hass-core/tests/test_util/aiohttp.py
Pascal Vizeli 2dec38d8d4 TTS Component / Google speech platform (#4837)
* TTS Component / Google speech platform

* Change file backend handling / cache

* Use mimetype / rename Provider function / allow cache on service call

* Add a memcache for faster response

* Add demo platform

* First version of unittest

* Address comments

* improve error handling / address comments

* Add google unittest & check http response code

* Change url param handling

* add test for other language

* Change hash to sha256 for same hash on every os/hardware

* add unittest for receive demo data

* add test for error cases

* Test case load from file to mem over aiohttp server

* Use cache SpeechManager level, address other comments

* Add service for clear cache

* Update service.yaml

* add support for spliting google message
2016-12-12 23:23:08 -08:00

157 lines
4.6 KiB
Python

"""Aiohttp test utils."""
import asyncio
from contextlib import contextmanager
import functools
import json as _json
from unittest import mock
from urllib.parse import urlparse, parse_qs
import yarl
class AiohttpClientMocker:
"""Mock Aiohttp client requests."""
def __init__(self):
"""Initialize the request mocker."""
self._mocks = []
self.mock_calls = []
def request(self, method, url, *,
auth=None,
status=200,
text=None,
content=None,
json=None,
params=None,
headers=None,
exc=None):
"""Mock a request."""
if json:
text = _json.dumps(json)
if text:
content = text.encode('utf-8')
if content is None:
content = b''
if params:
url = str(yarl.URL(url).with_query(params))
self.exc = exc
self._mocks.append(AiohttpClientMockResponse(
method, url, status, content))
def get(self, *args, **kwargs):
"""Register a mock get request."""
self.request('get', *args, **kwargs)
def put(self, *args, **kwargs):
"""Register a mock put request."""
self.request('put', *args, **kwargs)
def post(self, *args, **kwargs):
"""Register a mock post request."""
self.request('post', *args, **kwargs)
def delete(self, *args, **kwargs):
"""Register a mock delete request."""
self.request('delete', *args, **kwargs)
def options(self, *args, **kwargs):
"""Register a mock options request."""
self.request('options', *args, **kwargs)
@property
def call_count(self):
"""Number of requests made."""
return len(self.mock_calls)
@asyncio.coroutine
def match_request(self, method, url, *, auth=None, params=None,
headers=None): # pylint: disable=unused-variable
"""Match a request against pre-registered requests."""
for response in self._mocks:
if response.match_request(method, url, params):
self.mock_calls.append((method, url))
if self.exc:
raise self.exc
return response
assert False, "No mock registered for {} {} {}".format(method.upper(),
url, params)
class AiohttpClientMockResponse:
"""Mock Aiohttp client response."""
def __init__(self, method, url, status, response):
"""Initialize a fake response."""
self.method = method
self._url = url
self._url_parts = (None if hasattr(url, 'search')
else urlparse(url.lower()))
self.status = status
self.response = response
def match_request(self, method, url, params=None):
"""Test if response answers request."""
if method.lower() != self.method.lower():
return False
if params:
url = str(yarl.URL(url).with_query(params))
# regular expression matching
if self._url_parts is None:
return self._url.search(url) is not None
req = urlparse(url.lower())
if self._url_parts.scheme and req.scheme != self._url_parts.scheme:
return False
if self._url_parts.netloc and req.netloc != self._url_parts.netloc:
return False
if (req.path or '/') != (self._url_parts.path or '/'):
return False
# Ensure all query components in matcher are present in the request
request_qs = parse_qs(req.query)
matcher_qs = parse_qs(self._url_parts.query)
for key, vals in matcher_qs.items():
for val in vals:
try:
request_qs.get(key, []).remove(val)
except ValueError:
return False
return True
@asyncio.coroutine
def read(self):
"""Return mock response."""
return self.response
@asyncio.coroutine
def text(self, encoding='utf-8'):
"""Return mock response as a string."""
return self.response.decode(encoding)
@asyncio.coroutine
def release(self):
"""Mock release."""
pass
@contextmanager
def mock_aiohttp_client():
"""Context manager to mock aiohttp client."""
mocker = AiohttpClientMocker()
with mock.patch('aiohttp.ClientSession') as mock_session:
instance = mock_session()
for method in ('get', 'post', 'put', 'options', 'delete'):
setattr(instance, method,
functools.partial(mocker.match_request, method))
yield mocker