python-future/future/tests/test_httpservers.py at native_stdlib · dev-zero/python-future · GitHub

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# coding: utf-8

"""Unittests for the various HTTPServer modules.

From Python 3.3

Written by Cody A.W. Somerville <cody-somerville@ubuntu.com>,

Josip Dzolonga, and Michael Otteneder for the 2007/08 GHOP contest.

"""

from __future__ import (absolute_import, division,

print_function, unicode_literals)

from future import standard_library, utils

with standard_library.hooks():

from http.server import BaseHTTPRequestHandler, HTTPServer, \

SimpleHTTPRequestHandler, CGIHTTPRequestHandler

from http import server

import http.client

from future.standard_library.test import support

from future.builtins import *

import os

import sys

import re

import base64

import shutil

import tempfile

from io import BytesIO

from future.tests.base import unittest, skip26

TestCase = unittest.TestCase

threading = support.import_module('threading')

class NoLogRequestHandler(object):

def log_message(self, *args):

# don't write log messages to stderr

pass

def read(self, n=None):

return ''

class TestServerThread(threading.Thread):

def __init__(self, test_object, request_handler):

threading.Thread.__init__(self)

self.request_handler = request_handler

self.test_object = test_object

def run(self):

self.server = HTTPServer(('localhost', 0), self.request_handler)

self.test_object.HOST, self.test_object.PORT = self.server.socket.getsockname()

self.test_object.server_started.set()

self.test_object = None

try:

self.server.serve_forever(0.05)

finally:

self.server.server_close()

def stop(self):

self.server.shutdown()

@skip26

class BaseTestCase(TestCase):

def setUp(self):

self._threads = support.threading_setup()

os.environ = support.EnvironmentVarGuard()

self.server_started = threading.Event()

self.thread = TestServerThread(self, self.request_handler)

self.thread.start()

self.server_started.wait()

def tearDown(self):

self.thread.stop()

self.thread = None

os.environ.__exit__()

support.threading_cleanup(*self._threads)

def request(self, uri, method='GET', body=None, headers={}):

self.connection = http.client.HTTPConnection(self.HOST, self.PORT)

self.connection.request(method, uri, body, headers)

return self.connection.getresponse()

class BaseHTTPServerTestCase(BaseTestCase):

class request_handler(NoLogRequestHandler, BaseHTTPRequestHandler):

protocol_version = 'HTTP/1.1'

default_request_version = 'HTTP/1.1'

def do_TEST(self):

self.send_response(204)

self.send_header('Content-Type', 'text/html')

self.send_header('Connection', 'close')

self.end_headers()

def do_KEEP(self):

self.send_response(204)

self.send_header('Content-Type', 'text/html')

self.send_header('Connection', 'keep-alive')

self.end_headers()

def do_KEYERROR(self):

self.send_error(999)

def do_CUSTOM(self):

self.send_response(999)

self.send_header('Content-Type', 'text/html')

self.send_header('Connection', 'close')

self.end_headers()

def do_LATINONEHEADER(self):

self.send_response(999)

self.send_header('X-Special', 'Dängerous Mind')

self.send_header('Connection', 'close')

self.end_headers()

body = self.headers['x-special-incoming'].encode('utf-8')

self.wfile.write(body)

def setUp(self):

BaseTestCase.setUp(self)

self.con = http.client.HTTPConnection(self.HOST, self.PORT)

self.con.connect()

def test_command(self):

self.con.request('GET', '/')

res = self.con.getresponse()

self.assertEqual(res.status, 501)

def test_request_line_trimming(self):

self.con._http_vsn_str = 'HTTP/1.1\n'

self.con.putrequest('GET', '/')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 501)

def test_version_bogus(self):

self.con._http_vsn_str = 'FUBAR'

self.con.putrequest('GET', '/')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 400)

def test_version_digits(self):

self.con._http_vsn_str = 'HTTP/9.9.9'

self.con.putrequest('GET', '/')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 400)

def test_version_none_get(self):

self.con._http_vsn_str = ''

self.con.putrequest('GET', '/')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 501)

def test_version_none(self):

self.con._http_vsn_str = ''

self.con.putrequest('PUT', '/')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 400)

def test_version_invalid(self):

self.con._http_vsn = 99

self.con._http_vsn_str = 'HTTP/9.9'

self.con.putrequest('GET', '/')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 505)

def test_send_blank(self):

self.con._http_vsn_str = ''

self.con.putrequest('', '')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 400)

def test_header_close(self):

self.con.putrequest('GET', '/')

self.con.putheader('Connection', 'close')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 501)

def test_head_keep_alive(self):

