET"),
            ("GET", "GET"),
            ("HEAD", "GET"),
        ]:
            (response, content) = self.http.request(uri, method, body=" ")
            self.assertEqual(response["x-method"], method_on_303)

    def test303AndForwardAuthorizationHeader(self):
        # Test that all methods can be used
        uri = urlparse.urljoin(base, "303/redirect-to-header-reflector.cgi")
        headers = {"authorization": "Bearer foo"}
        response, content = self.http.request(uri, "GET", body=" ", headers=headers)
        # self.assertTrue('authorization' not in content)
        self.http.follow_all_redirects = True
        self.http.forward_authorization_headers = True
        response, content = self.http.request(uri, "GET", body=" ", headers=headers)
        # Oh, how I wish Apache didn't eat the Authorization header.
        # self.assertTrue('authorization' in content)

    def testGet304(self):
        # Test that we use ETags properly to validate our cache
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertNotEqual(response["etag"], "")

        (response, content) = self.http.request(uri, "GET")
        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "must-revalidate"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)

        cache_file_name = os.path.join(
            cacheDirName, httplib2.safename(httplib2.urlnorm(uri)[-1])
        )
        f = open(cache_file_name, "r")
        status_line = f.readline()
        f.close()

        self.assertTrue(status_line.startswith("status:"))

        (response, content) = self.http.request(uri, "HEAD")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)

        (response, content) = self.http.request(
            uri, "GET", headers={"range": "bytes=0-0"}
        )
        self.assertEqual(response.status, 206)
        self.assertEqual(response.fromcache, False)

    def testGetIgnoreEtag(self):
        # Test that we can forcibly ignore ETags
        uri = urlparse.urljoin(base, "reflector/reflector.cgi")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertNotEqual(response["etag"], "")

        (response, content) = self.http.request(
            uri,
            "GET",
            headers={"accept-encoding": "identity", "cache-control": "max-age=0"},
        )
        d = self.reflector(content)
        self.assertTrue("HTTP_IF_NONE_MATCH" in d)

        self.http.ignore_etag = True
        (response, content) = self.http.request(
            uri,
            "GET",
            headers={"accept-encoding": "identity", "cache-control": "max-age=0"},
        )
        d = self.reflector(content)
        self.assertEqual(response.fromcache, False)
        self.assertFalse("HTTP_IF_NONE_MATCH" in d)

    def testOverrideEtag(self):
        # Test that we can forcibly ignore ETags
        uri = urlparse.urljoin(base, "reflector/reflector.cgi")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertNotEqual(response["etag"], "")

        (response, content) = self.http.request(
            uri,
            "GET",
            headers={"accept-encoding": "identity", "cache-control": "max-age=0"},
        )
        d = self.reflector(content)
        self.assertTrue("HTTP_IF_NONE_MATCH" in d)
        self.assertNotEqual(d["HTTP_IF_NONE_MATCH"], "fred")

        (response, content) = self.http.request(
            uri,
            "GET",
            headers={
                "accept-encoding": "identity",
                "cache-control": "max-age=0",
                "if-none-match": "fred",
            },
        )
        d = self.reflector(content)
        self.assertTrue("HTTP_IF_NONE_MATCH" in d)
        self.assertEqual(d["HTTP_IF_NONE_MATCH"], "fred")

    # MAP-commented this out because it consistently fails
    #    def testGet304EndToEnd(self):
    #       # Test that end to end headers get overwritten in the cache
    #        uri = urlparse.urljoin(base, "304/end2end.cgi")
    #        (response, content) = self.http.request(uri, "GET")
    #        self.assertNotEqual(response['etag'], "")
    #        old_date = response['date']
    #        time.sleep(2)
    #
    #        (response, content) = self.http.request(uri, "GET", headers = {'Cache-Control': 'max-age=0'})
    #        # The response should be from the cache, but the Date: header should be updated.
    #        new_date = response['date']
    #        self.assertNotEqual(new_date, old_date)
    #        self.assertEqual(response.status, 200)
    #        self.assertEqual(response.fromcache, True)

    def testGet304LastModified(self):
        # Test that we can still handle a 304
        # by only using the last-modified cache validator.
        uri = urlparse.urljoin(base, "304/last-modified-only/last-modified-only.txt")
        (response, content) = self.http.request(uri, "GET")

        self.assertNotEqual(response["last-modified"], "")
        (response, content) = self.http.request(uri, "GET")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)

    def testGet307(self):
        # Test that we do follow 307 redirects but
        # do not cache the 307
        uri = urlparse.urljoin(base, "307/onestep.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 307)
        self.assertEqual(response.previous.fromcache, False)

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        self.assertEqual(content, "This is the final destination.\n")
        self.assertEqual(response.previous.status, 307)
        self.assertEqual(response.previous.fromcache, False)

    def testGet410(self):
        # Test that we pass 410's through
        uri = urlparse.urljoin(base, "410/410.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 410)

    def testVaryHeaderSimple(self):
        """RFC 2616 13.6 When the cache receives a subsequent request whose Request-URI specifies one or more cache entries including a Vary header field, the cache MUST NOT use such a cache entry to construct a response to the new request unless all of the selecting request-headers present in the new request match the corresponding stored request-headers in the original request.

