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calibre-web/vendor/werkzeug/testsuite/test.py
2016-04-27 17:47:31 +02:00

402 lines
17 KiB
Python

# -*- coding: utf-8 -*-
"""
werkzeug.testsuite.test
~~~~~~~~~~~~~~~~~~~~~~~
Tests the testing tools.
:copyright: (c) 2013 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import sys
import unittest
from io import BytesIO
from werkzeug._compat import iteritems, to_bytes
from werkzeug.testsuite import WerkzeugTestCase
from werkzeug.wrappers import Request, Response, BaseResponse
from werkzeug.test import Client, EnvironBuilder, create_environ, \
ClientRedirectError, stream_encode_multipart, run_wsgi_app
from werkzeug.utils import redirect
from werkzeug.formparser import parse_form_data
from werkzeug.datastructures import MultiDict
def cookie_app(environ, start_response):
"""A WSGI application which sets a cookie, and returns as a ersponse any
cookie which exists.
"""
response = Response(environ.get('HTTP_COOKIE', 'No Cookie'),
mimetype='text/plain')
response.set_cookie('test', 'test')
return response(environ, start_response)
def redirect_loop_app(environ, start_response):
response = redirect('http://localhost/some/redirect/')
return response(environ, start_response)
def redirect_with_get_app(environ, start_response):
req = Request(environ)
if req.url not in ('http://localhost/',
'http://localhost/first/request',
'http://localhost/some/redirect/'):
assert False, 'redirect_demo_app() did not expect URL "%s"' % req.url
if '/some/redirect' not in req.url:
response = redirect('http://localhost/some/redirect/')
else:
response = Response('current url: %s' % req.url)
return response(environ, start_response)
def redirect_with_post_app(environ, start_response):
req = Request(environ)
if req.url == 'http://localhost/some/redirect/':
assert req.method == 'GET', 'request should be GET'
assert not req.form, 'request should not have data'
response = Response('current url: %s' % req.url)
else:
response = redirect('http://localhost/some/redirect/')
return response(environ, start_response)
def external_redirect_demo_app(environ, start_response):
response = redirect('http://example.com/')
return response(environ, start_response)
def external_subdomain_redirect_demo_app(environ, start_response):
if 'test.example.com' in environ['HTTP_HOST']:
response = Response('redirected successfully to subdomain')
else:
response = redirect('http://test.example.com/login')
return response(environ, start_response)
def multi_value_post_app(environ, start_response):
req = Request(environ)
assert req.form['field'] == 'val1', req.form['field']
assert req.form.getlist('field') == ['val1', 'val2'], req.form.getlist('field')
response = Response('ok')
return response(environ, start_response)
class TestTestCase(WerkzeugTestCase):
def test_cookie_forging(self):
c = Client(cookie_app)
c.set_cookie('localhost', 'foo', 'bar')
appiter, code, headers = c.open()
self.assert_strict_equal(list(appiter), [b'foo=bar'])
def test_set_cookie_app(self):
c = Client(cookie_app)
appiter, code, headers = c.open()
self.assert_in('Set-Cookie', dict(headers))
def test_cookiejar_stores_cookie(self):
c = Client(cookie_app)
appiter, code, headers = c.open()
self.assert_in('test', c.cookie_jar._cookies['localhost.local']['/'])
def test_no_initial_cookie(self):
c = Client(cookie_app)
appiter, code, headers = c.open()
self.assert_strict_equal(b''.join(appiter), b'No Cookie')
def test_resent_cookie(self):
c = Client(cookie_app)
c.open()
appiter, code, headers = c.open()
self.assert_strict_equal(b''.join(appiter), b'test=test')
