A convenience layer on top of selenium
_ _ __ _ _| |__ ___ | '__| | | | '_ \ / _ \ | | | |_| | |_) | __/ |_| \__,_|_.__/ \___|.core
rube.core is a convenience layer on top of selenium; the idea was to make it easier to write new integration tests for our staging infrastructure in a way that looked like normal old unit tests.
If you are interested in running the Fedora Infrastructure test suite, please see the rube.fedora README.
rube.core provides a number of useful decorators for your tests.
@rube.core.tolerant(n=3) tries to run your test. If it succeeds, it does nothing more. If your test fails, it tries again and again (up to n times, by default 3 times). If it fails all n times, the failure is reported in the test. This is useful if your connection is flaky, or you know that one app is sometimes on the fritz.
@rube.core.skip_logout() perhaps somewhat obviously will add your test to a hidden _no_teardown list. The tearDown method will skip it when the time comes.
@rube.core.expects_zmqmsg(topic, timeout=20000) will cause rube to start up a background thread with a zmq.SUB socket. It will connect to whatever endpoint you have listed in setup.cfg like this:
If a message does not arrive with the specified multipart prefix before the timeout has elapsed, then that test will fail. In Fedora Infrastructure, we use this to ensure that actions triggered on webapps by rube cause fedmsg messages to be published on our staging gateway.
@rube.core.ensures_after(callable) will invoke callable after your test has run, giving it a chance to raise an exception.
The common use case is to define a callable that executes a shell command. For instance, you could have a selenium test that goes to an account system and applies for a dummy user’s membership in a group. After that test has run, your callable could use paramiko to ssh to a machine and ensure that that user now has shell access (or something).
@rube.core.collect_har will collect HAR performance data on your websites. You have to do a little extra work (including setting up browsermob-proxy) in order to get this work. See below.
Running the tests will open up Firefox in X which is a bit of a pain sometimes. If you want, you can run the tests in headless mode by setting headless=1 in setup.cfg. Doing so will require that you have xorg-x11-server-Xvfb installed via yum, however.
Collecting HAR files for performance metrics.
Rube will output harfile data into a harfiles/ directory if you turn on collect-har and specify a path to browsermob-proxy in the [browsermob] section of your setup.cfg file.
You’ll also need to manually pip install browsermob-proxy into your virtualenv. Note that this patch is required to collect HAR files from https sites (such as our entire infrastructure).
Rube is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Rube is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Rube. If not, see gnu.org/licenses.
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