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"""Tests for aiohttp/protocol.py"""
import unittest
import unittest.mock
import asyncio
import zlib
from aiohttp import hdrs, protocol
class TestHttpMessage(unittest.TestCase):
def setUp(self):
self.transport = unittest.mock.Mock()
asyncio.set_event_loop(None)
def test_start_request(self):
msg = protocol.Request(
self.transport, 'GET', '/index.html', close=True)
self.assertIs(msg.transport, self.transport)
self.assertIsNone(msg.status)
self.assertTrue(msg.closing)
self.assertEqual(msg.status_line, 'GET /index.html HTTP/1.1\r\n')
def test_start_response(self):
msg = protocol.Response(self.transport, 200, close=True)
self.assertIs(msg.transport, self.transport)
self.assertEqual(msg.status, 200)
self.assertEqual(msg.reason, "OK")
self.assertTrue(msg.closing)
self.assertEqual(msg.status_line, 'HTTP/1.1 200 OK\r\n')
def test_start_response_with_reason(self):
msg = protocol.Response(self.transport, 333, close=True,
reason="My Reason")
self.assertEqual(msg.status, 333)
self.assertEqual(msg.reason, "My Reason")
self.assertEqual(msg.status_line, 'HTTP/1.1 333 My Reason\r\n')
def test_start_response_with_unknown_reason(self):
msg = protocol.Response(self.transport, 777, close=True)
self.assertEqual(msg.status, 777)
self.assertEqual(msg.reason, "777")
self.assertEqual(msg.status_line, 'HTTP/1.1 777 777\r\n')
def test_force_close(self):
msg = protocol.Response(self.transport, 200)
self.assertFalse(msg.closing)
msg.force_close()
self.assertTrue(msg.closing)
def test_force_chunked(self):
msg = protocol.Response(self.transport, 200)
self.assertFalse(msg.chunked)
msg.enable_chunked_encoding()
self.assertTrue(msg.chunked)
def test_keep_alive(self):
msg = protocol.Response(self.transport, 200, close=True)
self.assertFalse(msg.keep_alive())
msg.keepalive = True
self.assertTrue(msg.keep_alive())
msg.force_close()
self.assertFalse(msg.keep_alive())
def test_keep_alive_http10(self):
msg = protocol.Response(self.transport, 200, http_version=(1, 0))
self.assertFalse(msg.keepalive)
self.assertFalse(msg.keep_alive())
msg = protocol.Response(self.transport, 200, http_version=(1, 1))
self.assertIsNone(msg.keepalive)
def test_add_header(self):
msg = protocol.Response(self.transport, 200)
self.assertEqual([], list(msg.headers))
msg.add_header('content-type', 'plain/html')
self.assertEqual(
[('CONTENT-TYPE', 'plain/html')], list(msg.headers.items()))
def test_add_header_with_spaces(self):
msg = protocol.Response(self.transport, 200)
self.assertEqual([], list(msg.headers))
msg.add_header('content-type', ' plain/html ')
self.assertEqual(
[('CONTENT-TYPE', 'plain/html')], list(msg.headers.items()))
def test_add_header_non_ascii(self):
msg = protocol.Response(self.transport, 200)
self.assertEqual([], list(msg.headers))
with self.assertRaises(AssertionError):
msg.add_header('тип-контента', 'текст/плейн')
def test_add_header_invalid_value_type(self):
msg = protocol.Response(self.transport, 200)
self.assertEqual([], list(msg.headers))
with self.assertRaises(AssertionError):
msg.add_header('content-type', {'test': 'plain'})
with self.assertRaises(AssertionError):
msg.add_header(list('content-type'), 'text/plain')
def test_add_headers(self):
msg = protocol.Response(self.transport, 200)
self.assertEqual([], list(msg.headers))
msg.add_headers(('content-type', 'plain/html'))
self.assertEqual(
[('CONTENT-TYPE', 'plain/html')], list(msg.headers.items()))
def test_add_headers_length(self):
msg = protocol.Response(self.transport, 200)
self.assertIsNone(msg.length)
msg.add_headers(('content-length', '42'))
self.assertEqual(42, msg.length)
def test_add_headers_upgrade(self):
msg = protocol.Response(self.transport, 200)
self.assertFalse(msg.upgrade)
msg.add_headers(('connection', 'upgrade'))
self.assertTrue(msg.upgrade)
def test_add_headers_upgrade_websocket(self):
msg = protocol.Response(self.transport, 200)
msg.add_headers(('upgrade', 'test'))
self.assertEqual([], list(msg.headers))
msg.add_headers(('upgrade', 'websocket'))
self.assertEqual(
[('UPGRADE', 'websocket')], list(msg.headers.items()))
def test_add_headers_connection_keepalive(self):
msg = protocol.Response(self.transport, 200)
msg.add_headers(('connection', 'keep-alive'))
self.assertEqual([], list(msg.headers))
self.assertTrue(msg.keepalive)
msg.add_headers(('connection', 'close'))
self.assertFalse(msg.keepalive)
def test_add_headers_hop_headers(self):
msg = protocol.Response(self.transport, 200)
msg.HOP_HEADERS = (hdrs.TRANSFER_ENCODING,)
msg.add_headers(('connection', 'test'), ('transfer-encoding', 't'))
