229 lines
8.1 KiB
Python
229 lines
8.1 KiB
Python
import asyncio
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import inspect
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import os
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from aiofiles import os as async_os
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from mimetypes import guess_type
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from urllib.parse import unquote
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import pytest
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from random import choice
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from sanic import Sanic
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from sanic.response import HTTPResponse, stream, StreamingHTTPResponse, file, file_stream, json
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from sanic.testing import HOST, PORT
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from unittest.mock import MagicMock
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JSON_DATA = {'ok': True}
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def test_response_body_not_a_string():
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"""Test when a response body sent from the application is not a string"""
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app = Sanic('response_body_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 HTTPResponse(body=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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response.write('foo,')
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await asyncio.sleep(.001)
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response.write('bar')
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@pytest.fixture
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def json_app():
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app = Sanic('json')
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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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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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@pytest.fixture
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def streaming_app():
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app = Sanic('streaming')
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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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return app
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def test_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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def test_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.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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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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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():
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response = StreamingHTTPResponse(sample_streaming_fn)
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headers = response.get_headers()
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assert b"Transfer-Encoding: chunked\r\n" in headers
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def test_stream_response_writes_correct_content_to_transport(streaming_app):
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response = StreamingHTTPResponse(sample_streaming_fn)
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response.transport = MagicMock(asyncio.Transport)
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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.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.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.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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app.stop()
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streaming_app.run(host=HOST, port=PORT)
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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('file_name', ['test.file', 'decode me.txt', 'python.png'])
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def test_file_response(file_name, static_file_directory):
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app = Sanic('test_file_helper')
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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, mime_type=guess_type(file_path)[0] or 'text/plain')
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request, response = app.test_client.get('/files/{}'.format(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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@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
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def test_file_head_response(file_name, static_file_directory):
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app = Sanic('test_file_helper')
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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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else:
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return file(file_path, headers=headers,
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mime_type=guess_type(file_path)[0] or 'text/plain')
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request, response = app.test_client.head('/files/{}'.format(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[
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'Content-Length']) == len(
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get_file_content(static_file_directory, file_name))
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@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt', 'python.png'])
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def test_file_stream_response(file_name, static_file_directory):
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app = Sanic('test_file_helper')
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app.config.REQUEST_TIMEOUT = 120
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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,
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mime_type=guess_type(file_path)[0] or 'text/plain')
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request, response = app.test_client.get('/files/{}'.format(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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@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
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def test_file_stream_head_response(file_name, static_file_directory):
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app = Sanic('test_file_helper')
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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 = dict()
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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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else:
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return file_stream(file_path, chunk_size=32, headers=headers,
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mime_type=guess_type(file_path)[0] or 'text/plain')
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request, response = app.test_client.head('/files/{}'.format(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[
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'Content-Length']) == len(
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get_file_content(static_file_directory, file_name))
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