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import unittest
from webob import Request
from webob import Response
from webob.dec import _format_args
from webob.dec import _func_name
from webob.dec import wsgify
class DecoratorTests(unittest.TestCase):
def _testit(self, app, req):
if isinstance(req, basestring):
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 resp_str % req.url
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, 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')
self.assertEqual('%r' % (test_app,), 'wsgify(tests.test_dec.test_app)')
def test_wsgify_empty_repr(self):
self.assertEqual('%r' % (wsgify(),), 'wsgify()')
def test_wsgify_args(self):
resp_str = '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')
self.assertEqual('%r' % (test_app,),
"wsgify(tests.test_dec.test_app, args=('%s',))" % resp_str)
def test_wsgify_kwargs(self):
resp_str = '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')
self.assertEqual('%r' % test_app,
"wsgify(tests.test_dec.test_app, "
"kwargs={'strarg': '%s'})" % resp_str)
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.assert_(resp.body.startswith('400 Bad Request'))
self.assertEqual(resp.content_type, 'text/plain')
self.assertEqual(resp.charset, 'UTF-8')
self.assertEqual('%r' % test_app,
"wsgify(tests.test_dec.test_app)")
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, 'nothing to see here')
self.assert_(test_app.__get__(test_app) is test_app)
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_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, '')
self.assertEqual(resp.content_type, 'text/html')
self.assertEqual(resp.content_length, 0)
def test_wsgify_get(self):
resp_str = "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, '%s: %s' % (post_dict['speaker'],
post_dict['words']))
def test_wsgify_request_method(self):
resp_str = '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.assert_(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 resp_str % req.url
resp = self._testit(test_app, '/a url')
self.assertEqual(resp.body, 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')
self.assertEqual('%r' % (test_app,), "wsgify(tests.test_dec.test_app, "
"RequestClass=<class 'tests.test_dec.MyRequest'>)")
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.assert_(set_urlvar.__class__ is _MiddlewareFactory)
repr = '%r' % (set_urlvar,)
self.assert_(repr.startswith('wsgify.middleware(<function set_urlvar at '))
@wsgify
def show_vars(req):
return resp_str % (sorted(req.urlvars.items()))
show_vars2 = set_urlvar(show_vars, a=1, b=2)
self.assertEqual('%r' % (show_vars2,),
'wsgify.middleware(tests.test_dec.set_urlvar)'
'(wsgify(tests.test_dec.show_vars), a=1, b=2)')
resp = self._testit(show_vars2, '/path')
self.assertEqual(resp.body, 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.assert_(unbound.__class__ is _UnboundMiddleware)
self.assertEqual(unbound.kw, dict(some='thing'))
self.assertEqual('%r' % (unbound,),
"wsgify.middleware(wsgify(tests.test_dec.test_app), "
"some='thing')")
@unbound
def middle(req, app, **kw):
return app(req)
self.assert_(middle.__class__ is wsgify)
self.assertEqual('%r' % (middle,),
"wsgify.middleware(tests.test_dec.middle)"
"(wsgify(tests.test_dec.test_app), some='thing')")
def test_unbound_middleware_no_app(self):
unbound = wsgify.middleware(None, None)
from webob.dec import _UnboundMiddleware
self.assert_(unbound.__class__ is _UnboundMiddleware)
self.assertEqual(unbound.kw, dict())
self.assertEqual('%r' % (unbound,),
"wsgify.middleware()")
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, '1')
def test__func_name(self):
def func():
pass
name = _func_name(func)
self.assertEqual(name, 'tests.test_dec.func')
name = _func_name('a')
self.assertEqual(name, "'a'")
class Klass(object):
@classmethod
def classmeth(cls):
pass
def meth(self):
pass
name = _func_name(Klass)
self.assertEqual(name, 'tests.test_dec.Klass')
k = Klass()
kname = _func_name(k)
self.assert_(kname.startswith('<tests.test_dec.Klass object at 0x'))
name = _func_name(k.meth)
self.assert_(name.startswith('tests.test_dec.%s' % kname))
self.assert_(name.endswith('>.meth'))
name = _func_name(Klass.meth)
self.assertEqual(name, 'tests.test_dec.Klass.meth')
name = _func_name(Klass.classmeth)
self.assertEqual(name, "tests.test_dec.<class "
"'tests.test_dec.Klass'>.classmeth")
def test__format_args(self):
args_rep = _format_args()
self.assertEqual(args_rep, '')
kw = dict(a=4, b=5, c=6)
args_rep = _format_args(args=(1, 2, 3), kw=kw)
self.assertEqual(args_rep, '1, 2, 3, a=4, b=5, c=6')
args_rep = _format_args(args=(1, 2, 3), kw=kw, leading_comma=True)
self.assertEqual(args_rep, ', 1, 2, 3, a=4, b=5, c=6')
class Klass(object):
a = 1
b = 2
c = 3
names = ['a', 'b', 'c']
obj = Klass()
self.assertRaises(AssertionError, _format_args, names=names)
args_rep = _format_args(obj=obj, names='a')
self.assertEqual(args_rep, 'a=1')
args_rep = _format_args(obj=obj, names=names)
self.assertEqual(args_rep, 'a=1, b=2, c=3')
args_rep = _format_args(kw=kw, defaults=dict(a=4, b=5))
self.assertEqual(args_rep, 'c=6')
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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