run_tests.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
import sys
import unittest

current_path = os.path.abspath(os.path.dirname(__file__))
tests_path = os.path.join(current_path, 'tests')
sys.path[0:0] = [
    current_path,
    tests_path,
]
additional = os.path.join(current_path, 'calvin/backtracking_dfs')
sys.path.append(additional)

def get_suite(tests):
    tests = sorted(tests)
    suite = unittest.TestSuite()
    loader = unittest.TestLoader()
    for test in tests:
        suite.addTest(loader.loadTestsFromName(test))
    return suite

if __name__ == '__main__':
    """
    To run all tests:
        $ python run_tests.py
    To run a single test:
        $ python run_tests.py numbers
    To run a couple of tests:
        $ python run_tests.py numbers strings data_structure
    To run a specific test:
        $ python -m unittest tests.numbers.NumbersTest.test_sortNumbersBetweenSigns
    To run code coverage:
        $ coverage run run_tests.py
        $ coverage report -m
    """
    tests = sys.argv[1:]
    if not tests:
        tests = [f[:-3] for f in os.listdir(tests_path) if not f.startswith('__') and f.endswith(".py")]
        tests.extend([f[:-3] for f in os.listdir(additional) if f.startswith('test') and f.endswith(".py")])
    suite = get_suite(tests)
    unittest.TextTestRunner(verbosity=2).run(suite)