py.test plugin to test server connections locally.
Project description
Sometimes monkeypatching urllib2.urlopen() just does not cut it, for instance if you work with urllib2.Request, define your own openers/handlers or work with httplib. In these cases it may come in handy to have an HTTP server running locally which behaves just like the real thing [1]. Well, look no further!
pytest-localserver is a plugin for the pytest testing framework. It enables you to write tests like the following:
def test_retrieve_some_content(httpserver):
httpserver.serve_content(open('cached-content.xml').read())
assert my_content_retrieval(httpserver.url) == 'Found it!'
def test_content_retrieval_fails_graciously(httpserver):
httpserver.serve_content('File not found!', 404)
pytest.raises(MyCustomException, my_content_retrieval, httpserver.url)
Additionally, it is also possible to simulate SMTP servers:
def test_sending_some_message(smtpserver):
mailer = MyMailer(host=smtpserver.addr[0], port=smtpserver.addr[1])
mailer.send(to='bob@example.com', from_='alice@example.com',
subject='MyMailer v1.0', body='Check out my mailer!')
assert len(smtpserver.outbox)==1
It is really that easy!
Available funcargs
- httpserver
provides a threaded HTTP server instance running on localhost. It has the following attributes:
code - HTTP response code (int)
content - content of next response (str)
headers - response headers (dict)
Once these attribute are set, all subsequent requests will be answered with these values until they are changed or the server is stopped. A more convenient way to change these is
httpserver.serve_content(content=None, code=200, headers=None)
The server address can be found in property
url
which is the string representation of tuple server_address (host as str, port as int).
- httpsserver
is the same as httpserver only with SSL encryption.
- smtpserver
provides a threaded instance of smtpd.SMTPServer runnning on localhost. It has the following attributes:
addr - server address as tuple (host as str, port as int)
Download and Installation
You can install the plugin by running
pip install pytest-localserver
Alternatively, get the latest stable version from PyPI or the latest bleeding-edge archive from bitbucket.org.
License and Credits
This plugin is released under the MIT license. You can find the full text of the license in the LICENSE file.
Copyright (C) 2011 Sebastian Rahlf <basti at redtoad dot de>
Some parts of this package is based on ideas or code from other people:
I borrowed some implementation ideas for the httpserver from linkchecker.
The implementation for the SMTP server is based on the Mailsink recipe by Adam Feuer, Matt Branthwaite and Troy Frever.
The HTTPS implementation is based on work by Sebastien Martini.
Thanks guys!
Development and future plans
Feel free to clone the repository and add your own changes. Pull requests are always welcome!:
hg clone https://bitbucket.org/basti/pytest-localserver
If you find any bugs, please file a report.
I already have a couple of ideas for future versions:
support for FTP, SSH (maybe base all on twisted?)
making the SMTP outbox as convenient to use as django.core.mail.outbox
add your own here!
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