def test_invalid_request(self):
     del self.req.args["request"]
     try:
         wms_request(self.req)
     except RequestError as e:
         assert "request" in e.msg
     else:
         assert False, "RequestError expected"

 def test_blank_exception_handler(self):
     self.req.args['exceptions'] = 'blank'
     map_req = wms_request(self.req)
     assert isinstance(map_req.exception_handler, WMSBlankExceptionHandler)

 def test_image_exception_handler(self):
     self.req.args['exceptions'] = 'application/vnd.ogc.se_inimage'
     map_req = wms_request(self.req)
     assert isinstance(map_req.exception_handler, WMSImageExceptionHandler)

 def test_exception_handler(self):
     map_req = wms_request(self.req)
     assert isinstance(map_req.exception_handler, WMS111ExceptionHandler)

 def test_valid_request(self):
     map_req = wms_request(self.req)
     # constructor validates
     assert map_req.params.size == (984, 708)

 def test_pos_coords(self):
     req = wms_request(DummyRequest(self.base_req))
     eq_(req.params.pos_coords, (7.25, 50.5))

 def test_pos(self):
     req = wms_request(DummyRequest(self.base_req))
     eq_(req.params.pos, (100, 150))

 def test_basic_request(self):
     req = wms_request(DummyRequest(self.base_req))#, validate=False)
     assert isinstance(req, WMS111FeatureInfoRequest)

 def map_request(self, layers, auth):
     env = make_wsgi_env(MAP_REQ+'&layers=' + layers, extra_environ={'mapproxy.authorize': auth})
     req = Request(env)
     return wms_request(req)

 def fi_request(self, layers, auth):
     env = make_wsgi_env(FI_REQ+'&layers=%s&query_layers=%s' % (layers, layers),
                         extra_environ={'mapproxy.authorize': auth})
     req = Request(env)
     return wms_request(req)

 def test_invalid_request(self):
     del self.req.args['request']
     try:
         wms_request(self.req)
     except RequestError, e:
         assert 'request' in e.msg