Files
deb-python-eventlet/tests/wsgi_test.py

591 lines
20 KiB
Python

import cgi
import os
import socket
from tests import skipped, LimitedTestCase
from unittest import main
from eventlet import api
from eventlet import util
from eventlet import greenio
from eventlet import wsgi
from eventlet import processes
from tests import find_command
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
def hello_world(env, start_response):
if env['PATH_INFO'] == 'notexist':
start_response('404 Not Found', [('Content-type', 'text/plain')])
return ["not found"]
start_response('200 OK', [('Content-type', 'text/plain')])
return ["hello world"]
def chunked_app(env, start_response):
start_response('200 OK', [('Content-type', 'text/plain')])
yield "this"
yield "is"
yield "chunked"
def big_chunks(env, start_response):
start_response('200 OK', [('Content-type', 'text/plain')])
line = 'a' * 8192
for x in range(10):
yield line
def use_write(env, start_response):
if env['PATH_INFO'] == '/a':
write = start_response('200 OK', [('Content-type', 'text/plain'),
('Content-Length', '5')])
write('abcde')
if env['PATH_INFO'] == '/b':
write = start_response('200 OK', [('Content-type', 'text/plain')])
write('abcde')
return []
def chunked_post(env, start_response):
start_response('200 OK', [('Content-type', 'text/plain')])
if env['PATH_INFO'] == '/a':
return [env['wsgi.input'].read()]
elif env['PATH_INFO'] == '/b':
return [x for x in iter(lambda: env['wsgi.input'].read(4096), '')]
elif env['PATH_INFO'] == '/c':
return [x for x in iter(lambda: env['wsgi.input'].read(1), '')]
class Site(object):
def __init__(self):
self.application = hello_world
def __call__(self, env, start_response):
return self.application(env, start_response)
CONTENT_LENGTH = 'content-length'
"""
HTTP/1.1 200 OK
Date: foo
Content-length: 11
hello world
"""
class ConnectionClosed(Exception):
pass
def read_http(sock):
fd = sock.makefile()
try:
response_line = fd.readline()
except socket.error, exc:
if exc[0] == 10053:
raise ConnectionClosed
raise
if not response_line:
raise ConnectionClosed
header_lines = []
while True:
line = fd.readline()
if line == '\r\n':
break
else:
header_lines.append(line)
headers = dict()
for x in header_lines:
x = x.strip()
if not x:
continue
key, value = x.split(': ', 1)
headers[key.lower()] = value
if CONTENT_LENGTH in headers:
num = int(headers[CONTENT_LENGTH])
body = fd.read(num)
#print body
else:
body = None
return response_line, headers, body
class TestHttpd(LimitedTestCase):
mode = 'static'
def setUp(self):
super(TestHttpd, self).setUp()
self.logfile = StringIO()
self.site = Site()
listener = api.tcp_listener(('localhost', 0))
self.port = listener.getsockname()[1]
self.killer = api.spawn(
wsgi.server,
listener,
self.site,
max_size=128,
log=self.logfile)
def tearDown(self):
super(TestHttpd, self).tearDown()
api.kill(self.killer)
api.sleep(0)
def test_001_server(self):
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.0\r\nHost: localhost\r\n\r\n')
fd.flush()
result = fd.read()
fd.close()
## The server responds with the maximum version it supports
self.assert_(result.startswith('HTTP'), result)
self.assert_(result.endswith('hello world'))
def test_002_keepalive(self):
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
read_http(sock)
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
read_http(sock)
fd.close()
def test_003_passing_non_int_to_read(self):
# This should go in greenio_test
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
cancel = api.exc_after(1, RuntimeError)
self.assertRaises(TypeError, fd.read, "This shouldn't work")
cancel.cancel()
fd.close()
def test_004_close_keepalive(self):
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
read_http(sock)
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
read_http(sock)
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
self.assertRaises(ConnectionClosed, read_http, sock)
fd.close()
@skipped
def test_005_run_apachebench(self):
url = 'http://localhost:12346/'
# ab is apachebench
out = processes.Process(find_command('ab'),
['-c','64','-n','1024', '-k', url])
print out.read()
def test_006_reject_long_urls(self):
sock = api.connect_tcp(
('localhost', self.port))
path_parts = []
for ii in range(3000):
path_parts.append('path')
path = '/'.join(path_parts)
request = 'GET /%s HTTP/1.0\r\nHost: localhost\r\n\r\n' % path
fd = sock.makefile()
fd.write(request)
fd.flush()
result = fd.readline()
if result:
# windows closes the socket before the data is flushed,
# so we never get anything back
status = result.split(' ')[1]
self.assertEqual(status, '414')
fd.close()
def test_007_get_arg(self):
# define a new handler that does a get_arg as well as a read_body
def new_app(env, start_response):
body = env['wsgi.input'].read()
a = cgi.parse_qs(body).get('a', [1])[0]
start_response('200 OK', [('Content-type', 'text/plain')])
return ['a is %s, body is %s' % (a, body)]
self.site.application = new_app
sock = api.connect_tcp(
('localhost', self.port))
request = '\r\n'.join((
'POST / HTTP/1.0',
'Host: localhost',
'Content-Length: 3',
'',
'a=a'))
fd = sock.makefile()
fd.write(request)
fd.flush()
# send some junk after the actual request
fd.write('01234567890123456789')
reqline, headers, body = read_http(sock)
self.assertEqual(body, 'a is a, body is a=a')
fd.close()
def test_008_correctresponse(self):
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
response_line_200,_,_ = read_http(sock)
fd.write('GET /notexist HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
response_line_404,_,_ = read_http(sock)
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
fd.flush()
response_line_test,_,_ = read_http(sock)
self.assertEqual(response_line_200,response_line_test)
fd.close()
def test_009_chunked_response(self):
self.site.application = chunked_app
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
self.assert_('Transfer-Encoding: chunked' in fd.read())
def test_010_no_chunked_http_1_0(self):
self.site.application = chunked_app
