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import unittest
import socket
import six
from restless.tnd import TornadoResource, _BridgeMixin
from restless.utils import json
from tornado import testing, web, httpserver, gen, version_info
from tornado.iostream import IOStream
from restless.constants import UNAUTHORIZED
def _newer_or_equal_(v):
for i in six.moves.xrange(min(len(v), len(version_info))):
expected, tnd = v[i], version_info[i]
if tnd > expected:
return True
elif tnd == expected:
continue
else:
return False
return True
def _equal_(v):
for i in six.moves.xrange(min(len(v), len(version_info))):
if v[i] != version_info[i]:
return False
return True
if _newer_or_equal_((4, 0, 0, 0)):
from tornado.http1connection import HTTP1Connection
class TndBaseTestResource(TornadoResource):
"""
base test resource, containing a fake-db
"""
fake_db = []
def __init__(self):
# Just for testing.
self.__class__.fake_db = [
{"id": 2, "title": 'First post'},
{"id": 4, "title": 'Another'},
{"id": 5, "title": 'Last'},
]
class TndBasicTestResource(TndBaseTestResource):
"""
containing several basic view_method
"""
def list(self):
return self.fake_db
def detail(self, pk):
for item in self.fake_db:
if item['id'] == int(pk):
return item
return None
def create(self):
self.fake_db.append(self.data)
class TndAsyncTestResource(TndBaseTestResource):
"""
asynchronous basic view_method
"""
@gen.coroutine
def list(self):
raise gen.Return(self.fake_db)
@gen.coroutine
def detail(self, pk):
for item in self.fake_db:
if item['id'] == int(pk):
raise gen.Return(item)
raise gen.Return(None)
@gen.coroutine
def create(self):
self.fake_db.append(self.data)
app = web.Application([
(r'/fake', TndBasicTestResource.as_list()),
(r'/fake/([^/]+)', TndBasicTestResource.as_detail()),
(r'/fake_async', TndAsyncTestResource.as_list()),
(r'/fake_async/([^/]+)', TndAsyncTestResource.as_detail())
], debug=True)
class BaseHTTPTestCase(testing.AsyncHTTPTestCase):
"""
base of test case
"""
def get_app(self):
return app
class TndResourceTestCase(BaseHTTPTestCase):
"""
"""
def test_as_list(self):
resp = self.fetch(
'/fake',
method='GET',
follow_redirects=False
)
self.assertEqual(resp.headers['Content-Type'], 'application/json; charset=UTF-8')
self.assertEqual(resp.code, 200)
self.assertEqual(json.loads(resp.body.decode('utf-8')), {
'objects': [
{
'id': 2,
'title': 'First post'
},
{
'id': 4,
'title': 'Another'
},
{
'id': 5,
'title': 'Last'
}
]
})
def test_as_detail(self):
resp = self.fetch(
'/fake/4',
method='GET',
follow_redirects=False
)
self.assertEqual(resp.headers['Content-Type'], 'application/json; charset=UTF-8')
self.assertEqual(resp.code, 200)
self.assertEqual(json.loads(resp.body.decode('utf-8')), {
'id': 4,
'title': 'Another'
})
def test_not_authenticated(self):
resp = self.fetch(
'/fake',
method='POST',
body='{"id": 7, "title": "Moved hosts"}',
follow_redirects=False
)
self.assertEqual(resp.code, UNAUTHORIZED)
class BaseTestCase(unittest.TestCase):
"""
test case that export the wrapped tornado.web.RequestHandler.
"""
def init_request_handler(self, rh_cls, view_type):
global app
if view_type == 'list':
rq = rh_cls.as_list()
elif view_type == 'detail':
rq = rh_cls.as_detail()
