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import asyncio
import collections
import unittest
from unittest import mock
from aiohttp.multidict import CIMultiDict
from aiohttp.web import Request
from aiohttp.protocol import RawRequestMessage, HttpVersion11
from aiohttp import web
class TestHTTPExceptions(unittest.TestCase):
def setUp(self):
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(None)
self.payload = mock.Mock()
self.transport = mock.Mock()
self.reader = mock.Mock()
self.writer = mock.Mock()
self.writer.drain.return_value = ()
self.buf = b''
self.writer.write.side_effect = self.append
def tearDown(self):
self.loop.close()
def append(self, data):
self.buf += data
def make_request(self, method='GET', path='/', headers=CIMultiDict()):
self.app = mock.Mock()
message = RawRequestMessage(method, path, HttpVersion11, headers,
False, False)
req = Request(self.app, message, self.payload,
self.transport, self.reader, self.writer)
return req
def test_all_http_exceptions_exported(self):
self.assertIn('HTTPException', web.__all__)
for name in dir(web):
if name.startswith('_'):
continue
obj = getattr(web, name)
if isinstance(obj, type) and issubclass(obj, web.HTTPException):
self.assertIn(name, web.__all__)
def test_HTTPOk(self):
req = self.make_request()
resp = web.HTTPOk()
resp.start(req)
self.loop.run_until_complete(resp.write_eof())
txt = self.buf.decode('utf8')
self.assertRegex(txt, ('HTTP/1.1 200 OK\r\n'
'CONTENT-TYPE: text/plain; charset=utf-8\r\n'
'CONTENT-LENGTH: 7\r\n'
'CONNECTION: keep-alive\r\n'
'DATE: .+\r\n'
'SERVER: .+\r\n\r\n'
'200: OK'))
def test_terminal_classes_has_status_code(self):
terminals = set()
for name in dir(web):
obj = getattr(web, name)
if isinstance(obj, type) and issubclass(obj, web.HTTPException):
terminals.add(obj)
dup = frozenset(terminals)
for cls1 in dup:
for cls2 in dup:
if cls1 in cls2.__bases__:
terminals.discard(cls1)
for cls in terminals:
self.assertIsNotNone(cls.status_code, cls)
codes = collections.Counter(cls.status_code for cls in terminals)
self.assertNotIn(None, codes)
self.assertEqual(1, codes.most_common(1)[0][1])
def test_HTTPFound(self):
req = self.make_request()
resp = web.HTTPFound(location='/redirect')
self.assertEqual('/redirect', resp.location)
self.assertEqual('/redirect', resp.headers['location'])
resp.start(req)
self.loop.run_until_complete(resp.write_eof())
txt = self.buf.decode('utf8')
self.assertRegex(txt, ('HTTP/1.1 302 Found\r\n'
'CONTENT-TYPE: text/plain; charset=utf-8\r\n'
'CONTENT-LENGTH: 10\r\n'
'LOCATION: /redirect\r\n'
'CONNECTION: keep-alive\r\n'
'DATE: .+\r\n'
'SERVER: .+\r\n\r\n'
'302: Found'))
def test_HTTPFound_empty_location(self):
with self.assertRaises(ValueError):
web.HTTPFound(location='')
with self.assertRaises(ValueError):
web.HTTPFound(location=None)
def test_HTTPMethodNotAllowed(self):
req = self.make_request()
resp = web.HTTPMethodNotAllowed('get', ['POST', 'PUT'])
self.assertEqual('GET', resp.method)
self.assertEqual(['POST', 'PUT'], resp.allowed_methods)
self.assertEqual('POST,PUT', resp.headers['allow'])
resp.start(req)
self.loop.run_until_complete(resp.write_eof())
txt = self.buf.decode('utf8')
self.assertRegex(txt, ('HTTP/1.1 405 Method Not Allowed\r\n'
'CONTENT-TYPE: text/plain; charset=utf-8\r\n'
'CONTENT-LENGTH: 23\r\n'
'ALLOW: POST,PUT\r\n'
'CONNECTION: keep-alive\r\n'
'DATE: .+\r\n'
'SERVER: .+\r\n\r\n'
'405: Method Not Allowed'))
def test_override_body_with_text(self):
resp = web.HTTPNotFound(text="Page not found")
self.assertEqual(404, resp.status)
self.assertEqual("Page not found".encode('utf-8'), resp.body)
self.assertEqual("Page not found", resp.text)
self.assertEqual("text/plain", resp.content_type)
self.assertEqual("utf-8", resp.charset)
def test_override_body_with_binary(self):
txt = "<html><body>Page not found</body></html>"
resp = web.HTTPNotFound(body=txt.encode('utf-8'),
content_type="text/html")
self.assertEqual(404, resp.status)
self.assertEqual(txt.encode('utf-8'), resp.body)
self.assertEqual(txt, resp.text)
self.assertEqual("text/html", resp.content_type)
self.assertIsNone(resp.charset)
def test_default_body(self):
resp = web.HTTPOk()
self.assertEqual(b'200: OK', resp.body)
def test_empty_body_204(self):
resp = web.HTTPNoContent()
self.assertIsNone(resp.body)
def test_empty_body_205(self):
resp = web.HTTPNoContent()
self.assertIsNone(resp.body)
def test_empty_body_304(self):
resp = web.HTTPNoContent()
self.assertIsNone(resp.body)
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