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import os
import sys
import unittest
import six
if six.PY3:
from unittest import mock
else:
import mock
if sys.version_info >= (3, 5):
import asyncio
from asyncio import coroutine
from engineio import async_asgi
def AsyncMock(*args, **kwargs):
"""Return a mock asynchronous function."""
m = mock.MagicMock(*args, **kwargs)
@coroutine
def mock_coro(*args, **kwargs):
return m(*args, **kwargs)
mock_coro.mock = m
return mock_coro
def _run(coro):
"""Run the given coroutine."""
return asyncio.get_event_loop().run_until_complete(coro)
@unittest.skipIf(sys.version_info < (3, 5), 'only for Python 3.5+')
class AsgiTests(unittest.TestCase):
def test_create_app(self):
app = async_asgi.ASGIApp(
'eio', 'other_app', static_files='static_files',
engineio_path='/foo')
self.assertEqual(app.engineio_server, 'eio')
self.assertEqual(app.other_asgi_app, 'other_app')
self.assertEqual(app.static_files, 'static_files')
self.assertEqual(app.engineio_path, 'foo'),
def test_engineio_routing(self):
mock_server = mock.MagicMock()
mock_server.handle_request = AsyncMock()
app = async_asgi.ASGIApp(mock_server)
scope = {'type': 'http', 'path': '/engine.io/'}
handler = app(scope)
_run(handler('receive', 'send'))
mock_server.handle_request.mock.assert_called_once_with(
scope, 'receive', 'send')
def test_other_app_routing(self):
other_app = mock.MagicMock()
app = async_asgi.ASGIApp('eio', other_app)
scope = {'type': 'http', 'path': '/foo'}
app(scope)
other_app.assert_called_once_with(scope)
def test_static_file_routing(self):
root_dir = os.path.dirname(__file__)
app = async_asgi.ASGIApp('eio', static_files={
'/foo': {'content_type': 'text/html',
'filename': root_dir + '/index.html'}
})
handler = app({'type': 'http', 'path': '/foo'})
receive = AsyncMock(return_value={'type': 'http.request'})
send = AsyncMock()
_run(handler(receive, send))
send.mock.assert_called_with({'type': 'http.response.body',
'body': b'<html></html>\n'})
def test_lifespan_startup(self):
app = async_asgi.ASGIApp('eio')
handler = app({'type': 'lifespan'})
receive = AsyncMock(return_value={'type': 'lifespan.startup'})
send = AsyncMock()
_run(handler(receive, send))
send.mock.assert_called_once_with(
{'type': 'lifespan.startup.complete'})
def test_lifespan_shutdown(self):
app = async_asgi.ASGIApp('eio')
handler = app({'type': 'lifespan'})
receive = AsyncMock(return_value={'type': 'lifespan.shutdown'})
send = AsyncMock()
_run(handler(receive, send))
send.mock.assert_called_once_with(
{'type': 'lifespan.shutdown.complete'})
def test_lifespan_invalid(self):
app = async_asgi.ASGIApp('eio')
handler = app({'type': 'lifespan'})
receive = AsyncMock(return_value={'type': 'lifespan.foo'})
send = AsyncMock()
_run(handler(receive, send))
send.mock.assert_not_called()
def test_not_found(self):
app = async_asgi.ASGIApp('eio')
handler = app({'type': 'http', 'path': '/foo'})
receive = AsyncMock(return_value={'type': 'http.request'})
send = AsyncMock()
_run(handler(receive, send))
send.mock.assert_any_call(
{'type': 'http.response.start', 'status': 404,
'headers': [(b'Content-Type', b'text/plain')]})
send.mock.assert_any_call({'type': 'http.response.body',
'body': b'not found'})
def test_translate_request(self):
receive = AsyncMock(return_value={'type': 'http.request',
'body': b'hello world'})
send = AsyncMock()
environ = _run(async_asgi.translate_request({
'type': 'http',
'method': 'PUT',
'headers': [(b'a', b'b'), (b'c-c', b'd'), (b'c_c', b'e'),
(b'content-type', b'application/json'),
(b'content-length', b'123')],
'path': '/foo/bar',
'query_string': b'baz=1'}, receive, send))
expected_environ = {
'REQUEST_METHOD': 'PUT',
'PATH_INFO': '/foo/bar',
'QUERY_STRING': 'baz=1',
