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Instant integration of Ian Bicking's WebTest

Project description

framework.
Home-page: https://github.com/django-webtest/django-webtest
Author: Mikhail Korobov
Author-email: kmike84@gmail.com
License: MIT license
Description: ==============
django-webtest
==============

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django-webtest is an app for instant integration of Ian Bicking's
WebTest (http://docs.pylonsproject.org/projects/webtest/) with django's
testing framework.

Installation
============

::

$ pip install django-webtest

Usage
=====

::

from django_webtest import WebTest

class MyTestCase(WebTest):

# optional: we want some initial data to be able to login
fixtures = ['users', 'blog_posts']

# optional: default extra_environ for this TestCase
extra_environ = {'HTTP_ACCEPT_LANGUAGE': 'ru'}

def testBlog(self):
# pretend to be logged in as user `kmike` and go to the index page
index = self.app.get('/', user='kmike')

# All the webtest API is available. For example, we click
# on a <a href='/tech-blog/'>Blog</a> link, check that it
# works (result page doesn't raise exceptions and returns 200 http
# code) and test if result page have 'My Article' text in
# its body.
assert 'My Article' in index.click('Blog')

django-webtest provides a django.test.TestCase subclass
(``django_webtest.WebTest``) that creates ``webtest.TestApp`` around
django wsgi interface and makes it available in tests as ``self.app``.

It also features optional ``user`` argument for ``self.app.get`` and
``self.app.post`` methods to help making authorized requests. This argument
should be a django.contrib.auth.models.User instance or a string with user's
``username`` for the user who is supposed to be logged in. To log out again,
call ``self.app.reset``, clearing all cookies.

For 500 errors original traceback is shown instead of usual html result
from handler500.

You also get the ``response.templates`` and ``response.context`` goodness that
is usually only available if you use django's native test client. These
attributes contain a list of templates that were used to render the response
and the context used to render these templates. All of django's native asserts (
``assertFormError``, ``assertTemplateUsed``, ``assertTemplateNotUsed``,
``assertContains``, ``assertNotContains``, ``assertRedirects``) are
also supported for WebTest responses.

The session dictionary is available via ``self.app.session``, and has the
same content than django's native test client.

Unlike django's native test client CSRF checks are not suppressed
by default so missing CSRF tokens will cause test fails (and that's good).

If forms are submitted via WebTest forms API then all form fields (including
CSRF token) are submitted automagically::

class AuthTest(WebTest):
fixtures = ['users.json']

def test_login(self)
form = self.app.get(reverse('auth_login')).form
form['username'] = 'foo'
form['password'] = 'bar'
response = form.submit().follow()
self.assertEqual(response.context['user'].username, 'foo')

However if forms are submitted via raw POST requests using ``app.post`` then
csrf tokens become hard to construct. CSRF checks can be disabled by setting
``csrf_checks`` attribute to False in this case::

class MyTestCase(WebTest):
csrf_checks = False
def test_post(self)
self.app.post('/')

When a subclass of django's ``TransactionTestCase`` is desired,
use ``django_webtest.TransactionWebTest``.

All of these features can be easily set up manually (thanks to WebTest
architecture) and they are even not neccessary for using WebTest with django but
it is nice to have some sort of integration instantly.

See http://docs.pylonsproject.org/projects/webtest/ for API help. Webtest can
follow links, submit forms, parse html, xml and json responses with different
parsing libraries, upload files and more.

Usage with pytest
=================

You need to install `pytest-django <https://pytest-django.readthedocs.io/>`_::

$ pip install pytest-django

Then you can use ``django-webtest``'s fixtures::

def test_1(django_app):
resp = django_app.get('/')

def test_2(django_app_factory):
app = django_app_factory(csrf_checks=False, extra_environ={})
resp = app.get('/')

Why?
====

While django.test.client.Client is fine for its purposes, it is not
well-suited for functional or integration testing. From django's test client
docstring:

This is not intended as a replacement for Twill/Selenium or
the like - it is here to allow testing against the
contexts and templates produced by a view, rather than the
HTML rendered to the end-user.

WebTest plays on the same field as twill. WebTest has a nice API,
is fast, small, talks to the django application via WSGI instead of HTTP
and is an easy way to write functional/integration/acceptance tests.
django-webtest is able to provide access to the names of rendered templates
and template context just like native django TestClient.

Contributing
============

Development happens at github: https://github.com/django-webtest/django-webtest
Issue tracker: https://github.com/django-webtest/django-webtest/issues

Feel free to submit ideas, bugs or pull requests.

Running tests
-------------

Make sure `tox`_ is installed and run

::

$ tox

from the source checkout.

.. _tox: http://tox.testrun.org




CHANGES
=======

1.9.0 (2017-03-09)
------------------

- Added support for Django 1.11

- Dropped support for Django <= 1.7

- Dropped support for Python 2.6

- Changed value of `HTTP_HOST` header from `localhost` to `testserver`, to
match behaviour of Django test client.

- Fixed `DjangoTestApp.options`

- Added `DjangoTestApp.head`

- Added pytest fixtures


1.8.0 (2016-09-14)
------------------

- Fixed issue #40 - combining ``app.get`` ``auto_follow=True`` with other
keyword args.

- Add compatibility to the MIDDLEWARE setting introduced in django 1.10

- Drop support for django 1.2

1.7.9 (2016-04-19)
------------------

- Add set_user() to allow to set a user globally for the app

- Allow 'click' to be given a user param

- Mention testapp.reset() in readme

- Allow to use ``json_`` methods

1.7.8 (2015-04-21)
------------------

- setup.py is switched to setuptools; WebTest is now installed automatically
(thanks Eric Araujo);
- importlib from stdlib is used when available, for django 1.9 compatibility
(thanks Helen Sherwood-Taylor);
- django-webtest's own tests are fixed to work in django 1.6+;
- https://bitbucket.org/kmike/django-webtest repository is no longer supported.

