def testKnownCases(self):
"""Tests some known cases."""
# Test the given example
given_dictionary = ["ART", "RAT", "CAT", "CAR"]
self.assertTrue(
Q1.find_ordered_alphabet(given_dictionary) in
[['T', 'A', 'R', 'C'], ['A', 'T', 'R', 'C']])
test_dictionary1 = ["baa", "abcd", "abca", "cab", "cad"]
self.assertTrue(
Q1.find_ordered_alphabet(test_dictionary1) in
[['b', 'd', 'a', 'c'], ['d', 'b', 'a', 'c']])
test_dictionary2 = ["ab", "bd", "c", "d"]
self.assertEquals(Q1.find_ordered_alphabet(test_dictionary2),
['a', 'b', 'c', 'd'])
def testEmptyCase(self):
empty_dictionary = []
with self.assertRaises(ValueError):
Q1.find_ordered_alphabet(empty_dictionary)
def testWrongOrderCase(self):
"""Tests a case with wrong order of words in a dictionary."""
# Test the given example
wrong_dictionary = ["ART", "RAT", "CRT", "CAR"]
with self.assertRaises(ValueError):
Q1.find_ordered_alphabet(wrong_dictionary)