Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

358 lines (297 sloc) 14.553 kb
from __future__ import absolute_import, division, with_statement
import collections
from contextlib import closing
import errno
import gzip
import logging
import os
import re
import socket
import sys
from tornado.httpclient import AsyncHTTPClient
from tornado.httputil import HTTPHeaders
from tornado.ioloop import IOLoop
from tornado.simple_httpclient import SimpleAsyncHTTPClient, _DEFAULT_CA_CERTS
from tornado.test.httpclient_test import ChunkHandler, CountdownHandler, HelloWorldHandler
from tornado.test import httpclient_test
from tornado.testing import AsyncHTTPTestCase, AsyncTestCase, LogTrapTestCase, get_unused_port
from tornado.test.util import unittest
from tornado.util import b
from tornado.web import RequestHandler, Application, asynchronous, url
class SimpleHTTPClientCommonTestCase(httpclient_test.HTTPClientCommonTestCase):
def get_http_client(self):
client = SimpleAsyncHTTPClient(io_loop=self.io_loop,
force_instance=True)
self.assertTrue(isinstance(client, SimpleAsyncHTTPClient))
return client
class TriggerHandler(RequestHandler):
def initialize(self, queue, wake_callback):
self.queue = queue
self.wake_callback = wake_callback
@asynchronous
def get(self):
logging.info("queuing trigger")
self.queue.append(self.finish)
if self.get_argument("wake", "true") == "true":
self.wake_callback()
class HangHandler(RequestHandler):
@asynchronous
def get(self):
pass
class ContentLengthHandler(RequestHandler):
def get(self):
self.set_header("Content-Length", self.get_argument("value"))
self.write("ok")
class HeadHandler(RequestHandler):
def head(self):
self.set_header("Content-Length", "7")
class OptionsHandler(RequestHandler):
def options(self):
self.set_header("Access-Control-Allow-Origin", "*")
self.write("ok")
class NoContentHandler(RequestHandler):
def get(self):
if self.get_argument("error", None):
self.set_header("Content-Length", "7")
self.set_status(204)
class SeeOther303PostHandler(RequestHandler):
def post(self):
if self.request.body != b("blah"):
raise Exception("unexpected body %r" % self.request.body)
self.set_header("Location", "/303_get")
self.set_status(303)
class SeeOther303GetHandler(RequestHandler):
def get(self):
if self.request.body:
raise Exception("unexpected body %r" % self.request.body)
self.write("ok")
class HostEchoHandler(RequestHandler):
def get(self):
self.write(self.request.headers["Host"])
class SimpleHTTPClientTestCase(AsyncHTTPTestCase, LogTrapTestCase):
def setUp(self):
super(SimpleHTTPClientTestCase, self).setUp()
self.http_client = SimpleAsyncHTTPClient(self.io_loop)
def get_app(self):
# callable objects to finish pending /trigger requests
self.triggers = collections.deque()
return Application([
url("/trigger", TriggerHandler, dict(queue=self.triggers,
wake_callback=self.stop)),
url("/chunk", ChunkHandler),
url("/countdown/([0-9]+)", CountdownHandler, name="countdown"),
url("/hang", HangHandler),
url("/hello", HelloWorldHandler),
url("/content_length", ContentLengthHandler),
url("/head", HeadHandler),
url("/options", OptionsHandler),
url("/no_content", NoContentHandler),
url("/303_post", SeeOther303PostHandler),
url("/303_get", SeeOther303GetHandler),
url("/host_echo", HostEchoHandler),
], gzip=True)
def test_singleton(self):
# Class "constructor" reuses objects on the same IOLoop
self.assertTrue(SimpleAsyncHTTPClient(self.io_loop) is
SimpleAsyncHTTPClient(self.io_loop))
# unless force_instance is used
self.assertTrue(SimpleAsyncHTTPClient(self.io_loop) is not
SimpleAsyncHTTPClient(self.io_loop,
force_instance=True))
# different IOLoops use different objects
io_loop2 = IOLoop()
self.assertTrue(SimpleAsyncHTTPClient(self.io_loop) is not
SimpleAsyncHTTPClient(io_loop2))
def test_connection_limit(self):
client = SimpleAsyncHTTPClient(self.io_loop, max_clients=2,
force_instance=True)
self.assertEqual(client.max_clients, 2)