self.con._http_vsn_str = 'HTTP/1.1'

self.con.putrequest('GET', '/')

self.con.putheader('Connection', 'keep-alive')

self.con.endheaders()

res = self.con.getresponse()

self.assertEqual(res.status, 501)

def test_handler(self):

self.con.request('TEST', '/')

res = self.con.getresponse()

self.assertEqual(res.status, 204)

def test_return_header_keep_alive(self):

self.con.request('KEEP', '/')

res = self.con.getresponse()

self.assertEqual(res.getheader('Connection'), 'keep-alive')

self.con.request('TEST', '/')

self.addCleanup(self.con.close)

def test_internal_key_error(self):

self.con.request('KEYERROR', '/')

res = self.con.getresponse()

self.assertEqual(res.status, 999)

def test_return_custom_status(self):

self.con.request('CUSTOM', '/')

res = self.con.getresponse()

self.assertEqual(res.status, 999)

@unittest.skip('Unicode bug in Py2.7 email.parser.parsestr ?')

def test_latin1_header(self):

self.con.request('LATINONEHEADER', '/', headers={

'X-Special-Incoming': 'Ärger mit Unicode'

})

res = self.con.getresponse()

self.assertEqual(res.getheader('X-Special'), 'Dängerous Mind')

self.assertEqual(res.read(), 'Ärger mit Unicode'.encode('utf-8'))

class SimpleHTTPServerTestCase(BaseTestCase):

class request_handler(NoLogRequestHandler, SimpleHTTPRequestHandler):

pass

def setUp(self):

BaseTestCase.setUp(self)

self.cwd = os.getcwd()

basetempdir = tempfile.gettempdir()

os.chdir(basetempdir)

self.data = bytes(b'We are the knights who say Ni!')

self.tempdir = tempfile.mkdtemp(dir=basetempdir)

self.tempdir_name = os.path.basename(self.tempdir)

with open(os.path.join(self.tempdir, 'test'), 'wb') as temp:

temp.write(self.data)

def tearDown(self):

try:

os.chdir(self.cwd)

try:

shutil.rmtree(self.tempdir)

except:

pass

finally:

BaseTestCase.tearDown(self)

def check_status_and_reason(self, response, status, data=None):

body = response.read()

self.assertTrue(response)

self.assertEqual(response.status, status)

self.assertIsNotNone(response.reason)

if data:

self.assertEqual(data, body)

def test_get(self):

#constructs the path relative to the root directory of the HTTPServer

response = self.request(self.tempdir_name + '/test')

self.check_status_and_reason(response, 200, data=self.data)

response = self.request(self.tempdir_name + '/')

self.check_status_and_reason(response, 200)

response = self.request(self.tempdir_name)

self.check_status_and_reason(response, 301)

response = self.request('/ThisDoesNotExist')

self.check_status_and_reason(response, 404)

response = self.request('/' + 'ThisDoesNotExist' + '/')

self.check_status_and_reason(response, 404)

with open(os.path.join(self.tempdir_name, 'index.html'), 'w') as f:

response = self.request('/' + self.tempdir_name + '/')

self.check_status_and_reason(response, 200)

# chmod() doesn't work as expected on Windows, and filesystem

# permissions are ignored by root on Unix.

if os.name == 'posix' and os.geteuid() != 0:

os.chmod(self.tempdir, 0)

response = self.request(self.tempdir_name + '/')

self.check_status_and_reason(response, 404)

os.chmod(self.tempdir, 0o755)

def test_head(self):

response = self.request(

self.tempdir_name + '/test', method='HEAD')

self.check_status_and_reason(response, 200)

self.assertEqual(response.getheader('content-length'),

str(len(self.data)))

self.assertEqual(response.getheader('content-type'),

'application/octet-stream')

def test_invalid_requests(self):

response = self.request('/', method='FOO')

self.check_status_and_reason(response, 501)

# requests must be case sensitive,so this should fail too

response = self.request('/', method='get')

self.check_status_and_reason(response, 501)

response = self.request('/', method='GETs')

self.check_status_and_reason(response, 501)

cgi_file1 = """\

#!%s

print("Content-type: text/html")

print()

print("Hello World")

"""

cgi_file2 = """\

#!%s

import cgi

print("Content-type: text/html")

print()

form = cgi.FieldStorage()

print("%%s, %%s, %%s" %% (form.getfirst("spam"), form.getfirst("eggs"),

form.getfirst("bacon")))

"""

@unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,

"This test can't be run reliably as root (issue #13308).")

