Python 3.2: Run python programs and create user input

Question

Ok, so what i am trying to do is i have a bunch of python programs that are just tests (using the unittest library). I would like to create a python program that runs each python program back to back and gives me kind of a report at the end (would be the best situation) or just stops running if one fails.

The hard part about this is each program requires a user input (a simple Y for yes). How can I run each python program (i have run across the executefile("script.py") command but have not tested it out), then insert the input from the user (a simple Y), and either have it stop when a test fails (easier) or preferably be able to tell which ones fail and print the results of what failed and what passed after they all run.

I am still learning python (self-taught) so sorry!

m-r-r · Accepted Answer · 2012-08-13 15:12:02Z

1

Have you tried to use the unittest module to run all your tests?

% python -m unittest -h
Usage: python -m unittest [options] [tests]

Options:
  -h, --help       Show this message
  -v, --verbose    Verbose output
  -q, --quiet      Minimal output
  -f, --failfast   Stop on first failure
  -c, --catch      Catch control-C and display results
  -b, --buffer     Buffer stdout and stderr during test runs

Examples:
  python -m unittest test_module               - run tests from test_module
  python -m unittest module.TestClass          - run tests from module.TestClass
  python -m unittest module.Class.test_method  - run specified test method

[tests] can be a list of any number of test modules, classes and test
methods.

Alternative Usage: python -m unittest discover [options]

Options:
  -v, --verbose    Verbose output
  -f, --failfast   Stop on first failure
  -c, --catch      Catch control-C and display results
  -b, --buffer     Buffer stdout and stderr during test runs
  -s directory     Directory to start discovery ('.' default)
  -p pattern       Pattern to match test files ('test*.py' default)
  -t directory     Top level directory of project (default to
                   start directory)

For test discovery all test modules must be importable from the top
level directory of the project.

Documentation:

edited Aug 13, 2012 at 15:12

answered Aug 13, 2012 at 15:05

m-r-r

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2 Comments

ageoff Over a year ago

This would work great except for the user input part of each test. I am really looking for a way so that i dont have to go through each test (there are quite a few of them) and get rid of that part. I would prefer to be able to run the command and go do something else, instead of having to sit there and insert y for each test

m-r-r Over a year ago

If you want to answer yes to all the scripts, you could try with the yes(1) utility: yes | python -m unittest [options] or yes Y | python -m unittest [options] ...

Nicolas Barbey · Accepted Answer · 2012-08-13 15:31:58Z

0

You could test the functions inside your script and bypass the "raw_input" part which require human intervention. Exemple :

hello.py:

def main():
    print "hello world"

if __name__ == "__main__":
    test = True
    while test:
       test = raw_input() != 'Y'
    main()

test_hello.py:

import hello

if __name__ == "__main__":
    hello.main()

For testing python code, you can consider Nose as an unittest replacement.

answered Aug 13, 2012 at 15:31

Nicolas Barbey

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