Running Tests From a Module

Question

I am attempting to run some unit tests in python from what I believe is a module. I have a directory structure like

TestSuite.py
UnitTests
  |__init__.py
  |TestConvertStringToNumber.py

In testsuite.py I have

import unittest

import UnitTests

class TestSuite:
    def __init__(self):
        pass

print "Starting testting"
suite = unittest.TestLoader().loadTestsFromModule(UnitTests)
unittest.TextTestRunner(verbosity=1).run(suite)

Which looks to kick off the testing okay but it doesn't pick up any of the test in TestConvertNumberToString.py. In that class I have a set of functions which start with 'test'.

What should I be doing such that running python TestSuite.py actually kicks off all of my tests in UnitTests?

unutbu · Accepted Answer · 2013-07-29 12:14:54Z

4

Here is some code which will run all the unit tests in a directory:

#!/usr/bin/env python
import unittest
import sys
import os

unit_dir = sys.argv[1] if len(sys.argv) > 1 else '.'
os.chdir(unit_dir)
suite = unittest.TestSuite()
for filename in os.listdir('.'):
    if filename.endswith('.py') and filename.startswith('test_'):
        modname = filename[:-2]
        module = __import__(modname)
        suite.addTest(unittest.TestLoader().loadTestsFromModule(module))

unittest.TextTestRunner(verbosity=2).run(suite)

If you call it testsuite.py, then you would run it like this:

testsuite.py UnitTests

edited Jul 29, 2013 at 12:14

answered Oct 16, 2009 at 18:02

unutbu

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1 Comment

stimms Over a year ago

Beautiful, thanks. It was the import function I was missing

Glyph · Accepted Answer · 2009-10-16 18:29:46Z

0

Using Twisted's "trial" test runner, you can get rid of TestSuite.py, and just do:

$ trial UnitTests.TestConvertStringToNumber

on the command line; or, better yet, just

$ trial UnitTests

to discover and run all tests in the package.

answered Oct 16, 2009 at 18:29

Glyph

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