        """
        # test that the vary header is sent
        uri = urlparse.urljoin(base, "vary/accept.asis")
        (response, content) = self.http.request(
            uri, "GET", headers={"Accept": "text/plain"}
        )
        self.assertEqual(response.status, 200)
        self.assertTrue("vary" in response)

        # get the resource again, from the cache since accept header in this
        # request is the same as the request
        (response, content) = self.http.request(
            uri, "GET", headers={"Accept": "text/plain"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True, msg="Should be from cache")

        # get the resource again, not from cache since Accept headers does not match
        (response, content) = self.http.request(
            uri, "GET", headers={"Accept": "text/html"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False, msg="Should not be from cache")

        # get the resource again, without any Accept header, so again no match
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False, msg="Should not be from cache")

    def testNoVary(self):
        pass
        # when there is no vary, a different Accept header (e.g.) should not
        # impact if the cache is used
        # test that the vary header is not sent
        # uri = urlparse.urljoin(base, "vary/no-vary.asis")
        # (response, content) = self.http.request(uri, "GET", headers={'Accept': 'text/plain'})
        # self.assertEqual(response.status, 200)
        # self.assertFalse(response.has_key('vary'))

        # (response, content) = self.http.request(uri, "GET", headers={'Accept': 'text/plain'})
        # self.assertEqual(response.status, 200)
        # self.assertEqual(response.fromcache, True, msg="Should be from cache")
        #
        # (response, content) = self.http.request(uri, "GET", headers={'Accept': 'text/html'})
        # self.assertEqual(response.status, 200)
        # self.assertEqual(response.fromcache, True, msg="Should be from cache")

    def testVaryHeaderDouble(self):
        uri = urlparse.urljoin(base, "vary/accept-double.asis")
        (response, content) = self.http.request(
            uri,
            "GET",
            headers={
                "Accept": "text/plain",
                "Accept-Language": "da, en-gb;q=0.8, en;q=0.7",
            },
        )
        self.assertEqual(response.status, 200)
        self.assertTrue("vary" in response)

        # we are from cache
        (response, content) = self.http.request(
            uri,
            "GET",
            headers={
                "Accept": "text/plain",
                "Accept-Language": "da, en-gb;q=0.8, en;q=0.7",
            },
        )
        self.assertEqual(response.fromcache, True, msg="Should be from cache")

        (response, content) = self.http.request(
            uri, "GET", headers={"Accept": "text/plain"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

        # get the resource again, not from cache, varied headers don't match exact
        (response, content) = self.http.request(
            uri, "GET", headers={"Accept-Language": "da"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False, msg="Should not be from cache")

    def testVaryUnusedHeader(self):
        # A header's value is not considered to vary if it's not used at all.
        uri = urlparse.urljoin(base, "vary/unused-header.asis")
        (response, content) = self.http.request(
            uri, "GET", headers={"Accept": "text/plain"}
        )
        self.assertEqual(response.status, 200)
        self.assertTrue("vary" in response)

        # we are from cache
        (response, content) = self.http.request(
            uri, "GET", headers={"Accept": "text/plain"}
        )
        self.assertEqual(response.fromcache, True, msg="Should be from cache")

    def testHeadGZip(self):
        # Test that we don't try to decompress a HEAD response
        uri = urlparse.urljoin(base, "gzip/final-destination.txt")
        (response, content) = self.http.request(uri, "HEAD")
        self.assertEqual(response.status, 200)
        self.assertNotEqual(int(response["content-length"]), 0)
        self.assertEqual(content, "")

    def testGetGZip(self):
        # Test that we support gzip compression
        uri = urlparse.urljoin(base, "gzip/final-destination.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertFalse("content-encoding" in response)
        self.assertTrue("-content-encoding" in response)
        self.assertEqual(
            int(response["content-length"]), len("This is the final destination.\n")
        )
        self.assertEqual(content, "This is the final destination.\n")

    def testPostAndGZipResponse(self):
        uri = urlparse.urljoin(base, "gzip/post.cgi")
        (response, content) = self.http.request(uri, "POST", body=" ")
        self.assertEqual(response.status, 200)
        self.assertFalse("content-encoding" in response)
        self.assertTrue("-content-encoding" in response)

    def testGetGZipFailure(self):
        # Test that we raise a good exception when the gzip fails
        self.http.force_exception_to_status_code = False
        uri = urlparse.urljoin(base, "gzip/failed-compression.asis")
        try:
            (response, content) = self.http.request(uri, "GET")
            self.fail("Should never reach here")
        except httplib2.FailedToDecompressContent:
            pass
        except Exception:
            self.fail("Threw wrong kind of exception")

