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aioresponses-0.7.4
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Mock out requests made by ClientSession from aiohttp package
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | aioresponses-0.7.4 |
| نام | aioresponses |
| نسخه کتابخانه | 0.7.4 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Pawel Nuckowski |
| ایمیل نویسنده | p.nuckowski@gmail.com |
| آدرس صفحه اصلی | https://github.com/pnuckowski/aioresponses |
| آدرس اینترنتی | https://pypi.org/project/aioresponses/ |
| مجوز | - |
===============================
aioresponses
===============================
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:alt: Documentation Status
Aioresponses is a helper to mock/fake web requests in python aiohttp package.
For *requests* module there are a lot of packages that help us with testing (eg. *httpretty*, *responses*, *requests-mock*).
When it comes to testing asynchronous HTTP requests it is a bit harder (at least at the beginning).
The purpose of this package is to provide an easy way to test asynchronous HTTP requests.
Installing
----------
.. code:: bash
$ pip install aioresponses
Supported versions
------------------
- Python 3.5.3+
- aiohttp>=2.0.0,<4.0.0
Usage
--------
To mock out HTTP request use *aioresponses* as a method decorator or as a context manager.
Response *status* code, *body*, *payload* (for json response) and *headers* can be mocked.
Supported HTTP methods: **GET**, **POST**, **PUT**, **PATCH**, **DELETE** and **OPTIONS**.
.. code:: python
import aiohttp
import asyncio
from aioresponses import aioresponses
@aioresponses()
def test_request(mocked):
loop = asyncio.get_event_loop()
mocked.get('http://example.com', status=200, body='test')
session = aiohttp.ClientSession()
resp = loop.run_until_complete(session.get('http://example.com'))
assert resp.status == 200
mocked.assert_called_once_with('http://example.com')
for convenience use *payload* argument to mock out json response. Example below.
**as a context manager**
.. code:: python
import asyncio
import aiohttp
from aioresponses import aioresponses
def test_ctx():
loop = asyncio.get_event_loop()
session = aiohttp.ClientSession()
with aioresponses() as m:
m.get('http://test.example.com', payload=dict(foo='bar'))
resp = loop.run_until_complete(session.get('http://test.example.com'))
data = loop.run_until_complete(resp.json())
assert dict(foo='bar') == data
m.assert_called_once_with('http://test.example.com')
**aioresponses allows to mock out any HTTP headers**
.. code:: python
import asyncio
import aiohttp
from aioresponses import aioresponses
@aioresponses()
def test_http_headers(m):
loop = asyncio.get_event_loop()
session = aiohttp.ClientSession()
m.post(
'http://example.com',
payload=dict(),
headers=dict(connection='keep-alive'),
)
resp = loop.run_until_complete(session.post('http://example.com'))
# note that we pass 'connection' but get 'Connection' (capitalized)
# under the neath `multidict` is used to work with HTTP headers
assert resp.headers['Connection'] == 'keep-alive'
m.assert_called_once_with('http://example.com', method='POST')
**allows to register different responses for the same url**
.. code:: python
import asyncio
import aiohttp
from aioresponses import aioresponses
@aioresponses()
def test_multiple_responses(m):
loop = asyncio.get_event_loop()
session = aiohttp.ClientSession()
m.get('http://example.com', status=500)
m.get('http://example.com', status=200)
resp1 = loop.run_until_complete(session.get('http://example.com'))
resp2 = loop.run_until_complete(session.get('http://example.com'))
assert resp1.status == 500
assert resp2.status == 200
**Repeat response for the same url**
E.g. for cases you want to test retrying mechanisms
.. code:: python
import asyncio
import aiohttp
from aioresponses import aioresponses
@aioresponses()
def test_multiple_responses(m):
loop = asyncio.get_event_loop()
session = aiohttp.ClientSession()
m.get('http://example.com', status=500, repeat=True)
m.get('http://example.com', status=200) # will not take effect
resp1 = loop.run_until_complete(session.get('http://example.com'))
resp2 = loop.run_until_complete(session.get('http://example.com'))
assert resp1.status == 500
assert resp2.status == 500
**match URLs with regular expressions**
.. code:: python
import asyncio
import aiohttp
import re
from aioresponses import aioresponses
@aioresponses()
def test_regexp_example(m):
loop = asyncio.get_event_loop()
session = aiohttp.ClientSession()
pattern = re.compile(r'^http://example\.com/api\?foo=.*$')
m.get(pattern, status=200)
resp = loop.run_until_complete(session.get('http://example.com/api?foo=bar'))
assert resp.status == 200
**allows to make redirects responses**
.. code:: python
import asyncio
import aiohttp
from aioresponses import aioresponses
@aioresponses()
def test_redirect_example(m):
loop = asyncio.get_event_loop()
session = aiohttp.ClientSession()
# absolute urls are supported
m.get(
'http://example.com/',
headers={'Location': 'http://another.com/'},
status=307
)
resp = loop.run_until_complete(
session.get('http://example.com/', allow_redirects=True)
)
assert resp.url == 'http://another.com/'
# and also relative
m.get(
'http://example.com/',
headers={'Location': '/test'},
status=307
)
resp = loop.run_until_complete(
session.get('http://example.com/', allow_redirects=True)
)
assert resp.url == 'http://example.com/test'
**allows to passthrough to a specified list of servers**
.. code:: python
import asyncio
import aiohttp
from aioresponses import aioresponses
@aioresponses(passthrough=['http://backend'])
def test_passthrough(m, test_client):
session = aiohttp.ClientSession()
# this will actually perform a request
resp = loop.run_until_complete(session.get('http://backend/api'))
**aioresponses allows to throw an exception**
.. code:: python
import asyncio
from aiohttp import ClientSession
from aiohttp.http_exceptions import HttpProcessingError
from aioresponses import aioresponses
@aioresponses()
def test_how_to_throw_an_exception(m, test_client):
loop = asyncio.get_event_loop()
session = ClientSession()
m.get('http://example.com/api', exception=HttpProcessingError('test'))
# calling
# loop.run_until_complete(session.get('http://example.com/api'))
# will throw an exception.
**aioresponses allows to use callbacks to provide dynamic responses**
.. code:: python
import asyncio
import aiohttp
from aioresponses import CallbackResult, aioresponses
def callback(url, **kwargs):
return CallbackResult(status=418)
@aioresponses()
def test_callback(m, test_client):
loop = asyncio.get_event_loop()
session = ClientSession()
m.get('http://example.com', callback=callback)
resp = loop.run_until_complete(session.get('http://example.com'))
assert resp.status == 418
**aioresponses can be used in a pytest fixture**
.. code:: python
import pytest
from aioresponses import aioresponses
@pytest.fixture
def mock_aioresponse():
with aioresponses() as m:
yield m
Features
--------
* Easy to mock out HTTP requests made by *aiohttp.ClientSession*
License
-------
* Free software: MIT license
Credits
-------
This package was created with Cookiecutter_ and the `audreyr/cookiecutter-pypackage`_ project template.
.. _Cookiecutter: https://github.com/audreyr/cookiecutter
.. _`audreyr/cookiecutter-pypackage`: https://github.com/audreyr/cookiecutter-pypackage
نیازمندی
| مقدار | نام |
|---|---|
| <4.0.0,>=2.0.0 | aiohttp |
نحوه نصب
نصب پکیج whl aioresponses-0.7.4:
pip install aioresponses-0.7.4.whl
نصب پکیج tar.gz aioresponses-0.7.4:
pip install aioresponses-0.7.4.tar.gz