[catapult] - Copy Telemetry's gsutilz over to third_party.

third_party/gsutil/third_party/httplib2/python2/httplib2test.py

Index: third_party/gsutil/third_party/httplib2/python2/httplib2test.py
diff --git a/third_party/gsutil/third_party/httplib2/python2/httplib2test.py b/third_party/gsutil/third_party/httplib2/python2/httplib2test.py
new file mode 100755
index 0000000000000000000000000000000000000000..3802879a53864a82727bf8feefa025340fd574e5
--- /dev/null
+++ b/third_party/gsutil/third_party/httplib2/python2/httplib2test.py
@@ -0,0 +1,1675 @@
+#!/usr/bin/env python2.4
+"""
+httplib2test
+
+A set of unit tests for httplib2.py.
+
+Requires Python 2.4 or later
+"""
+
+__author__ = "Joe Gregorio (joe@bitworking.org)"
+__copyright__ = "Copyright 2006, Joe Gregorio"
+__contributors__ = []
+__license__ = "MIT"
+__history__ = """ """
+__version__ = "0.1 ($Rev: 118 $)"
+
+
+import StringIO
+import base64
+import httplib
+import httplib2
+import os
+import pickle
+import socket
+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 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 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(d.has_key('QUERY_STRING'))
+            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(response.has_key('content-location'))
+        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, 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, 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 testSslCertValidation(self):
+        if sys.version_info >= (2, 6):
+            # Test that we get an ssl.SSLError when specifying a non-existent CA
+            # certs file.
+            http = httplib2.Http(ca_certs='/nosuchfile')
+            self.assertRaises(ssl.SSLError,
+                    http.request, "https://www.google.com/", "GET")
+
+            # Test that we get a SSLHandshakeError if we try to access
+            # https;//www.google.com, using a CA cert file that doesn't contain
+            # the CA Gogole uses (i.e., simulating a cert that's not signed by a
+            # trusted CA).
+            other_ca_certs = os.path.join(
+                    os.path.dirname(os.path.abspath(httplib2.__file__ )),
+                    "test", "other_cacerts.txt")
+            http = httplib2.Http(ca_certs=other_ca_certs)
+            self.assertRaises(httplib2.SSLHandshakeError,
+                    http.request, "https://www.google.com/", "GET")
+
+    def testSslCertValidationDoubleDots(self):
+        if sys.version_info >= (2, 6):
+            # Test that we get match a double dot cert
+            try:
+              self.http.request("https://1.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")
+        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")
+        self.assertNotEqual(response['etag'], "")
+
+        (response, content) = self.http.request(uri, "GET", headers = {'cache-control': 'max-age=0'})
+        d = self.reflector(content)
+        self.assertTrue(d.has_key('HTTP_IF_NONE_MATCH'))
+
+        self.http.ignore_etag = True
+        (response, content) = self.http.request(uri, "GET", headers = {'cache-control': 'max-age=0'})
+        d = self.reflector(content)
+        self.assertEqual(response.fromcache, False)
+        self.assertFalse(d.has_key('HTTP_IF_NONE_MATCH'))
+
+    def testOverrideEtag(self):
+        # Test that we can forcibly ignore ETags
+        uri = urlparse.urljoin(base, "reflector/reflector.cgi")
+        (response, content) = self.http.request(uri, "GET")
+        self.assertNotEqual(response['etag'], "")
+
+        (response, content) = self.http.request(uri, "GET", headers = {'cache-control': 'max-age=0'})
+        d = self.reflector(content)
+        self.assertTrue(d.has_key('HTTP_IF_NONE_MATCH'))
+        self.assertNotEqual(d['HTTP_IF_NONE_MATCH'], "fred")
+
+        (response, content) = self.http.request(uri, "GET", headers = {'cache-control': 'max-age=0', 'if-none-match': 'fred'})
+        d = self.reflector(content)
+        self.assertTrue(d.has_key('HTTP_IF_NONE_MATCH'))
+        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(response.has_key('vary'))
+
+        # 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(response.has_key('vary'))
+
+        # 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(response.has_key('vary'))
+
+        # 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(response.has_key('content-encoding'))
+        self.assertTrue(response.has_key('-content-encoding'))
+        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(response.has_key('content-encoding'))
+        self.assertTrue(response.has_key('-content-encoding'))
+
+    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(response.has_key('content-encoding'))
+        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")
+        self.assertNotEqual(response['etag'], "")
+        (response, content) = self.http.request(uri, "GET")
+        self.assertEqual(response.status, 200)
+        self.assertEqual(response.fromcache, True)
+
+        (response, content) = self.http.request(uri, "GET", headers={'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")
+        self.assertNotEqual(response['etag'], "")
+        (response, content) = self.http.request(uri, "GET")
+        self.assertEqual(response.status, 200)
+        self.assertEqual(response.fromcache, True)
+
+        (response, content) = self.http.request(uri, "GET", headers={'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 info.has_key('nextnonce'):
+            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(d.has_key('HTTP_USER_AGENT'))
+
+    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(h.has_key('cache-control'))
+        self.assertTrue(h.has_key('other'))
+        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))
+
+
+if __name__ == '__main__':
+    unittest.main()