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

""" Unit tests for utils.py """

import sys
import os
import unittest


def fix_sys_path():
    """
    logic to have always the correct sys.path
     '', web2py/gluon, web2py/site-packages, web2py/ ...
    """

    def add_path_first(path):
        sys.path = [path] + [p for p in sys.path if (
            not p == path and not p == (path + '/'))]

    path = os.path.dirname(os.path.abspath(__file__))

    if not os.path.isfile(os.path.join(path,'web2py.py')):
        i = 0
        while i<10:
            i += 1
            if os.path.exists(os.path.join(path,'web2py.py')):
                break
            path = os.path.abspath(os.path.join(path, '..'))

    paths = [path,
             os.path.abspath(os.path.join(path, 'site-packages')),
             os.path.abspath(os.path.join(path, 'gluon')),
             '']
    [add_path_first(path) for path in paths]

fix_sys_path()

from utils import md5_hash


class TestUtils(unittest.TestCase):
    """ Tests the utils.py module """

    def test_md5_hash(self):
        """ Tests the md5_hash function """

        data = md5_hash("web2py rocks")
        self.assertEqual(data, '79509f3246a2824dee64635303e99204')

if __name__ == '__main__':
    unittest.main()