self.assertEqual([], list(msg.headers))
def test_default_headers(self):
msg = protocol.Response(self.transport, 200)
msg._add_default_headers()
headers = [r for r, _ in msg.headers.items()]
self.assertIn('DATE', headers)
self.assertIn('CONNECTION', headers)
def test_default_headers_server(self):
msg = protocol.Response(self.transport, 200)
msg._add_default_headers()
self.assertIn('SERVER', msg.headers)
def test_default_headers_useragent(self):
msg = protocol.Request(self.transport, 'GET', '/')
msg._add_default_headers()
self.assertNotIn('SERVER', msg.headers)
self.assertIn('USER-AGENT', msg.headers)
def test_default_headers_useragent_custom(self):
msg = protocol.Request(self.transport, 'GET', '/')
msg.add_headers(('user-agent', 'my custom agent'))
msg._add_default_headers()
headers = [r for r, _ in msg.headers.items()
if r.lower() == 'user-agent']
self.assertEqual(len(headers), 1)
def test_default_headers_chunked(self):
msg = protocol.Response(self.transport, 200)
msg._add_default_headers()
headers = [r for r, _ in msg.headers.items()]
self.assertNotIn('TRANSFER-ENCODING', headers)
msg = protocol.Response(self.transport, 200)
msg.enable_chunked_encoding()
msg.send_headers()
headers = [r for r, _ in msg.headers.items()]
self.assertIn('TRANSFER-ENCODING', headers)
def test_default_headers_connection_upgrade(self):
msg = protocol.Response(self.transport, 200)
msg.upgrade = True
msg._add_default_headers()
headers = [r for r in msg.headers.items() if r[0] == 'CONNECTION']
self.assertEqual([('CONNECTION', 'upgrade')], headers)
def test_default_headers_connection_close(self):
msg = protocol.Response(self.transport, 200)
msg.force_close()
msg._add_default_headers()
headers = [r for r in msg.headers.items() if r[0] == 'CONNECTION']
self.assertEqual([('CONNECTION', 'close')], headers)
def test_default_headers_connection_keep_alive(self):
msg = protocol.Response(self.transport, 200)
msg.keepalive = True
msg._add_default_headers()
headers = [r for r in msg.headers.items() if r[0] == 'CONNECTION']
self.assertEqual([('CONNECTION', 'keep-alive')], headers)
def test_send_headers(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.add_headers(('content-type', 'plain/html'))
self.assertFalse(msg.is_headers_sent())
msg.send_headers()
content = b''.join([arg[1][0] for arg in list(write.mock_calls)])
self.assertTrue(content.startswith(b'HTTP/1.1 200 OK\r\n'))
self.assertIn(b'CONTENT-TYPE: plain/html', content)
self.assertTrue(msg.headers_sent)
self.assertTrue(msg.is_headers_sent())
# cleanup
msg.writer.close()
def test_send_headers_non_ascii(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.add_headers(('x-header', 'текст'))
self.assertFalse(msg.is_headers_sent())
msg.send_headers()
content = b''.join([arg[1][0] for arg in list(write.mock_calls)])
self.assertTrue(content.startswith(b'HTTP/1.1 200 OK\r\n'))
self.assertIn(b'X-HEADER: \xd1\x82\xd0\xb5\xd0\xba\xd1\x81\xd1\x82',
content)
self.assertTrue(msg.headers_sent)
self.assertTrue(msg.is_headers_sent())
# cleanup
msg.writer.close()
def test_send_headers_nomore_add(self):
msg = protocol.Response(self.transport, 200)
msg.add_headers(('content-type', 'plain/html'))
msg.send_headers()
self.assertRaises(AssertionError,
msg.add_header, 'content-type', 'plain/html')
# cleanup
msg.writer.close()
def test_prepare_length(self):
msg = protocol.Response(self.transport, 200)
w_l_p = msg._write_length_payload = unittest.mock.Mock()
w_l_p.return_value = iter([1, 2, 3])
msg.add_headers(('content-length', '42'))
msg.send_headers()
self.assertTrue(w_l_p.called)
self.assertEqual((42,), w_l_p.call_args[0])
def test_prepare_chunked_force(self):
msg = protocol.Response(self.transport, 200)
msg.enable_chunked_encoding()
chunked = msg._write_chunked_payload = unittest.mock.Mock()
chunked.return_value = iter([1, 2, 3])
msg.add_headers(('content-length', '42'))
msg.send_headers()
self.assertTrue(chunked.called)
def test_prepare_chunked_no_length(self):
msg = protocol.Response(self.transport, 200)
chunked = msg._write_chunked_payload = unittest.mock.Mock()
chunked.return_value = iter([1, 2, 3])
msg.send_headers()
self.assertTrue(chunked.called)
def test_prepare_eof(self):
msg = protocol.Response(self.transport, 200, http_version=(1, 0))
eof = msg._write_eof_payload = unittest.mock.Mock()
eof.return_value = iter([1, 2, 3])
msg.send_headers()
self.assertTrue(eof.called)
def test_write_auto_send_headers(self):
msg = protocol.Response(self.transport, 200, http_version=(1, 0))
msg._send_headers = True
msg.write(b'data1')
