c0839afdde
In ASGI-mode, don't do sanic-side response chunk encoding, leave that to the ASGI-response-transport Don't set content-length when using chunked-encoding in ASGI mode, this is incompatible with ASGI Chunked Transport-Encoding.
641 lines
20 KiB
Python
641 lines
20 KiB
Python
import asyncio
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import inspect
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import os
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import warnings
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from collections import namedtuple
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from mimetypes import guess_type
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from random import choice
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from unittest.mock import MagicMock
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from urllib.parse import unquote
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import pytest
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from aiofiles import os as async_os
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from sanic.response import (
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HTTPResponse,
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StreamingHTTPResponse,
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empty,
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file,
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file_stream,
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json,
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raw,
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stream,
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text,
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)
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from sanic.server import HttpProtocol
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from sanic.testing import HOST, PORT
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JSON_DATA = {"ok": True}
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@pytest.mark.filterwarnings("ignore:Types other than str will be")
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def test_response_body_not_a_string(app):
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"""Test when a response body sent from the application is not a string"""
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random_num = choice(range(1000))
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@app.route("/hello")
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async def hello_route(request):
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return text(random_num)
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request, response = app.test_client.get("/hello")
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assert response.text == str(random_num)
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async def sample_streaming_fn(response):
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await response.write("foo,")
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await asyncio.sleep(0.001)
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await response.write("bar")
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def test_method_not_allowed(app):
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@app.get("/")
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async def test_get(request):
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return response.json({"hello": "world"})
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request, response = app.test_client.head("/")
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assert response.headers["Allow"] == "GET"
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request, response = app.test_client.post("/")
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assert response.headers["Allow"] == "GET"
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@app.post("/")
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async def test_post(request):
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return response.json({"hello": "world"})
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request, response = app.test_client.head("/")
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assert response.status == 405
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assert set(response.headers["Allow"].split(", ")) == {"GET", "POST"}
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assert response.headers["Content-Length"] == "0"
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request, response = app.test_client.patch("/")
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assert response.status == 405
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assert set(response.headers["Allow"].split(", ")) == {"GET", "POST"}
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assert response.headers["Content-Length"] == "0"
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def test_response_header(app):
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@app.get("/")
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async def test(request):
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return json({"ok": True}, headers={"CONTENT-TYPE": "application/json"})
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request, response = app.test_client.get("/")
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assert dict(response.headers) == {
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"connection": "keep-alive",
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"keep-alive": str(app.config.KEEP_ALIVE_TIMEOUT),
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"content-length": "11",
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"content-type": "application/json",
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}
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def test_response_content_length(app):
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@app.get("/response_with_space")
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async def response_with_space(request):
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return json(
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{"message": "Data", "details": "Some Details"},
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headers={"CONTENT-TYPE": "application/json"},
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)
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@app.get("/response_without_space")
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async def response_without_space(request):
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return json(
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{"message": "Data", "details": "Some Details"},
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headers={"CONTENT-TYPE": "application/json"},
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)
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_, response = app.test_client.get("/response_with_space")
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content_length_for_response_with_space = response.headers.get(
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"Content-Length"
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)
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_, response = app.test_client.get("/response_without_space")
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content_length_for_response_without_space = response.headers.get(
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"Content-Length"
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)
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assert (
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content_length_for_response_with_space