        # Re-run the test with out the exceptions
        self.http.force_exception_to_status_code = True

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 500)
        self.assertTrue(response.reason.startswith("Content purported"))

    def testTimeout(self):
        self.http.force_exception_to_status_code = True
        uri = urlparse.urljoin(base, "timeout/timeout.cgi")
        try:
            import socket

            socket.setdefaulttimeout(1)
        except:
            # Don't run the test if we can't set the timeout
            return
        (response, content) = self.http.request(uri)
        self.assertEqual(response.status, 408)
        self.assertTrue(response.reason.startswith("Request Timeout"))
        self.assertTrue(content.startswith("Request Timeout"))

    def testIndividualTimeout(self):
        uri = urlparse.urljoin(base, "timeout/timeout.cgi")
        http = httplib2.Http(timeout=1)
        http.force_exception_to_status_code = True

        (response, content) = http.request(uri)
        self.assertEqual(response.status, 408)
        self.assertTrue(response.reason.startswith("Request Timeout"))
        self.assertTrue(content.startswith("Request Timeout"))

    def testHTTPSInitTimeout(self):
        c = httplib2.HTTPSConnectionWithTimeout("localhost", 80, timeout=47)
        self.assertEqual(47, c.timeout)

    def testGetDeflate(self):
        # Test that we support deflate compression
        uri = urlparse.urljoin(base, "deflate/deflated.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertFalse("content-encoding" in response)
        self.assertEqual(
            int(response["content-length"]), len("This is the final destination.")
        )
        self.assertEqual(content, "This is the final destination.")

    def testGetDeflateFailure(self):
        # Test that we raise a good exception when the deflate fails
        self.http.force_exception_to_status_code = False

        uri = urlparse.urljoin(base, "deflate/failed-compression.asis")
        try:
            (response, content) = self.http.request(uri, "GET")
            self.fail("Should never reach here")
        except httplib2.FailedToDecompressContent:
            pass
        except Exception:
            self.fail("Threw wrong kind of exception")

        # Re-run the test with out the exceptions
        self.http.force_exception_to_status_code = True

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 500)
        self.assertTrue(response.reason.startswith("Content purported"))

    def testGetDuplicateHeaders(self):
        # Test that duplicate headers get concatenated via ','
        uri = urlparse.urljoin(base, "duplicate-headers/multilink.asis")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(content, "This is content\n")
        self.assertEqual(
            response["link"].split(",")[0],
            '<http://bitworking.org>; rel="home"; title="BitWorking"',
        )

    def testGetCacheControlNoCache(self):
        # Test Cache-Control: no-cache on requests
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertNotEqual(response["etag"], "")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)

        (response, content) = self.http.request(
            uri,
            "GET",
            headers={"accept-encoding": "identity", "Cache-Control": "no-cache"},
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

    def testGetCacheControlPragmaNoCache(self):
        # Test Pragma: no-cache on requests
        uri = urlparse.urljoin(base, "304/test_etag.txt")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertNotEqual(response["etag"], "")
        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)

        (response, content) = self.http.request(
            uri, "GET", headers={"accept-encoding": "identity", "Pragma": "no-cache"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

    def testGetCacheControlNoStoreRequest(self):
        # A no-store request means that the response should not be stored.
        uri = urlparse.urljoin(base, "304/test_etag.txt")

        (response, content) = self.http.request(
            uri, "GET", headers={"Cache-Control": "no-store"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

        (response, content) = self.http.request(
            uri, "GET", headers={"Cache-Control": "no-store"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

    def testGetCacheControlNoStoreResponse(self):
        # A no-store response means that the response should not be stored.
        uri = urlparse.urljoin(base, "no-store/no-store.asis")

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

    def testGetCacheControlNoCacheNoStoreRequest(self):
        # Test that a no-store, no-cache clears the entry from the cache
        # even if it was cached previously.
        uri = urlparse.urljoin(base, "304/test_etag.txt")

        (response, content) = self.http.request(uri, "GET")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.fromcache, True)
        (response, content) = self.http.request(
            uri, "GET", headers={"Cache-Control": "no-store, no-cache"}
        )
        (response, content) = self.http.request(
            uri, "GET", headers={"Cache-Control": "no-store, no-cache"}
        )
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)

    def testUpdateInvalidatesCache(self):
        # Test that calling PUT or DELETE on a
        # URI that is cache invalidates that cache.
        uri = urlparse.urljoin(base, "304/test_etag.txt")

        (response, content) = self.http.request(uri, "GET")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.fromcache, True)
        (response, content) = self.http.request(uri, "DELETE")
        self.assertEqual(response.status, 405)

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.fromcache, False)

    def testUpdateUsesCachedETag(self):
        # Test that we natively support http://www.w3.org/1999/04/Editing/
        uri = urlparse.urljoin(base, "conditional-updates/test.cgi")

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        (response, content) = self.http.request(uri, "PUT", body="foo")
        self.assertEqual(response.status, 200)
        (response, content) = self.http.request(uri, "PUT", body="foo")
        self.assertEqual(response.status, 412)

    def testUpdatePatchUsesCachedETag(self):
        # Test that we natively support http://www.w3.org/1999/04/Editing/
        uri = urlparse.urljoin(base, "conditional-updates/test.cgi")