def test_disable_cookies(self):
c = Client(cookie_app, use_cookies=False)
c.open()
appiter, code, headers = c.open()
self.assert_strict_equal(b''.join(appiter), b'No Cookie')
def test_cookie_for_different_path(self):
c = Client(cookie_app)
c.open('/path1')
appiter, code, headers = c.open('/path2')
self.assert_strict_equal(b''.join(appiter), b'test=test')
def test_environ_builder_basics(self):
b = EnvironBuilder()
self.assert_is_none(b.content_type)
b.method = 'POST'
self.assert_equal(b.content_type, 'application/x-www-form-urlencoded')
b.files.add_file('test', BytesIO(b'test contents'), 'test.txt')
self.assert_equal(b.files['test'].content_type, 'text/plain')
self.assert_equal(b.content_type, 'multipart/form-data')
b.form['test'] = 'normal value'
req = b.get_request()
b.close()
self.assert_strict_equal(req.url, u'http://localhost/')
self.assert_strict_equal(req.method, 'POST')
self.assert_strict_equal(req.form['test'], u'normal value')
self.assert_equal(req.files['test'].content_type, 'text/plain')
self.assert_strict_equal(req.files['test'].filename, u'test.txt')
self.assert_strict_equal(req.files['test'].read(), b'test contents')
def test_environ_builder_headers(self):
b = EnvironBuilder(environ_base={'HTTP_USER_AGENT': 'Foo/0.1'},
environ_overrides={'wsgi.version': (1, 1)})
b.headers['X-Suck-My-Dick'] = 'very well sir'
env = b.get_environ()
self.assert_strict_equal(env['HTTP_USER_AGENT'], 'Foo/0.1')
self.assert_strict_equal(env['HTTP_X_SUCK_MY_DICK'], 'very well sir')
self.assert_strict_equal(env['wsgi.version'], (1, 1))
b.headers['User-Agent'] = 'Bar/1.0'
env = b.get_environ()
self.assert_strict_equal(env['HTTP_USER_AGENT'], 'Bar/1.0')
def test_environ_builder_paths(self):
b = EnvironBuilder(path='/foo', base_url='http://example.com/')
self.assert_strict_equal(b.base_url, 'http://example.com/')
self.assert_strict_equal(b.path, '/foo')
self.assert_strict_equal(b.script_root, '')
self.assert_strict_equal(b.host, 'example.com')
b = EnvironBuilder(path='/foo', base_url='http://example.com/bar')
self.assert_strict_equal(b.base_url, 'http://example.com/bar/')
self.assert_strict_equal(b.path, '/foo')
self.assert_strict_equal(b.script_root, '/bar')
self.assert_strict_equal(b.host, 'example.com')
b.host = 'localhost'
self.assert_strict_equal(b.base_url, 'http://localhost/bar/')
b.base_url = 'http://localhost:8080/'
self.assert_strict_equal(b.host, 'localhost:8080')
self.assert_strict_equal(b.server_name, 'localhost')
self.assert_strict_equal(b.server_port, 8080)
b.host = 'foo.invalid'
b.url_scheme = 'https'
b.script_root = '/test'
env = b.get_environ()
self.assert_strict_equal(env['SERVER_NAME'], 'foo.invalid')
self.assert_strict_equal(env['SERVER_PORT'], '443')
self.assert_strict_equal(env['SCRIPT_NAME'], '/test')
self.assert_strict_equal(env['PATH_INFO'], '/foo')
self.assert_strict_equal(env['HTTP_HOST'], 'foo.invalid')
self.assert_strict_equal(env['wsgi.url_scheme'], 'https')
self.assert_strict_equal(b.base_url, 'https://foo.invalid/test/')
def test_environ_builder_content_type(self):
builder = EnvironBuilder()
self.assert_is_none(builder.content_type)
builder.method = 'POST'
self.assert_equal(builder.content_type, 'application/x-www-form-urlencoded')
builder.form['foo'] = 'bar'
self.assert_equal(builder.content_type, 'application/x-www-form-urlencoded')
builder.files.add_file('blafasel', BytesIO(b'foo'), 'test.txt')
self.assert_equal(builder.content_type, 'multipart/form-data')
req = builder.get_request()
self.assert_strict_equal(req.form['foo'], u'bar')
