mirror of
https://github.com/python/cpython.git
synced 2024-12-28 19:24:07 +08:00
629 lines
24 KiB
Python
629 lines
24 KiB
Python
import unittest
|
|
from test import test_support
|
|
|
|
import os
|
|
import StringIO
|
|
|
|
import urllib2
|
|
from urllib2 import Request, OpenerDirector
|
|
|
|
# XXX
|
|
# Request
|
|
# CacheFTPHandler (hard to write)
|
|
# parse_keqv_list, parse_http_list (I'm leaving this for Anthony Baxter
|
|
# and Greg Stein, since they're doing Digest Authentication)
|
|
# Authentication stuff (ditto)
|
|
# ProxyHandler, CustomProxy, CustomProxyHandler (I don't use a proxy)
|
|
# GopherHandler (haven't used gopher for a decade or so...)
|
|
|
|
class TrivialTests(unittest.TestCase):
|
|
def test_trivial(self):
|
|
# A couple trivial tests
|
|
|
|
self.assertRaises(ValueError, urllib2.urlopen, 'bogus url')
|
|
|
|
# XXX Name hacking to get this to work on Windows.
|
|
fname = os.path.abspath(urllib2.__file__).replace('\\', '/')
|
|
if fname[1:2] == ":":
|
|
fname = fname[2:]
|
|
# And more hacking to get it to work on MacOS. This assumes
|
|
# urllib.pathname2url works, unfortunately...
|
|
if os.name == 'mac':
|
|
fname = '/' + fname.replace(':', '/')
|
|
elif os.name == 'riscos':
|
|
import string
|
|
fname = os.expand(fname)
|
|
fname = fname.translate(string.maketrans("/.", "./"))
|
|
|
|
file_url = "file://%s" % fname
|
|
f = urllib2.urlopen(file_url)
|
|
|
|
buf = f.read()
|
|
f.close()
|
|
|
|
|
|
class MockOpener:
|
|
addheaders = []
|
|
def open(self, req, data=None):
|
|
self.req, self.data = req, data
|
|
def error(self, proto, *args):
|
|
self.proto, self.args = proto, args
|
|
|
|
class MockFile:
|
|
def read(self, count=None): pass
|
|
def readline(self, count=None): pass
|
|
def close(self): pass
|
|
|
|
class MockResponse(StringIO.StringIO):
|
|
def __init__(self, code, msg, headers, data, url=None):
|
|
StringIO.StringIO.__init__(self, data)
|
|
self.code, self.msg, self.headers, self.url = code, msg, headers, url
|
|
def info(self):
|
|
return self.headers
|
|
def geturl(self):
|
|
return self.url
|
|
|
|
class FakeMethod:
|
|
def __init__(self, meth_name, action, handle):
|
|
self.meth_name = meth_name
|
|
self.handle = handle
|
|
self.action = action
|
|
def __call__(self, *args):
|
|
return self.handle(self.meth_name, self.action, *args)
|
|
|
|
class MockHandler:
|
|
def __init__(self, methods):
|
|
self._define_methods(methods)
|
|
def _define_methods(self, methods):
|
|
for spec in methods:
|
|
if len(spec) == 2: name, action = spec
|
|
else: name, action = spec, None
|
|
meth = FakeMethod(name, action, self.handle)
|
|
setattr(self.__class__, name, meth)
|
|
def handle(self, fn_name, action, *args, **kwds):
|
|
self.parent.calls.append((self, fn_name, args, kwds))
|
|
if action is None:
|
|
return None
|
|
elif action == "return self":
|
|
return self
|
|
elif action == "return response":
|
|
res = MockResponse(200, "OK", {}, "")
|
|
return res
|
|
elif action == "return request":
|
|
return Request("http://blah/")
|
|
elif action.startswith("error"):
|
|
code = action[action.rfind(" ")+1:]
|
|
try:
|
|
code = int(code)
|
|
except ValueError:
|
|
pass
|
|
res = MockResponse(200, "OK", {}, "")
|
|
return self.parent.error("http", args[0], res, code, "", {})
|
|
elif action == "raise":
|
|
raise urllib2.URLError("blah")
|
|
assert False
|
|
def close(self): pass
|
|
def add_parent(self, parent):
|
|
self.parent = parent
|
|
self.parent.calls = []
|
|
def __lt__(self, other):
|
|
if not hasattr(other, "handler_order"):
|
|
# No handler_order, leave in original order. Yuck.
|
|
return True
|
|
return self.handler_order < other.handler_order
|
|
|
|
def add_ordered_mock_handlers(opener, meth_spec):
|
|
"""Create MockHandlers and add them to an OpenerDirector.
