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from webob.request import Request
from webob.dec import wsgify
from webob.exc import no_escape
from webob.exc import strip_tags
from webob.exc import HTTPException
from webob.exc import WSGIHTTPException
from webob.exc import _HTTPMove
from webob.exc import HTTPMethodNotAllowed
from webob.exc import HTTPExceptionMiddleware
from nose.tools import eq_, ok_, assert_equal, assert_raises
@wsgify
def method_not_allowed_app(req):
if req.method != 'GET':
raise HTTPMethodNotAllowed()
return 'hello!'
def test_noescape_null():
assert_equal(no_escape(None), '')
def test_noescape_not_basestring():
assert_equal(no_escape(42), '42')
def test_noescape_unicode():
class DummyUnicodeObject(object):
def __unicode__(self):
return '42'
duo = DummyUnicodeObject()
assert_equal(no_escape(duo), '42')
def test_strip_tags_empty():
assert_equal(strip_tags(''), '')
def test_strip_tags_newline_to_space():
assert_equal(strip_tags('a\nb'), 'a b')
def test_strip_tags_zaps_carriage_return():
assert_equal(strip_tags('a\rb'), 'ab')
def test_strip_tags_br_to_newline():
assert_equal(strip_tags('a<br/>b'), 'a\nb')
def test_strip_tags_zaps_comments():
assert_equal(strip_tags('a<!--b-->'), 'ab')
def test_strip_tags_zaps_tags():
assert_equal(strip_tags('foo<bar>baz</bar>'), 'foobaz')
def test_HTTPException():
import warnings
_called = []
_result = object()
def _response(environ, start_response):
_called.append((environ, start_response))
return _result
environ = {}
start_response = object()
exc = HTTPException('testing', _response)
ok_(exc.wsgi_response is _response)
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
assert(exc.exception is exc)
assert(len(w) == 1)
result = exc(environ, start_response)
ok_(result is result)
assert_equal(_called, [(environ, start_response)])
def test_exception_with_unicode_data():
req = Request.blank('/', method='POST')
res = req.get_response(method_not_allowed_app)
assert res.status_int == 405
def test_WSGIHTTPException_headers():
exc = WSGIHTTPException(headers=[('Set-Cookie', 'a=1'),
('Set-Cookie', 'a=2')])
mixed = exc.headers.mixed()
assert mixed['set-cookie'] == ['a=1', 'a=2']
def test_WSGIHTTPException_w_body_template():
from string import Template
TEMPLATE = '$foo: $bar'
exc = WSGIHTTPException(body_template = TEMPLATE)
assert_equal(exc.body_template, TEMPLATE)
ok_(isinstance(exc.body_template_obj, Template))
eq_(exc.body_template_obj.substitute({'foo': 'FOO', 'bar': 'BAR'}),
'FOO: BAR')
def test_WSGIHTTPException_w_empty_body():
class EmptyOnly(WSGIHTTPException):
empty_body = True
exc = EmptyOnly(content_type='text/plain', content_length=234)
ok_('content_type' not in exc.__dict__)
ok_('content_length' not in exc.__dict__)
def test_WSGIHTTPException___str__():
exc1 = WSGIHTTPException(detail='Detail')
eq_(str(exc1), 'Detail')
class Explain(WSGIHTTPException):
explanation = 'Explanation'
eq_(str(Explain()), 'Explanation')
def test_WSGIHTTPException_plain_body_no_comment():
class Explain(WSGIHTTPException):
code = '999'
title = 'Testing'
explanation = 'Explanation'
exc = Explain(detail='Detail')
eq_(exc.plain_body({}),
'999 Testing\n\nExplanation\n\n Detail ')
def test_WSGIHTTPException_html_body_w_comment():
class Explain(WSGIHTTPException):
code = '999'
title = 'Testing'
explanation = 'Explanation'
exc = Explain(detail='Detail', comment='Comment')
eq_(exc.html_body({}),
'<html>\n'
' <head>\n'
' <title>999 Testing</title>\n'
' </head>\n'
' <body>\n'
' <h1>999 Testing</h1>\n'
' Explanation<br /><br />\n'
'Detail\n'
'<!-- Comment -->\n\n'
' </body>\n'
'</html>'
