859 lines
30 KiB
Python
859 lines
30 KiB
Python
from unittest import mock
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from test import support
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from test.test_httpservers import NoLogRequestHandler
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from unittest import TestCase
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from wsgiref.util import setup_testing_defaults
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from wsgiref.headers import Headers
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from wsgiref.handlers import BaseHandler, BaseCGIHandler, SimpleHandler
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from wsgiref import util
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from wsgiref.validate import validator
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from wsgiref.simple_server import WSGIServer, WSGIRequestHandler
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from wsgiref.simple_server import make_server
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from http.client import HTTPConnection
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from io import StringIO, BytesIO, BufferedReader
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from socketserver import BaseServer
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from platform import python_implementation
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import os
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import re
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import signal
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import sys
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import threading
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import unittest
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class MockServer(WSGIServer):
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"""Non-socket HTTP server"""
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def __init__(self, server_address, RequestHandlerClass):
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BaseServer.__init__(self, server_address, RequestHandlerClass)
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self.server_bind()
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def server_bind(self):
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host, port = self.server_address
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self.server_name = host
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self.server_port = port
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self.setup_environ()
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class MockHandler(WSGIRequestHandler):
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"""Non-socket HTTP handler"""
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def setup(self):
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self.connection = self.request
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self.rfile, self.wfile = self.connection
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def finish(self):
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pass
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def hello_app(environ,start_response):
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start_response("200 OK", [
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('Content-Type','text/plain'),
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('Date','Mon, 05 Jun 2006 18:49:54 GMT')
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])
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return [b"Hello, world!"]
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def header_app(environ, start_response):
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start_response("200 OK", [
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('Content-Type', 'text/plain'),
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('Date', 'Mon, 05 Jun 2006 18:49:54 GMT')
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])
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return [';'.join([
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environ['HTTP_X_TEST_HEADER'], environ['QUERY_STRING'],
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environ['PATH_INFO']
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]).encode('iso-8859-1')]
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def run_amock(app=hello_app, data=b"GET / HTTP/1.0\n\n"):
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server = make_server("", 80, app, MockServer, MockHandler)
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inp = BufferedReader(BytesIO(data))
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out = BytesIO()
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olderr = sys.stderr
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err = sys.stderr = StringIO()
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try:
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server.finish_request((inp, out), ("127.0.0.1",8888))
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finally:
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sys.stderr = olderr
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return out.getvalue(), err.getvalue()
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def compare_generic_iter(make_it,match):
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"""Utility to compare a generic 2.1/2.2+ iterator with an iterable
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If running under Python 2.2+, this tests the iterator using iter()/next(),
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as well as __getitem__. 'make_it' must be a function returning a fresh
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iterator to be tested (since this may test the iterator twice)."""
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it = make_it()
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n = 0
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for item in match:
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if not it[n]==item: raise AssertionError
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n+=1
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try:
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it[n]
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except IndexError:
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pass
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else:
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raise AssertionError("Too many items from __getitem__",it)
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try:
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iter, StopIteration
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except NameError:
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pass
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else:
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# Only test iter mode under 2.2+
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it = make_it()
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if not iter(it) is it: raise AssertionError
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for item in match:
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if not next(it) == item: raise AssertionError
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try:
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next(it)
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except StopIteration:
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pass
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else:
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raise AssertionError("Too many items from .__next__()", it)
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class IntegrationTests(TestCase):
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def check_hello(self, out, has_length=True):
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pyver = (python_implementation() + "/" +
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sys.version.split()[0])
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self.assertEqual(out,
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("HTTP/1.0 200 OK\r\n"
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"Server: WSGIServer/0.2 " + pyver +"\r\n"
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"Content-Type: text/plain\r\n"
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"Date: Mon, 05 Jun 2006 18:49:54 GMT\r\n" +
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(has_length and "Content-Length: 13\r\n" or "") +
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"\r\n"
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"Hello, world!").encode("iso-8859-1")
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)
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def test_plain_hello(self):
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out, err = run_amock()
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self.check_hello(out)
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def test_environ(self):
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request = (
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b"GET /p%61th/?query=test HTTP/1.0\n"
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b"X-Test-Header: Python test \n"
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b"X-Test-Header: Python test 2\n"
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b"Content-Length: 0\n\n"
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)
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out, err = run_amock(header_app, request)
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self.assertEqual(
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out.splitlines()[-1],
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b"Python test,Python test 2;query=test;/path/"
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)
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def test_request_length(self):
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out, err = run_amock(data=b"GET " + (b"x" * 65537) + b" HTTP/1.0\n\n")
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self.assertEqual(out.splitlines()[0],
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b"HTTP/1.0 414 Request-URI Too Long")
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def test_validated_hello(self):
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out, err = run_amock(validator(hello_app))
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# the middleware doesn't support len(), so content-length isn't there
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self.check_hello(out, has_length=False)
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def test_simple_validation_error(self):
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def bad_app(environ,start_response):
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start_response("200 OK", ('Content-Type','text/plain'))
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return ["Hello, world!"]