|
|
|
|
meth_spec: list of lists of tuples and strings defining methods to define
|
|
on handlers. eg:
|
|
|
|
[["http_error", "ftp_open"], ["http_open"]]
|
|
|
|
defines methods .http_error() and .ftp_open() on one handler, and
|
|
.http_open() on another. These methods just record their arguments and
|
|
return None. Using a tuple instead of a string causes the method to
|
|
perform some action (see MockHandler.handle()), eg:
|
|
|
|
[["http_error"], [("http_open", "return request")]]
|
|
|
|
defines .http_error() on one handler (which simply returns None), and
|
|
.http_open() on another handler, which returns a Request object.
|
|
|
|
"""
|
|
handlers = []
|
|
count = 0
|
|
for meths in meth_spec:
|
|
class MockHandlerSubclass(MockHandler): pass
|
|
h = MockHandlerSubclass(meths)
|
|
h.handler_order = count
|
|
h.add_parent(opener)
|
|
count = count + 1
|
|
handlers.append(h)
|
|
opener.add_handler(h)
|
|
return handlers
|
|
|
|
class OpenerDirectorTests(unittest.TestCase):
|
|
|
|
def test_handled(self):
|
|
# handler returning non-None means no more handlers will be called
|
|
o = OpenerDirector()
|
|
meth_spec = [
|
|
["http_open", "ftp_open", "http_error_302"],
|
|
["ftp_open"],
|
|
[("http_open", "return self")],
|
|
[("http_open", "return self")],
|
|
]
|
|
handlers = add_ordered_mock_handlers(o, meth_spec)
|
|
|
|
req = Request("http://example.com/")
|
|
r = o.open(req)
|
|
# Second .http_open() gets called, third doesn't, since second returned
|
|
# non-None. Handlers without .http_open() never get any methods called
|
|
# on them.
|
|
# In fact, second mock handler defining .http_open() returns self
|
|
# (instead of response), which becomes the OpenerDirector's return
|
|
# value.
|
|
self.assertEqual(r, handlers[2])
|
|
calls = [(handlers[0], "http_open"), (handlers[2], "http_open")]
|
|
for expected, got in zip(calls, o.calls):
|
|
handler, name, args, kwds = got
|
|
self.assertEqual((handler, name), expected)
|
|
self.assertEqual(args, (req,))
|
|
|
|
def test_handler_order(self):
|
|
o = OpenerDirector()
|
|
handlers = []
|
|
for meths, handler_order in [
|
|
([("http_open", "return self")], 500),
|
|
(["http_open"], 0),
|
|
]:
|
|
class MockHandlerSubclass(MockHandler): pass
|
|
h = MockHandlerSubclass(meths)
|
|
h.handler_order = handler_order
|
|
handlers.append(h)
|
|
o.add_handler(h)
|
|
|
|
r = o.open("http://example.com/")
|
|
# handlers called in reverse order, thanks to their sort order
|
|
self.assertEqual(o.calls[0][0], handlers[1])
|
|
self.assertEqual(o.calls[1][0], handlers[0])
|
|
|
|
def test_raise(self):
|
|
# raising URLError stops processing of request
|
|
o = OpenerDirector()
|
|
meth_spec = [
|
|
[("http_open", "raise")],
|
|
[("http_open", "return self")],
|
|
]
|
|
handlers = add_ordered_mock_handlers(o, meth_spec)
|
|
|
|
req = Request("http://example.com/")
|
|
self.assertRaises(urllib2.URLError, o.open, req)
|
|
self.assertEqual(o.calls, [(handlers[0], "http_open", (req,), {})])