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        (response, content) = self.http.request(uri, "PATCH", body="foo")
        self.assertEqual(response.status, 200)
        (response, content) = self.http.request(uri, "PATCH", body="foo")
        self.assertEqual(response.status, 412)

    def testUpdateUsesCachedETagAndOCMethod(self):
        # Test that we natively support http://www.w3.org/1999/04/Editing/
        uri = urlparse.urljoin(base, "conditional-updates/test.cgi")

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        self.http.optimistic_concurrency_methods.append("DELETE")
        (response, content) = self.http.request(uri, "DELETE")
        self.assertEqual(response.status, 200)

    def testUpdateUsesCachedETagOverridden(self):
        # Test that we natively support http://www.w3.org/1999/04/Editing/
        uri = urlparse.urljoin(base, "conditional-updates/test.cgi")

        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, False)
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)
        self.assertEqual(response.fromcache, True)
        (response, content) = self.http.request(
            uri, "PUT", body="foo", headers={"if-match": "fred"}
        )
        self.assertEqual(response.status, 412)

    def testBasicAuth(self):
        # Test Basic Authentication
        uri = urlparse.urljoin(base, "basic/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        uri = urlparse.urljoin(base, "basic/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        self.http.add_credentials("joe", "password")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

        uri = urlparse.urljoin(base, "basic/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

    def testBasicAuthWithDomain(self):
        # Test Basic Authentication
        uri = urlparse.urljoin(base, "basic/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        uri = urlparse.urljoin(base, "basic/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        self.http.add_credentials("joe", "password", "example.org")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        uri = urlparse.urljoin(base, "basic/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        domain = urlparse.urlparse(base)[1]
        self.http.add_credentials("joe", "password", domain)
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

        uri = urlparse.urljoin(base, "basic/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

    def testBasicAuthTwoDifferentCredentials(self):
        # Test Basic Authentication with multiple sets of credentials
        uri = urlparse.urljoin(base, "basic2/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        uri = urlparse.urljoin(base, "basic2/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        self.http.add_credentials("fred", "barney")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

        uri = urlparse.urljoin(base, "basic2/file.txt")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

    def testBasicAuthNested(self):
        # Test Basic Authentication with resources
        # that are nested
        uri = urlparse.urljoin(base, "basic-nested/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        uri = urlparse.urljoin(base, "basic-nested/subdir")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        # Now add in credentials one at a time and test.
        self.http.add_credentials("joe", "password")

        uri = urlparse.urljoin(base, "basic-nested/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

        uri = urlparse.urljoin(base, "basic-nested/subdir")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        self.http.add_credentials("fred", "barney")

        uri = urlparse.urljoin(base, "basic-nested/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

        uri = urlparse.urljoin(base, "basic-nested/subdir")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

    def testDigestAuth(self):
        # Test that we support Digest Authentication
        uri = urlparse.urljoin(base, "digest/")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 401)

        self.http.add_credentials("joe", "password")
        (response, content) = self.http.request(uri, "GET")
        self.assertEqual(response.status, 200)

        uri = urlparse.urljoin(base, "digest/file.txt")
        (response, content) = self.http.request(uri, "GET")

    def testDigestAuthNextNonceAndNC(self):
        # Test that if the server sets nextnonce that we reset
        # the nonce count back to 1
        uri = urlparse.urljoin(base, "digest/file.txt")
        self.http.add_credentials("joe", "password")
        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "no-cache"}
        )
        info = httplib2._parse_www_authenticate(response, "authentication-info")
        self.assertEqual(response.status, 200)
        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "no-cache"}
        )
        info2 = httplib2._parse_www_authenticate(response, "authentication-info")
        self.assertEqual(response.status, 200)

        if "nextnonce" in info:
            self.assertEqual(info2["nc"], 1)

    def testDigestAuthStale(self):
        # Test that we can handle a nonce becoming stale
        uri = urlparse.urljoin(base, "digest-expire/file.txt")
        self.http.add_credentials("joe", "password")
        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "no-cache"}
        )
        info = httplib2._parse_www_authenticate(response, "authentication-info")
        self.assertEqual(response.status, 200)

        time.sleep(3)
        # Sleep long enough that the nonce becomes stale

        (response, content) = self.http.request(
            uri, "GET", headers={"cache-control": "no-cache"}
        )
        self.assertFalse(response.fromcache)
        self.assertTrue(response._stale_digest)
        info3 = httplib2._parse_www_authenticate(response, "authentication-info")
        self.assertEqual(response.status, 200)

    def reflector(self, content):
        return dict([tuple(x.split("=", 1)) for x in content.strip().split("\n")])

    def testReflector(self):
        uri = urlparse.urljoin(base, "reflector/reflector.cgi")
        (response, content) = self.http.request(uri, "GET")
        d = self.reflector(content)
        self.assertTrue("HTTP_USER_AGENT" in d)

    def testConnectionClose(self):
        uri = "http://www.google.com/"
        (response, content) = self.http.request(uri, "GET")
        for c in self.http.connections.values():
            self.assertNotEqual(None, c.sock)
        (response, content) = self.http.request(
            uri, "GET", headers={"connection": "close"}
        )
        for c in self.http.connections.values():
            self.assertEqual(None, c.sock)