seen = []
# Send 4 requests. Two can be sent immediately, while the others
# will be queued
for i in range(4):
client.fetch(self.get_url("/trigger"),
lambda response, i=i: (seen.append(i), self.stop()))
self.wait(condition=lambda: len(self.triggers) == 2)
self.assertEqual(len(client.queue), 2)
# Finish the first two requests and let the next two through
self.triggers.popleft()()
self.triggers.popleft()()
self.wait(condition=lambda: (len(self.triggers) == 2 and
len(seen) == 2))
self.assertEqual(set(seen), set([0, 1]))
self.assertEqual(len(client.queue), 0)
# Finish all the pending requests
self.triggers.popleft()()
self.triggers.popleft()()
self.wait(condition=lambda: len(seen) == 4)
self.assertEqual(set(seen), set([0, 1, 2, 3]))
self.assertEqual(len(self.triggers), 0)
def test_redirect_connection_limit(self):
# following redirects should not consume additional connections
client = SimpleAsyncHTTPClient(self.io_loop, max_clients=1,
force_instance=True)
client.fetch(self.get_url('/countdown/3'), self.stop,
max_redirects=3)
response = self.wait()
response.rethrow()
def test_default_certificates_exist(self):
open(_DEFAULT_CA_CERTS).close()
def test_gzip(self):
# All the tests in this file should be using gzip, but this test
# ensures that it is in fact getting compressed.
# Setting Accept-Encoding manually bypasses the client's
# decompression so we can see the raw data.
response = self.fetch("/chunk", use_gzip=False,
headers={"Accept-Encoding": "gzip"})
self.assertEqual(response.headers["Content-Encoding"], "gzip")
self.assertNotEqual(response.body, b("asdfqwer"))
# Our test data gets bigger when gzipped. Oops. :)
self.assertEqual(len(response.body), 34)
f = gzip.GzipFile(mode="r", fileobj=response.buffer)
self.assertEqual(f.read(), b("asdfqwer"))
def test_max_redirects(self):
response = self.fetch("/countdown/5", max_redirects=3)
self.assertEqual(302, response.code)
# We requested 5, followed three redirects for 4, 3, 2, then the last
# unfollowed redirect is to 1.
self.assertTrue(response.request.url.endswith("/countdown/5"))
self.assertTrue(response.effective_url.endswith("/countdown/2"))
self.assertTrue(response.headers["Location"].endswith("/countdown/1"))
def test_header_reuse(self):
# Apps may reuse a headers object if they are only passing in constant
# headers like user-agent. The header object should not be modified.
headers = HTTPHeaders({'User-Agent': 'Foo'})
self.fetch("/hello", headers=headers)
self.assertEqual(list(headers.get_all()), [('User-Agent', 'Foo')])
def test_303_redirect(self):
response = self.fetch("/303_post", method="POST", body="blah")
self.assertEqual(200, response.code)
self.assertTrue(response.request.url.endswith("/303_post"))
self.assertTrue(response.effective_url.endswith("/303_get"))
#request is the original request, is a POST still
self.assertEqual("POST", response.request.method)
def test_request_timeout(self):
response = self.fetch('/trigger?wake=false', request_timeout=0.1)
self.assertEqual(response.code, 599)
self.assertTrue(0.099 < response.request_time < 0.12, response.request_time)
self.assertEqual(str(response.error), "HTTP 599: Timeout")
# trigger the hanging request to let it clean up after itself
self.triggers.popleft()()
@unittest.skipIf(not socket.has_ipv6, 'ipv6 support not present')
def test_ipv6(self):
try:
self.http_server.listen(self.get_http_port(), address='::1')
except socket.gaierror, e:
if e.args[0] == socket.EAI_ADDRFAMILY:
# python supports ipv6, but it's not configured on the network
# interface, so skip this test.
return
raise
url = self.get_url("/hello").replace("localhost", "[::1]")
# ipv6 is currently disabled by default and must be explicitly requested
self.http_client.fetch(url, self.stop)
response = self.wait()
self.assertEqual(response.code, 599)
self.http_client.fetch(url, self.stop, allow_ipv6=True)
response = self.wait()
self.assertEqual(response.body, b("Hello world!"))
