def test_default_raise_Malformed_Exception(self):
"""Verify that exception MalformedRequestBody is raised."""
data_string = ""
deserializer = wsgi.XMLDeserializer()
self.assertRaises(exception.MalformedRequestBody, deserializer.default,
data_string)
def test_mapped_tacker_error_with_xml(self):
msg = u'\u7f51\u7edc'
class TestException(n_exc.TackerException):
message = msg
expected_res = {
'body': {
'TackerError': {
'type': 'TestException',
'message': msg,
'detail': ''
}
}
}
controller = mock.MagicMock()
controller.test.side_effect = TestException()
faults = {TestException: exc.HTTPGatewayTimeout}
resource = webtest.TestApp(
wsgi_resource.Resource(controller, faults=faults))
environ = {
'wsgiorg.routing_args': (None, {
'action': 'test',
'format': 'xml'
})
}
res = resource.get('', extra_environ=environ, expect_errors=True)
self.assertEqual(res.status_int, exc.HTTPGatewayTimeout.code)
self.assertEqual(wsgi.XMLDeserializer().deserialize(res.body),
expected_res)
def test_xml_with_utf8(self):
xml = '<a>\xe7\xbd\x91\xe7\xbb\x9c</a>'
as_dict = {'body': {'a': u'\u7f51\u7edc'}}
deserializer = wsgi.XMLDeserializer()
self.assertEqual(
deserializer.deserialize(xml), as_dict)
def test_xml_empty(self):
xml = '<a></a>'
as_dict = {'body': {'a': ''}}
deserializer = wsgi.XMLDeserializer()
self.assertEqual(
deserializer.deserialize(xml), as_dict)
def setUp(self):
super(WebTestCase, self).setUp()
json_deserializer = wsgi.JSONDeserializer()
xml_deserializer = wsgi.XMLDeserializer(attributes.get_attr_metadata())
self._deserializers = {
'application/json': json_deserializer,
'application/xml': xml_deserializer,
}
def test_non_root_one_item_dic_xml(self):
data = {'test1': 1}
# We have a key in this dict, and its value is an integer.
# XML is:
# <test1 quantum:type="int"
# xmlns="http://openstack.org/quantum/api/v2.0"
# xmlns:quantum="http://openstack.org/quantum/api/v2.0"
# xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
# 1</test1>
serializer = wsgi.XMLDictSerializer(attributes.get_attr_metadata())
result = serializer.serialize(data)
deserializer = wsgi.XMLDeserializer(attributes.get_attr_metadata())
new_data = deserializer.deserialize(result)['body']
self.assertEqual(data, new_data)
def test_empty_dic_xml(self):
data = {}
# Since it is an empty dict, we use quantum:type='dict' and
# an empty XML element to represent it. In addition, we use an
# virtual XML root _v_root to wrap the XML doc.
# XML is:
# <_v_root quantum:type="dict"
# xmlns="http://openstack.org/quantum/api/v2.0"
# xmlns:quantum="http://openstack.org/quantum/api/v2.0"
# xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
serializer = wsgi.XMLDictSerializer(attributes.get_attr_metadata())
result = serializer.serialize(data)
deserializer = wsgi.XMLDeserializer(attributes.get_attr_metadata())
new_data = deserializer.deserialize(result)['body']
self.assertEqual(data, new_data)
def test_None(self):
data = None
# Since it is None, we use xsi:nil='true'.
# In addition, we use an
# virtual XML root _v_root to wrap the XML doc.
# XML is:
# <_v_root xsi:nil="true"
# xmlns="http://openstack.org/quantum/api/v2.0"
# xmlns:quantum="http://openstack.org/quantum/api/v2.0"
# xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
serializer = wsgi.XMLDictSerializer(attributes.get_attr_metadata())
result = serializer.serialize(data)
deserializer = wsgi.XMLDeserializer(attributes.get_attr_metadata())
new_data = deserializer.deserialize(result)['body']
self.assertIsNone(new_data)
def test_unhandled_error_with_xml(self):
expected_res = {'body': {'TackerError':
_('Request Failed: internal server error '
'while processing your request.')}}
controller = mock.MagicMock()
controller.test.side_effect = Exception()
resource = webtest.TestApp(wsgi_resource.Resource(controller))
environ = {'wsgiorg.routing_args': (None, {'action': 'test',
'format': 'xml'})}
res = resource.get('', extra_environ=environ, expect_errors=True)
self.assertEqual(res.status_int, exc.HTTPInternalServerError.code)
self.assertEqual(wsgi.XMLDeserializer().deserialize(res.body),
expected_res)
def test_non_root_two_items_dic_xml(self):