    def testPickleHttp(self):
        pickled_http = pickle.dumps(self.http)
        new_http = pickle.loads(pickled_http)

        self.assertEqual(
            sorted(new_http.__dict__.keys()), sorted(self.http.__dict__.keys())
        )
        for key in new_http.__dict__:
            if key in ("certificates", "credentials"):
                self.assertEqual(
                    new_http.__dict__[key].credentials,
                    self.http.__dict__[key].credentials,
                )
            elif key == "cache":
                self.assertEqual(
                    new_http.__dict__[key].cache, self.http.__dict__[key].cache
                )
            else:
                self.assertEqual(new_http.__dict__[key], self.http.__dict__[key])

    def testPickleHttpWithConnection(self):
        self.http.request("http://bitworking.org", connection_type=_MyHTTPConnection)
        pickled_http = pickle.dumps(self.http)
        new_http = pickle.loads(pickled_http)

        self.assertEqual(self.http.connections.keys(), ["http:bitworking.org"])
        self.assertEqual(new_http.connections, {})

    def testPickleCustomRequestHttp(self):
        def dummy_request(*args, **kwargs):
            return new_request(*args, **kwargs)

        dummy_request.dummy_attr = "dummy_value"

        self.http.request = dummy_request
        pickled_http = pickle.dumps(self.http)
        self.assertFalse("S'request'" in pickled_http)


try:
    import memcache

    class HttpTestMemCached(HttpTest):
        def setUp(self):
            self.cache = memcache.Client(["127.0.0.1:11211"], debug=0)
            # self.cache = memcache.Client(['10.0.0.4:11211'], debug=1)
            self.http = httplib2.Http(self.cache)
            self.cache.flush_all()
            # Not exactly sure why the sleep is needed here, but
            # if not present then some unit tests that rely on caching
            # fail. Memcached seems to lose some sets immediately
            # after a flush_all if the set is to a value that
            # was previously cached. (Maybe the flush is handled async?)
            time.sleep(1)
            self.http.clear_credentials()


except:
    pass

# ------------------------------------------------------------------------


class HttpPrivateTest(unittest.TestCase):
    def testParseCacheControl(self):
        # Test that we can parse the Cache-Control header
        self.assertEqual({}, httplib2._parse_cache_control({}))
        self.assertEqual(
            {"no-cache": 1},
            httplib2._parse_cache_control({"cache-control": " no-cache"}),
        )
        cc = httplib2._parse_cache_control(
            {"cache-control": " no-cache, max-age = 7200"}
        )
        self.assertEqual(cc["no-cache"], 1)
        self.assertEqual(cc["max-age"], "7200")
        cc = httplib2._parse_cache_control({"cache-control": " , "})
        self.assertEqual(cc[""], 1)

        try:
            cc = httplib2._parse_cache_control(
                {"cache-control": "Max-age=3600;post-check=1800,pre-check=3600"}
            )
            self.assertTrue("max-age" in cc)
        except:
            self.fail("Should not throw exception")

    def testNormalizeHeaders(self):
        # Test that we normalize headers to lowercase
        h = httplib2._normalize_headers({"Cache-Control": "no-cache", "Other": "Stuff"})
        self.assertTrue("cache-control" in h)
        self.assertTrue("other" in h)
        self.assertEqual("Stuff", h["other"])

    def testExpirationModelTransparent(self):
        # Test that no-cache makes our request TRANSPARENT
        response_headers = {"cache-control": "max-age=7200"}
        request_headers = {"cache-control": "no-cache"}
        self.assertEqual(
            "TRANSPARENT",
            httplib2._entry_disposition(response_headers, request_headers),
        )

    def testMaxAgeNonNumeric(self):
        # Test that no-cache makes our request TRANSPARENT
        response_headers = {"cache-control": "max-age=fred, min-fresh=barney"}
        request_headers = {}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelNoCacheResponse(self):
        # The date and expires point to an entry that should be
        # FRESH, but the no-cache over-rides that.
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now)),
            "expires": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now + 4)),
            "cache-control": "no-cache",
        }
        request_headers = {}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelStaleRequestMustReval(self):
        # must-revalidate forces STALE
        self.assertEqual(
            "STALE",
            httplib2._entry_disposition({}, {"cache-control": "must-revalidate"}),
        )

    def testExpirationModelStaleResponseMustReval(self):
        # must-revalidate forces STALE
        self.assertEqual(
            "STALE",
            httplib2._entry_disposition({"cache-control": "must-revalidate"}, {}),
        )