self.assertTrue(msg.headers_sent)
# cleanup
msg.writer.close()
def test_write_payload_eof(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200, http_version=(1, 0))
msg.send_headers()
msg.write(b'data1')
self.assertTrue(msg.headers_sent)
msg.write(b'data2')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertEqual(
b'data1data2', content.split(b'\r\n\r\n', 1)[-1])
def test_write_payload_chunked(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.enable_chunked_encoding()
msg.send_headers()
msg.write(b'data')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertEqual(
b'4\r\ndata\r\n0\r\n\r\n',
content.split(b'\r\n\r\n', 1)[-1])
def test_write_payload_chunked_multiple(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.enable_chunked_encoding()
msg.send_headers()
msg.write(b'data1')
msg.write(b'data2')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertEqual(
b'5\r\ndata1\r\n5\r\ndata2\r\n0\r\n\r\n',
content.split(b'\r\n\r\n', 1)[-1])
def test_write_payload_length(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.add_headers(('content-length', '2'))
msg.send_headers()
msg.write(b'd')
msg.write(b'ata')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertEqual(
b'da', content.split(b'\r\n\r\n', 1)[-1])
def test_write_payload_chunked_filter(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.send_headers()
msg.add_chunking_filter(2)
msg.write(b'data')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertTrue(content.endswith(b'2\r\nda\r\n2\r\nta\r\n0\r\n\r\n'))
def test_write_payload_chunked_filter_mutiple_chunks(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.send_headers()
msg.add_chunking_filter(2)
msg.write(b'data1')
msg.write(b'data2')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertTrue(content.endswith(
b'2\r\nda\r\n2\r\nta\r\n2\r\n1d\r\n2\r\nat\r\n'
b'2\r\na2\r\n0\r\n\r\n'))
def test_write_payload_chunked_large_chunk(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.send_headers()
msg.add_chunking_filter(1024)
msg.write(b'data')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
self.assertTrue(content.endswith(b'4\r\ndata\r\n0\r\n\r\n'))
_comp = zlib.compressobj(wbits=-zlib.MAX_WBITS)
_COMPRESSED = b''.join([_comp.compress(b'data'), _comp.flush()])
def test_write_payload_deflate_filter(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.add_headers(('content-length', '{}'.format(len(self._COMPRESSED))))
msg.send_headers()
msg.add_compression_filter('deflate')
msg.write(b'data')
msg.write_eof()
chunks = [c[1][0] for c in list(write.mock_calls)]
self.assertTrue(all(chunks))
content = b''.join(chunks)
self.assertEqual(
self._COMPRESSED, content.split(b'\r\n\r\n', 1)[-1])
def test_write_payload_deflate_and_chunked(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.send_headers()
msg.add_compression_filter('deflate')
msg.add_chunking_filter(2)
msg.write(b'data')
msg.write_eof()
chunks = [c[1][0] for c in list(write.mock_calls)]
self.assertTrue(all(chunks))
content = b''.join(chunks)
self.assertEqual(
b'2\r\nKI\r\n2\r\n,I\r\n2\r\n\x04\x00\r\n0\r\n\r\n',
content.split(b'\r\n\r\n', 1)[-1])
def test_write_payload_chunked_and_deflate(self):
write = self.transport.write = unittest.mock.Mock()
msg = protocol.Response(self.transport, 200)
msg.add_headers(('content-length', '{}'.format(len(self._COMPRESSED))))
msg.add_chunking_filter(2)
msg.add_compression_filter('deflate')
msg.send_headers()
msg.write(b'data')
msg.write_eof()
chunks = [c[1][0] for c in list(write.mock_calls)]
self.assertTrue(all(chunks))
content = b''.join(chunks)
self.assertEqual(
self._COMPRESSED, content.split(b'\r\n\r\n', 1)[-1])
def test_write_drain(self):
msg = protocol.Response(self.transport, 200, http_version=(1, 0))
msg._send_headers = True
msg.write(b'1' * (64 * 1024 * 2))
self.assertFalse(self.transport.drain.called)
msg.write(b'1', drain=True)
self.assertTrue(self.transport.drain.called)
self.assertEqual(msg._output_size, 0)
def test_dont_override_request_headers_with_default_values(self):
msg = protocol.Request(
self.transport, 'GET', '/index.html', close=True)
msg.add_header('USER-AGENT', 'custom')
msg._add_default_headers()
self.assertEqual('custom', msg.headers['USER-AGENT'])
def test_dont_override_response_headers_with_default_values(self):
msg = protocol.Response(self.transport, 200, http_version=(1, 0))
msg.add_header('DATE', 'now')
msg.add_header('SERVER', 'custom')
msg._add_default_headers()
self.assertEqual('custom', msg.headers['SERVER'])
self.assertEqual('now', msg.headers['DATE'])
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