813 lines
26 KiB
Python
813 lines
26 KiB
Python
import asyncio
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import inspect
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import os
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from collections import namedtuple
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from datetime import datetime
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from email.utils import formatdate
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from logging import ERROR, LogRecord
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from mimetypes import guess_type
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from pathlib import Path
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from random import choice
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from typing import Callable, List, Union
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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 pytest import LogCaptureFixture
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from sanic import Request, Sanic
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from sanic.compat import Header
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from sanic.cookies import CookieJar
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from sanic.response import (
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HTTPResponse,
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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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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: 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.status == 500
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assert b"Internal Server Error" in response.body
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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():
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app = Sanic("app")
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@app.get("/")
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async def test_get(request: 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 set(response.headers["Allow"].split(", ")) == {
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"GET",
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}
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request, response = app.test_client.post("/")
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assert set(response.headers["Allow"].split(", ")) == {
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"GET",
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}
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app.router.reset()
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@app.post("/")
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async def test_post(request: 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(", ")) == {
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"GET",
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"POST",
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}
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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(", ")) == {
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"GET",
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"POST",
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}
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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: 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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"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: 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: 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: 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: 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: 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: 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: 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: 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: Request):
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return stream(
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sample_streaming_fn,
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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: 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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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.body == b"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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def test_stream_response_with_cookies_legacy(app):
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@app.route("/")
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async def test(request: 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_with_cookies(app):
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@app.route("/")
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async def test(request: Request):
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headers = Header()
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cookies = CookieJar(headers)
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cookies["test"] = "modified"
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cookies["test"] = "pass"
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response = await request.respond(
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content_type="text/csv", headers=headers
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)
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await response.send("foo,")
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await asyncio.sleep(0.001)
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await response.send("bar")
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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: 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 path_str_to_path_obj(static_file_directory: Union[Path, str]):
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if isinstance(static_file_directory, str):
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static_file_directory = Path(static_file_directory)
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return static_file_directory
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def get_file_content(static_file_directory: Union[Path, str], file_name: str):
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"""The content of the static file to check"""
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static_file_directory = path_str_to_path_obj(static_file_directory)
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with open(static_file_directory / file_name, "rb") as file:
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return file.read()
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def get_file_last_modified_timestamp(
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static_file_directory: Union[Path, str], file_name: str
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):
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"""The content of the static file to check"""
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static_file_directory = path_str_to_path_obj(static_file_directory)
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return (static_file_directory / file_name).stat().st_mtime
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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: Sanic, 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: Sanic, 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: Sanic, 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 = {}
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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: Sanic, 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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@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_stream_response_custom_filename(
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app: Sanic, 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_stream(file_path, chunk_size=32, 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_stream_head_response(
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app: Sanic, file_name, static_file_directory
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):
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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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headers = {}
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headers["Accept-Ranges"] = "bytes"
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if request.method == "HEAD":
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# Return a normal HTTPResponse, not a
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# StreamingHTTPResponse for a HEAD request
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stats = await async_os.stat(file_path)
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headers["Content-Length"] = str(stats.st_size)
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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_stream(
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file_path,
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chunk_size=32,
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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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# A HEAD request should never be streamed/chunked.
