def read_response(self, response=None):
'''Read the response's HTTP status line and header fields.
Coroutine.
'''
_logger.debug('Reading header.')
if response is None:
response = Response()
header_lines = []
bytes_read = 0
while True:
try:
data = yield from self._connection.readline()
except ValueError as error:
raise ProtocolError(
'Invalid header: {0}'.format(error)) from error
self._data_event_dispatcher.notify_read(data)
if not data.endswith(b'\n'):
raise NetworkError('Connection closed.')
elif data in (b'\r\n', b'\n'):
break
header_lines.append(data)
assert data.endswith(b'\n')
bytes_read += len(data)
if bytes_read > 32768:
raise ProtocolError('Header too big.')
if not header_lines:
raise ProtocolError('No header received.')
response.parse(b''.join(header_lines))
return response
def test_response_status_codes(self):
response = Response()
response.parse(b'HTTP/1.0 0\r\n')
response.parse(b'\r\n')
self.assertEqual(0, response.status_code)
response = Response()
response.parse(b'HTTP/1.0 999\r\n')
response.parse(b'\r\n')
self.assertEqual(999, response.status_code)
response = Response(0, '')
self.assertEqual(0, response.status_code)
def test_response_status_codes(self):
response = Response()
response.parse(b'HTTP/1.0 0\r\n')
response.parse(b'\r\n')
self.assertEqual(0, response.status_code)
response = Response()
response.parse(b'HTTP/1.0 999\r\n')
response.parse(b'\r\n')
self.assertEqual(999, response.status_code)
response = Response(0, '')
self.assertEqual(0, response.status_code)
def test_response_empty_reason_line(self):
response = Response()
response.parse(b'HTTP/1.0 200\r\n')
response.parse(b'Cake: dolphin\r\n')
response.parse(b'\r\n')
self.assertEqual(200, response.status_code)
self.assertEqual('', response.reason)
self.assertEqual('dolphin', response.fields['Cake'])
def test_response_empty_reason_line(self):
response = Response()
response.parse(b'HTTP/1.0 200\r\n')
response.parse(b'Cake: dolphin\r\n')
response.parse(b'\r\n')
self.assertEqual(200, response.status_code)
self.assertEqual('', response.reason)
self.assertEqual('dolphin', response.fields['Cake'])
def test_response_parse(self):
response = Response()
response.parse(b'HTTP/1.0 200 OK\r\n')
response.parse('Cake: dolphın\r\n'.encode('utf-8'))
response.parse(b'\r\n')
self.assertEqual(200, response.status_code)
self.assertEqual('OK', response.reason)
self.assertEqual('dolphın'.encode('utf-8').decode('latin-1'),
response.fields['Cake'])
response = Response()
response.parse(b'HTTP/1.0 200 OK\r\n')
response.parse(b'Cake: \xffdolphin\r\n')
response.parse(b'\r\n')
self.assertEqual(200, response.status_code)
self.assertEqual('OK', response.reason)
self.assertEqual('\xffdolphin', response.fields['Cake'])
def test_response_parse(self):
response = Response()
response.parse(b'HTTP/1.0 200 OK\r\n')
response.parse('Cake: dolphın\r\n'.encode('utf-8'))
response.parse(b'\r\n')
self.assertEqual(200, response.status_code)
self.assertEqual('OK', response.reason)
self.assertEqual('dolphın'.encode('utf-8').decode('latin-1'),
response.fields['Cake'])
response = Response()
response.parse(b'HTTP/1.0 200 OK\r\n')
response.parse(b'Cake: \xffdolphin\r\n')
response.parse(b'\r\n')
self.assertEqual(200, response.status_code)
self.assertEqual('OK', response.reason)
self.assertEqual('\xffdolphin', response.fields['Cake'])