|
|
|
|
## def test_error(self):
|
|
## # XXX this doesn't actually seem to be used in standard library,
|
|
## # but should really be tested anyway...
|
|
|
|
def test_http_error(self):
|
|
# XXX http_error_default
|
|
# http errors are a special case
|
|
o = OpenerDirector()
|
|
meth_spec = [
|
|
[("http_open", "error 302")],
|
|
[("http_error_400", "raise"), "http_open"],
|
|
[("http_error_302", "return response"), "http_error_303",
|
|
"http_error"],
|
|
[("http_error_302")],
|
|
]
|
|
handlers = add_ordered_mock_handlers(o, meth_spec)
|
|
|
|
class Unknown:
|
|
def __eq__(self, other): return True
|
|
|
|
req = Request("http://example.com/")
|
|
r = o.open(req)
|
|
assert len(o.calls) == 2
|
|
calls = [(handlers[0], "http_open", (req,)),
|
|
(handlers[2], "http_error_302",
|
|
(req, Unknown(), 302, "", {}))]
|
|
for expected, got in zip(calls, o.calls):
|
|
handler, method_name, args = expected
|
|
self.assertEqual((handler, method_name), got[:2])
|
|
self.assertEqual(args, got[2])
|
|
|
|
def test_processors(self):
|
|
# *_request / *_response methods get called appropriately
|
|
o = OpenerDirector()
|
|
meth_spec = [
|
|
[("http_request", "return request"),
|
|
("http_response", "return response")],
|
|
[("http_request", "return request"),
|
|
("http_response", "return response")],
|
|
]
|
|
handlers = add_ordered_mock_handlers(o, meth_spec)
|
|
|
|
req = Request("http://example.com/")
|
|
r = o.open(req)
|
|
# processor methods are called on *all* handlers that define them,
|
|
# not just the first handler that handles the request
|
|
calls = [
|
|
(handlers[0], "http_request"), (handlers[1], "http_request"),
|
|
(handlers[0], "http_response"), (handlers[1], "http_response")]
|
|
|
|
for i, (handler, name, args, kwds) in enumerate(o.calls):
|
|
if i < 2:
|
|
# *_request
|
|
self.assertEqual((handler, name), calls[i])
|
|
self.assertEqual(len(args), 1)
|
|
self.assert_(isinstance(args[0], Request))
|
|
else:
|
|
# *_response
|
|
self.assertEqual((handler, name), calls[i])
|
|
self.assertEqual(len(args), 2)
|
|
self.assert_(isinstance(args[0], Request))
|
|
# response from opener.open is None, because there's no
|
|
# handler that defines http_open to handle it
|
|
self.assert_(args[1] is None or
|
|
isinstance(args[1], MockResponse))
|
|
|
|
|
|
class HandlerTests(unittest.TestCase):
|
|
|
|
def test_ftp(self):
|
|
class MockFTPWrapper:
|
|
def __init__(self, data): self.data = data
|
|
def retrfile(self, filename, filetype):
|
|
self.filename, self.filetype = filename, filetype
|
|
return StringIO.StringIO(self.data), len(self.data)
|
|
|
|
class NullFTPHandler(urllib2.FTPHandler):
|
|
def __init__(self, data): self.data = data
|
|
def connect_ftp(self, user, passwd, host, port, dirs):
|
|
self.user, self.passwd = user, passwd
|
|
self.host, self.port = host, port
|
|
self.dirs = dirs
|
|
self.ftpwrapper = MockFTPWrapper(self.data)
|
|
return self.ftpwrapper
|
|
|
|
import ftplib, socket
|
|
data = "rheum rhaponicum"
|
|
h = NullFTPHandler(data)
|
|
o = h.parent = MockOpener()
|
|
|
|
for url, host, port, type_, dirs, filename, mimetype in [
|
|
("ftp://localhost/foo/bar/baz.html",
|
|
"localhost", ftplib.FTP_PORT, "I",
|
|
["foo", "bar"], "baz.html", "text/html"),
|
|
# XXXX Bug: FTPHandler tries to gethostbyname "localhost:80", with the
|
|
# port still there.
|
|
## ("ftp://localhost:80/foo/bar/",
|
|
## "localhost", 80, "D",
|
|
## ["foo", "bar"], "", None),
|
|
# XXXX bug: second use of splitattr() in FTPHandler should be splitvalue()
|
|
## ("ftp://localhost/baz.gif;type=a",
|
|
## "localhost", ftplib.FTP_PORT, "A",
|
|
## [], "baz.gif", "image/gif"),
|
|
]:
|
|
r = h.ftp_open(Request(url))
|
|
# ftp authentication not yet implemented by FTPHandler
|
|
self.assert_(h.user == h.passwd == "")
|
|
self.assertEqual(h.host, socket.gethostbyname(host))
|
|
self.assertEqual(h.port, port)
|
|
self.assertEqual(h.dirs, dirs)
|
|
self.assertEqual(h.ftpwrapper.filename, filename)
|
|
self.assertEqual(h.ftpwrapper.filetype, type_)
|
|
headers = r.info()
|
|
self.assertEqual(headers["Content-type"], mimetype)
|
|
self.assertEqual(int(headers["Content-length"]), len(data))
|
|
|
|
def test_file(self):
|
|
import time, rfc822, socket
|
|
h = urllib2.FileHandler()
|
|
o = h.parent = MockOpener()
|
|
|
|
#from test_support import TESTFN
|
|
TESTFN = "test.txt"
|
|
towrite = "hello, world\n"