'CONTENT_TYPE': 'application/json',
'CONTENT_LENGTH': '123',
'HTTP_A': 'b',
# 'HTTP_C_C': 'd,e',
'RAW_URI': '/foo/bar?baz=1',
'SERVER_PROTOCOL': 'HTTP/1.1',
'asgi.receive': receive,
'asgi.send': send
}
for k, v in expected_environ.items():
self.assertEqual(v, environ[k])
self.assertTrue(
environ['HTTP_C_C'] == 'd,e' or environ['HTTP_C_C'] == 'e,d')
body = _run(environ['wsgi.input'].read())
self.assertEqual(body, b'hello world')
def test_translate_request_no_query_string(self):
receive = AsyncMock(return_value={'type': 'http.request',
'body': b'hello world'})
send = AsyncMock()
environ = _run(async_asgi.translate_request({
'type': 'http',
'method': 'PUT',
'headers': [(b'a', b'b'), (b'c-c', b'd'), (b'c_c', b'e'),
(b'content-type', b'application/json'),
(b'content-length', b'123')],
'path': '/foo/bar'}, receive, send))
expected_environ = {
'REQUEST_METHOD': 'PUT',
'PATH_INFO': '/foo/bar',
'QUERY_STRING': '',
'CONTENT_TYPE': 'application/json',
'CONTENT_LENGTH': '123',
'HTTP_A': 'b',
# 'HTTP_C_C': 'd,e',
'RAW_URI': '/foo/bar',
'SERVER_PROTOCOL': 'HTTP/1.1',
'asgi.receive': receive,
'asgi.send': send
}
for k, v in expected_environ.items():
self.assertEqual(v, environ[k])
self.assertTrue(
environ['HTTP_C_C'] == 'd,e' or environ['HTTP_C_C'] == 'e,d')
body = _run(environ['wsgi.input'].read())
self.assertEqual(body, b'hello world')
def test_translate_request_with_large_body(self):
receive = AsyncMock(side_effect=[
{'type': 'http.request', 'body': b'hello ', 'more_body': True},
{'type': 'http.request', 'body': b'world', 'more_body': True},
{'type': 'foo.bar'}, # should stop parsing here
{'type': 'http.request', 'body': b'!!!'},
])
send = AsyncMock()
environ = _run(async_asgi.translate_request({
'type': 'http',
'method': 'PUT',
'headers': [(b'a', b'b'), (b'c-c', b'd'), (b'c_c', b'e'),
(b'content-type', b'application/json'),
(b'content-length', b'123')],
'path': '/foo/bar',
'query_string': b'baz=1'}, receive, send))
expected_environ = {
'REQUEST_METHOD': 'PUT',
'PATH_INFO': '/foo/bar',
'QUERY_STRING': 'baz=1',
'CONTENT_TYPE': 'application/json',
'CONTENT_LENGTH': '123',
'HTTP_A': 'b',
# 'HTTP_C_C': 'd,e',
'RAW_URI': '/foo/bar?baz=1',
'SERVER_PROTOCOL': 'HTTP/1.1',
'asgi.receive': receive,
'asgi.send': send
}
for k, v in expected_environ.items():
self.assertEqual(v, environ[k])
self.assertTrue(
environ['HTTP_C_C'] == 'd,e' or environ['HTTP_C_C'] == 'e,d')
body = _run(environ['wsgi.input'].read())
self.assertEqual(body, b'hello world')
def test_translate_websocket_request(self):
receive = AsyncMock(return_value={'type': 'websocket.connect'})
send = AsyncMock()
_run(async_asgi.translate_request({
'type': 'websocket',
'headers': [(b'a', b'b'), (b'c-c', b'd'), (b'c_c', b'e'),
(b'content-type', b'application/json'),
(b'content-length', b'123')],
'path': '/foo/bar',
'query_string': b'baz=1'}, receive, send))
send.mock.assert_called_once_with({'type': 'websocket.accept'})
def test_translate_unknown_request(self):
receive = AsyncMock(return_value={'type': 'http.foo'})
send = AsyncMock()
environ = _run(async_asgi.translate_request({
'type': 'http',
'path': '/foo/bar',
'query_string': b'baz=1'}, receive, send))
self.assertEqual(environ, {})
# @mock.patch('async_aiohttp.aiohttp.web.Response')
def test_make_response(self):
environ = {
'asgi.send': AsyncMock()
}
_run(async_asgi.make_response('202 ACCEPTED', [('foo', 'bar')],
b'payload', environ))
print(environ['asgi.send'].mock.call_args_list)
environ['asgi.send'].mock.assert_any_call(
{'type': 'http.response.start', 'status': 202,
'headers': [(b'foo', b'bar')]})
environ['asgi.send'].mock.assert_any_call(
{'type': 'http.response.body', 'body': b'payload'})
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