620 lines
18 KiB
Python
Executable File
620 lines
18 KiB
Python
Executable File
from __future__ import nested_scopes # Backward compat for 2.1
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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
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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, demo_app
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from wsgiref.simple_server import make_server
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from StringIO import StringIO
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from SocketServer import BaseServer
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import os
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import re
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import sys
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from test import test_support
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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 ["Hello, world!"]
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def run_amock(app=hello_app, data="GET / HTTP/1.0\n\n"):
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server = make_server("", 80, app, MockServer, MockHandler)
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inp, out, err, olderr = StringIO(data), StringIO(), StringIO(), sys.stderr
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sys.stderr = err
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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 it.next()==item: raise AssertionError
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try:
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it.next()
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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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self.assertEqual(out,
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"HTTP/1.0 200 OK\r\n"
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"Server: WSGIServer/0.1 Python/"+sys.version.split()[0]+"\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!"
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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_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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"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: <type 'tuple'>"
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)
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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.assertTrue(isinstance(env[key],StringIO))
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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.assertTrue(env[key] is 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', StringIO("")),
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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://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/spammity/spam",
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SCRIPT_NAME="/spammity", PATH_INFO="/spam")
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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", 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')]
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self.assertEqual(len(Headers([])),0)
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self.assertEqual(len(Headers(test[:])),1)
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self.assertEqual(Headers(test[:]).keys(), ['x'])
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self.assertEqual(Headers(test[:]).values(), ['y'])
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self.assertEqual(Headers(test[:]).items(), test)
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self.assertFalse(Headers(test).items() is test) # must be copy!
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h=Headers([])
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del h['foo'] # should not raise an error
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h['Foo'] = 'bar'
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for m in h.has_key, h.__contains__, h.get, h.get_all, h.__getitem__:
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self.assertTrue(m('foo'))
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self.assertTrue(m('Foo'))
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self.assertTrue(m('FOO'))
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self.assertFalse(m('bar'))
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self.assertEqual(h['foo'],'bar')
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h['foo'] = 'baz'
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self.assertEqual(h['FOO'],'baz')
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self.assertEqual(h.get_all('foo'),['baz'])
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self.assertEqual(h.get("foo","whee"), "baz")
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self.assertEqual(h.get("zoo","whee"), "whee")
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self.assertEqual(h.setdefault("foo","whee"), "baz")
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self.assertEqual(h.setdefault("zoo","whee"), "whee")
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self.assertEqual(h["foo"],"baz")
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self.assertEqual(h["zoo"],"whee")
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def testRequireList(self):
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self.assertRaises(TypeError, Headers, "foo")
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def testExtras(self):
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h = Headers([])
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self.assertEqual(str(h),'\r\n')
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h.add_header('foo','bar',baz="spam")
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self.assertEqual(h['foo'], 'bar; baz="spam"')
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self.assertEqual(str(h),'foo: bar; baz="spam"\r\n\r\n')
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h.add_header('Foo','bar',cheese=None)
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self.assertEqual(h.get_all('foo'),
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['bar; baz="spam"', 'bar; cheese'])
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self.assertEqual(str(h),
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'foo: bar; baz="spam"\r\n'
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'Foo: bar; cheese\r\n'
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'\r\n'
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)
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class ErrorHandler(BaseCGIHandler):
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"""Simple handler subclass for testing BaseHandler"""
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# BaseHandler records the OS environment at import time, but envvars
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# might have been changed later by other tests, which trips up
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# HandlerTests.testEnviron().