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out, err = run_amock(validator(bad_app))
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self.assertTrue(out.endswith(
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b"A server error occurred. Please contact the administrator."
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))
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self.assertEqual(
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err.splitlines()[-2],
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"AssertionError: Headers (('Content-Type', 'text/plain')) must"
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" be of type list: <class 'tuple'>"
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)
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def test_status_validation_errors(self):
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def create_bad_app(status):
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def bad_app(environ, start_response):
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start_response(status, [("Content-Type", "text/plain; charset=utf-8")])
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return [b"Hello, world!"]
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return bad_app
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tests = [
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('200', 'AssertionError: Status must be at least 4 characters'),
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('20X OK', 'AssertionError: Status message must begin w/3-digit code'),
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('200OK', 'AssertionError: Status message must have a space after code'),
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]
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for status, exc_message in tests:
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with self.subTest(status=status):
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out, err = run_amock(create_bad_app(status))
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self.assertTrue(out.endswith(
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b"A server error occurred. Please contact the administrator."
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))
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self.assertEqual(err.splitlines()[-2], exc_message)
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def test_wsgi_input(self):
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def bad_app(e,s):
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e["wsgi.input"].read()
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s("200 OK", [("Content-Type", "text/plain; charset=utf-8")])
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return [b"data"]
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out, err = run_amock(validator(bad_app))
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self.assertTrue(out.endswith(
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b"A server error occurred. Please contact the administrator."
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))
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self.assertEqual(
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err.splitlines()[-2], "AssertionError"
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)
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def test_bytes_validation(self):
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def app(e, s):
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s("200 OK", [
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("Content-Type", "text/plain; charset=utf-8"),
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("Date", "Wed, 24 Dec 2008 13:29:32 GMT"),
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])
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return [b"data"]
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out, err = run_amock(validator(app))
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self.assertTrue(err.endswith('"GET / HTTP/1.0" 200 4\n'))
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ver = sys.version.split()[0].encode('ascii')
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py = python_implementation().encode('ascii')
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pyver = py + b"/" + ver
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self.assertEqual(
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b"HTTP/1.0 200 OK\r\n"
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b"Server: WSGIServer/0.2 "+ pyver + b"\r\n"
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b"Content-Type: text/plain; charset=utf-8\r\n"
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b"Date: Wed, 24 Dec 2008 13:29:32 GMT\r\n"
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b"\r\n"
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b"data",
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out)
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def test_cp1252_url(self):
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def app(e, s):
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s("200 OK", [
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("Content-Type", "text/plain"),
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("Date", "Wed, 24 Dec 2008 13:29:32 GMT"),
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])
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# PEP3333 says environ variables are decoded as latin1.
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# Encode as latin1 to get original bytes
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return [e["PATH_INFO"].encode("latin1")]
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out, err = run_amock(
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validator(app), data=b"GET /\x80%80 HTTP/1.0")
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self.assertEqual(
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[
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b"HTTP/1.0 200 OK",
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mock.ANY,
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b"Content-Type: text/plain",
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b"Date: Wed, 24 Dec 2008 13:29:32 GMT",
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b"",
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b"/\x80\x80",
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],
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out.splitlines())
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def test_interrupted_write(self):
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# BaseHandler._write() and _flush() have to write all data, even if
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# it takes multiple send() calls. Test this by interrupting a send()
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# call with a Unix signal.