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== content_length_for_response_without_space
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)
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assert content_length_for_response_with_space == "43"
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def test_response_content_length_with_different_data_types(app):
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@app.get("/")
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async def get_data_with_different_types(request):
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# Indentation issues in the Response is intentional. Please do not fix
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return json(
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{"bool": True, "none": None, "string": "string", "number": -1},
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headers={"CONTENT-TYPE": "application/json"},
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)
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_, response = app.test_client.get("/")
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assert response.headers.get("Content-Length") == "55"
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@pytest.fixture
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def json_app(app):
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@app.route("/")
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async def test(request):
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return json(JSON_DATA)
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@app.get("/no-content")
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async def no_content_handler(request):
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return json(JSON_DATA, status=204)
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@app.get("/no-content/unmodified")
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async def no_content_unmodified_handler(request):
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return json(None, status=304)
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@app.get("/unmodified")
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async def unmodified_handler(request):
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return json(JSON_DATA, status=304)
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@app.delete("/")
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async def delete_handler(request):
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return json(None, status=204)
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return app
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def test_json_response(json_app):
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from sanic.response import json_dumps
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request, response = json_app.test_client.get("/")
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assert response.status == 200
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assert response.text == json_dumps(JSON_DATA)
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assert response.json == JSON_DATA
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def test_no_content(json_app):
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request, response = json_app.test_client.get("/no-content")
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assert response.status == 204
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assert response.text == ""
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assert "Content-Length" not in response.headers
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request, response = json_app.test_client.get("/no-content/unmodified")
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assert response.status == 304
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assert response.text == ""
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assert "Content-Length" not in response.headers
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assert "Content-Type" not in response.headers
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request, response = json_app.test_client.get("/unmodified")
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assert response.status == 304
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assert response.text == ""
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assert "Content-Length" not in response.headers
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assert "Content-Type" not in response.headers
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request, response = json_app.test_client.delete("/")
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assert response.status == 204
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assert response.text == ""
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assert "Content-Length" not in response.headers
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@pytest.fixture
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def streaming_app(app):
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@app.route("/")
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async def test(request):
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return stream(
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sample_streaming_fn,
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headers={"Content-Length": "7"},
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content_type="text/csv",
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)
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return app
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@pytest.fixture
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def non_chunked_streaming_app(app):
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@app.route("/")
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async def test(request):
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return stream(
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sample_streaming_fn,
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headers={"Content-Length": "7"},
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content_type="text/csv",
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chunked=False,
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)
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return app
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def test_chunked_streaming_adds_correct_headers(streaming_app):
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request, response = streaming_app.test_client.get("/")
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assert response.headers["Transfer-Encoding"] == "chunked"
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assert response.headers["Content-Type"] == "text/csv"
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# Content-Length is not allowed by HTTP/1.1 specification
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# when "Transfer-Encoding: chunked" is used
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assert "Content-Length" not in response.headers
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def test_chunked_streaming_returns_correct_content(streaming_app):
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request, response = streaming_app.test_client.get("/")
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assert response.text == "foo,bar"
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@pytest.mark.asyncio
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async def test_chunked_streaming_returns_correct_content_asgi(streaming_app):
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request, response = await streaming_app.asgi_client.get("/")