    def testExpirationModelFresh(self):
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime()),
            "cache-control": "max-age=2",
        }
        request_headers = {}
        self.assertEqual(
            "FRESH", httplib2._entry_disposition(response_headers, request_headers)
        )
        time.sleep(3)
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationMaxAge0(self):
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime()),
            "cache-control": "max-age=0",
        }
        request_headers = {}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelDateAndExpires(self):
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now)),
            "expires": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now + 2)),
        }
        request_headers = {}
        self.assertEqual(
            "FRESH", httplib2._entry_disposition(response_headers, request_headers)
        )
        time.sleep(3)
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpiresZero(self):
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now)),
            "expires": "0",
        }
        request_headers = {}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelDateOnly(self):
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now + 3))
        }
        request_headers = {}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelOnlyIfCached(self):
        response_headers = {}
        request_headers = {"cache-control": "only-if-cached"}
        self.assertEqual(
            "FRESH", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelMaxAgeBoth(self):
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now)),
            "cache-control": "max-age=2",
        }
        request_headers = {"cache-control": "max-age=0"}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelDateAndExpiresMinFresh1(self):
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now)),
            "expires": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now + 2)),
        }
        request_headers = {"cache-control": "min-fresh=2"}
        self.assertEqual(
            "STALE", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testExpirationModelDateAndExpiresMinFresh2(self):
        now = time.time()
        response_headers = {
            "date": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now)),
            "expires": time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(now + 4)),
        }
        request_headers = {"cache-control": "min-fresh=2"}
        self.assertEqual(
            "FRESH", httplib2._entry_disposition(response_headers, request_headers)
        )

    def testParseWWWAuthenticateEmpty(self):
        res = httplib2._parse_www_authenticate({})
        self.assertEqual(len(res.keys()), 0)

    def testParseWWWAuthenticate(self):
        # different uses of spaces around commas
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Test realm="test realm" , foo=foo ,bar="bar", baz=baz,qux=qux'
            }
        )
        self.assertEqual(len(res.keys()), 1)
        self.assertEqual(len(res["test"].keys()), 5)

        # tokens with non-alphanum
        res = httplib2._parse_www_authenticate(
            {"www-authenticate": 'T*!%#st realm=to*!%#en, to*!%#en="quoted string"'}
        )
        self.assertEqual(len(res.keys()), 1)
        self.assertEqual(len(res["t*!%#st"].keys()), 2)

        # quoted string with quoted pairs
        res = httplib2._parse_www_authenticate(
            {"www-authenticate": 'Test realm="a \\"test\\" realm"'}
        )
        self.assertEqual(len(res.keys()), 1)
        self.assertEqual(res["test"]["realm"], 'a "test" realm')

    def testParseWWWAuthenticateStrict(self):
        httplib2.USE_WWW_AUTH_STRICT_PARSING = 1
        self.testParseWWWAuthenticate()
        httplib2.USE_WWW_AUTH_STRICT_PARSING = 0

    def testParseWWWAuthenticateBasic(self):
        res = httplib2._parse_www_authenticate({"www-authenticate": 'Basic realm="me"'})
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])

        res = httplib2._parse_www_authenticate(
            {"www-authenticate": 'Basic realm="me", algorithm="MD5"'}
        )
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])
        self.assertEqual("MD5", basic["algorithm"])

        res = httplib2._parse_www_authenticate(
            {"www-authenticate": 'Basic realm="me", algorithm=MD5'}
        )
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])
        self.assertEqual("MD5", basic["algorithm"])

    def testParseWWWAuthenticateBasic2(self):
        res = httplib2._parse_www_authenticate(
            {"www-authenticate": 'Basic realm="me",other="fred" '}
        )
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])
        self.assertEqual("fred", basic["other"])

    def testParseWWWAuthenticateBasic3(self):
        res = httplib2._parse_www_authenticate(
            {"www-authenticate": 'Basic REAlm="me" '}
        )
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])

    def testParseWWWAuthenticateDigest(self):
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Digest realm="testrealm@host.com", qop="auth,auth-int", nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", opaque="5ccc069c403ebaf9f0171e9517f40e41"'
            }
        )
        digest = res["digest"]
        self.assertEqual("testrealm@host.com", digest["realm"])
        self.assertEqual("auth,auth-int", digest["qop"])

    def testParseWWWAuthenticateMultiple(self):
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Digest realm="testrealm@host.com", qop="auth,auth-int", nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", opaque="5ccc069c403ebaf9f0171e9517f40e41" Basic REAlm="me" '
            }
        )
        digest = res["digest"]
        self.assertEqual("testrealm@host.com", digest["realm"])
        self.assertEqual("auth,auth-int", digest["qop"])
        self.assertEqual("dcd98b7102dd2f0e8b11d0f600bfb0c093", digest["nonce"])
        self.assertEqual("5ccc069c403ebaf9f0171e9517f40e41", digest["opaque"])
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])

    def testParseWWWAuthenticateMultiple2(self):
        # Handle an added comma between challenges, which might get thrown in if the challenges were
        # originally sent in separate www-authenticate headers.
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Digest realm="testrealm@host.com", qop="auth,auth-int", nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", opaque="5ccc069c403ebaf9f0171e9517f40e41", Basic REAlm="me" '
            }
        )
        digest = res["digest"]
        self.assertEqual("testrealm@host.com", digest["realm"])
        self.assertEqual("auth,auth-int", digest["qop"])
        self.assertEqual("dcd98b7102dd2f0e8b11d0f600bfb0c093", digest["nonce"])
        self.assertEqual("5ccc069c403ebaf9f0171e9517f40e41", digest["opaque"])
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])