|
|
for url in [
|
|
"file://localhost%s/%s" % (os.getcwd(), TESTFN),
|
|
"file://%s/%s" % (os.getcwd(), TESTFN),
|
|
"file://%s%s/%s" % (socket.gethostbyname('localhost'),
|
|
os.getcwd(), TESTFN),
|
|
"file://%s%s/%s" % (socket.gethostbyname(socket.gethostname()),
|
|
os.getcwd(), TESTFN),
|
|
# XXX Windows / Mac format(s), ... ?
|
|
]:
|
|
f = open(TESTFN, "w")
|
|
try:
|
|
try:
|
|
f.write(towrite)
|
|
finally:
|
|
f.close()
|
|
|
|
r = h.file_open(Request(url))
|
|
try:
|
|
data = r.read()
|
|
read_time = time.time()
|
|
headers = r.info()
|
|
newurl = r.geturl()
|
|
finally:
|
|
r.close()
|
|
finally:
|
|
os.remove(TESTFN)
|
|
self.assertEqual(data, towrite)
|
|
self.assertEqual(headers["Content-type"], "text/plain")
|
|
self.assertEqual(headers["Content-length"], "13")
|
|
# Fudge Last-modified string comparison by one second to
|
|
# prevent spurious failure on crossing a second boundary while
|
|
# executing this test.
|
|
unfudged = rfc822.formatdate(read_time)
|
|
fudged = rfc822.formatdate(read_time-1)
|
|
self.assert_(headers["Last-modified"] in [unfudged, fudged])
|
|
|
|
for url in [
|
|
"file://localhost:80%s/%s" % (os.getcwd(), TESTFN),
|
|
# XXXX bug: these fail with socket.gaierror, should be URLError
|
|
## "file://%s:80%s/%s" % (socket.gethostbyname('localhost'),
|
|
## os.getcwd(), TESTFN),
|
|
## "file://somerandomhost.ontheinternet.com%s/%s" %
|
|
## (os.getcwd(), TESTFN),
|
|
]:
|
|
try:
|
|
f = open(TESTFN, "w")
|
|
try:
|
|
f.write(towrite)
|
|
finally:
|
|
f.close()
|
|
|
|
self.assertRaises(urllib2.URLError,
|
|
h.file_open, Request(url))
|
|
finally:
|
|
os.remove(TESTFN)
|
|
|
|
h = urllib2.FileHandler()
|
|
o = h.parent = MockOpener()
|
|
# XXXX why does // mean ftp (and /// mean not ftp!), and where
|
|
# is file: scheme specified? I think this is really a bug, and
|
|
# what was intended was to distinguish between URLs like:
|
|
# file:/blah.txt (a file)
|
|
# file://localhost/blah.txt (a file)
|
|
# file:///blah.txt (a file)
|
|
# file://ftp.example.com/blah.txt (an ftp URL)
|
|
for url, ftp in [
|
|
("file://ftp.example.com//foo.txt", True),
|
|
("file://ftp.example.com///foo.txt", False),
|
|
# XXXX bug: fails with OSError, should be URLError
|
|
("file://ftp.example.com/foo.txt", False),
|
|
]:
|
|
req = Request(url)
|
|
try:
|
|
h.file_open(req)
|
|
# XXXX remove OSError when bug fixed
|
|
except (urllib2.URLError, OSError):
|
|
self.assert_(not ftp)
|
|
else:
|
|
self.assert_(o.req is req)
|
|
self.assertEqual(req.type, "ftp")
|
|
|
|
def test_http(self):
|
|
class MockHTTPResponse:
|
|
def __init__(self, fp, msg, status, reason):
|
|
self.fp = fp
|
|
self.msg = msg
|
|
self.status = status
|
|
self.reason = reason
|
|
class MockHTTPClass:
|
|
def __init__(self):
|
|
self.req_headers = []
|
|
self.data = None
|
|
self.raise_on_endheaders = False
|
|
def __call__(self, host):
|
|
self.host = host
|
|
return self
|
|
def set_debuglevel(self, level):
|
|
self.level = level
|
|
def request(self, method, url, body=None, headers={}):
|
|
self.method = method
|
|
self.selector = url
|
|
self.req_headers += headers.items()
|
|
if body:
|
|
self.data = body
|
|
if self.raise_on_endheaders:
|
|
import socket
|
|
raise socket.error()
|
|
def getresponse(self):
|
|
return MockHTTPResponse(MockFile(), {}, 200, "OK")
|
|
|
|
h = urllib2.AbstractHTTPHandler()
|
|
o = h.parent = MockOpener()
|
|
|
|
url = "http://example.com/"
|
|
for method, data in [("GET", None), ("POST", "blah")]:
|
|
req = Request(url, data, {"Foo": "bar"})
|
|
req.add_unredirected_header("Spam", "eggs")
|
|
http = MockHTTPClass()
|
|
r = h.do_open(http, req)
|
|
|
|
# result attributes
|
|
r.read; r.readline # wrapped MockFile methods
|
|
r.info; r.geturl # addinfourl methods
|
|
r.code, r.msg == 200, "OK" # added from MockHTTPClass.getreply()