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assert response.text == "foo,bar"
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def test_non_chunked_streaming_adds_correct_headers(non_chunked_streaming_app):
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request, response = non_chunked_streaming_app.test_client.get("/")
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assert "Transfer-Encoding" not in response.headers
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assert response.headers["Content-Type"] == "text/csv"
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assert response.headers["Content-Length"] == "7"
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@pytest.mark.asyncio
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async def test_non_chunked_streaming_adds_correct_headers_asgi(
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non_chunked_streaming_app,
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):
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request, response = await non_chunked_streaming_app.asgi_client.get("/")
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assert "Transfer-Encoding" not in response.headers
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assert response.headers["Content-Type"] == "text/csv"
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assert response.headers["Content-Length"] == "7"
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def test_non_chunked_streaming_returns_correct_content(
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non_chunked_streaming_app,
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):
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request, response = non_chunked_streaming_app.test_client.get("/")
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assert response.text == "foo,bar"
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@pytest.mark.parametrize("status", [200, 201, 400, 401])
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def test_stream_response_status_returns_correct_headers(status):
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response = StreamingHTTPResponse(sample_streaming_fn, status=status)
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headers = response.get_headers()
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assert b"HTTP/1.1 %s" % str(status).encode() in headers
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@pytest.mark.parametrize("keep_alive_timeout", [10, 20, 30])
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def test_stream_response_keep_alive_returns_correct_headers(
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keep_alive_timeout,
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):
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response = StreamingHTTPResponse(sample_streaming_fn)
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headers = response.get_headers(
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keep_alive=True, keep_alive_timeout=keep_alive_timeout
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)
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assert b"Keep-Alive: %s\r\n" % str(keep_alive_timeout).encode() in headers
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def test_stream_response_includes_chunked_header_http11():
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response = StreamingHTTPResponse(sample_streaming_fn)
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headers = response.get_headers(version="1.1")
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assert b"Transfer-Encoding: chunked\r\n" in headers
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def test_stream_response_does_not_include_chunked_header_http10():
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response = StreamingHTTPResponse(sample_streaming_fn)
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headers = response.get_headers(version="1.0")
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assert b"Transfer-Encoding: chunked\r\n" not in headers
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def test_stream_response_does_not_include_chunked_header_if_disabled():
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response = StreamingHTTPResponse(sample_streaming_fn, chunked=False)
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headers = response.get_headers(version="1.1")
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assert b"Transfer-Encoding: chunked\r\n" not in headers
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def test_stream_response_writes_correct_content_to_transport_when_chunked(
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streaming_app,
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):
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response = StreamingHTTPResponse(sample_streaming_fn)
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response.protocol = MagicMock(HttpProtocol)
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response.protocol.transport = MagicMock(asyncio.Transport)
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async def mock_drain():
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pass
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async def mock_push_data(data):
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response.protocol.transport.write(data)
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response.protocol.push_data = mock_push_data
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response.protocol.drain = mock_drain
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@streaming_app.listener("after_server_start")
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async def run_stream(app, loop):
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await response.stream()
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assert response.protocol.transport.write.call_args_list[1][0][0] == (
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b"4\r\nfoo,\r\n"
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)
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assert response.protocol.transport.write.call_args_list[2][0][0] == (
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b"3\r\nbar\r\n"
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)
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assert response.protocol.transport.write.call_args_list[3][0][0] == (
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b"0\r\n\r\n"
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)
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assert len(response.protocol.transport.write.call_args_list) == 4
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app.stop()
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streaming_app.run(host=HOST, port=PORT)
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def test_stream_response_writes_correct_content_to_transport_when_not_chunked(
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streaming_app,
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):
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response = StreamingHTTPResponse(sample_streaming_fn)
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response.protocol = MagicMock(HttpProtocol)
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response.protocol.transport = MagicMock(asyncio.Transport)
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async def mock_drain():
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pass
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async def mock_push_data(data):
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response.protocol.transport.write(data)
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response.protocol.push_data = mock_push_data