    def testParseWWWAuthenticateMultiple3(self):
        # Handle an added comma between challenges, which might get thrown in if the challenges were
        # originally sent in separate www-authenticate headers.
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Digest realm="testrealm@host.com", qop="auth,auth-int", nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", opaque="5ccc069c403ebaf9f0171e9517f40e41", Basic REAlm="me", WSSE realm="foo", profile="UsernameToken"'
            }
        )
        digest = res["digest"]
        self.assertEqual("testrealm@host.com", digest["realm"])
        self.assertEqual("auth,auth-int", digest["qop"])
        self.assertEqual("dcd98b7102dd2f0e8b11d0f600bfb0c093", digest["nonce"])
        self.assertEqual("5ccc069c403ebaf9f0171e9517f40e41", digest["opaque"])
        basic = res["basic"]
        self.assertEqual("me", basic["realm"])
        wsse = res["wsse"]
        self.assertEqual("foo", wsse["realm"])
        self.assertEqual("UsernameToken", wsse["profile"])

    def testParseWWWAuthenticateMultiple4(self):
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Digest realm="test-real.m@host.com", qop \t=\t"\tauth,auth-int", nonce="(*)&^&$%#",opaque="5ccc069c403ebaf9f0171e9517f40e41", Basic REAlm="me", WSSE realm="foo", profile="UsernameToken"'
            }
        )
        digest = res["digest"]
        self.assertEqual("test-real.m@host.com", digest["realm"])
        self.assertEqual("\tauth,auth-int", digest["qop"])
        self.assertEqual("(*)&^&$%#", digest["nonce"])

    def testParseWWWAuthenticateMoreQuoteCombos(self):
        res = httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'Digest realm="myrealm", nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306", algorithm=MD5, qop="auth", stale=true'
            }
        )
        digest = res["digest"]
        self.assertEqual("myrealm", digest["realm"])

    def testParseWWWAuthenticateMalformed(self):
        try:
            res = httplib2._parse_www_authenticate(
                {
                    "www-authenticate": 'OAuth "Facebook Platform" "invalid_token" "Invalid OAuth access token."'
                }
            )
            self.fail("should raise an exception")
        except httplib2.MalformedHeader:
            pass

    def testDigestObject(self):
        credentials = ("joe", "password")
        host = None
        request_uri = "/projects/httplib2/test/digest/"
        headers = {}
        response = {
            "www-authenticate": 'Digest realm="myrealm", '
            'nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306", '
            'algorithm=MD5, qop="auth"'
        }
        content = ""

        d = httplib2.DigestAuthentication(
            credentials, host, request_uri, headers, response, content, None
        )
        d.request("GET", request_uri, headers, content, cnonce="33033375ec278a46")
        our_request = "authorization: %s" % headers["authorization"]
        working_request = (
            'authorization: Digest username="joe", realm="myrealm", '
            'nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306",'
            ' uri="/projects/httplib2/test/digest/", algorithm=MD5, '
            'response="97ed129401f7cdc60e5db58a80f3ea8b", qop=auth, '
            'nc=00000001, cnonce="33033375ec278a46"'
        )
        self.assertEqual(our_request, working_request)

    def testDigestObjectWithOpaque(self):
        credentials = ("joe", "password")
        host = None
        request_uri = "/projects/httplib2/test/digest/"
        headers = {}
        response = {
            "www-authenticate": 'Digest realm="myrealm", '
            'nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306", '
            'algorithm=MD5, qop="auth", opaque="atestopaque"'
        }
        content = ""

        d = httplib2.DigestAuthentication(
            credentials, host, request_uri, headers, response, content, None
        )
        d.request("GET", request_uri, headers, content, cnonce="33033375ec278a46")
        our_request = "authorization: %s" % headers["authorization"]
        working_request = (
            'authorization: Digest username="joe", realm="myrealm", '
            'nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306",'
            ' uri="/projects/httplib2/test/digest/", algorithm=MD5, '
            'response="97ed129401f7cdc60e5db58a80f3ea8b", qop=auth, '
            'nc=00000001, cnonce="33033375ec278a46", '
            'opaque="atestopaque"'
        )
        self.assertEqual(our_request, working_request)

    def testDigestObjectStale(self):
        credentials = ("joe", "password")
        host = None
        request_uri = "/projects/httplib2/test/digest/"
        headers = {}
        response = httplib2.Response({})
        response["www-authenticate"] = (
            'Digest realm="myrealm", '
            'nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306",'
            ' algorithm=MD5, qop="auth", stale=true'
        )
        response.status = 401
        content = ""
        d = httplib2.DigestAuthentication(
            credentials, host, request_uri, headers, response, content, None
        )
        # Returns true to force a retry
        self.assertTrue(d.response(response, content))

