154 lines
6.7 KiB
Python
154 lines
6.7 KiB
Python
import asyncio
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import sys
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from unittest import skipIf
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from asgiref.testing import ApplicationCommunicator
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from django.core.asgi import get_asgi_application
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from django.core.signals import request_started
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from django.db import close_old_connections
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from django.test import AsyncRequestFactory, SimpleTestCase, override_settings
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from .urls import test_filename
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@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
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@override_settings(ROOT_URLCONF='asgi.urls')
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class ASGITest(SimpleTestCase):
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async_request_factory = AsyncRequestFactory()
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def setUp(self):
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request_started.disconnect(close_old_connections)
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def tearDown(self):
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request_started.connect(close_old_connections)
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async def test_get_asgi_application(self):
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"""
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get_asgi_application() returns a functioning ASGI callable.
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"""
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application = get_asgi_application()
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# Construct HTTP request.
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scope = self.async_request_factory._base_scope(path='/')
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communicator = ApplicationCommunicator(application, scope)
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await communicator.send_input({'type': 'http.request'})
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# Read the response.
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response_start = await communicator.receive_output()
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self.assertEqual(response_start['type'], 'http.response.start')
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self.assertEqual(response_start['status'], 200)
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self.assertEqual(
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set(response_start['headers']),
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{
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(b'Content-Length', b'12'),
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(b'Content-Type', b'text/html; charset=utf-8'),
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},
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)
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response_body = await communicator.receive_output()
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self.assertEqual(response_body['type'], 'http.response.body')
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self.assertEqual(response_body['body'], b'Hello World!')
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async def test_file_response(self):
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"""
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Makes sure that FileResponse works over ASGI.
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"""
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application = get_asgi_application()
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# Construct HTTP request.
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scope = self.async_request_factory._base_scope(path='/file/')
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communicator = ApplicationCommunicator(application, scope)
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await communicator.send_input({'type': 'http.request'})
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# Get the file content.
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with open(test_filename, 'rb') as test_file:
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test_file_contents = test_file.read()
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# Read the response.
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response_start = await communicator.receive_output()
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self.assertEqual(response_start['type'], 'http.response.start')
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self.assertEqual(response_start['status'], 200)
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self.assertEqual(
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set(response_start['headers']),
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{
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(b'Content-Length', str(len(test_file_contents)).encode('ascii')),
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(b'Content-Type', b'text/plain' if sys.platform == 'win32' else b'text/x-python'),
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(b'Content-Disposition', b'inline; filename="urls.py"'),
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},
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)
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response_body = await communicator.receive_output()
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self.assertEqual(response_body['type'], 'http.response.body')
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self.assertEqual(response_body['body'], test_file_contents)
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# Allow response.close() to finish.
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await communicator.wait()
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async def test_headers(self):
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application = get_asgi_application()
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communicator = ApplicationCommunicator(
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application,
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self.async_request_factory._base_scope(
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path='/meta/',
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headers=[
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[b'content-type', b'text/plain; charset=utf-8'],
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[b'content-length', b'77'],
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[b'referer', b'Scotland'],
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[b'referer', b'Wales'],
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],
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),
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)
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await communicator.send_input({'type': 'http.request'})
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response_start = await communicator.receive_output()
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self.assertEqual(response_start['type'], 'http.response.start')
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self.assertEqual(response_start['status'], 200)
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self.assertEqual(
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set(response_start['headers']),
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{
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(b'Content-Length', b'19'),
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(b'Content-Type', b'text/plain; charset=utf-8'),
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},
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)
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response_body = await communicator.receive_output()
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self.assertEqual(response_body['type'], 'http.response.body')
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self.assertEqual(response_body['body'], b'From Scotland,Wales')
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async def test_get_query_string(self):
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application = get_asgi_application()
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for query_string in (b'name=Andrew', 'name=Andrew'):
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with self.subTest(query_string=query_string):
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scope = self.async_request_factory._base_scope(
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path='/',
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query_string=query_string,
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)
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communicator = ApplicationCommunicator(application, scope)
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await communicator.send_input({'type': 'http.request'})
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response_start = await communicator.receive_output()
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self.assertEqual(response_start['type'], 'http.response.start')
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self.assertEqual(response_start['status'], 200)
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response_body = await communicator.receive_output()
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self.assertEqual(response_body['type'], 'http.response.body')
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self.assertEqual(response_body['body'], b'Hello Andrew!')
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async def test_disconnect(self):
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application = get_asgi_application()
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scope = self.async_request_factory._base_scope(path='/')
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communicator = ApplicationCommunicator(application, scope)
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await communicator.send_input({'type': 'http.disconnect'})
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with self.assertRaises(asyncio.TimeoutError):
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await communicator.receive_output()
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async def test_wrong_connection_type(self):
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application = get_asgi_application()
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scope = self.async_request_factory._base_scope(path='/', type='other')
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communicator = ApplicationCommunicator(application, scope)
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await communicator.send_input({'type': 'http.request'})
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msg = 'Django can only handle ASGI/HTTP connections, not other.'
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with self.assertRaisesMessage(ValueError, msg):
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await communicator.receive_output()
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async def test_non_unicode_query_string(self):
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application = get_asgi_application()
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scope = self.async_request_factory._base_scope(path='/', query_string=b'\xff')
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communicator = ApplicationCommunicator(application, scope)
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await communicator.send_input({'type': 'http.request'})
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response_start = await communicator.receive_output()
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self.assertEqual(response_start['type'], 'http.response.start')
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self.assertEqual(response_start['status'], 400)
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response_body = await communicator.receive_output()
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self.assertEqual(response_body['type'], 'http.response.body')
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self.assertEqual(response_body['body'], b'')
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