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response.protocol.drain = mock_drain
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@streaming_app.listener("after_server_start")
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async def run_stream(app, loop):
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await response.stream(version="1.0")
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assert response.protocol.transport.write.call_args_list[1][0][0] == (
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b"foo,"
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)
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assert response.protocol.transport.write.call_args_list[2][0][0] == (
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b"bar"
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)
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assert len(response.protocol.transport.write.call_args_list) == 3
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app.stop()
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streaming_app.run(host=HOST, port=PORT)
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def test_stream_response_with_cookies(app):
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@app.route("/")
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async def test(request):
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response = stream(sample_streaming_fn, content_type="text/csv")
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response.cookies["test"] = "modified"
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response.cookies["test"] = "pass"
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return response
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request, response = app.test_client.get("/")
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assert response.cookies["test"] == "pass"
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def test_stream_response_without_cookies(app):
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@app.route("/")
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async def test(request):
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return stream(sample_streaming_fn, content_type="text/csv")
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request, response = app.test_client.get("/")
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assert response.cookies == {}
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@pytest.fixture
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def static_file_directory():
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"""The static directory to serve"""
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current_file = inspect.getfile(inspect.currentframe())
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current_directory = os.path.dirname(os.path.abspath(current_file))
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static_directory = os.path.join(current_directory, "static")
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return static_directory
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def get_file_content(static_file_directory, file_name):
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"""The content of the static file to check"""
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with open(os.path.join(static_file_directory, file_name), "rb") as file:
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return file.read()
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@pytest.mark.parametrize(
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"file_name", ["test.file", "decode me.txt", "python.png"]
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)
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@pytest.mark.parametrize("status", [200, 401])
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def test_file_response(app, file_name, static_file_directory, status):
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@app.route("/files/<filename>", methods=["GET"])
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def file_route(request, filename):
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file_path = os.path.join(static_file_directory, filename)
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file_path = os.path.abspath(unquote(file_path))
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return file(
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file_path,
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status=status,
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mime_type=guess_type(file_path)[0] or "text/plain",
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)
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request, response = app.test_client.get(f"/files/{file_name}")
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assert response.status == status
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assert response.body == get_file_content(static_file_directory, file_name)
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assert "Content-Disposition" not in response.headers
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@pytest.mark.parametrize(
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"source,dest",
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[
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("test.file", "my_file.txt"),
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("decode me.txt", "readme.md"),
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("python.png", "logo.png"),
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],
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)
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def test_file_response_custom_filename(
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app, source, dest, static_file_directory
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):
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@app.route("/files/<filename>", methods=["GET"])
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def file_route(request, filename):
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file_path = os.path.join(static_file_directory, filename)
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file_path = os.path.abspath(unquote(file_path))
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return file(file_path, filename=dest)
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request, response = app.test_client.get(f"/files/{source}")
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assert response.status == 200
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assert response.body == get_file_content(static_file_directory, source)
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assert (
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response.headers["Content-Disposition"]
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== f'attachment; filename="{dest}"'
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)
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@pytest.mark.parametrize("file_name", ["test.file", "decode me.txt"])
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def test_file_head_response(app, file_name, static_file_directory):
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@app.route("/files/<filename>", methods=["GET", "HEAD"])
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async def file_route(request, filename):
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file_path = os.path.join(static_file_directory, filename)
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file_path = os.path.abspath(unquote(file_path))
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stats = await async_os.stat(file_path)
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headers = dict()
