def test_choose_best_freq_dict_empty(self):
"""freq dict is empty"""
expected_word = 'UNK'
freq_dict = dict()
candidates = ('lwst', 'lrst', 'lust')
result = choose_best(freq_dict, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_ideal(self):
"""ideal case for choosing the best candidate"""
expected_word = 'lust'
freq_dict = dict(list=1, lust=2)
candidates = ('lwst', 'lrst', 'list', 'lust', 'lyst')
result = choose_best(freq_dict, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_freq_has_not_str(self):
"""freq dict has not str keys"""
expected_word = 'list'
freq_dict = {1: 5, 'list': 2}
candidates = ('lwst', 'lrst', 'list')
result = choose_best(freq_dict, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_candidates_has_not_str(self):
"""Candidates contains element that is not str"""
expected_word = 'lust'
freq_dict = dict(list=1, lust=2)
candidates = ('lwst', 'lrst', 3, 'lust', 2)
result = choose_best(freq_dict, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_candidates_empty(self):
"""Candidates is empty"""
expected_word = 'UNK'
freq_dict = dict(list=1, lust=2)
candidates = tuple([])
result = choose_best(freq_dict, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_equal_freq(self):
"""Some words have the same freq - return sorted in alphabetical order"""
expected_word = 'last'
freq_dict = dict(list=1, lust=2, last=2)
candidates = ('lwst', 'lrst', 'list', 'lust', 'lyst', 'last')
result = choose_best(freq_dict, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_both_none(self):
"""Both params are None"""
expected_word = 'UNK'
result = choose_best(None, None)
self.assertEqual(expected_word, result)
def test_choose_best_freq_dict_none(self):
"""freq dict is None"""
expected_word = 'UNK'
candidates = ('lwst', 'lrst', 'lust')
result = choose_best(None, candidates)
self.assertEqual(expected_word, result)
def test_choose_best_candidates_none(self):
"""Candidates is none"""
expected_word = 'UNK'
freq_dict = dict(list=1, lust=2)
result = choose_best(freq_dict, None)
self.assertEqual(expected_word, result)