)
def test_WSGIHTTPException_generate_response():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'PUT',
'HTTP_ACCEPT': 'text/html'
}
excep = WSGIHTTPException()
assert_equal( excep(environ,start_response), [
b'<html>\n'
b' <head>\n'
b' <title>None None</title>\n'
b' </head>\n'
b' <body>\n'
b' <h1>None None</h1>\n'
b' <br /><br />\n'
b'\n'
b'\n\n'
b' </body>\n'
b'</html>' ]
)
def test_WSGIHTTPException_call_w_body():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'PUT'
}
excep = WSGIHTTPException()
excep.body = b'test'
assert_equal( excep(environ,start_response), [b'test'] )
def test_WSGIHTTPException_wsgi_response():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD'
}
excep = WSGIHTTPException()
assert_equal( excep.wsgi_response(environ,start_response), [] )
def test_WSGIHTTPException_exception_newstyle():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD'
}
excep = WSGIHTTPException()
from webob import exc
exc.newstyle_exceptions = True
assert_equal( excep(environ,start_response), [] )
def test_WSGIHTTPException_exception_no_newstyle():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD'
}
excep = WSGIHTTPException()
from webob import exc
exc.newstyle_exceptions = False
assert_equal( excep(environ,start_response), [] )
def test_HTTPMove():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD',
'PATH_INFO': '/',
}
m = _HTTPMove()
assert_equal( m( environ, start_response ), [] )
def test_HTTPMove_location_not_none():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD',
'PATH_INFO': '/',
}
m = _HTTPMove(location='http://example.com')
assert_equal( m( environ, start_response ), [] )
def test_HTTPMove_add_slash_and_location():
def start_response(status, headers, exc_info=None):
pass
assert_raises( TypeError, _HTTPMove, location='http://example.com',
add_slash=True )
def test_HTTPMove_call_add_slash():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD',
'PATH_INFO': '/',
}
m = _HTTPMove()
m.add_slash = True
assert_equal( m( environ, start_response ), [] )
def test_HTTPMove_call_query_string():
def start_response(status, headers, exc_info=None):
pass
environ = {
'wsgi.url_scheme': 'HTTP',
'SERVER_NAME': 'localhost',
'SERVER_PORT': '80',
'REQUEST_METHOD': 'HEAD'
}
m = _HTTPMove()
m.add_slash = True
environ[ 'QUERY_STRING' ] = 'querystring'
environ['PATH_INFO'] = '/'
assert_equal( m( environ, start_response ), [] )
def test_HTTPExceptionMiddleware_ok():
def app( environ, start_response ):
return '123'
application = app
m = HTTPExceptionMiddleware(application)
environ = {}
start_response = None
res = m( environ, start_response )
assert_equal( res, '123' )
def test_HTTPExceptionMiddleware_exception():
def wsgi_response( environ, start_response):
return '123'
def app( environ, start_response ):
raise HTTPException( None, wsgi_response )
application = app
m = HTTPExceptionMiddleware(application)
environ = {}
start_response = None
res = m( environ, start_response )
assert_equal( res, '123' )
def test_HTTPExceptionMiddleware_exception_exc_info_none():
class DummySys:
def exc_info(self):
return None
def wsgi_response( environ, start_response):
return start_response('200 OK', [], exc_info=None)
def app( environ, start_response ):
raise HTTPException( None, wsgi_response )
application = app
m = HTTPExceptionMiddleware(application)
environ = {}
def start_response(status, headers, exc_info):
pass
try:
from webob import exc
old_sys = exc.sys
sys = DummySys()
res = m( environ, start_response )
assert_equal( res, None )
finally:
exc.sys = old_sys
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