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import unittest
from webob.request import Request
from webob.response import Response
from webob.dec import wsgify
from webob.compat import bytes_
from webob.compat import text_
class DecoratorTests(unittest.TestCase):
def _testit(self, app, req):
if isinstance(req, str):
req = Request.blank(req)
resp = req.get_response(app)
return resp
def test_wsgify(self):
resp_str = 'hey, this is a test: %s'
@wsgify
def test_app(req):
return bytes_(resp_str % req.url)
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body,
bytes_(resp_str % 'http://localhost/a%20url'))
self.assertEqual(resp.content_length, 45)
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
def test_wsgify_empty_repr(self):
self.assertTrue('wsgify at' in repr(wsgify()))
def test_wsgify_args(self):
resp_str = b'hey hey my my'
@wsgify(args=(resp_str,))
def test_app(req, strarg):
return strarg
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, resp_str)
self.assertEqual(resp.content_length, 13)
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
def test_wsgify_kwargs(self):
resp_str = b'hey hey my my'
@wsgify(kwargs=dict(strarg=resp_str))
def test_app(req, strarg=''):
return strarg
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, resp_str)
self.assertEqual(resp.content_length, 13)
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
def test_wsgify_raise_httpexception(self):
from webob.exc import HTTPBadRequest
@wsgify
def test_app(req):
raise HTTPBadRequest
resp = self._testit(test_app, '/a url')
self.assertTrue(resp.body.startswith(b'400 Bad Request'))
self.assertEqual(resp.content_type, 'text/plain')
self.assertEqual(resp.charset, 'UTF-8')
def test_wsgify_no___get__(self):
# use a class instance instead of a fn so we wrap something w/
# no __get__
class TestApp(object):
def __call__(self, req):
return 'nothing to see here'
test_app = wsgify(TestApp())
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, b'nothing to see here')
self.assertTrue(test_app.__get__(test_app) is test_app)
def test_wsgify_app_returns_unicode(self):
def test_app(req):
return text_('some text')
test_app = wsgify(test_app)
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, b'some text')
def test_wsgify_args_no_func(self):
test_app = wsgify(None, args=(1,))
self.assertRaises(TypeError, self._testit, test_app, '/a url')
def test_wsgify_call_args(self):
resp_str = "args: %s, kwargs: %s"
def show_vars(req, *args, **kwargs):
return bytes_(resp_str % (sorted(args), sorted(kwargs.items())))
app = wsgify(show_vars, args=('foo', 'bar'), kwargs={'a': 1, 'b': 2})
resp = app(Request.blank('/'))
self.assertEqual(resp,
bytes_(resp_str % ("['bar', 'foo']",
"[('a', 1), ('b', 2)]")))
def test_wsgify_call_args_override(self):
resp_str = "args: %s, kwargs: %s"
def show_vars(req, *args, **kwargs):
return bytes_(resp_str % (sorted(args), sorted(kwargs.items())))
app = wsgify(show_vars, args=('foo', 'bar'), kwargs={'a': 1, 'b': 2})
resp = app(Request.blank('/'), 'qux', c=3)
self.assertEqual(resp,
bytes_(resp_str % ("['qux']", "[('c', 3)]")))
def test_wsgify_wrong_sig(self):
@wsgify
def test_app(req):
return 'What have you done for me lately?'
req = dict()
self.assertRaises(TypeError, test_app, req, 1, 2)
self.assertRaises(TypeError, test_app, req, 1, key='word')
def test_wsgify_none_response(self):
@wsgify
def test_app(req):
return
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, b'')
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.content_length, 0)
def test_wsgify_get(self):
resp_str = b"What'choo talkin' about, Willis?"
@wsgify
def test_app(req):
return Response(resp_str)
resp = test_app.get('/url/path')
self.assertEqual(resp.body, resp_str)
def test_wsgify_post(self):
post_dict = dict(speaker='Robin',
words='Holy test coverage, Batman!')
@wsgify
def test_app(req):
return Response('%s: %s' % (req.POST['speaker'],
req.POST['words']))
resp = test_app.post('/url/path', post_dict)
self.assertEqual(resp.body, bytes_('%s: %s' % (post_dict['speaker'],
post_dict['words'])))
def test_wsgify_request_method(self):
resp_str = b'Nice body!'
