[Pulp-list] Paste library

[James Slagle]

I added a test for Oauth authentication (functional/test_oauth.py).

In doing so, I made use of a library called paste that you may need
to install to run the functional tests.  The package name is python-paste,
I've already installed it on the Jenkins build instances.  If you're running
Fedora, you probably already have it installed.

Paste has many different components, but the one I wanted to make use of was
paste.fixture.TestApp.  TestApp allows you to wrap a wsgi app, and make
requests and return responses as if you were talking to an actual httpd
instance of your wsgi app.

This is useful if you want to write a test that exercies the request/response
lifecycle, but don't want to have to rely on a locally running webserver or
external resource to do so.

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-- James Slagle
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