self.assert_strict_equal(req.files['blafasel'].read(), b'foo')
def test_environ_builder_stream_switch(self):
d = MultiDict(dict(foo=u'bar', blub=u'blah', hu=u'hum'))
for use_tempfile in False, True:
stream, length, boundary = stream_encode_multipart(
d, use_tempfile, threshold=150)
self.assert_true(isinstance(stream, BytesIO) != use_tempfile)
form = parse_form_data({'wsgi.input': stream, 'CONTENT_LENGTH': str(length),
'CONTENT_TYPE': 'multipart/form-data; boundary="%s"' %
boundary})[1]
self.assert_strict_equal(form, d)
stream.close()
def test_create_environ(self):
env = create_environ('/foo?bar=baz', 'http://example.org/')
expected = {
'wsgi.multiprocess': False,
'wsgi.version': (1, 0),
'wsgi.run_once': False,
'wsgi.errors': sys.stderr,
'wsgi.multithread': False,
'wsgi.url_scheme': 'http',
'SCRIPT_NAME': '',
'CONTENT_TYPE': '',
'CONTENT_LENGTH': '0',
'SERVER_NAME': 'example.org',
'REQUEST_METHOD': 'GET',
'HTTP_HOST': 'example.org',
'PATH_INFO': '/foo',
'SERVER_PORT': '80',
'SERVER_PROTOCOL': 'HTTP/1.1',
'QUERY_STRING': 'bar=baz'
}
for key, value in iteritems(expected):
self.assert_equal(env[key], value)
self.assert_strict_equal(env['wsgi.input'].read(0), b'')
self.assert_strict_equal(create_environ('/foo', 'http://example.com/')['SCRIPT_NAME'], '')
def test_file_closing(self):
closed = []
class SpecialInput(object):
def read(self):
return ''
def close(self):
closed.append(self)
env = create_environ(data={'foo': SpecialInput()})
self.assert_strict_equal(len(closed), 1)
builder = EnvironBuilder()
builder.files.add_file('blah', SpecialInput())
builder.close()
self.assert_strict_equal(len(closed), 2)
def test_follow_redirect(self):
env = create_environ('/', base_url='http://localhost')
c = Client(redirect_with_get_app)
appiter, code, headers = c.open(environ_overrides=env, follow_redirects=True)
self.assert_strict_equal(code, '200 OK')
self.assert_strict_equal(b''.join(appiter), b'current url: http://localhost/some/redirect/')
# Test that the :cls:`Client` is aware of user defined response wrappers
c = Client(redirect_with_get_app, response_wrapper=BaseResponse)
resp = c.get('/', follow_redirects=True)
self.assert_strict_equal(resp.status_code, 200)
self.assert_strict_equal(resp.data, b'current url: http://localhost/some/redirect/')
# test with URL other than '/' to make sure redirected URL's are correct
c = Client(redirect_with_get_app, response_wrapper=BaseResponse)
resp = c.get('/first/request', follow_redirects=True)
self.assert_strict_equal(resp.status_code, 200)
self.assert_strict_equal(resp.data, b'current url: http://localhost/some/redirect/')
def test_follow_external_redirect(self):
env = create_environ('/', base_url='http://localhost')
c = Client(external_redirect_demo_app)
self.assert_raises(RuntimeError, lambda:
c.get(environ_overrides=env, follow_redirects=True))
def test_follow_external_redirect_on_same_subdomain(self):
env = create_environ('/', base_url='http://example.com')
c = Client(external_subdomain_redirect_demo_app, allow_subdomain_redirects=True)
c.get(environ_overrides=env, follow_redirects=True)
# check that this does not work for real external domains
env = create_environ('/', base_url='http://localhost')
self.assert_raises(RuntimeError, lambda:
c.get(environ_overrides=env, follow_redirects=True))
# check that subdomain redirects fail if no `allow_subdomain_redirects` is applied
c = Client(external_subdomain_redirect_demo_app)
self.assert_raises(RuntimeError, lambda:
c.get(environ_overrides=env, follow_redirects=True))
def test_follow_redirect_loop(self):