class CGIHTTPServerTestCase(BaseTestCase):

class request_handler(NoLogRequestHandler, CGIHTTPRequestHandler):

pass

linesep = os.linesep.encode('ascii')

def setUp(self):

BaseTestCase.setUp(self)

self.cwd = os.getcwd()

self.parent_dir = tempfile.mkdtemp()

self.cgi_dir = os.path.join(self.parent_dir, 'cgi-bin')

os.mkdir(self.cgi_dir)

self.file1_path = None

self.file2_path = None

# The shebang line should be pure ASCII: use symlink if possible.

# See issue #7668.

if support.can_symlink():

self.pythonexe = os.path.join(self.parent_dir, 'python')

os.symlink(sys.executable, self.pythonexe)

else:

self.pythonexe = sys.executable

try:

# The python executable path is written as the first line of the

# CGI Python script. The encoding cookie cannot be used, and so the

# path should be encodable to the default script encoding (utf-8)

self.pythonexe.encode('utf-8')

except UnicodeEncodeError:

self.tearDown()

self.skipTest("Python executable path is not encodable to utf-8")

self.file1_path = os.path.join(self.cgi_dir, 'file1.py')

with open(self.file1_path, 'w', encoding='utf-8') as file1:

file1.write(cgi_file1 % self.pythonexe)

os.chmod(self.file1_path, 0o777)

self.file2_path = os.path.join(self.cgi_dir, 'file2.py')

with open(self.file2_path, 'w', encoding='utf-8') as file2:

file2.write(cgi_file2 % self.pythonexe)

os.chmod(self.file2_path, 0o777)

os.chdir(self.parent_dir)

def tearDown(self):

try:

os.chdir(self.cwd)

if self.pythonexe != sys.executable:

os.remove(self.pythonexe)

if self.file1_path:

os.remove(self.file1_path)

if self.file2_path:

os.remove(self.file2_path)

os.rmdir(self.cgi_dir)

os.rmdir(self.parent_dir)

finally:

BaseTestCase.tearDown(self)

def test_url_collapse_path(self):

# verify tail is the last portion and head is the rest on proper urls

test_vectors = {

'': '//',

'..': IndexError,

'/.//..': IndexError,

'/': '//',

'//': '//',

'/\\': '//\\',

'/.//': '//',

'cgi-bin/file1.py': '/cgi-bin/file1.py',

'/cgi-bin/file1.py': '/cgi-bin/file1.py',

'a': '//a',

'/a': '//a',

'//a': '//a',

'./a': '//a',

'./C:/': '/C:/',

'/a/b': '/a/b',

'/a/b/': '/a/b/',

'/a/b/.': '/a/b/',

'/a/b/c/..': '/a/b/',

'/a/b/c/../d': '/a/b/d',

'/a/b/c/../d/e/../f': '/a/b/d/f',

'/a/b/c/../d/e/../../f': '/a/b/f',

'/a/b/c/../d/e/.././././..//f': '/a/b/f',

'../a/b/c/../d/e/.././././..//f': IndexError,

'/a/b/c/../d/e/../../../f': '/a/f',

'/a/b/c/../d/e/../../../../f': '//f',

'/a/b/c/../d/e/../../../../../f': IndexError,

'/a/b/c/../d/e/../../../../f/..': '//',

'/a/b/c/../d/e/../../../../f/../.': '//',

}

for path, expected in test_vectors.items():

if isinstance(expected, type) and issubclass(expected, Exception):

self.assertRaises(expected,

server._url_collapse_path, path)

else:

actual = server._url_collapse_path(path)

self.assertEqual(expected, actual,

msg='path = %r\nGot: %r\nWanted: %r' %

(path, actual, expected))

@unittest.expectedFailure

def test_headers_and_content(self):

res = self.request('/cgi-bin/file1.py')

self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),

(res.read(), res.getheader('Content-type'), res.status))

@unittest.expectedFailure

def test_post(self):

from future.standard_library.urllib.parse import urlencode

params = urlencode(

{'spam' : 1, 'eggs' : 'python', 'bacon' : 123456})

headers = {'Content-type' : 'application/x-www-form-urlencoded'}

res = self.request('/cgi-bin/file2.py', 'POST', params, headers)

self.assertEqual(res.read(), b'1, python, 123456' + self.linesep)

def test_invaliduri(self):

res = self.request('/cgi-bin/invalid')

res.read()

self.assertEqual(res.status, 404)

@unittest.expectedFailure

def test_authorization(self):

headers = {bytes(b'Authorization') : bytes(b'Basic ') +

base64.b64encode(bytes(b'username:pass'))}

res = self.request('/cgi-bin/file1.py', 'GET', headers=headers)

self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),

(res.read(), res.getheader('Content-type'), res.status))

