How to Fix Python Nose: Coverage not available: unable to import coverage module

python nose coverage.py python-coverage
doremi picture doremi · Jan 23, 2013 · Viewed 17.7k times · Source

I can't seem to get code coverage with Nose to work, despite having the plugin installed.

Any ideas on how to fix this?

12:15:25 ~/sandbox/ec$ nosetests --plugins
Plugin xunit
Plugin deprecated
Plugin skip
Plugin multiprocess
Plugin failuredetail
Plugin capture
Plugin logcapture
Plugin coverage
Plugin attributeselector
Plugin doctest
Plugin profile
Plugin id
Plugin allmodules
Plugin collect-only
Plugin isolation
Plugin pdb

12:15:34 ~/sandbox/ec$ nosetests -v --with-coverage
nose.plugins.cover: ERROR: Coverage not available: unable to import coverage module
tests.edgecast_client_tests.test_log ... ok

----------------------------------------------------------------------
Ran 1 test in 0.206s

OK

Answer

jkozera picture jkozera · Jan 23, 2013

Have you tried pip install coverage? The coverage plugin depends on separate coverage module, which is not a nose's dependency, so needs to be installed manually.

Related questions

How to exclude a file from coverage.py?

I use nosetest's coverage.py plugin. Is it somehow possible to exclude entire files or folders from the coverage report? My use case is having an external library in my project folder that obviously isn't covered by my test suite.

Read More
Python nosetests with coverage no longer shows missing lines

I've been using the following command to run tests and evaluate code coverage for a Python project for over a year now. nosetests -v --with-coverage --cover-package=genhub genhub/*.py The coverage report used to include a column on the far …

Read More
How to change the message in a Python AssertionError?

I'm writing per the following, in which I try to produce a decent error message when comparing two multiline blocks of Unicode text. The interior method that does the comparison raises an assertion, but the default explanation is useless to …

Read More