|
|
hdrs = r.info()
|
|
hdrs.get; hdrs.has_key # r.info() gives dict from .getreply()
|
|
self.assertEqual(r.geturl(), url)
|
|
|
|
self.assertEqual(http.host, "example.com")
|
|
self.assertEqual(http.level, 0)
|
|
self.assertEqual(http.method, method)
|
|
self.assertEqual(http.selector, "/")
|
|
self.assertEqual(http.req_headers,
|
|
[("Foo", "bar"), ("Spam", "eggs")])
|
|
self.assertEqual(http.data, data)
|
|
|
|
# check socket.error converted to URLError
|
|
http.raise_on_endheaders = True
|
|
self.assertRaises(urllib2.URLError, h.do_open, http, req)
|
|
|
|
# check adding of standard headers
|
|
o.addheaders = [("Spam", "eggs")]
|
|
for data in "", None: # POST, GET
|
|
req = Request("http://example.com/", data)
|
|
r = MockResponse(200, "OK", {}, "")
|
|
newreq = h.do_request(req)
|
|
if data is None: # GET
|
|
self.assert_("Content-length" not in req.unredirected_hdrs)
|
|
self.assert_("Content-type" not in req.unredirected_hdrs)
|
|
else: # POST
|
|
self.assertEqual(req.unredirected_hdrs["Content-length"], "0")
|
|
self.assertEqual(req.unredirected_hdrs["Content-type"],
|
|
"application/x-www-form-urlencoded")
|
|
# XXX the details of Host could be better tested
|
|
self.assertEqual(req.unredirected_hdrs["Host"], "example.com")
|
|
self.assertEqual(req.unredirected_hdrs["Spam"], "eggs")
|
|
|
|
# don't clobber existing headers
|
|
req.add_unredirected_header("Content-length", "foo")
|
|
req.add_unredirected_header("Content-type", "bar")
|
|
req.add_unredirected_header("Host", "baz")
|
|
req.add_unredirected_header("Spam", "foo")
|
|
newreq = h.do_request(req)
|
|
self.assertEqual(req.unredirected_hdrs["Content-length"], "foo")
|
|
self.assertEqual(req.unredirected_hdrs["Content-type"], "bar")
|
|
self.assertEqual(req.unredirected_hdrs["Host"], "baz")
|
|
self.assertEqual(req.unredirected_hdrs["Spam"], "foo")
|
|
|
|
def test_errors(self):
|
|
h = urllib2.HTTPErrorProcessor()
|
|
o = h.parent = MockOpener()
|
|
|
|
url = "http://example.com/"
|
|
req = Request(url)
|
|
# 200 OK is passed through
|
|
r = MockResponse(200, "OK", {}, "", url)
|
|
newr = h.http_response(req, r)
|
|
self.assert_(r is newr)
|
|
self.assert_(not hasattr(o, "proto")) # o.error not called
|
|
# anything else calls o.error (and MockOpener returns None, here)
|
|
r = MockResponse(201, "Created", {}, "", url)
|
|
self.assert_(h.http_response(req, r) is None)
|
|
self.assertEqual(o.proto, "http") # o.error called
|
|
self.assertEqual(o.args, (req, r, 201, "Created", {}))
|
|
|
|
def test_redirect(self):
|
|
from_url = "http://example.com/a.html"
|
|
to_url = "http://example.com/b.html"
|
|
h = urllib2.HTTPRedirectHandler()
|
|
o = h.parent = MockOpener()
|
|
|
|
# ordinary redirect behaviour
|
|
for code in 301, 302, 303, 307:
|
|
for data in None, "blah\nblah\n":
|
|
method = getattr(h, "http_error_%s" % code)
|
|
req = Request(from_url, data)
|
|
req.add_header("Nonsense", "viking=withhold")
|
|
req.add_unredirected_header("Spam", "spam")
|
|
try:
|
|
method(req, MockFile(), code, "Blah", {"location": to_url})
|
|
except urllib2.HTTPError:
|
|
# 307 in response to POST requires user OK
|
|
self.assert_(code == 307 and data is not None)
|
|
self.assertEqual(o.req.get_full_url(), to_url)
|
|
try:
|
|
self.assertEqual(o.req.get_method(), "GET")
|
|
except AttributeError:
|
|
self.assert_(not o.req.has_data())
|
|
self.assertEqual(o.req.headers["Nonsense"],
|
|
"viking=withhold")
|
|
self.assert_("Spam" not in o.req.headers)
|
|
self.assert_("Spam" not in o.req.unredirected_hdrs)
|
|
|
|
# loop detection
|
|
req = Request(from_url)
|
|
req.origin_req_host = "example.com"
|
|
def redirect(h, req, code, url=to_url):
|
|
method = getattr(h, "http_error_%s" % code)
|
|
method(req, MockFile(), code, "Blah", {"location": url})