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pthread_kill = support.get_attribute(signal, "pthread_kill")
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def app(environ, start_response):
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start_response("200 OK", [])
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return [b'\0' * support.SOCK_MAX_SIZE]
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class WsgiHandler(NoLogRequestHandler, WSGIRequestHandler):
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pass
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server = make_server(support.HOST, 0, app, handler_class=WsgiHandler)
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self.addCleanup(server.server_close)
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interrupted = threading.Event()
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def signal_handler(signum, frame):
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interrupted.set()
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original = signal.signal(signal.SIGUSR1, signal_handler)
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self.addCleanup(signal.signal, signal.SIGUSR1, original)
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received = None
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main_thread = threading.get_ident()
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def run_client():
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http = HTTPConnection(*server.server_address)
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http.request("GET", "/")
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with http.getresponse() as response:
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response.read(100)
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# The main thread should now be blocking in a send() system
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# call. But in theory, it could get interrupted by other
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# signals, and then retried. So keep sending the signal in a
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# loop, in case an earlier signal happens to be delivered at
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# an inconvenient moment.
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while True:
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pthread_kill(main_thread, signal.SIGUSR1)
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if interrupted.wait(timeout=float(1)):
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break
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nonlocal received
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received = len(response.read())
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http.close()
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background = threading.Thread(target=run_client)
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background.start()
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server.handle_request()
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background.join()
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self.assertEqual(received, support.SOCK_MAX_SIZE - 100)
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class UtilityTests(TestCase):
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def checkShift(self,sn_in,pi_in,part,sn_out,pi_out):
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env = {'SCRIPT_NAME':sn_in,'PATH_INFO':pi_in}
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util.setup_testing_defaults(env)
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self.assertEqual(util.shift_path_info(env),part)
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self.assertEqual(env['PATH_INFO'],pi_out)
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self.assertEqual(env['SCRIPT_NAME'],sn_out)
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return env
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def checkDefault(self, key, value, alt=None):
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# Check defaulting when empty
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env = {}
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util.setup_testing_defaults(env)
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if isinstance(value, StringIO):
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self.assertIsInstance(env[key], StringIO)
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elif isinstance(value,BytesIO):
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self.assertIsInstance(env[key],BytesIO)
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else:
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self.assertEqual(env[key], value)
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# Check existing value
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env = {key:alt}
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util.setup_testing_defaults(env)
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self.assertIs(env[key], alt)
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def checkCrossDefault(self,key,value,**kw):
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util.setup_testing_defaults(kw)
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self.assertEqual(kw[key],value)
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def checkAppURI(self,uri,**kw):
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util.setup_testing_defaults(kw)
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self.assertEqual(util.application_uri(kw),uri)
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def checkReqURI(self,uri,query=1,**kw):
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util.setup_testing_defaults(kw)
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self.assertEqual(util.request_uri(kw,query),uri)
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def checkFW(self,text,size,match):