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.0\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
self.assert_('Transfer-Encoding: chunked' not in fd.read())
def test_011_multiple_chunks(self):
self.site.application = big_chunks
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
headers = ''
while True:
line = fd.readline()
if line == '\r\n':
break
else:
headers += line
self.assert_('Transfer-Encoding: chunked' in headers)
chunks = 0
chunklen = int(fd.readline(), 16)
while chunklen:
chunks += 1
chunk = fd.read(chunklen)
fd.readline()
chunklen = int(fd.readline(), 16)
self.assert_(chunks > 1)
def test_012_ssl_server(self):
def wsgi_app(environ, start_response):
start_response('200 OK', {})
return [environ['wsgi.input'].read()]
certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
private_key_file = os.path.join(os.path.dirname(__file__), 'test_server.key')
server_sock = api.ssl_listener(('localhost', 0), certificate_file, private_key_file)
api.spawn(wsgi.server, server_sock, wsgi_app, log=StringIO())
sock = api.connect_tcp(('localhost', server_sock.getsockname()[1]))
sock = util.wrap_ssl(sock)
sock.write('POST /foo HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\nContent-length:3\r\n\r\nabc')
result = sock.read(8192)
self.assertEquals(result[-3:], 'abc')
def test_013_empty_return(self):
def wsgi_app(environ, start_response):
start_response("200 OK", [])
return [""]
certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
private_key_file = os.path.join(os.path.dirname(__file__), 'test_server.key')
server_sock = api.ssl_listener(('localhost', 0), certificate_file, private_key_file)
api.spawn(wsgi.server, server_sock, wsgi_app, log=StringIO())
sock = api.connect_tcp(('localhost', server_sock.getsockname()[1]))
sock = util.wrap_ssl(sock)
sock.write('GET /foo HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
result = sock.read(8192)
self.assertEquals(result[-4:], '\r\n\r\n')
def test_014_chunked_post(self):
self.site.application = chunked_post
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('PUT /a HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'2\r\noh\r\n4\r\n hai\r\n0\r\n\r\n')
fd.flush()
while True:
if fd.readline() == '\r\n':
break
response = fd.read()
self.assert_(response == 'oh hai', 'invalid response %s' % response)
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('PUT /b HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'2\r\noh\r\n4\r\n hai\r\n0\r\n\r\n')
fd.flush()
while True:
if fd.readline() == '\r\n':
break
response = fd.read()
self.assert_(response == 'oh hai', 'invalid response %s' % response)
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('PUT /c HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'2\r\noh\r\n4\r\n hai\r\n0\r\n\r\n')
fd.flush()
while True:
if fd.readline() == '\r\n':
break
response = fd.read(8192)
self.assert_(response == 'oh hai', 'invalid response %s' % response)
def test_015_write(self):
self.site.application = use_write
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('GET /a HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
response_line, headers, body = read_http(sock)
self.assert_('content-length' in headers)
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('GET /b HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
response_line, headers, body = read_http(sock)
self.assert_('transfer-encoding' in headers)
self.assert_(headers['transfer-encoding'] == 'chunked')
def test_016_repeated_content_length(self):
"""
content-length header was being doubled up if it was set in
start_response and could also be inferred from the iterator
"""
def wsgi_app(environ, start_response):
start_response('200 OK', [('Content-Length', '7')])
return ['testing']
self.site.application = wsgi_app
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('GET /a HTTP/1.1\r\nHost: localhost\r\nConnection: close\r\n\r\n')
fd.flush()
header_lines = []
while True:
line = fd.readline()
if line == '\r\n':
break
else:
header_lines.append(line)
self.assertEquals(1, len([l for l in header_lines
if l.lower().startswith('content-length')]))
def test_017_ssl_zeroreturnerror(self):
def server(sock, site, log):
try:
serv = wsgi.Server(sock, sock.getsockname(), site, log)
client_socket = sock.accept()
serv.process_request(client_socket)
return True
except:
import traceback
traceback.print_exc()
return False
def wsgi_app(environ, start_response):
start_response('200 OK', [])
return [environ['wsgi.input'].read()]
certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
private_key_file = os.path.join(os.path.dirname(__file__), 'test_server.key')
sock = api.ssl_listener(('localhost', 0), certificate_file, private_key_file)
from eventlet import coros
server_coro = coros.execute(server, sock, wsgi_app, self.logfile)
client = api.connect_tcp(('localhost', sock.getsockname()[1]))
client = util.wrap_ssl(client)
client.write('X') # non-empty payload so that SSL handshake occurs
greenio.shutdown_safe(client)
client.close()
success = server_coro.wait()
self.assert_(success)
def test_018_http_10_keepalive(self):
# verify that if an http/1.0 client sends connection: keep-alive
# that we don't close the connection
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.0\r\nHost: localhost\r\nConnection: keep-alive\r\n\r\n')
fd.flush()
response_line, headers, body = read_http(sock)
self.assert_('connection' in headers)
self.assertEqual('keep-alive', headers['connection'])
# repeat request to verify connection is actually still open
fd.write('GET / HTTP/1.0\r\nHost: localhost\r\nConnection: keep-alive\r\n\r\n')
fd.flush()
response_line, headers, body = read_http(sock)
self.assert_('connection' in headers)
self.assertEqual('keep-alive', headers['connection'])
def test_019_fieldstorage_compat(self):
def use_fieldstorage(environ, start_response):
import cgi
fs = cgi.FieldStorage(fp=environ['wsgi.input'],
environ=environ)
start_response('200 OK', [('Content-type', 'text/plain')])
return ['hello!']