@wsgify
def test_app(req):
self.assertEqual(req.method, 'PUT')
return Response(req.body)
resp = test_app.request('/url/path', method='PUT',
body=resp_str)
self.assertEqual(resp.body, resp_str)
self.assertEqual(resp.content_length, 10)
self.assertEqual(resp.content_type, 'text/html')
def test_wsgify_undecorated(self):
def test_app(req):
return Response('whoa')
wrapped_test_app = wsgify(test_app)
self.assertTrue(wrapped_test_app.undecorated is test_app)
def test_wsgify_custom_request(self):
resp_str = 'hey, this is a test: %s'
class MyRequest(Request):
pass
@wsgify(RequestClass=MyRequest)
def test_app(req):
return bytes_(resp_str % req.url)
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body,
bytes_(resp_str % 'http://localhost/a%20url'))
self.assertEqual(resp.content_length, 45)
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
def test_middleware(self):
resp_str = "These are the vars: %s"
@wsgify.middleware
def set_urlvar(req, app, **vars):
req.urlvars.update(vars)
return app(req)
from webob.dec import _MiddlewareFactory
self.assertTrue(set_urlvar.__class__ is _MiddlewareFactory)
r = repr(set_urlvar)
self.assertTrue('set_urlvar' in r)
@wsgify
def show_vars(req):
return resp_str % (sorted(req.urlvars.items()))
show_vars2 = set_urlvar(show_vars, a=1, b=2)
resp = self._testit(show_vars2, '/path')
self.assertEqual(resp.body, bytes_(resp_str % "[('a', 1), ('b', 2)]"))
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
self.assertEqual(resp.content_length, 40)
def test_middleware_call_kwargs(self):
resp_str = "kwargs: %s"
@wsgify.middleware
def set_args(req, app, **kwargs):
req.urlvars = kwargs
return req.get_response(app)
@wsgify
def show_vars(req):
return resp_str % sorted(req.urlvars.items())
app = set_args(show_vars, a=1, b=2)
resp = app(Request.blank('/'))
self.assertEqual(resp.body, bytes_(resp_str % "[('a', 1), ('b', 2)]"))
def test_middleware_call_kwargs_override(self):
resp_str = "kwargs: %s"
@wsgify.middleware
def set_args(req, app, **kwargs):
req.urlvars = kwargs
return req.get_response(app)
@wsgify
def show_vars(req):
return resp_str % sorted(req.urlvars.items())
app = set_args(show_vars, a=1, b=2)
resp = app(Request.blank('/'), c=3)
self.assertEqual(resp.body,
bytes_(resp_str % "[('c', 3)]"))
def test_middleware_as_decorator(self):
resp_str = "These are the vars: %s"
@wsgify.middleware
def set_urlvar(req, app, **vars):
req.urlvars.update(vars)
return app(req)
@set_urlvar(a=1,b=2)
@wsgify
def show_vars(req):
return resp_str % (sorted(req.urlvars.items()))
resp = self._testit(show_vars, '/path')
self.assertEqual(resp.body, bytes_(resp_str % "[('a', 1), ('b', 2)]"))
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
self.assertEqual(resp.content_length, 40)
def test_unbound_middleware(self):
@wsgify
def test_app(req):
return Response('Say wha!?')
unbound = wsgify.middleware(None, test_app, some='thing')
from webob.dec import _UnboundMiddleware
self.assertTrue(unbound.__class__ is _UnboundMiddleware)
self.assertEqual(unbound.kw, dict(some='thing'))
@unbound
def middle(req, app, **kw):
return app(req)
self.assertTrue(middle.__class__ is wsgify)
self.assertTrue('test_app' in repr(unbound))
def test_unbound_middleware_no_app(self):
unbound = wsgify.middleware(None, None)
from webob.dec import _UnboundMiddleware
self.assertTrue(unbound.__class__ is _UnboundMiddleware)
self.assertEqual(unbound.kw, dict())
def test_classapp(self):
class HostMap(dict):
@wsgify
def __call__(self, req):
return self[req.host.split(':')[0]]
app = HostMap()
app['example.com'] = Response('1')
app['other.com'] = Response('2')
resp = Request.blank('http://example.com/').get_response(wsgify(app))
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.charset, 'UTF-8')
self.assertEqual(resp.content_length, 1)
self.assertEqual(resp.body, b'1')
def test_middleware_direct_call(self):
@wsgify.middleware
def mw(req, app):
return 'foo'
app = mw(Response())
self.assertEqual(app(Request.blank('/')), 'foo')
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