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def make_it(text=text,size=size):
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return util.FileWrapper(StringIO(text),size)
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compare_generic_iter(make_it,match)
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it = make_it()
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self.assertFalse(it.filelike.closed)
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for item in it:
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pass
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self.assertFalse(it.filelike.closed)
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it.close()
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self.assertTrue(it.filelike.closed)
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def testSimpleShifts(self):
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self.checkShift('','/', '', '/', '')
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self.checkShift('','/x', 'x', '/x', '')
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self.checkShift('/','', None, '/', '')
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self.checkShift('/a','/x/y', 'x', '/a/x', '/y')
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self.checkShift('/a','/x/', 'x', '/a/x', '/')
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def testNormalizedShifts(self):
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self.checkShift('/a/b', '/../y', '..', '/a', '/y')
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self.checkShift('', '/../y', '..', '', '/y')
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self.checkShift('/a/b', '//y', 'y', '/a/b/y', '')
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self.checkShift('/a/b', '//y/', 'y', '/a/b/y', '/')
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self.checkShift('/a/b', '/./y', 'y', '/a/b/y', '')
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self.checkShift('/a/b', '/./y/', 'y', '/a/b/y', '/')
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self.checkShift('/a/b', '///./..//y/.//', '..', '/a', '/y/')
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self.checkShift('/a/b', '///', '', '/a/b/', '')
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self.checkShift('/a/b', '/.//', '', '/a/b/', '')
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self.checkShift('/a/b', '/x//', 'x', '/a/b/x', '/')
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self.checkShift('/a/b', '/.', None, '/a/b', '')
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def testDefaults(self):
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for key, value in [
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('SERVER_NAME','127.0.0.1'),
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('SERVER_PORT', '80'),
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('SERVER_PROTOCOL','HTTP/1.0'),
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('HTTP_HOST','127.0.0.1'),
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('REQUEST_METHOD','GET'),
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('SCRIPT_NAME',''),
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('PATH_INFO','/'),
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('wsgi.version', (1,0)),
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('wsgi.run_once', 0),
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('wsgi.multithread', 0),
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('wsgi.multiprocess', 0),
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('wsgi.input', BytesIO()),
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('wsgi.errors', StringIO()),
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('wsgi.url_scheme','http'),
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]:
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self.checkDefault(key,value)
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def testCrossDefaults(self):
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self.checkCrossDefault('HTTP_HOST',"foo.bar",SERVER_NAME="foo.bar")
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self.checkCrossDefault('wsgi.url_scheme',"https",HTTPS="on")
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self.checkCrossDefault('wsgi.url_scheme',"https",HTTPS="1")
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self.checkCrossDefault('wsgi.url_scheme',"https",HTTPS="yes")
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self.checkCrossDefault('wsgi.url_scheme',"http",HTTPS="foo")
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self.checkCrossDefault('SERVER_PORT',"80",HTTPS="foo")
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self.checkCrossDefault('SERVER_PORT',"443",HTTPS="on")
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def testGuessScheme(self):
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self.assertEqual(util.guess_scheme({}), "http")
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self.assertEqual(util.guess_scheme({'HTTPS':"foo"}), "http")
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self.assertEqual(util.guess_scheme({'HTTPS':"on"}), "https")
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self.assertEqual(util.guess_scheme({'HTTPS':"yes"}), "https")
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self.assertEqual(util.guess_scheme({'HTTPS':"1"}), "https")
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def testAppURIs(self):
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self.checkAppURI("http://127.0.0.1/")
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self.checkAppURI("http://127.0.0.1/spam", SCRIPT_NAME="/spam")
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self.checkAppURI("http://127.0.0.1/sp%E4m", SCRIPT_NAME="/sp\xe4m")
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self.checkAppURI("http://spam.example.com:2071/",