self.site.application = use_fieldstorage
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('POST / HTTP/1.1\r\n'
'Host: localhost\r\n'
'Connection: close\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'2\r\noh\r\n'
'4\r\n hai\r\n0\r\n\r\n')
fd.flush()
self.assert_('hello!' in fd.read())
def test_020_x_forwarded_for(self):
sock = api.connect_tcp(('localhost', self.port))
sock.sendall('GET / HTTP/1.1\r\nHost: localhost\r\nX-Forwarded-For: 1.2.3.4, 5.6.7.8\r\n\r\n')
sock.recv(1024)
sock.close()
self.assert_('1.2.3.4,5.6.7.8,127.0.0.1' in self.logfile.getvalue())
# turning off the option should work too
self.logfile = StringIO()
api.kill(self.killer)
listener = api.tcp_listener(('localhost', 0))
self.port = listener.getsockname()[1]
self.killer = api.spawn(
wsgi.server,
listener,
self.site,
max_size=128,
log=self.logfile,
log_x_forwarded_for=False)
sock = api.connect_tcp(('localhost', self.port))
sock.sendall('GET / HTTP/1.1\r\nHost: localhost\r\nX-Forwarded-For: 1.2.3.4, 5.6.7.8\r\n\r\n')
sock.recv(1024)
sock.close()
self.assert_('1.2.3.4' not in self.logfile.getvalue())
self.assert_('5.6.7.8' not in self.logfile.getvalue())
self.assert_('127.0.0.1' in self.logfile.getvalue())
def test_021_environ_clobbering(self):
def clobberin_time(environ, start_response):
for environ_var in ['wsgi.version', 'wsgi.url_scheme',
'wsgi.input', 'wsgi.errors', 'wsgi.multithread',
'wsgi.multiprocess', 'wsgi.run_once', 'REQUEST_METHOD',
'SCRIPT_NAME', 'PATH_INFO', 'QUERY_STRING', 'CONTENT_TYPE',
'CONTENT_LENGTH', 'SERVER_NAME', 'SERVER_PORT',
'SERVER_PROTOCOL']:
environ[environ_var] = None
start_response('200 OK', [('Content-type', 'text/plain')])
return []
self.site.application = clobberin_time
sock = api.connect_tcp(('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.1\r\n'
'Host: localhost\r\n'
'Connection: close\r\n'
'\r\n\r\n')
fd.flush()
self.assert_('200 OK' in fd.read())
def test_022_custom_pool(self):
# just test that it accepts the parameter for now
# TODO: test that it uses the pool and that you can waitall() to
# ensure that all clients finished
from eventlet import pool
p = pool.Pool(max_size=5)
api.kill(self.killer)
listener = api.tcp_listener(('localhost', 0))
self.port = listener.getsockname()[1]
self.killer = api.spawn(
wsgi.server,
listener,
self.site,
max_size=128,
log=self.logfile,
custom_pool=p)
# this stuff is copied from test_001_server, could be better factored
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.0\r\nHost: localhost\r\n\r\n')
fd.flush()
result = fd.read()
fd.close()
self.assert_(result.startswith('HTTP'), result)
self.assert_(result.endswith('hello world'))
def test_023_bad_content_length(self):
sock = api.connect_tcp(
('localhost', self.port))
fd = sock.makefile()
fd.write('GET / HTTP/1.0\r\nHost: localhost\r\nContent-length: argh\r\n\r\n')
fd.flush()
result = fd.read()
fd.close()
self.assert_(result.startswith('HTTP'), result)
self.assert_('400 Bad Request' in result)
self.assert_('500' not in result)
if __name__ == '__main__':
main()