|
|
# Note that the *original* request shares the same record of
|
|
# redirections with the sub-requests caused by the redirections.
|
|
# once
|
|
redirect(h, req, 302)
|
|
# twice: loop detected
|
|
self.assertRaises(urllib2.HTTPError, redirect, h, req, 302)
|
|
# and again
|
|
self.assertRaises(urllib2.HTTPError, redirect, h, req, 302)
|
|
# but this is a different redirect code, so OK...
|
|
redirect(h, req, 301)
|
|
self.assertRaises(urllib2.HTTPError, redirect, h, req, 301)
|
|
# order doesn't matter
|
|
redirect(h, req, 303)
|
|
redirect(h, req, 307)
|
|
self.assertRaises(urllib2.HTTPError, redirect, h, req, 303)
|
|
|
|
# detect endless non-repeating chain of redirects
|
|
req = Request(from_url)
|
|
req.origin_req_host = "example.com"
|
|
count = 0
|
|
try:
|
|
while 1:
|
|
redirect(h, req, 302, "http://example.com/%d" % count)
|
|
count = count + 1
|
|
except urllib2.HTTPError:
|
|
self.assertEqual(count,
|
|
urllib2.HTTPRedirectHandler.max_redirections)
|
|
|
|
|
|
class MiscTests(unittest.TestCase):
|
|
|
|
def test_build_opener(self):
|
|
class MyHTTPHandler(urllib2.HTTPHandler): pass
|
|
class FooHandler(urllib2.BaseHandler):
|
|
def foo_open(self): pass
|
|
class BarHandler(urllib2.BaseHandler):
|
|
def bar_open(self): pass
|
|
|
|
build_opener = urllib2.build_opener
|
|
|
|
o = build_opener(FooHandler, BarHandler)
|
|
self.opener_has_handler(o, FooHandler)
|
|
self.opener_has_handler(o, BarHandler)
|
|
|
|
# can take a mix of classes and instances
|
|
o = build_opener(FooHandler, BarHandler())
|
|
self.opener_has_handler(o, FooHandler)
|
|
self.opener_has_handler(o, BarHandler)
|
|
|
|
# subclasses of default handlers override default handlers
|
|
o = build_opener(MyHTTPHandler)
|
|
self.opener_has_handler(o, MyHTTPHandler)
|
|
|
|
# a particular case of overriding: default handlers can be passed
|
|
# in explicitly
|
|
o = build_opener()
|
|
self.opener_has_handler(o, urllib2.HTTPHandler)
|
|
o = build_opener(urllib2.HTTPHandler)
|
|
self.opener_has_handler(o, urllib2.HTTPHandler)
|
|
o = build_opener(urllib2.HTTPHandler())
|
|
self.opener_has_handler(o, urllib2.HTTPHandler)
|
|
|
|
def opener_has_handler(self, opener, handler_class):
|
|
for h in opener.handlers:
|
|
if h.__class__ == handler_class:
|
|
break
|
|
else:
|
|
self.assert_(False)
|
|
|
|
|
|
def test_main(verbose=None):
|
|
from test import test_sets
|
|
test_support.run_unittest(
|
|
TrivialTests,
|
|
OpenerDirectorTests,
|
|
HandlerTests,
|
|
MiscTests,
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
test_main(verbose=True)
|