import gcd

import unittest

class TestGcdFunction(unittest.TestCase):

    def setUp(self):

        self.test_file = open('gcd_testcases.dat')

        self.test_cases = []

        for line in self.test_file:

            values = line.split(', ')

            a = int(values[0])

            b = int(values[1])

            g = int(values[2])

            self.test_cases.append([a, b, g])

    def test_gcd(self):

        for case in self.test_cases:

            a = case[0]

            b = case[1]

            g = case[2]

            self.assertEqual(gcd.gcd(a, b), g)

    def tearDown(self):

        self.test_file.close()

        del self.test_cases

if __name__ == '__main__':

    unittest.main()