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if "Transfer-Encoding" in response.headers:
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assert response.headers["Transfer-Encoding"] != "chunked"
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assert "Accept-Ranges" in response.headers
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# A HEAD request should get the Content-Length too
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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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|
)
|
|
@pytest.mark.parametrize(
|
|
"size,start,end", [(1024, 0, 1024), (4096, 1024, 8192)]
|
|
)
|
|
def test_file_stream_response_range(
|
|
app: Sanic, 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: 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: Request):
|
|
return empty()
|
|
|
|
request, response = app.test_client.get("/test")
|
|
assert response.content_type is None
|
|
assert response.body == b""
|
|
|
|
|
|
def test_direct_response_stream(app: Sanic):
|
|
@app.route("/")
|
|
async def test(request: Request):
|
|
response = await request.respond(content_type="text/csv")
|
|
await response.send("foo,")
|
|
await response.send("bar")
|
|
await response.eof()
|
|
|
|
_, response = app.test_client.get("/")
|
|
assert response.text == "foo,bar"
|
|
assert response.headers["Transfer-Encoding"] == "chunked"
|
|
assert response.headers["Content-Type"] == "text/csv"
|
|
assert "Content-Length" not in response.headers
|
|
|
|
|
|
def test_two_respond_calls(app: Sanic):
|
|
@app.route("/")
|
|
async def handler(request: Request):
|
|
response = await request.respond()
|
|
await response.send("foo,")
|
|
await response.send("bar")
|
|
await response.eof()
|
|
|
|
|
|
def test_multiple_responses(
|
|
app: Sanic,
|
|
caplog: LogCaptureFixture,
|
|
message_in_records: Callable[[List[LogRecord], str], bool],
|
|
):
|
|
@app.route("/1")
|
|
async def handler1(request: Request):
|
|
response = await request.respond()
|
|
await response.send("foo")
|
|
response = await request.respond()
|
|
|
|
@app.route("/2")
|
|
async def handler2(request: Request):
|
|
response = await request.respond()
|
|
response = await request.respond()
|
|
await response.send("foo")
|
|
|
|
@app.get("/3")
|
|
async def handler3(request: Request):
|
|
response = await request.respond()
|
|
await response.send("foo,")
|
|
response = await request.respond()
|
|
await response.send("bar")
|
|
|
|
@app.get("/4")
|
|
async def handler4(request: Request):
|
|
response = await request.respond(headers={"one": "one"})
|
|
return json({"foo": "bar"}, headers={"one": "two"})
|
|
|
|
@app.get("/5")
|
|
async def handler5(request: Request):
|
|
response = await request.respond(headers={"one": "one"})
|
|
await response.send("foo")
|
|
return json({"foo": "bar"}, headers={"one": "two"})
|
|
|
|
@app.get("/6")
|
|
async def handler6(request: Request):
|
|
response = await request.respond(headers={"one": "one"})
|
|
await response.send("foo, ")
|
|
json_response = json({"foo": "bar"}, headers={"one": "two"})
|
|
await response.send("bar")
|
|
return json_response
|
|
|
|
error_msg0 = "Second respond call is not allowed."
|
|
|
|
error_msg1 = (
|
|
"The error response will not be sent to the client for the following "
|
|
'exception:"Second respond call is not allowed.". A previous '
|
|
"response has at least partially been sent."
|
|
)
|
|
|
|
error_msg2 = (
|
|
"The response object returned by the route handler "
|
|
"will not be sent to client. The request has already "
|
|
"been responded to."
|
|
)
|
|
|
|
error_msg3 = (
|
|
"Response stream was ended, no more "
|
|
"response data is allowed to be sent."
|
|
)
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/1")
|
|
assert response.status == 200
|
|
assert message_in_records(caplog.records, error_msg0)
|
|
assert message_in_records(caplog.records, error_msg1)
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/2")
|
|
assert response.status == 500
|
|
assert "500 — Internal Server Error" in response.text
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/3")
|
|
assert response.status == 200
|
|
assert "foo," in response.text
|
|
assert message_in_records(caplog.records, error_msg0)
|
|
assert message_in_records(caplog.records, error_msg1)
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/4")
|
|
print(response.json)
|
|
assert response.status == 200
|
|
assert "foo" not in response.text
|
|
assert "one" in response.headers
|
|
assert response.headers["one"] == "one"
|
|
|
|
print(response.headers)
|
|
assert message_in_records(caplog.records, error_msg2)
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/5")
|
|
assert response.status == 200
|
|
assert "foo" in response.text
|
|
assert "one" in response.headers
|
|
assert response.headers["one"] == "one"
|
|
assert message_in_records(caplog.records, error_msg2)
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/6")
|
|
assert "foo, bar" in response.text
|
|
assert "one" in response.headers
|
|
assert response.headers["one"] == "one"
|
|
assert message_in_records(caplog.records, error_msg2)
|
|
|
|
|
|
def send_response_after_eof_should_fail(
|
|
app: Sanic,
|
|
caplog: LogCaptureFixture,
|
|
message_in_records: Callable[[List[LogRecord], str], bool],
|
|
):
|
|
@app.get("/")
|
|
async def handler(request: Request):
|
|
response = await request.respond()
|
|
await response.send("foo, ")
|
|
await response.eof()
|
|
await response.send("bar")
|
|
|
|
error_msg1 = (
|
|
"The error response will not be sent to the client for the following "
|
|
'exception:"Second respond call is not allowed.". A previous '
|
|
"response has at least partially been sent."