1.7.7 (2014-03-25)
------------------

- Fix installation for Python 3.x on systems with C locales.

1.7.6 (2014-01-20)
------------------

- DjangoTestApp methods pass all custom keyword arguments to webtest.TestApp;
this allows to use ``xhr=True`` feature (thanks Max Kharandziuk).
- Travis CI testing fixes (thanks Darian Moody).

1.7.5 (2013-07-17)
------------------

- OPTIONS method is fixed;
- added workaround for DELETE method warnings
(see https://github.com/Pylons/webtest/issues/50).

1.7.4 (2013-07-14)
------------------

- Really add ``TransactionWebTest`` base class (thanks Julien Aubert).

1.7.3 (2013-07-07)
------------------

- Added support for PATCH and OPTIONS HTTP methods (thanks Will Bradley).

1.7.2 (2013-06-27)
------------------

- ``TransactionWebTest`` base class is added (thanks Iurii Kriachko).

1.7.1 (2013-06-11)
------------------

- Added support for non-ascii usernames.

1.7 (2013-05-23)
----------------

- Added support for django 1.6 (thanks Carl Meyer).

1.6.1 (2013-03-31)
------------------

- Added support for django 1.5+ custom user models (thanks Gautier Hayoun).

1.6 (2013-03-07)
----------------

- Added ability to pass a custom response_class and app_class to WebTest
(thanks Bruno Renié);
- Added case-insensitive header access in DjangoWebtestResponse (thanks
Bruno Renié).

1.5.7 (2013-02-27)
------------------

- WebTest 2.0 support.

1.5.6 (2013-01-21)
------------------

- django 1.5 support: transaction handling is fixed (thanks Marco Braak).

1.5.5 (2013-01-14)
------------------

- Fixed django 1.5 support: DjangoWebtestResponse.streaming attribute
is added (thanks David Winterbottom).

1.5.4 (2012-09-13)
------------------

- fix django 1.5 issues with AdminMediaHandler (thanks Tai Lee);
- tox.ini is updated to use latest django versions and the
official trunk with python3 support;
- django 1.5 SimpleCookie issues are fixed.

1.5.3 (2012-04-25)
------------------

- self.assertRedirects is fixed for authenticated requests.

1.5.2 (2012-04-01)
------------------

- if AuthenticationMiddleware is not in a middleware list,
WebtestUserMiddleware is put to the end of middlewares in order to
provide better backward compatibility with 1.4.x in case of custom
auth middlewares.

1.5.1 (2012-03-22)
------------------

- Fixed handling of forms with method="get". Thanks Jeroen Vloothuis.

1.5 (2012-02-24)
----------------

- WebtestUserMiddleware is inserted after AuthenticationMiddleware, not to
the end of middleware list (thanks bigkevmcd);
- don't list python 2.5 as supported because WebOb dropped 2.5 support;
- python 3 support;
- test running using tox.

1.4.4 (2012-02-08)
------------------

- 'user' parameter for ``self.app.put`` and ``self.app.delete`` methods (thanks
Ruslan Popov).

1.4.3 (2011-09-27)
------------------

- The django session dictionary is available via ``self.app.session``.

1.4.2 (2011-08-26)
------------------

- ``REMOTE_ADDR`` is now ``'127.0.0.1'`` by default. This is how
standard django's test client behave.

Please note that this can slow tests down and cause other side effects
if django-debug-toolbar 0.9.x is installed+configured and
``INTERNAL_IPS`` contain ``'127.0.0.1'`` because debug toolbar will
become turned on during tests. The workaround is to remove
django-debug-toolbar middleware during tests in your test settings::

DEBUG_MIDDLEWARE = 'debug_toolbar.middleware.DebugToolbarMiddleware'
if DEBUG_MIDDLEWARE in MIDDLEWARE_CLASSES:
MIDDLEWARE_CLASSES.remove(DEBUG_MIDDLEWARE)


1.4.1 (2011-06-29)
------------------

- ``self.renew_app()`` method for resetting the 'browser' inside tests.

1.4 (2011-06-23)
----------------

- Better auth implementation;
- support for assertRedirects, assertContains and assertNotContains.

1.3 (2010-12-31)
----------------

- Django 1.3 compatibility: test responses are now having 'templates' attribute;
- Django 1.3 compatibility: the way exceptions are handled is changed;
- auto_follow parameter for app.get method (redirect chains will be
auto-followed with auto_follow=True).

1.2.1 (2010-08-24)
------------------

- REMOTE_USER authorization can be disabled.

1.2 (2010-08-21)
----------------

- ``response.template`` and ``response.context`` goodness (thanks Gregor Müllegger);
- tests (thanks Gregor Müllegger);
- csrf checks are now optional (thanks Gregor Müllegger).

1.1.1 (2010-07-16)
------------------

- User instance can be passed to `get` and `post` methods instead
of user's username.

1.1 (2010-06-15)
----------------

- Original traceback instead of html 500 error page;
- per-TestCase extra_environ (thanks Gael Pasgrimaud);
- fixed a bug with app.post parameters (thanks anonymous).


1.0 (2010-04-20)
----------------
Initial release (thanks Ian Bicking for WebTest).

Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Environment :: Web Environment
Classifier: Framework :: Django
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.2
Classifier: Programming Language :: Python :: 3.3
Classifier: Programming Language :: Python :: 3.4
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Topic :: Software Development :: Testing

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