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os_environ = dict(os.environ.items())
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def __init__(self,**kw):
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setup_testing_defaults(kw)
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BaseCGIHandler.__init__(
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self, StringIO(''), StringIO(), StringIO(), kw,
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multithread=True, multiprocess=True
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)
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class TestHandler(ErrorHandler):
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"""Simple handler subclass for testing BaseHandler, w/error passthru"""
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def handle_error(self):
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raise # for testing, we want to see what's happening
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class HandlerTests(TestCase):
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def checkEnvironAttrs(self, handler):
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env = handler.environ
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for attr in [
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'version','multithread','multiprocess','run_once','file_wrapper'
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]:
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if attr=='file_wrapper' and handler.wsgi_file_wrapper is None:
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continue
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self.assertEqual(getattr(handler,'wsgi_'+attr),env['wsgi.'+attr])
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def checkOSEnviron(self,handler):
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empty = {}; setup_testing_defaults(empty)
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env = handler.environ
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from os import environ
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for k,v in environ.items():
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if not empty.has_key(k):
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self.assertEqual(env[k],v)
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for k,v in empty.items():
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self.assertTrue(env.has_key(k))
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def testEnviron(self):
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h = TestHandler(X="Y")
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h.setup_environ()
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self.checkEnvironAttrs(h)
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self.checkOSEnviron(h)
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self.assertEqual(h.environ["X"],"Y")
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def testCGIEnviron(self):
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h = BaseCGIHandler(None,None,None,{})
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h.setup_environ()
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for key in 'wsgi.url_scheme', 'wsgi.input', 'wsgi.errors':
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self.assertTrue(h.environ.has_key(key))
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def testScheme(self):
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h=TestHandler(HTTPS="on"); h.setup_environ()
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self.assertEqual(h.environ['wsgi.url_scheme'],'https')
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h=TestHandler(); h.setup_environ()
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self.assertEqual(h.environ['wsgi.url_scheme'],'http')
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def testAbstractMethods(self):
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h = BaseHandler()
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for name in [
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'_flush','get_stdin','get_stderr','add_cgi_vars'
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]:
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self.assertRaises(NotImplementedError, getattr(h,name))
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self.assertRaises(NotImplementedError, h._write, "test")
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def testContentLength(self):
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# Demo one reason iteration is better than write()... ;)
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def trivial_app1(e,s):
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s('200 OK',[])
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return [e['wsgi.url_scheme']]
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def trivial_app2(e,s):
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s('200 OK',[])(e['wsgi.url_scheme'])
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return []
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h = TestHandler()
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h.run(trivial_app1)
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self.assertEqual(h.stdout.getvalue(),
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"Status: 200 OK\r\n"
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"Content-Length: 4\r\n"
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"\r\n"
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"http")
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h = TestHandler()
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h.run(trivial_app2)
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self.assertEqual(h.stdout.getvalue(),
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"Status: 200 OK\r\n"
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"\r\n"
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"http")
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def testBasicErrorOutput(self):
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def non_error_app(e,s):
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s('200 OK',[])
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return []
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def error_app(e,s):
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raise AssertionError("This should be caught by handler")
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h = ErrorHandler()
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h.run(non_error_app)
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self.assertEqual(h.stdout.getvalue(),
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"Status: 200 OK\r\n"
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"Content-Length: 0\r\n"
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"\r\n")
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self.assertEqual(h.stderr.getvalue(),"")
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h = ErrorHandler()
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h.run(error_app)
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self.assertEqual(h.stdout.getvalue(),
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"Status: %s\r\n"
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"Content-Type: text/plain\r\n"
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"Content-Length: %d\r\n"
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"\r\n%s" % (h.error_status,len(h.error_body),h.error_body))
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self.assertNotEqual(h.stderr.getvalue().find("AssertionError"), -1)
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def testErrorAfterOutput(self):
|
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MSG = "Some output has been sent"
|
|
def error_app(e,s):
|
|
s("200 OK",[])(MSG)
|
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raise AssertionError("This should be caught by handler")
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|
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h = ErrorHandler()
|
|
h.run(error_app)
|
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self.assertEqual(h.stdout.getvalue(),
|
|
"Status: 200 OK\r\n"
|
|
"\r\n"+MSG)
|
|
self.assertNotEqual(h.stderr.getvalue().find("AssertionError"), -1)
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def testHeaderFormats(self):
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|
|
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"
|
|
)
|
|
|
|
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(),"")
|
|
else:
|
|
self.assertTrue(
|
|
re.match(stdpat%(version,sw), h.stdout.getvalue()),
|
|
(stdpat%(version,sw), h.stdout.getvalue())
|
|
)
|
|
|
|
# This epilogue is needed for compatibility with the Python 2.5 regrtest module
|
|
|
|
def test_main():
|
|
test_support.run_unittest(__name__)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
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# the above lines intentionally left blank
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