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Record and replay httplib actions for testing.

Project Description

This (very experimental) library allows you to install replacement stubs for httplib methods which record interactions with remote servers, and then play them back. Because urllib depends on httplib functionality, replaylib will record and play back urllib interactions as well.

It is intended to allow streamlined tests for services which interact with remote services: e.g. payment processors, shipping APIs, etc. To use it, just:

  1. Run your test suite while recording with replaylib.
  2. On subsequent runs, play back from replaylib. Tests will run faster, and won’t require external services.

It is fully tested, with 100% line and branch coverage, and works well with all APIs we have tried it on “in the wild”.

Note Use at your own risk!

Installation

Simple as:

$ easy_install replaylib

Or if you prefer, download the source and then:

$ python setup.py build
$ python setup.py install

Example

>>> import replaylib
>>> import urllib
>>> replaylib.start_record()
# Do some stuff with urllib.
>>> urllib.urlopen('http://www.google.com')
>>> replaylib.stop_record('activity.pkl')
>>> replaylib.start_playback('activity.pkl')
# Won't actually make a request to google.com
>>> urllib.urlopen('http://www.google.com')
>>> replaylib.stop_playback()

Nose Plugin

ReplayLib also comes with a nose plugin to make recording and playing back the interactions used by your test suites even simpler:

$ nosetests --replaylib-record=test.pkl
$ nosetests --replaylib-playback=test.pkl

License

ReplayLib is released under the GNU General Public License (GPL). See the LICENSE file for full text of the license.

Release history Release notifications

This version
History Node

0.1

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Filename, size & hash SHA256 hash help File type Python version Upload date
replaylib-0.1-py2.6.egg (21.6 kB) Copy SHA256 hash SHA256 Egg 2.6 Jun 22, 2010
replaylib-0.1.tar.gz (20.6 kB) Copy SHA256 hash SHA256 Source None Jun 22, 2010

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