@unittest.expectedFailure

def test_no_leading_slash(self):

# http://bugs.python.org/issue2254

res = self.request('cgi-bin/file1.py')

self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),

(res.read(), res.getheader('Content-type'), res.status))

@unittest.expectedFailure

def test_os_environ_is_not_altered(self):

signature = "Test CGI Server"

os.environ['SERVER_SOFTWARE'] = signature

res = self.request('/cgi-bin/file1.py')

self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),

(res.read(), res.getheader('Content-type'), res.status))

self.assertEqual(os.environ['SERVER_SOFTWARE'], signature)

class SocketlessRequestHandler(SimpleHTTPRequestHandler, object):

def __init__(self):

self.get_called = False

self.protocol_version = "HTTP/1.1"

def do_GET(self):

self.get_called = True

self.send_response(200)

self.send_header('Content-Type', 'text/html')

self.end_headers()

self.wfile.write(bytes(b'<html><body>Data</body></html>\r\n'))

def log_message(self, format, *args):

pass

class RejectingSocketlessRequestHandler(SocketlessRequestHandler):

def handle_expect_100(self):

self.send_error(417)

return False

class AuditableBytesIO(object):

def __init__(self):

self.datas = []

def write(self, data):

self.datas.append(data)

def getData(self):

return bytes(b'').join(self.datas)

@property

def numWrites(self):

return len(self.datas)

@skip26

class BaseHTTPRequestHandlerTestCase(TestCase):

"""Test the functionality of the BaseHTTPServer.

Test the support for the Expect 100-continue header.

"""

HTTPResponseMatch = re.compile(b'HTTP/1.[0-9]+ 200 OK')

def setUp (self):

self.handler = SocketlessRequestHandler()

def send_typical_request(self, message):

input = BytesIO(message)

output = BytesIO()

self.handler.rfile = input

self.handler.wfile = output

self.handler.handle_one_request()

output.seek(0)

return output.readlines()

def verify_get_called(self):

self.assertTrue(self.handler.get_called)

def verify_expected_headers(self, headers):

for fieldName in b'Server: ', b'Date: ', b'Content-Type: ':

self.assertEqual(sum(h.startswith(fieldName) for h in headers), 1)

def verify_http_server_response(self, response):

match = self.HTTPResponseMatch.search(response)

self.assertTrue(match is not None)

def test_http_1_1(self):

result = self.send_typical_request(bytes(b'GET / HTTP/1.1\r\n\r\n'))

self.verify_http_server_response(result[0])

self.verify_expected_headers(result[1:-1])

self.verify_get_called()

self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')

def test_http_1_0(self):

result = self.send_typical_request(bytes(b'GET / HTTP/1.0\r\n\r\n'))

self.verify_http_server_response(result[0])

self.verify_expected_headers(result[1:-1])

self.verify_get_called()

self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')

def test_http_0_9(self):

result = self.send_typical_request(bytes(b'GET / HTTP/0.9\r\n\r\n'))

self.assertEqual(len(result), 1)

self.assertEqual(result[0], b'<html><body>Data</body></html>\r\n')

self.verify_get_called()

def test_with_continue_1_0(self):

result = self.send_typical_request(bytes(b'GET / HTTP/1.0\r\nExpect: 100-continue\r\n\r\n'))

self.verify_http_server_response(result[0])

self.verify_expected_headers(result[1:-1])

self.verify_get_called()

self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')

@unittest.skipIf(utils.PY3, 'not working on Py3.3.4 for some reason ...')

def test_with_continue_1_1(self):

result = self.send_typical_request(bytes(b'GET / HTTP/1.1\r\nExpect: 100-continue\r\n\r\n'))

self.assertEqual(result[0], b'HTTP/1.1 100 Continue\r\n')

self.assertEqual(result[1], b'HTTP/1.1 200 OK\r\n')

self.verify_expected_headers(result[2:-1])

self.verify_get_called()

self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')

def test_header_buffering_of_send_error(self):

input = BytesIO(bytes(b'GET / HTTP/1.1\r\n\r\n'))

output = AuditableBytesIO()

handler = SocketlessRequestHandler()

handler.rfile = input

handler.wfile = output

handler.request_version = 'HTTP/1.1'

handler.requestline = ''

handler.command = None

handler.send_error(418)

self.assertEqual(output.numWrites, 2)

def test_header_buffering_of_send_response_only(self):

input = BytesIO(bytes(b'GET / HTTP/1.1\r\n\r\n'))

output = AuditableBytesIO()

handler = SocketlessRequestHandler()