# compose a fake incoming request
fake_connection = None
# after tornado 4.1, it's not allowed to build a RequestHandler without a connection.
if _newer_or_equal_((4, 0, 0, 0)):
ios = IOStream(socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0))
context = None
# there is a bug in these 2 version that would fail when
# context is None
if _equal_((4, 0, 1)) or _equal_((4, 0, 2)):
context = httpserver._HTTPRequestContext(ios, None, None)
fake_connection = HTTP1Connection(ios, False, context=context)
fake_request = httpserver.HTTPRequest('GET', '/fake', body='test123', connection=fake_connection)
self.new_handler = rq(app, fake_request)
class InternalTestCase(BaseTestCase):
"""
test-cases that check internal structure of the wrapped
tornado.web.RequestHandler
"""
def setUp(self):
self.init_request_handler(TndBasicTestResource, 'list')
def test_is_debug(self):
ori_debug = app.settings['debug']
app.settings['debug'] = False
self.assertEqual(self.new_handler.resource_handler.is_debug(), False)
app.settings['debug'] = True
self.assertEqual(self.new_handler.resource_handler.is_debug(), True)
app.settings['debug'] = ori_debug
def test_body(self):
self.assertEqual(self.new_handler.resource_handler.request_body(), 'test123')
def test_method(self):
self.assertEqual(self.new_handler.resource_handler.request_method(), 'GET')
def test_class(self):
""" test the generated tornado.web.RequestHandler """
self.assertEqual(self.new_handler.__class__.__name__, 'TndBasicTestResource__BridgeMixin_restless')
self.assertTrue(_BridgeMixin in self.new_handler.__class__.__mro__)
self.assertTrue(web.RequestHandler in self.new_handler.__class__.__mro__)
def test_var(self):
""" make sure variable from tornado is correctly passed. """
self.assertTrue(hasattr(self.new_handler.resource_handler, 'request'))
self.assertTrue(hasattr(self.new_handler.resource_handler, 'application'))
class TndDeleteTestResource(TndBasicTestResource):
"""
testing inherited resource
"""
def delete(self, pk):
self.fake_db = filter(lambda x: x['id'] != pk, self.fake_db)
def delete_list(self):
self.fake_db = {}
class FuncTrimTestCase(BaseTestCase):
"""
test-cases that make sure we removed unnecessary handler functions
of the wrapped tornado.web.RequestHandler
"""
def test_empty_resource(self):
self.init_request_handler(TndBaseTestResource, 'list')
self.assertNotIn('post', self.new_handler.__class__.__dict__)
self.assertNotIn('get', self.new_handler.__class__.__dict__)
self.assertNotIn('delete', self.new_handler.__class__.__dict__)
self.assertNotIn('put', self.new_handler.__class__.__dict__)
def test_basic_resource_list(self):
self.init_request_handler(TndBasicTestResource, 'list')
self.assertIn('post', self.new_handler.__class__.__dict__)
self.assertIn('get', self.new_handler.__class__.__dict__)
self.assertNotIn('delete', self.new_handler.__class__.__dict__)
self.assertNotIn('put', self.new_handler.__class__.__dict__)
def test_basic_resource_detail(self):
self.init_request_handler(TndBasicTestResource, 'detail')
self.assertNotIn('post', self.new_handler.__class__.__dict__)
self.assertIn('get', self.new_handler.__class__.__dict__)
self.assertNotIn('delete', self.new_handler.__class__.__dict__)
self.assertNotIn('put', self.new_handler.__class__.__dict__)
def test_inheritance_resource_detail(self):
self.init_request_handler(TndDeleteTestResource, 'detail')
self.assertNotIn('post', self.new_handler.__class__.__dict__)
self.assertIn('get', self.new_handler.__class__.__dict__)
self.assertIn('delete', self.new_handler.__class__.__dict__)
self.assertNotIn('put', self.new_handler.__class__.__dict__)
class TndAsyncResourceTestCase(BaseHTTPTestCase):
"""
test asynchronous view_method
"""
def test_as_list(self):
resp = self.fetch(
'/fake_async',
method='GET',
follow_redirects=False
)
self.assertEqual(resp.headers['Content-Type'], 'application/json; charset=UTF-8')
self.assertEqual(resp.code, 200)
self.assertEqual(json.loads(resp.body.decode('utf-8')), {
'objects': [
{
'id': 2,
'title': 'First post'
},
{
'id': 4,
'title': 'Another'
},
{
'id': 5,
'title': 'Last'
}
]
})
def test_as_detail(self):
resp = self.fetch(
'/fake_async/4',
method='GET',
follow_redirects=False
)
self.assertEqual(resp.headers['Content-Type'], 'application/json; charset=UTF-8')
self.assertEqual(resp.code, 200)
self.assertEqual(json.loads(resp.body.decode('utf-8')), {
'id': 4,
'title': 'Another'
})
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