    def testDigestObjectAuthInfo(self):
        credentials = ("joe", "password")
        host = None
        request_uri = "/projects/httplib2/test/digest/"
        headers = {}
        response = httplib2.Response({})
        response["www-authenticate"] = (
            'Digest realm="myrealm", '
            'nonce="Ygk86AsKBAA=3516200d37f9a3230352fde99977bd6d472d4306",'
            ' algorithm=MD5, qop="auth", stale=true'
        )
        response["authentication-info"] = 'nextnonce="fred"'
        content = ""
        d = httplib2.DigestAuthentication(
            credentials, host, request_uri, headers, response, content, None
        )
        # Returns true to force a retry
        self.assertFalse(d.response(response, content))
        self.assertEqual("fred", d.challenge["nonce"])
        self.assertEqual(1, d.challenge["nc"])

    def testWsseAlgorithm(self):
        digest = httplib2._wsse_username_token(
            "d36e316282959a9ed4c89851497a717f", "2003-12-15T14:43:07Z", "taadtaadpstcsm"
        )
        expected = "quR/EWLAV4xLf9Zqyw4pDmfV9OY="
        self.assertEqual(expected, digest)

    def testEnd2End(self):
        # one end to end header
        response = {"content-type": "application/atom+xml", "te": "deflate"}
        end2end = httplib2._get_end2end_headers(response)
        self.assertTrue("content-type" in end2end)
        self.assertTrue("te" not in end2end)
        self.assertTrue("connection" not in end2end)

        # one end to end header that gets eliminated
        response = {
            "connection": "content-type",
            "content-type": "application/atom+xml",
            "te": "deflate",
        }
        end2end = httplib2._get_end2end_headers(response)
        self.assertTrue("content-type" not in end2end)
        self.assertTrue("te" not in end2end)
        self.assertTrue("connection" not in end2end)

        # Degenerate case of no headers
        response = {}
        end2end = httplib2._get_end2end_headers(response)
        self.assertEquals(0, len(end2end))

        # Degenerate case of connection referrring to a header not passed in
        response = {"connection": "content-type"}
        end2end = httplib2._get_end2end_headers(response)
        self.assertEquals(0, len(end2end))


class TestProxyInfo(unittest.TestCase):
    def setUp(self):
        self.orig_env = dict(os.environ)

    def tearDown(self):
        os.environ.clear()
        os.environ.update(self.orig_env)

    def test_from_url(self):
        pi = httplib2.proxy_info_from_url("http://myproxy.example.com")
        self.assertEquals(pi.proxy_host, "myproxy.example.com")
        self.assertEquals(pi.proxy_port, 80)
        self.assertEquals(pi.proxy_user, None)

    def test_from_url_ident(self):
        pi = httplib2.proxy_info_from_url("http://zoidberg:fish@someproxy:99")
        self.assertEquals(pi.proxy_host, "someproxy")
        self.assertEquals(pi.proxy_port, 99)
        self.assertEquals(pi.proxy_user, "zoidberg")
        self.assertEquals(pi.proxy_pass, "fish")

    def test_from_env(self):
        os.environ["http_proxy"] = "http://myproxy.example.com:8080"
        pi = httplib2.proxy_info_from_environment()
        self.assertEquals(pi.proxy_host, "myproxy.example.com")
        self.assertEquals(pi.proxy_port, 8080)
        self.assertEquals(pi.bypass_hosts, [])

    def test_from_env_no_proxy(self):
        os.environ["http_proxy"] = "http://myproxy.example.com:80"
        os.environ["https_proxy"] = "http://myproxy.example.com:81"
        os.environ["no_proxy"] = "localhost,otherhost.domain.local"
        pi = httplib2.proxy_info_from_environment("https")
        self.assertEquals(pi.proxy_host, "myproxy.example.com")
        self.assertEquals(pi.proxy_port, 81)
        self.assertEquals(pi.bypass_hosts, ["localhost", "otherhost.domain.local"])

    def test_from_env_none(self):
        os.environ.clear()
        pi = httplib2.proxy_info_from_environment()
        self.assertEquals(pi, None)

    def test_applies_to(self):
        os.environ["http_proxy"] = "http://myproxy.example.com:80"
        os.environ["https_proxy"] = "http://myproxy.example.com:81"
        os.environ["no_proxy"] = "localhost,otherhost.domain.local,example.com"
        pi = httplib2.proxy_info_from_environment()
        self.assertFalse(pi.applies_to("localhost"))
        self.assertTrue(pi.applies_to("www.google.com"))
        self.assertFalse(pi.applies_to("www.example.com"))

    def test_no_proxy_star(self):
        os.environ["http_proxy"] = "http://myproxy.example.com:80"
        os.environ["NO_PROXY"] = "*"
        pi = httplib2.proxy_info_from_environment()
        for host in ("localhost", "169.254.38.192", "www.google.com"):
            self.assertFalse(pi.applies_to(host))

    def test_proxy_headers(self):
        headers = {"key0": "val0", "key1": "val1"}
        pi = httplib2.ProxyInfo(
            httplib2.socks.PROXY_TYPE_HTTP, "localhost", 1234, proxy_headers=headers
        )
        self.assertEquals(pi.proxy_headers, headers)


if __name__ == "__main__":
    unittest.main()