data = {'test1': 1, 'test2': '2'}
# We have no root element in this data, We will use a virtual
# root element _v_root to wrap the doct.
# The XML is:
# <_v_root xmlns="http://openstack.org/quantum/api/v2.0"
# xmlns:quantum="http://openstack.org/quantum/api/v2.0"
# xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
# <test1 quantum:type="int">1</test1><test2>2</test2>
# </_v_root>
serializer = wsgi.XMLDictSerializer(attributes.get_attr_metadata())
result = serializer.serialize(data)
deserializer = wsgi.XMLDeserializer(attributes.get_attr_metadata())
new_data = deserializer.deserialize(result)['body']
self.assertEqual(data, new_data)
def test_initialization(self):
xml = '<a><b>test</b></a>'
deserializer = wsgi.XMLDeserializer()
self.assertEqual({'body': {u'a': {u'b': u'test'}}}, deserializer(xml))
# # We must have a namespace defined in root for prefix:external
# <prefix:external quantum:type="bool">True</prefix:external>
# <tests> # List
# <test><test1>value1</test1></test>
# <test><test3 quantum:type="int">3</test3>
# <test2 quantum:type="int">2</test2>
# </test></tests>
# </network>
metadata = attributes.get_attr_metadata()
ns = {'prefix': 'http://xxxx.yy.com'}
metadata[constants.EXT_NS] = ns
metadata['plurals'] = {'tests': 'test'}
serializer = wsgi.XMLDictSerializer(metadata)
result = serializer.serialize(NETWORK)
deserializer = wsgi.XMLDeserializer(metadata)
new_net = deserializer.deserialize(result)['body']
self.assertEqual(NETWORK, new_net)
def test_None(self):
data = None
# Since it is None, we use xsi:nil='true'.
# In addition, we use an
# virtual XML root _v_root to wrap the XML doc.
# XML is:
# <_v_root xsi:nil="true"
# xmlns="http://openstack.org/quantum/api/v2.0"
# xmlns:quantum="http://openstack.org/quantum/api/v2.0"
# xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
serializer = wsgi.XMLDictSerializer(attributes.get_attr_metadata())
result = serializer.serialize(data)
def Resource(controller, faults=None, deserializers=None, serializers=None):
"""API entity resource.
Represents an API entity resource and the associated serialization and
deserialization logic
"""
xml_deserializer = wsgi.XMLDeserializer(attributes.get_attr_metadata())
default_deserializers = {'application/xml': xml_deserializer,
'application/json': wsgi.JSONDeserializer()}
xml_serializer = wsgi.XMLDictSerializer(attributes.get_attr_metadata())
default_serializers = {'application/xml': xml_serializer,
'application/json': wsgi.JSONDictSerializer()}
format_types = {'xml': 'application/xml',
'json': 'application/json'}
action_status = dict(create=201, delete=204)
default_deserializers.update(deserializers or {})
default_serializers.update(serializers or {})
deserializers = default_deserializers
serializers = default_serializers
faults = faults or {}
@webob.dec.wsgify(RequestClass=Request)
def resource(request):
route_args = request.environ.get('wsgiorg.routing_args')
if route_args:
args = route_args[1].copy()
else:
args = {}
# NOTE(jkoelker) by now the controller is already found, remove
# it from the args if it is in the matchdict
args.pop('controller', None)
fmt = args.pop('format', None)
action = args.pop('action', None)
content_type = format_types.get(fmt,
request.best_match_content_type())
language = request.best_match_language()
deserializer = deserializers.get(content_type)
serializer = serializers.get(content_type)
try:
if request.body:
args['body'] = deserializer.deserialize(request.body)['body']
method = getattr(controller, action)
result = method(request=request, **args)
except (exceptions.TackerException,
netaddr.AddrFormatError) as e:
for fault in faults:
if isinstance(e, fault):
mapped_exc = faults[fault]
break
else:
mapped_exc = webob.exc.HTTPInternalServerError
if 400 <= mapped_exc.code < 500:
LOG.info(_('%(action)s failed (client error): %(exc)s'),
{'action': action, 'exc': e})
else:
LOG.exception(_('%s failed'), action)
e = translate(e, language)
# following structure is expected by python-tackerclient
err_data = {'type': e.__class__.__name__,
'message': e, 'detail': ''}
body = serializer.serialize({'TackerError': err_data})
kwargs = {'body': body, 'content_type': content_type}
raise mapped_exc(**kwargs)
except webob.exc.HTTPException as e:
type_, value, tb = sys.exc_info()
LOG.exception(_('%s failed'), action)
translate(e, language)
value.body = serializer.serialize({'TackerError': e})
value.content_type = content_type
six.reraise(type_, value, tb)
except NotImplementedError as e:
e = translate(e, language)
# NOTE(armando-migliaccio): from a client standpoint
# it makes sense to receive these errors, because
# extensions may or may not be implemented by
# the underlying plugin. So if something goes south,
# because a plugin does not implement a feature,
# returning 500 is definitely confusing.
body = serializer.serialize(
{'NotImplementedError': e.message})
kwargs = {'body': body, 'content_type': content_type}
raise webob.exc.HTTPNotImplemented(**kwargs)
except Exception:
# NOTE(jkoelker) Everything else is 500
LOG.exception(_('%s failed'), action)
# Do not expose details of 500 error to clients.
msg = _('Request Failed: internal server error while '
'processing your request.')
msg = translate(msg, language)
body = serializer.serialize({'TackerError': msg})
kwargs = {'body': body, 'content_type': content_type}
raise webob.exc.HTTPInternalServerError(**kwargs)
status = action_status.get(action, 200)
body = serializer.serialize(result)
# NOTE(jkoelker) Comply with RFC2616 section 9.7
if status == 204:
content_type = ''
body = None
return webob.Response(request=request, status=status,
content_type=content_type,
body=body)
return resource