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"""Tests for aiohttp/protocol.py"""
import zlib
from unittest import mock
import pytest
from aiohttp import hdrs, protocol
@pytest.fixture
def transport():
return mock.Mock()
compressor = zlib.compressobj(wbits=-zlib.MAX_WBITS)
COMPRESSED = b''.join([compressor.compress(b'data'), compressor.flush()])
def test_start_request(transport):
msg = protocol.Request(
transport, 'GET', '/index.html', close=True)
assert msg.transport is transport
assert msg.closing
assert msg.status_line == 'GET /index.html HTTP/1.1\r\n'
def test_start_response(transport):
msg = protocol.Response(transport, 200, close=True)
assert msg.transport is transport
assert msg.status == 200
assert msg.reason == "OK"
assert msg.closing
assert msg.status_line == 'HTTP/1.1 200 OK\r\n'
def test_start_response_with_reason(transport):
msg = protocol.Response(transport, 333, close=True,
reason="My Reason")
assert msg.status == 333
assert msg.reason == "My Reason"
assert msg.status_line == 'HTTP/1.1 333 My Reason\r\n'
def test_start_response_with_unknown_reason(transport):
msg = protocol.Response(transport, 777, close=True)
assert msg.status == 777
assert msg.reason == "777"
assert msg.status_line == 'HTTP/1.1 777 777\r\n'
def test_force_close(transport):
msg = protocol.Response(transport, 200)
assert not msg.closing
msg.force_close()
assert msg.closing
def test_force_chunked(transport):
msg = protocol.Response(transport, 200)
assert not msg.chunked
msg.enable_chunked_encoding()
assert msg.chunked
def test_keep_alive(transport):
msg = protocol.Response(transport, 200, close=True)
assert not msg.keep_alive()
msg.keepalive = True
assert msg.keep_alive()
msg.force_close()
assert not msg.keep_alive()
def test_keep_alive_http10(transport):
msg = protocol.Response(transport, 200, http_version=(1, 0))
assert not msg.keepalive
assert not msg.keep_alive()
msg = protocol.Response(transport, 200, http_version=(1, 1))
assert msg.keepalive is None
def test_add_header(transport):
msg = protocol.Response(transport, 200)
assert [] == list(msg.headers)
msg.add_header('content-type', 'plain/html')
assert [('Content-Type', 'plain/html')] == list(msg.headers.items())
def test_add_header_with_spaces(transport):
msg = protocol.Response(transport, 200)
assert [] == list(msg.headers)
msg.add_header('content-type', ' plain/html ')
assert [('Content-Type', 'plain/html')] == list(msg.headers.items())
def test_add_header_non_ascii(transport):
msg = protocol.Response(transport, 200)
assert [] == list(msg.headers)
with pytest.raises(AssertionError):
msg.add_header('тип-контента', 'текст/плейн')
def test_add_header_invalid_value_type(transport):
msg = protocol.Response(transport, 200)
assert [] == list(msg.headers)
with pytest.raises(AssertionError):
msg.add_header('content-type', {'test': 'plain'})
with pytest.raises(AssertionError):
msg.add_header(list('content-type'), 'text/plain')
def test_add_headers(transport):
msg = protocol.Response(transport, 200)
assert [] == list(msg.headers)
msg.add_headers(('content-type', 'plain/html'))
assert [('Content-Type', 'plain/html')] == list(msg.headers.items())
def test_add_headers_length(transport):
msg = protocol.Response(transport, 200)
assert msg.length is None
msg.add_headers(('content-length', '42'))
assert 42 == msg.length
def test_add_headers_upgrade(transport):
msg = protocol.Response(transport, 200)
assert not msg.upgrade
msg.add_headers(('connection', 'upgrade'))
assert msg.upgrade
def test_add_headers_upgrade_websocket(transport):
msg = protocol.Response(transport, 200)
msg.add_headers(('upgrade', 'test'))
assert [] == list(msg.headers)
msg.add_headers(('upgrade', 'websocket'))
assert [('Upgrade', 'websocket')] == list(msg.headers.items())
def test_add_headers_connection_keepalive(transport):
msg = protocol.Response(transport, 200)
msg.add_headers(('connection', 'keep-alive'))
assert [] == list(msg.headers)
assert msg.keepalive
msg.add_headers(('connection', 'close'))
assert not msg.keepalive
def test_add_headers_hop_headers(transport):
msg = protocol.Response(transport, 200)
msg.HOP_HEADERS = (hdrs.TRANSFER_ENCODING,)
msg.add_headers(('connection', 'test'), ('transfer-encoding', 't'))
assert [] == list(msg.headers)
def test_default_headers_http_10(transport):
msg = protocol.Response(transport, 200,
http_version=protocol.HttpVersion10)
msg._add_default_headers()
assert 'DATE' in msg.headers
assert 'keep-alive' == msg.headers['CONNECTION']
def test_default_headers_http_11(transport):
msg = protocol.Response(transport, 200)
msg._add_default_headers()
assert 'DATE' in msg.headers
assert 'CONNECTION' not in msg.headers
def test_default_headers_server(transport):
msg = protocol.Response(transport, 200)
msg._add_default_headers()
assert 'SERVER' in msg.headers
def test_default_headers_chunked(transport):
msg = protocol.Response(transport, 200)
msg._add_default_headers()
assert 'TRANSFER-ENCODING' not in msg.headers
msg = protocol.Response(transport, 200)
msg.enable_chunked_encoding()
msg.send_headers()
assert 'TRANSFER-ENCODING' in msg.headers
def test_default_headers_connection_upgrade(transport):
msg = protocol.Response(transport, 200)
msg.upgrade = True
msg._add_default_headers()
assert msg.headers['Connection'] == 'upgrade'
def test_default_headers_connection_close(transport):
msg = protocol.Response(transport, 200)
msg.force_close()
msg._add_default_headers()
assert msg.headers['Connection'] == 'close'
def test_default_headers_connection_keep_alive_http_10(transport):
msg = protocol.Response(transport, 200,
http_version=protocol.HttpVersion10)