|
|
)
|
|
|
|
error_msg2 = (
|
|
"Response stream was ended, no more "
|
|
"response data is allowed to be sent."
|
|
)
|
|
|
|
with caplog.at_level(ERROR):
|
|
_, response = app.test_client.get("/")
|
|
assert "foo, " in response.text
|
|
assert message_in_records(caplog.records, error_msg1)
|
|
assert message_in_records(caplog.records, error_msg2)
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"file_name", ["test.file", "decode me.txt", "python.png"]
|
|
)
|
|
def test_file_response_headers(
|
|
app: Sanic, file_name: str, static_file_directory: str
|
|
):
|
|
test_last_modified = datetime.now()
|
|
test_max_age = 10
|
|
test_expires = test_last_modified.timestamp() + test_max_age
|
|
|
|
@app.route("/files/cached/<filename>", methods=["GET"])
|
|
def file_route_cache(request, filename):
|
|
file_path = (Path(static_file_directory) / file_name).absolute()
|
|
return file(
|
|
file_path, max_age=test_max_age, last_modified=test_last_modified
|
|
)
|
|
|
|
@app.route(
|
|
"/files/cached_default_last_modified/<filename>", methods=["GET"]
|
|
)
|
|
def file_route_cache_default_last_modified(request, filename):
|
|
file_path = (Path(static_file_directory) / file_name).absolute()
|
|
return file(file_path, max_age=test_max_age)
|
|
|
|
@app.route("/files/no_cache/<filename>", methods=["GET"])
|
|
def file_route_no_cache(request, filename):
|
|
file_path = (Path(static_file_directory) / file_name).absolute()
|
|
return file(file_path)
|
|
|
|
@app.route("/files/no_store/<filename>", methods=["GET"])
|
|
def file_route_no_store(request, filename):
|
|
file_path = (Path(static_file_directory) / file_name).absolute()
|
|
return file(file_path, no_store=True)
|
|
|
|
_, response = app.test_client.get(f"/files/cached/{file_name}")
|
|
assert response.body == get_file_content(static_file_directory, file_name)
|
|
headers = response.headers
|
|
assert (
|
|
"cache-control" in headers
|
|
and f"max-age={test_max_age}" in headers.get("cache-control")
|
|
and f"public" in headers.get("cache-control")
|
|
)
|
|
assert (
|
|
"expires" in headers
|
|
and headers.get("expires")[:-6]
|
|
== formatdate(test_expires, usegmt=True)[:-6]
|
|
# [:-6] to allow at most 1 min difference
|
|
# It's minimal for cases like:
|
|
# Thu, 26 May 2022 05:36:49 GMT
|
|
# AND
|
|
# Thu, 26 May 2022 05:36:50 GMT
|
|
)
|
|
|
|
assert "last-modified" in headers and headers.get(
|
|
"last-modified"
|
|
) == formatdate(test_last_modified.timestamp(), usegmt=True)
|
|
|
|
_, response = app.test_client.get(
|
|
f"/files/cached_default_last_modified/{file_name}"
|
|
)
|
|
file_last_modified = get_file_last_modified_timestamp(
|
|
static_file_directory, file_name
|
|
)
|
|
headers = response.headers
|
|
assert "last-modified" in headers and headers.get(
|
|
"last-modified"
|
|
) == formatdate(file_last_modified, usegmt=True)
|
|
|
|
_, response = app.test_client.get(f"/files/no_cache/{file_name}")
|
|
headers = response.headers
|
|
assert "cache-control" in headers and f"no-cache" == headers.get(
|
|
"cache-control"
|
|
)
|
|
|
|
_, response = app.test_client.get(f"/files/no_store/{file_name}")
|
|
headers = response.headers
|
|
assert "cache-control" in headers and f"no-store" == headers.get(
|
|
"cache-control"
|
|
)
|