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test_dec.py
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import pytest
from webob.dec import wsgify
from webob.request import Request
from webob.response import Response
from webob.util import bytes_, text_
class TestDecorator:
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")
assert resp.body == bytes_(resp_str % "http://localhost/a%20url")
assert resp.content_length == 45
assert resp.content_type == "text/html"
assert resp.charset == "UTF-8"
def test_wsgify_empty_repr(self):
assert "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")
assert resp.body == resp_str
assert resp.content_length == 13
assert resp.content_type == "text/html"
assert 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")
assert resp.body == resp_str
assert resp.content_length == 13
assert resp.content_type == "text/html"
assert 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")
assert resp.body.startswith(b"400 Bad Request")
assert resp.content_type == "text/plain"
assert 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:
def __call__(self, req):
return "nothing to see here"
test_app = wsgify(TestApp())
resp = self._testit(test_app, "/a url")
assert resp.body == b"nothing to see here"
assert 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")
assert resp.body == b"some text"
def test_wsgify_args_no_func(self):
test_app = wsgify(None, args=(1,))
pytest.raises(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("/"))
assert 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)
assert 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()
pytest.raises(TypeError, test_app, req, 1, 2)
pytest.raises(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")
assert resp.body == b""
assert resp.content_type == "text/html"
assert 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")
assert 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("{}: {}".format(req.POST["speaker"], req.POST["words"]))
resp = test_app.post("/url/path", post_dict)
assert resp.body == bytes_(
"{}: {}".format(post_dict["speaker"], post_dict["words"])
)
def test_wsgify_request_method(self):
resp_str = b"Nice body!"
@wsgify
def test_app(req):
assert req.method == "PUT"
return Response(req.body)
resp = test_app.request("/url/path", method="PUT", body=resp_str)
assert resp.body == resp_str
assert resp.content_length == 10
assert resp.content_type == "text/html"
def test_wsgify_undecorated(self):
def test_app(req):
return Response("whoa")
wrapped_test_app = wsgify(test_app)
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 bytes_(resp_str % req.url)
resp = self._testit(test_app, "/a url")
assert resp.body == bytes_(resp_str % "http://localhost/a%20url")
assert resp.content_length == 45
assert resp.content_type == "text/html"
assert 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
assert set_urlvar.__class__ is _MiddlewareFactory
r = repr(set_urlvar)
assert "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")
assert resp.body == bytes_(resp_str % "[('a', 1), ('b', 2)]")
assert resp.content_type == "text/html"
assert resp.charset == "UTF-8"
assert 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("/"))
assert 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)
assert 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")
assert resp.body == bytes_(resp_str % "[('a', 1), ('b', 2)]")
assert resp.content_type == "text/html"
assert resp.charset == "UTF-8"
assert 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
assert unbound.__class__ is _UnboundMiddleware
assert unbound.kw == dict(some="thing")
@unbound
def middle(req, app, **kw):
return app(req)
assert middle.__class__ is wsgify
assert "test_app" in repr(unbound)
def test_unbound_middleware_no_app(self):
unbound = wsgify.middleware(None, None)
from webob.dec import _UnboundMiddleware
assert unbound.__class__ is _UnboundMiddleware
assert 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))
assert resp.content_type == "text/html"
assert resp.charset == "UTF-8"
assert resp.content_length == 1
assert resp.body == b"1"
def test_middleware_direct_call(self):
@wsgify.middleware
def mw(req, app):
return "foo"
app = mw(Response())
assert app(Request.blank("/")) == "foo"