c = Client(redirect_loop_app, response_wrapper=BaseResponse)
with self.assert_raises(ClientRedirectError):
resp = c.get('/', follow_redirects=True)
def test_follow_redirect_with_post(self):
c = Client(redirect_with_post_app, response_wrapper=BaseResponse)
resp = c.post('/', follow_redirects=True, data='foo=blub+hehe&blah=42')
self.assert_strict_equal(resp.status_code, 200)
self.assert_strict_equal(resp.data, b'current url: http://localhost/some/redirect/')
def test_path_info_script_name_unquoting(self):
def test_app(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/plain')])
return [environ['PATH_INFO'] + '\n' + environ['SCRIPT_NAME']]
c = Client(test_app, response_wrapper=BaseResponse)
resp = c.get('/foo%40bar')
self.assert_strict_equal(resp.data, b'/foo@bar\n')
c = Client(test_app, response_wrapper=BaseResponse)
resp = c.get('/foo%40bar', 'http://localhost/bar%40baz')
self.assert_strict_equal(resp.data, b'/foo@bar\n/bar@baz')
def test_multi_value_submit(self):
c = Client(multi_value_post_app, response_wrapper=BaseResponse)
data = {
'field': ['val1','val2']
}
resp = c.post('/', data=data)
self.assert_strict_equal(resp.status_code, 200)
c = Client(multi_value_post_app, response_wrapper=BaseResponse)
data = MultiDict({
'field': ['val1', 'val2']
})
resp = c.post('/', data=data)
self.assert_strict_equal(resp.status_code, 200)
def test_iri_support(self):
b = EnvironBuilder(u'/föö-bar', base_url=u'http://☃.net/')
self.assert_strict_equal(b.path, '/f%C3%B6%C3%B6-bar')
self.assert_strict_equal(b.base_url, 'http://xn--n3h.net/')
def test_run_wsgi_apps(self):
def simple_app(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/html')])
return ['Hello World!']
app_iter, status, headers = run_wsgi_app(simple_app, {})
self.assert_strict_equal(status, '200 OK')
self.assert_strict_equal(list(headers), [('Content-Type', 'text/html')])
self.assert_strict_equal(app_iter, ['Hello World!'])
def yielding_app(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/html')])
yield 'Hello '
yield 'World!'
app_iter, status, headers = run_wsgi_app(yielding_app, {})
self.assert_strict_equal(status, '200 OK')
self.assert_strict_equal(list(headers), [('Content-Type', 'text/html')])
self.assert_strict_equal(list(app_iter), ['Hello ', 'World!'])
def test_multiple_cookies(self):
@Request.application
def test_app(request):
response = Response(repr(sorted(request.cookies.items())))
response.set_cookie(u'test1', b'foo')
response.set_cookie(u'test2', b'bar')
return response
client = Client(test_app, Response)
resp = client.get('/')
self.assert_strict_equal(resp.data, b'[]')
resp = client.get('/')
self.assert_strict_equal(resp.data,
to_bytes(repr([('test1', u'foo'), ('test2', u'bar')]), 'ascii'))
def test_correct_open_invocation_on_redirect(self):
class MyClient(Client):
counter = 0
def open(self, *args, **kwargs):
self.counter += 1
env = kwargs.setdefault('environ_overrides', {})
env['werkzeug._foo'] = self.counter
return Client.open(self, *args, **kwargs)
@Request.application
def test_app(request):
return Response(str(request.environ['werkzeug._foo']))
c = MyClient(test_app, response_wrapper=Response)
self.assert_strict_equal(c.get('/').data, b'1')
self.assert_strict_equal(c.get('/').data, b'2')
self.assert_strict_equal(c.get('/').data, b'3')
def test_correct_encoding(self):
req = Request.from_values(u'/\N{SNOWMAN}', u'http://example.com/foo')
self.assert_strict_equal(req.script_root, u'/foo')
self.assert_strict_equal(req.path, u'/\N{SNOWMAN}')
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(TestTestCase))
return suite