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headers["Accept-Ranges"] = "bytes"
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headers["Content-Length"] = str(stats.st_size)
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if request.method == "HEAD":
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return HTTPResponse(
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headers=headers,
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content_type=guess_type(file_path)[0] or "text/plain",
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)
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else:
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return file(
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file_path,
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headers=headers,
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mime_type=guess_type(file_path)[0] or "text/plain",
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)
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request, response = app.test_client.head(f"/files/{file_name}")
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assert response.status == 200
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assert "Accept-Ranges" in response.headers
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assert "Content-Length" in response.headers
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assert int(response.headers["Content-Length"]) == len(
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get_file_content(static_file_directory, file_name)
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)
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@pytest.mark.parametrize(
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"file_name", ["test.file", "decode me.txt", "python.png"]
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)
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def test_file_stream_response(app, file_name, static_file_directory):
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@app.route("/files/<filename>", methods=["GET"])
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def file_route(request, filename):
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file_path = os.path.join(static_file_directory, filename)
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file_path = os.path.abspath(unquote(file_path))
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return file_stream(
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file_path,
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chunk_size=32,
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mime_type=guess_type(file_path)[0] or "text/plain",
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)
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request, response = app.test_client.get(f"/files/{file_name}")
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assert response.status == 200
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assert response.body == get_file_content(static_file_directory, file_name)
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assert "Content-Disposition" not in response.headers
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|
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@pytest.mark.parametrize(
|
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"source,dest",
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[
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("test.file", "my_file.txt"),
|
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("decode me.txt", "readme.md"),
|
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("python.png", "logo.png"),
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],
|
|
)
|
|
def test_file_stream_response_custom_filename(
|
|
app, source, dest, static_file_directory
|
|
):
|
|
@app.route("/files/<filename>", methods=["GET"])
|
|
def file_route(request, filename):
|
|
file_path = os.path.join(static_file_directory, filename)
|
|
file_path = os.path.abspath(unquote(file_path))
|
|
return file_stream(file_path, chunk_size=32, filename=dest)
|
|
|
|
request, response = app.test_client.get(f"/files/{source}")
|
|
assert response.status == 200
|
|
assert response.body == get_file_content(static_file_directory, source)
|
|
assert (
|
|
response.headers["Content-Disposition"]
|
|
== f'attachment; filename="{dest}"'
|
|
)
|
|
|
|
|
|
@pytest.mark.parametrize("file_name", ["test.file", "decode me.txt"])
|
|
def test_file_stream_head_response(app, file_name, static_file_directory):
|
|
@app.route("/files/<filename>", methods=["GET", "HEAD"])
|
|
async def file_route(request, filename):
|
|
file_path = os.path.join(static_file_directory, filename)
|
|
file_path = os.path.abspath(unquote(file_path))
|
|
headers = dict()
|
|
headers["Accept-Ranges"] = "bytes"
|
|
if request.method == "HEAD":
|
|
# Return a normal HTTPResponse, not a
|
|
# StreamingHTTPResponse for a HEAD request
|
|
stats = await async_os.stat(file_path)
|
|
headers["Content-Length"] = str(stats.st_size)
|
|
return HTTPResponse(
|
|
headers=headers,
|
|
content_type=guess_type(file_path)[0] or "text/plain",
|
|
)
|
|
else:
|
|
return file_stream(
|
|
file_path,
|
|
chunk_size=32,
|
|
headers=headers,
|
|
mime_type=guess_type(file_path)[0] or "text/plain",
|
|
)
|
|
|
|
request, response = app.test_client.head(f"/files/{file_name}")
|
|
assert response.status == 200
|
|
# A HEAD request should never be streamed/chunked.
|
|
if "Transfer-Encoding" in response.headers:
|
|
assert response.headers["Transfer-Encoding"] != "chunked"
|
|
assert "Accept-Ranges" in response.headers
|
|
# A HEAD request should get the Content-Length too
|
|
assert "Content-Length" in response.headers
|
|
assert int(response.headers["Content-Length"]) == len(
|
|
get_file_content(static_file_directory, file_name)
|
|
)
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"file_name", ["test.file", "decode me.txt", "python.png"]
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"size,start,end", [(1024, 0, 1024), (4096, 1024, 8192)]
|
|
)
|
|
def test_file_stream_response_range(
|
|
app, file_name, static_file_directory, size, start, end
|
|
):
|
|
|
|
Range = namedtuple("Range", ["size", "start", "end", "total"])
|
|
total = len(get_file_content(static_file_directory, file_name))
|
|
range = Range(size=size, start=start, end=end, total=total)
|
|
|
|
@app.route("/files/<filename>", methods=["GET"])
|
|
def file_route(request, filename):
|
|
file_path = os.path.join(static_file_directory, filename)
|
|
file_path = os.path.abspath(unquote(file_path))
|
|
return file_stream(
|
|
file_path,
|
|
chunk_size=32,
|
|
mime_type=guess_type(file_path)[0] or "text/plain",
|
|
_range=range,
|
|
)
|
|
|
|
request, response = app.test_client.get(f"/files/{file_name}")
|
|
assert response.status == 206
|
|
assert "Content-Range" in response.headers
|
|
assert (
|
|
response.headers["Content-Range"]
|
|
== f"bytes {range.start}-{range.end}/{range.total}"
|
|
)
|
|
|
|
|
|
def test_raw_response(app):
|
|
@app.get("/test")
|
|
def handler(request):
|
|
return raw(b"raw_response")
|
|
|
|
request, response = app.test_client.get("/test")
|
|
assert response.content_type == "application/octet-stream"
|
|
assert response.body == b"raw_response"
|
|
|
|
|
|
def test_empty_response(app):
|
|
@app.get("/test")
|
|
def handler(request):
|
|
return empty()
|
|
|
|
request, response = app.test_client.get("/test")
|
|
assert response.content_type is None
|
|
assert response.body == b""
|
|
|
|
|
|
def test_response_body_bytes_deprecated(app):
|
|
with warnings.catch_warnings(record=True) as w:
|
|
warnings.simplefilter("always")
|
|
|
|
HTTPResponse(body_bytes=b"bytes")
|
|
|
|
assert len(w) == 1
|
|
assert issubclass(w[0].category, DeprecationWarning)
|
|
assert (
|
|
"Parameter `body_bytes` is deprecated, use `body` instead"
|
|
in str(w[0].message)
|
|
)
|