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HTTP_HOST="spam.example.com:2071", SERVER_PORT="2071")
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self.checkAppURI("http://spam.example.com/",
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SERVER_NAME="spam.example.com")
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self.checkAppURI("http://127.0.0.1/",
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HTTP_HOST="127.0.0.1", SERVER_NAME="spam.example.com")
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self.checkAppURI("https://127.0.0.1/", HTTPS="on")
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self.checkAppURI("http://127.0.0.1:8000/", SERVER_PORT="8000",
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HTTP_HOST=None)
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def testReqURIs(self):
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self.checkReqURI("http://127.0.0.1/")
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self.checkReqURI("http://127.0.0.1/spam", SCRIPT_NAME="/spam")
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self.checkReqURI("http://127.0.0.1/sp%E4m", SCRIPT_NAME="/sp\xe4m")
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self.checkReqURI("http://127.0.0.1/spammity/spam",
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SCRIPT_NAME="/spammity", PATH_INFO="/spam")
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self.checkReqURI("http://127.0.0.1/spammity/sp%E4m",
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SCRIPT_NAME="/spammity", PATH_INFO="/sp\xe4m")
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self.checkReqURI("http://127.0.0.1/spammity/spam;ham",
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SCRIPT_NAME="/spammity", PATH_INFO="/spam;ham")
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self.checkReqURI("http://127.0.0.1/spammity/spam;cookie=1234,5678",
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SCRIPT_NAME="/spammity", PATH_INFO="/spam;cookie=1234,5678")
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self.checkReqURI("http://127.0.0.1/spammity/spam?say=ni",
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SCRIPT_NAME="/spammity", PATH_INFO="/spam",QUERY_STRING="say=ni")
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self.checkReqURI("http://127.0.0.1/spammity/spam?s%E4y=ni",
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SCRIPT_NAME="/spammity", PATH_INFO="/spam",QUERY_STRING="s%E4y=ni")
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self.checkReqURI("http://127.0.0.1/spammity/spam", 0,
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SCRIPT_NAME="/spammity", PATH_INFO="/spam",QUERY_STRING="say=ni")
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def testFileWrapper(self):
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self.checkFW("xyz"*50, 120, ["xyz"*40,"xyz"*10])
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def testHopByHop(self):
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for hop in (
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"Connection Keep-Alive Proxy-Authenticate Proxy-Authorization "
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"TE Trailers Transfer-Encoding Upgrade"
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).split():
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for alt in hop, hop.title(), hop.upper(), hop.lower():
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self.assertTrue(util.is_hop_by_hop(alt))
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# Not comprehensive, just a few random header names
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for hop in (
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"Accept Cache-Control Date Pragma Trailer Via Warning"
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).split():
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for alt in hop, hop.title(), hop.upper(), hop.lower():
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self.assertFalse(util.is_hop_by_hop(alt))
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class HeaderTests(TestCase):
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def testMappingInterface(self):
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|
test = [('x','y')]
|
|
self.assertEqual(len(Headers()), 0)
|
|
self.assertEqual(len(Headers([])),0)
|
|
self.assertEqual(len(Headers(test[:])),1)
|
|
self.assertEqual(Headers(test[:]).keys(), ['x'])
|
|
self.assertEqual(Headers(test[:]).values(), ['y'])
|
|
self.assertEqual(Headers(test[:]).items(), test)
|
|
self.assertIsNot(Headers(test).items(), test) # must be copy!
|
|
|
|
h = Headers()
|
|
del h['foo'] # should not raise an error
|
|
|
|
h['Foo'] = 'bar'
|
|
for m in h.__contains__, h.get, h.get_all, h.__getitem__:
|
|
self.assertTrue(m('foo'))
|
|
self.assertTrue(m('Foo'))
|
|
self.assertTrue(m('FOO'))
|
|
self.assertFalse(m('bar'))
|
|
|
|
self.assertEqual(h['foo'],'bar')
|
|
h['foo'] = 'baz'
|
|
self.assertEqual(h['FOO'],'baz')
|
|
self.assertEqual(h.get_all('foo'),['baz'])
|
|
|
|
self.assertEqual(h.get("foo","whee"), "baz")
|
|
self.assertEqual(h.get("zoo","whee"), "whee")
|
|
self.assertEqual(h.setdefault("foo","whee"), "baz")
|
|
self.assertEqual(h.setdefault("zoo","whee"), "whee")
|
|
self.assertEqual(h["foo"],"baz")
|
|
self.assertEqual(h["zoo"],"whee")
|
|
|
|
def testRequireList(self):
|
|
self.assertRaises(TypeError, Headers, "foo")
|
|
|
|
def testExtras(self):
|
|
h = Headers()
|
|
self.assertEqual(str(h),'\r\n')
|
|
|
|
h.add_header('foo','bar',baz="spam")
|
|
self.assertEqual(h['foo'], 'bar; baz="spam"')
|
|
self.assertEqual(str(h),'foo: bar; baz="spam"\r\n\r\n')
|
|
|
|
h.add_header('Foo','bar',cheese=None)
|
|
self.assertEqual(h.get_all('foo'),
|
|
['bar; baz="spam"', 'bar; cheese'])
|
|
|
|
self.assertEqual(str(h),
|
|
'foo: bar; baz="spam"\r\n'
|
|
'Foo: bar; cheese\r\n'
|
|
'\r\n'
|
|
)
|
|
|
|
class ErrorHandler(BaseCGIHandler):
|
|
"""Simple handler subclass for testing BaseHandler"""
