sanic/tests/test_response.py
Suby Raman 4e8aac4b41 rebase
2017-02-21 11:05:06 -05:00

97 lines
2.9 KiB
Python

import asyncio
import pytest
from random import choice
from sanic import Sanic
from sanic.response import HTTPResponse, stream, StreamingHTTPResponse
from sanic.testing import HOST, PORT
from unittest.mock import MagicMock
def test_response_body_not_a_string():
"""Test when a response body sent from the application is not a string"""
app = Sanic('response_body_not_a_string')
random_num = choice(range(1000))
@app.route('/hello')
async def hello_route(request):
return HTTPResponse(body=random_num)
request, response = app.test_client.get('/hello')
assert response.text == str(random_num)
async def sample_streaming_fn(response):
await response.write('foo,')
await asyncio.sleep(.001)
await response.write('bar')
@pytest.fixture
def streaming_app():
app = Sanic('streaming')
@app.route("/")
async def test(request):
return stream(sample_streaming_fn, content_type='text/csv')
return app
def test_streaming_adds_correct_headers(streaming_app):
request, response = streaming_app.test_client.get('/')
assert response.headers['Transfer-Encoding'] == 'chunked'
assert response.headers['Content-Type'] == 'text/csv'
def test_streaming_returns_correct_content(streaming_app):
request, response = streaming_app.test_client.get('/')
assert response.text == 'foo,bar'
@pytest.mark.parametrize('status', [200, 201, 400, 401])
def test_stream_response_status_returns_correct_headers(status):
response = StreamingHTTPResponse(sample_streaming_fn, status=status)
headers = response.get_headers()
assert b"HTTP/1.1 %s" % str(status).encode() in headers
@pytest.mark.parametrize('keep_alive_timeout', [10, 20, 30])
def test_stream_response_keep_alive_returns_correct_headers(
keep_alive_timeout):
response = StreamingHTTPResponse(sample_streaming_fn)
headers = response.get_headers(
keep_alive=True, keep_alive_timeout=keep_alive_timeout)
assert b"Keep-Alive: %s\r\n" % str(keep_alive_timeout).encode() in headers
def test_stream_response_includes_chunked_header():
response = StreamingHTTPResponse(sample_streaming_fn)
headers = response.get_headers()
assert b"Transfer-Encoding: chunked\r\n" in headers
def test_stream_response_writes_correct_content_to_transport(streaming_app):
response = StreamingHTTPResponse(sample_streaming_fn)
response.transport = MagicMock(asyncio.Transport)
@streaming_app.listener('after_server_start')
async def run_stream(app, loop):
await response.stream()
assert response.transport.write.call_args_list[1][0][0] == (
b'4\r\nfoo,\r\n'
)
assert response.transport.write.call_args_list[2][0][0] == (
b'3\r\nbar\r\n'
)
assert response.transport.write.call_args_list[3][0][0] == (
b'0\r\n\r\n'
)
app.stop()
streaming_app.run(host=HOST, port=PORT)