"""
This module tests the functions in the "faro" module using the
"unittest" module.
"""

import unittest
from faro import faroShuffle, countShuffles


class TestFaroShuffle(unittest.TestCase):

    def test_twoCards(self):
        """
        two card shuffle test
        """
        self.assertEqual(faroShuffle([0, 1]), [0, 1])
        
    def test_fourCards(self):
        self.assertEqual(faroShuffle([0, 1, 2, 3]), [0, 2, 1, 3])

    def test_tenCards(self):
        self.assertEqual(faroShuffle(range(10)),
                         [0, 5, 1, 6, 2, 7, 3, 8, 4, 9])

    def test_shuffleAnything(self):
        self.assertEqual(faroShuffle(['queen', 'jack', 'ace', 7]),
                         ['queen', 'ace', 'jack', 7])

    def test_threeCards(self):
        self.assertRaises(ValueError, faroShuffle, [0, 1, 2])

    def test_nonsequence(self):
        self.assertRaises(TypeError, faroShuffle, 1)

    def test_emptyList(self):
        self.assertEqual(faroShuffle([]), [])

    def test_noArgument(self):
        self.assertRaises(TypeError, faroShuffle)


class TestCountShuffles(unittest.TestCase):

    def test_twoCards(self):
        self.assertEqual(countShuffles(2), 1)
        
    def test_fiftyTwoCards(self):
        self.assertEqual(countShuffles(52), 8)
        
    def test_oneThousandCards(self):
        self.assertEqual(countShuffles(1024), 10)
        

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