|
|
|
|
# BaseHandler records the OS environment at import time, but envvars
|
|
# might have been changed later by other tests, which trips up
|
|
# HandlerTests.testEnviron().
|
|
os_environ = dict(os.environ.items())
|
|
|
|
def __init__(self,**kw):
|
|
setup_testing_defaults(kw)
|
|
BaseCGIHandler.__init__(
|
|
self, BytesIO(), BytesIO(), StringIO(), kw,
|
|
multithread=True, multiprocess=True
|
|
)
|
|
|
|
class TestHandler(ErrorHandler):
|
|
"""Simple handler subclass for testing BaseHandler, w/error passthru"""
|
|
|
|
def handle_error(self):
|
|
raise # for testing, we want to see what's happening
|
|
|
|
|
|
class HandlerTests(TestCase):
|
|
# testEnviron() can produce long error message
|
|
maxDiff = 80 * 50
|
|
|
|
def testEnviron(self):
|
|
os_environ = {
|
|
# very basic environment
|
|
'HOME': '/my/home',
|
|
'PATH': '/my/path',
|
|
'LANG': 'fr_FR.UTF-8',
|
|
|
|
# set some WSGI variables
|
|
'SCRIPT_NAME': 'test_script_name',
|
|
'SERVER_NAME': 'test_server_name',
|
|
}
|
|
|
|
with support.swap_attr(TestHandler, 'os_environ', os_environ):
|
|
# override X and HOME variables
|
|
handler = TestHandler(X="Y", HOME="/override/home")
|
|
handler.setup_environ()
|
|
|
|
# Check that wsgi_xxx attributes are copied to wsgi.xxx variables
|
|
# of handler.environ
|
|
for attr in ('version', 'multithread', 'multiprocess', 'run_once',
|
|
'file_wrapper'):
|
|
self.assertEqual(getattr(handler, 'wsgi_' + attr),
|
|
handler.environ['wsgi.' + attr])
|
|
|
|
# Test handler.environ as a dict
|
|
expected = {}
|
|
setup_testing_defaults(expected)
|
|
# Handler inherits os_environ variables which are not overriden
|
|
# by SimpleHandler.add_cgi_vars() (SimpleHandler.base_env)
|
|
for key, value in os_environ.items():
|
|
if key not in expected:
|
|
expected[key] = value
|
|
expected.update({
|
|
# X doesn't exist in os_environ
|
|
"X": "Y",
|
|
# HOME is overriden by TestHandler
|
|
'HOME': "/override/home",
|
|
|
|
# overriden by setup_testing_defaults()
|
|
"SCRIPT_NAME": "",
|
|
"SERVER_NAME": "127.0.0.1",
|
|
|
|
# set by BaseHandler.setup_environ()
|
|
'wsgi.input': handler.get_stdin(),
|
|
'wsgi.errors': handler.get_stderr(),
|
|
'wsgi.version': (1, 0),
|
|
'wsgi.run_once': False,
|
|
'wsgi.url_scheme': 'http',
|
|
'wsgi.multithread': True,
|
|
'wsgi.multiprocess': True,
|
|
'wsgi.file_wrapper': util.FileWrapper,
|
|
})
|
|
self.assertDictEqual(handler.environ, expected)
|
|
|
|
def testCGIEnviron(self):
|
|
h = BaseCGIHandler(None,None,None,{})
|
|
h.setup_environ()
|
|
for key in 'wsgi.url_scheme', 'wsgi.input', 'wsgi.errors':
|
|
self.assertIn(key, h.environ)
|
|
|
|
def testScheme(self):
|
|
h=TestHandler(HTTPS="on"); h.setup_environ()
|
|
self.assertEqual(h.environ['wsgi.url_scheme'],'https')
|
|
h=TestHandler(); h.setup_environ()
|
|
self.assertEqual(h.environ['wsgi.url_scheme'],'http')
|
|
|
|
def testAbstractMethods(self):
|
|
h = BaseHandler()
|
|
for name in [
|
|
'_flush','get_stdin','get_stderr','add_cgi_vars'
|
|
]:
|
|
self.assertRaises(NotImplementedError, getattr(h,name))
|
|
self.assertRaises(NotImplementedError, h._write, "test")
|
|
|
|
def testContentLength(self):
|
|
# Demo one reason iteration is better than write()... ;)
|
|
|
|