msg.keepalive = True
msg._add_default_headers()
assert msg.headers['Connection'] == 'keep-alive'
def test_default_headers_connection_keep_alive_11(transport):
msg = protocol.Response(transport, 200,
http_version=protocol.HttpVersion11)
msg.keepalive = True
msg._add_default_headers()
assert 'Connection' not in msg.headers
def test_send_headers(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(transport, 200)
msg.add_headers(('content-type', 'plain/html'))
assert not msg.is_headers_sent()
msg.send_headers()
content = b''.join([arg[1][0] for arg in list(write.mock_calls)])
assert content.startswith(b'HTTP/1.1 200 OK\r\n')
assert b'Content-Type: plain/html' in content
assert msg.headers_sent
assert msg.is_headers_sent()
# cleanup
msg.writer.close()
def test_send_headers_non_ascii(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(transport, 200)
msg.add_headers(('x-header', 'текст'))
assert not msg.is_headers_sent()
msg.send_headers()
content = b''.join([arg[1][0] for arg in list(write.mock_calls)])
assert content.startswith(b'HTTP/1.1 200 OK\r\n')
assert b'X-Header: \xd1\x82\xd0\xb5\xd0\xba\xd1\x81\xd1\x82' in content
assert msg.headers_sent
assert msg.is_headers_sent()
# cleanup
msg.writer.close()
def test_send_headers_nomore_add(transport):
msg = protocol.Response(transport, 200)
msg.add_headers(('content-type', 'plain/html'))
msg.send_headers()
with pytest.raises(AssertionError):
msg.add_header('content-type', 'plain/html')
# cleanup
msg.writer.close()
def test_prepare_length(transport):
msg = protocol.Response(transport, 200)
w_l_p = msg._write_length_payload = mock.Mock()
w_l_p.return_value = iter([1, 2, 3])
msg.add_headers(('content-length', '42'))
msg.send_headers()
assert w_l_p.called
assert (42,) == w_l_p.call_args[0]
def test_prepare_chunked_force(transport):
msg = protocol.Response(transport, 200)
msg.enable_chunked_encoding()
chunked = msg._write_chunked_payload = mock.Mock()
chunked.return_value = iter([1, 2, 3])
msg.add_headers(('content-length', '42'))
msg.send_headers()
assert chunked.called
def test_prepare_chunked_no_length(transport):
msg = protocol.Response(transport, 200)
chunked = msg._write_chunked_payload = mock.Mock()
chunked.return_value = iter([1, 2, 3])
msg.send_headers()
assert chunked.called
def test_prepare_eof(transport):
msg = protocol.Response(transport, 200, http_version=(1, 0))
eof = msg._write_eof_payload = mock.Mock()
eof.return_value = iter([1, 2, 3])
msg.send_headers()
assert eof.called
def test_write_auto_send_headers(transport):
msg = protocol.Response(transport, 200, http_version=(1, 0))
msg._send_headers = True
msg.write(b'data1')
assert msg.headers_sent
# cleanup
msg.writer.close()
def test_write_payload_eof(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(transport, 200, http_version=(1, 0))
msg.send_headers()
msg.write(b'data1')
assert msg.headers_sent
msg.write(b'data2')
msg.write_eof()
content = b''.join([c[1][0] for c in list(write.mock_calls)])
assert b'data1data2' == content.split(b'\r\n\r\n', 1)[-1]
def test_write_payload_chunked(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)])
assert 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(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)])
assert (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(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)])
assert b'da' == content.split(b'\r\n\r\n', 1)[-1]
def test_write_payload_chunked_filter(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)])
assert content.endswith(b'2\r\nda\r\n2\r\nta\r\n0\r\n\r\n')
def test_write_payload_chunked_filter_mutiple_chunks(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)])
assert 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(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)])
assert content.endswith(b'4\r\ndata\r\n0\r\n\r\n')
def test_write_payload_deflate_filter(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(transport, 200)
msg.add_headers(('content-length', '{}'.format(len(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)]
assert all(chunks)
content = b''.join(chunks)
assert COMPRESSED == content.split(b'\r\n\r\n', 1)[-1]
def test_write_payload_deflate_and_chunked(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(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)]
assert all(chunks)
content = b''.join(chunks)
assert (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(transport):
write = transport.write = mock.Mock()
msg = protocol.Response(transport, 200)
msg.add_headers(('content-length', '{}'.format(len(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)]
assert all(chunks)
content = b''.join(chunks)
assert COMPRESSED == content.split(b'\r\n\r\n', 1)[-1]
def test_write_drain(transport):
msg = protocol.Response(transport, 200, http_version=(1, 0))
msg._send_headers = True
msg.write(b'1' * (64 * 1024 * 2))
assert not transport.drain.called
msg.write(b'1', drain=True)
assert transport.drain.called
assert msg._output_size == 0
def test_dont_override_request_headers_with_default_values(transport):
msg = protocol.Request(
transport, 'GET', '/index.html', close=True)
msg.add_header('USER-AGENT', 'custom')
msg._add_default_headers()
assert 'custom' == msg.headers['USER-AGENT']
def test_dont_override_response_headers_with_default_values(transport):
msg = protocol.Response(transport, 200, http_version=(1, 0))
msg.add_header('DATE', 'now')
msg.add_header('SERVER', 'custom')
msg._add_default_headers()
assert 'custom' == msg.headers['SERVER']
assert 'now' == msg.headers['DATE']
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