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v0.10.0
future/tests/test_httpservers.py
715 строк
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Ed Schofield
Remove @skipIf decorators that attempt to prevent spurious travis-ci failures; add a manual test skipping mechanism
28 окт 2013, 03:22
28 окт 2013, 03:22
e877fb0
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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 from future.builtins import * from http.server import BaseHTTPRequestHandler, HTTPServer, \ SimpleHTTPRequestHandler, CGIHTTPRequestHandler from http import server import os import sys import re import base64 import shutil # Not ported yet: # import urllib.parse # Use this instead: import urllib import http.client import tempfile from io import BytesIO from test import support from future.tests.base import unittest 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() class BaseTestCase(unittest.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): # Was: params = urllib.parse.urlencode( params = urllib.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) class BaseHTTPRequestHandlerTestCase(unittest.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') 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) 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) class SimpleHTTPRequestHandlerTestCase(unittest.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(unittest.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()