def trivial_app1(e,s):
|
|
s('200 OK',[])
|
|
return [e['wsgi.url_scheme'].encode('iso-8859-1')]
|
|
|
|
def trivial_app2(e,s):
|
|
s('200 OK',[])(e['wsgi.url_scheme'].encode('iso-8859-1'))
|
|
return []
|
|
|
|
def trivial_app3(e,s):
|
|
s('200 OK',[])
|
|
return ['\u0442\u0435\u0441\u0442'.encode("utf-8")]
|
|
|
|
def trivial_app4(e,s):
|
|
# Simulate a response to a HEAD request
|
|
s('200 OK',[('Content-Length', '12345')])
|
|
return []
|
|
|
|
h = TestHandler()
|
|
h.run(trivial_app1)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
("Status: 200 OK\r\n"
|
|
"Content-Length: 4\r\n"
|
|
"\r\n"
|
|
"http").encode("iso-8859-1"))
|
|
|
|
h = TestHandler()
|
|
h.run(trivial_app2)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
("Status: 200 OK\r\n"
|
|
"\r\n"
|
|
"http").encode("iso-8859-1"))
|
|
|
|
h = TestHandler()
|
|
h.run(trivial_app3)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
b'Status: 200 OK\r\n'
|
|
b'Content-Length: 8\r\n'
|
|
b'\r\n'
|
|
b'\xd1\x82\xd0\xb5\xd1\x81\xd1\x82')
|
|
|
|
h = TestHandler()
|
|
h.run(trivial_app4)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
b'Status: 200 OK\r\n'
|
|
b'Content-Length: 12345\r\n'
|
|
b'\r\n')
|
|
|
|
def testBasicErrorOutput(self):
|
|
|
|
def non_error_app(e,s):
|
|
s('200 OK',[])
|
|
return []
|
|
|
|
def error_app(e,s):
|
|
raise AssertionError("This should be caught by handler")
|
|
|
|
h = ErrorHandler()
|
|
h.run(non_error_app)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
("Status: 200 OK\r\n"
|
|
"Content-Length: 0\r\n"
|
|
"\r\n").encode("iso-8859-1"))
|
|
self.assertEqual(h.stderr.getvalue(),"")
|
|
|
|
h = ErrorHandler()
|
|
h.run(error_app)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
("Status: %s\r\n"
|
|
"Content-Type: text/plain\r\n"
|
|
"Content-Length: %d\r\n"
|
|
"\r\n" % (h.error_status,len(h.error_body))).encode('iso-8859-1')
|
|
+ h.error_body)
|
|
|
|
self.assertIn("AssertionError", h.stderr.getvalue())
|
|
|
|
def testErrorAfterOutput(self):
|
|
MSG = b"Some output has been sent"
|
|
def error_app(e,s):
|
|
s("200 OK",[])(MSG)
|
|
raise AssertionError("This should be caught by handler")
|
|
|
|
h = ErrorHandler()
|
|
h.run(error_app)
|
|
self.assertEqual(h.stdout.getvalue(),
|
|
("Status: 200 OK\r\n"
|
|
"\r\n".encode("iso-8859-1")+MSG))
|
|
self.assertIn("AssertionError", h.stderr.getvalue())
|
|
|
|
def testHeaderFormats(self):
|
|
|
|
def non_error_app(e,s):
|
|
s('200 OK',[])
|
|
return []
|
|
|
|
stdpat = (
|
|
r"HTTP/%s 200 OK\r\n"
|
|
r"Date: \w{3}, [ 0123]\d \w{3} \d{4} \d\d:\d\d:\d\d GMT\r\n"
|
|
r"%s" r"Content-Length: 0\r\n" r"\r\n"
|
|
)
|
|
shortpat = (
|
|
"Status: 200 OK\r\n" "Content-Length: 0\r\n" "\r\n"
|
|
).encode("iso-8859-1")
|
|
|
|
for ssw in "FooBar/1.0", None:
|
|
sw = ssw and "Server: %s\r\n" % ssw or ""
|
|
|
|
for version in "1.0", "1.1":
|
|
for proto in "HTTP/0.9", "HTTP/1.0", "HTTP/1.1":
|
|
|
|
h = TestHandler(SERVER_PROTOCOL=proto)
|
|
h.origin_server = False
|
|
h.http_version = version
|
|
h.server_software = ssw
|
|
h.run(non_error_app)
|
|
self.assertEqual(shortpat,h.stdout.getvalue())
|
|
|
|
h = TestHandler(SERVER_PROTOCOL=proto)
|
|
h.origin_server = True
|
|
h.http_version = version
|
|
h.server_software = ssw
