NoseTest: running with coverage from Python script

Question

I want to run NoseTest from a Python script. But I want not only run it, but also measure test coverage.

Just now I have the following code:

import os
import sys
import nose

sys.path.append(os.path.dirname(os.path.abspath(os.path.dirname(__file__))))

import tests

if __name__ == "__main__":
    config = nose.config.Config(verbosity=3, stopOnError=False, argv=["--with-coverage"])
    result = nose.run(module=tests, config=config)

What should I add to get my coverage report?

Felix · Accepted Answer · 2015-05-16 14:26:06Z

2

Hell yeah! After some small debugging of Nose Test I've managed to do it!

if __name__ == "__main__":
    file_path = os.path.abspath(__file__)
    tests_path = os.path.join(os.path.abspath(os.path.dirname(file_path)), "tests")
    result = nose.run(argv=[os.path.abspath(__file__),
                            "--with-cov", "--verbosity=3", "--cover-package=phased", tests_path])

answered May 16, 2015 at 14:26

Felix

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Spencer · Accepted Answer · 2015-05-12 17:43:03Z

0

EDIT: To run plugins with nose.run(), you need to use the 'plugins' keyword:

http://nose.readthedocs.org/en/latest/usage.html#using-plugins

Your code is all set -- you need to enable coverage via the runner. Simply run nose like this:

nosetests --with-coverage

There are more options here:

http://nose.readthedocs.org/en/latest/plugins/cover.html

FYI, you might need to run the following to get the coverage package:

pip install coverage

edited May 12, 2015 at 17:43

answered May 12, 2015 at 17:35

Spencer

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7 Comments

Felix Over a year ago

I don't want to run nosetests as application: I have to run it on Windows machines that don't have it in path. So I should run it from Python. coverage package is already installed.

Spencer Over a year ago

Whoops missed that. You should be able to add plugins via the plugins keyword: nose.readthedocs.org/en/latest/usage.html#using-plugins

Felix Over a year ago

It's for the commandline usage. I need their selection just in Python code.

Spencer Over a year ago

"If you are running nose.main() or nose.run() from a script, you can specify a list of plugins to use by passing a list of plugins with the plugins keyword argument."

Felix Over a year ago

Oh, I've seen it too. But there was no one example how to pass them. I've tried plugins=["coverage"] and plugins=["nose-coverage"] but nothing changes. Maybe you can give me the right code snippet?

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