handler.rfile = input

handler.wfile = output

handler.request_version = 'HTTP/1.1'

handler.send_response_only(418)

self.assertEqual(output.numWrites, 0)

handler.end_headers()

self.assertEqual(output.numWrites, 1)

def test_header_buffering_of_send_header(self):

input = BytesIO(bytes(b'GET / HTTP/1.1\r\n\r\n'))

output = AuditableBytesIO()

handler = SocketlessRequestHandler()

handler.rfile = input

handler.wfile = output

handler.request_version = 'HTTP/1.1'

handler.send_header('Foo', 'foo')

handler.send_header('bar', 'bar')

self.assertEqual(output.numWrites, 0)

handler.end_headers()

self.assertEqual(output.getData(), b'Foo: foo\r\nbar: bar\r\n\r\n')

self.assertEqual(output.numWrites, 1)

@unittest.skipIf(utils.PY3, 'not working on Py3.3.4 for some reason ...')

def test_header_unbuffered_when_continue(self):

def _readAndReseek(f):

pos = f.tell()

f.seek(0)

data = f.read()

f.seek(pos)

return data

input = BytesIO(bytes(b'GET / HTTP/1.1\r\nExpect: 100-continue\r\n\r\n'))

output = BytesIO()

self.handler.rfile = input

self.handler.wfile = output

self.handler.request_version = 'HTTP/1.1'

self.handler.handle_one_request()

self.assertNotEqual(_readAndReseek(output), b'')

result = _readAndReseek(output).split(bytes(b'\r\n'))

self.assertEqual(result[0], b'HTTP/1.1 100 Continue')

self.assertEqual(result[1], b'HTTP/1.1 200 OK')

def test_with_continue_rejected(self):

usual_handler = self.handler # Save to avoid breaking any subsequent tests.

self.handler = RejectingSocketlessRequestHandler()

result = self.send_typical_request(bytes(b'GET / HTTP/1.1\r\nExpect: 100-continue\r\n\r\n'))

self.assertEqual(result[0], b'HTTP/1.1 417 Expectation Failed\r\n')

self.verify_expected_headers(result[1:-1])

# The expect handler should short circuit the usual get method by

# returning false here, so get_called should be false

self.assertFalse(self.handler.get_called)

self.assertEqual(sum(r == b'Connection: close\r\n' for r in result[1:-1]), 1)

self.handler = usual_handler # Restore to avoid breaking any subsequent tests.

def test_request_length(self):

# Issue #10714: huge request lines are discarded, to avoid Denial

# of Service attacks.

result = self.send_typical_request(bytes(b'GET ') + bytes(b'x') * 65537)

self.assertEqual(result[0], b'HTTP/1.1 414 Request-URI Too Long\r\n')

self.assertFalse(self.handler.get_called)

def test_header_length(self):

# Issue #6791: same for headers

result = self.send_typical_request(

bytes(b'GET / HTTP/1.1\r\nX-Foo: bar') + bytes(b'r') * 65537 + bytes(b'\r\n\r\n'))

self.assertEqual(result[0], b'HTTP/1.1 400 Line too long\r\n')

self.assertFalse(self.handler.get_called)

@skip26

class SimpleHTTPRequestHandlerTestCase(TestCase):

""" Test url parsing """

def setUp(self):

self.translated = os.getcwd()

self.translated = os.path.join(self.translated, 'filename')

self.handler = SocketlessRequestHandler()

def test_query_arguments(self):

path = self.handler.translate_path('/filename')

self.assertEqual(path, self.translated)

path = self.handler.translate_path('/filename?foo=bar')

self.assertEqual(path, self.translated)

path = self.handler.translate_path('/filename?a=b&spam=eggs#zot')

self.assertEqual(path, self.translated)

def test_start_with_double_slash(self):

path = self.handler.translate_path('//filename')

self.assertEqual(path, self.translated)

path = self.handler.translate_path('//filename?foo=bar')

self.assertEqual(path, self.translated)

class DummyTest(TestCase):

"""

It might help on travis-ci to have at least one test being executed

for this module.

"""

def test_nothing(self):

self.assertTrue(True)

def test_main(verbose=None):

cwd = os.getcwd()

try:

support.run_unittest(

BaseHTTPRequestHandlerTestCase,

BaseHTTPServerTestCase,

SimpleHTTPServerTestCase,

CGIHTTPServerTestCase,

SimpleHTTPRequestHandlerTestCase,

)

finally:

os.chdir(cwd)

if __name__ == '__main__':

test_main()

python-future/future/tests/test_httpservers.py at native_stdlib · dev-zero/python-future · GitHub

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