|
|
h.run(non_error_app)
|
|
if proto=="HTTP/0.9":
|
|
self.assertEqual(h.stdout.getvalue(),b"")
|
|
else:
|
|
self.assertTrue(
|
|
re.match((stdpat%(version,sw)).encode("iso-8859-1"),
|
|
h.stdout.getvalue()),
|
|
((stdpat%(version,sw)).encode("iso-8859-1"),
|
|
h.stdout.getvalue())
|
|
)
|
|
|
|
def testBytesData(self):
|
|
def app(e, s):
|
|
s("200 OK", [
|
|
("Content-Type", "text/plain; charset=utf-8"),
|
|
])
|
|
return [b"data"]
|
|
|
|
h = TestHandler()
|
|
h.run(app)
|
|
self.assertEqual(b"Status: 200 OK\r\n"
|
|
b"Content-Type: text/plain; charset=utf-8\r\n"
|
|
b"Content-Length: 4\r\n"
|
|
b"\r\n"
|
|
b"data",
|
|
h.stdout.getvalue())
|
|
|
|
def testCloseOnError(self):
|
|
side_effects = {'close_called': False}
|
|
MSG = b"Some output has been sent"
|
|
def error_app(e,s):
|
|
s("200 OK",[])(MSG)
|
|
class CrashyIterable(object):
|
|
def __iter__(self):
|
|
while True:
|
|
yield b'blah'
|
|
raise AssertionError("This should be caught by handler")
|
|
def close(self):
|
|
side_effects['close_called'] = True
|
|
return CrashyIterable()
|
|
|
|
h = ErrorHandler()
|
|
h.run(error_app)
|
|
self.assertEqual(side_effects['close_called'], True)
|
|
|
|
def testPartialWrite(self):
|
|
written = bytearray()
|
|
|
|
class PartialWriter:
|
|
def write(self, b):
|
|
partial = b[:7]
|
|
written.extend(partial)
|
|
return len(partial)
|
|
|
|
def flush(self):
|
|
pass
|
|
|
|
environ = {"SERVER_PROTOCOL": "HTTP/1.0"}
|
|
h = SimpleHandler(BytesIO(), PartialWriter(), sys.stderr, environ)
|
|
msg = "should not do partial writes"
|
|
with self.assertWarnsRegex(DeprecationWarning, msg):
|
|
h.run(hello_app)
|
|
self.assertEqual(b"HTTP/1.0 200 OK\r\n"
|
|
b"Content-Type: text/plain\r\n"
|
|
b"Date: Mon, 05 Jun 2006 18:49:54 GMT\r\n"
|
|
b"Content-Length: 13\r\n"
|
|
b"\r\n"
|
|
b"Hello, world!",
|
|
written)
|
|
|
|
def testClientConnectionTerminations(self):
|
|
environ = {"SERVER_PROTOCOL": "HTTP/1.0"}
|
|
for exception in (
|
|
ConnectionAbortedError,
|
|
BrokenPipeError,
|
|
ConnectionResetError,
|
|
):
|
|
with self.subTest(exception=exception):
|
|
class AbortingWriter:
|
|
def write(self, b):
|
|
raise exception
|
|
|
|
stderr = StringIO()
|
|
h = SimpleHandler(BytesIO(), AbortingWriter(), stderr, environ)
|
|
h.run(hello_app)
|
|
|
|
self.assertFalse(stderr.getvalue())
|
|
|
|
def testDontResetInternalStateOnException(self):
|
|
class CustomException(ValueError):
|
|
pass
|
|
|
|
# We are raising CustomException here to trigger an exception
|
|
# during the execution of SimpleHandler.finish_response(), so
|
|
# we can easily test that the internal state of the handler is
|
|
# preserved in case of an exception.
|
|
class AbortingWriter:
|
|
def write(self, b):
|
|
raise CustomException
|
|
|
|
stderr = StringIO()
|
|
environ = {"SERVER_PROTOCOL": "HTTP/1.0"}
|
|
h = SimpleHandler(BytesIO(), AbortingWriter(), stderr, environ)
|
|
h.run(hello_app)
|
|
|
|
self.assertIn("CustomException", stderr.getvalue())
|
|
|
|
# Test that the internal state of the handler is preserved.
|
|
self.assertIsNotNone(h.result)
|
|
self.assertIsNotNone(h.headers)
|
|
self.assertIsNotNone(h.status)
|
|
self.assertIsNotNone(h.environ)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|