def test_multiple_content_length_accepted(self):
response = self.fetch("/content_length?value=2,2")
self.assertEqual(response.body, b("ok"))
response = self.fetch("/content_length?value=2,%202,2")
self.assertEqual(response.body, b("ok"))
response = self.fetch("/content_length?value=2,4")
self.assertEqual(response.code, 599)
response = self.fetch("/content_length?value=2,%202,3")
self.assertEqual(response.code, 599)
def test_head_request(self):
response = self.fetch("/head", method="HEAD")
self.assertEqual(response.code, 200)
self.assertEqual(response.headers["content-length"], "7")
self.assertFalse(response.body)
def test_options_request(self):
response = self.fetch("/options", method="OPTIONS")
self.assertEqual(response.code, 200)
self.assertEqual(response.headers["content-length"], "2")
self.assertEqual(response.headers["access-control-allow-origin"], "*")
self.assertEqual(response.body, b("ok"))
def test_no_content(self):
response = self.fetch("/no_content")
self.assertEqual(response.code, 204)
# 204 status doesn't need a content-length, but tornado will
# add a zero content-length anyway.
self.assertEqual(response.headers["Content-length"], "0")
# 204 status with non-zero content length is malformed
response = self.fetch("/no_content?error=1")
self.assertEqual(response.code, 599)
def test_host_header(self):
host_re = re.compile(b("^localhost:[0-9]+$"))
response = self.fetch("/host_echo")
self.assertTrue(host_re.match(response.body))
url = self.get_url("/host_echo").replace("http://", "http://me:secret@")
self.http_client.fetch(url, self.stop)
response = self.wait()
self.assertTrue(host_re.match(response.body), response.body)
def test_connection_refused(self):
port = get_unused_port()
self.http_client.fetch("http://localhost:%d/" % port, self.stop)
response = self.wait()
self.assertEqual(599, response.code)
if sys.platform != 'cygwin':
# cygwin returns EPERM instead of ECONNREFUSED here
self.assertTrue(str(errno.ECONNREFUSED) in str(response.error),
response.error)
# This is usually "Connection refused".
# On windows, strerror is broken and returns "Unknown error".
expected_message = os.strerror(errno.ECONNREFUSED)
self.assertTrue(expected_message in str(response.error),
response.error)
class CreateAsyncHTTPClientTestCase(AsyncTestCase, LogTrapTestCase):
def setUp(self):
super(CreateAsyncHTTPClientTestCase, self).setUp()
self.saved = AsyncHTTPClient._save_configuration()
def tearDown(self):
AsyncHTTPClient._restore_configuration(self.saved)
super(CreateAsyncHTTPClientTestCase, self).tearDown()
def test_max_clients(self):
# The max_clients argument is tricky because it was originally
# allowed to be passed positionally; newer arguments are keyword-only.
AsyncHTTPClient.configure(SimpleAsyncHTTPClient)
with closing(AsyncHTTPClient(
self.io_loop, force_instance=True)) as client:
self.assertEqual(client.max_clients, 10)
with closing(AsyncHTTPClient(
self.io_loop, 11, force_instance=True)) as client:
self.assertEqual(client.max_clients, 11)
with closing(AsyncHTTPClient(
self.io_loop, max_clients=11, force_instance=True)) as client:
self.assertEqual(client.max_clients, 11)
# Now configure max_clients statically and try overriding it
# with each way max_clients can be passed
AsyncHTTPClient.configure(SimpleAsyncHTTPClient, max_clients=12)
with closing(AsyncHTTPClient(
self.io_loop, force_instance=True)) as client:
self.assertEqual(client.max_clients, 12)
with closing(AsyncHTTPClient(
self.io_loop, max_clients=13, force_instance=True)) as client:
self.assertEqual(client.max_clients, 13)
with closing(AsyncHTTPClient(
self.io_loop, max_clients=14, force_instance=True)) as client:
self.assertEqual(client.max_clients, 14)
class HTTP100ContinueTestCase(AsyncHTTPTestCase, LogTrapTestCase):
def respond_100(self, request):
self.request = request
self.request.connection.stream.write(
b("HTTP/1.1 100 CONTINUE\r\n\r\n"),
self.respond_200)
def respond_200(self):
self.request.connection.stream.write(
b("HTTP/1.1 200 OK\r\nContent-Length: 1\r\n\r\nA"),
self.request.connection.stream.close)
def get_app(self):
# Not a full Application, but works as an HTTPServer callback
return self.respond_100
def test_100_continue(self):
res = self.fetch('/')
self.assertEqual(res.body, b('A'))
Jump to Line
Something went wrong with that request. Please try again.