Study Guide: Scientific software engineering for a simple ODE problem

$$ \newcommand{\uex}{{u_{\small\mbox{e}}}} \newcommand{\tp}{\thinspace .} $$

Example on a nose test in a separate file

Write the test in a separate file, say test_mymod.py:

import nose.tools as nt
import mymod

def test_double():
    result = mymod.double(4)
    nt.assert_equal(result, 8)

Running

Terminal> nosetests -s

makes the nose tool run all test_*() functions in all files test*.py in the current directory and in all subdirectories (recursevely) with names tests or *_tests.

Tip.

Start with test functions in the source code file. When the file contains many tests, or when you have many source code files, move tests to separate files.