def test_null_event_utterances_empty_string(self):
"""Test null_event_utterances with an empty string"""
actual_output = CHATUtteranceCleaner.null_event_utterances('')
desired_output = ''
self.assertEqual(actual_output, desired_output)
def test_null_event_utterances_normal_utt(self):
"""Test null_event_utterances with a string without events."""
actual_output = CHATUtteranceCleaner.null_event_utterances('Hey there')
desired_output = 'Hey there'
self.assertEqual(actual_output, desired_output)
def test_null_event_utterances_null_terminator(self):
"""Test with null followed by terminator."""
actual_output = CHATUtteranceCleaner.null_event_utterances('0.')
desired_output = '.'
self.assertEqual(actual_output, desired_output)
def test_null_event_utterances_null_digit(self):
"""Test with zero digit."""
actual_output = CHATUtteranceCleaner.null_event_utterances('10 years')
desired_output = '10 years'
self.assertEqual(actual_output, desired_output)
def test_null_event_utterances_null_and_other_words(self):
"""Test utterance containing other words apart from `0`."""
actual_output = CHATUtteranceCleaner.null_event_utterances('0 true')
desired_output = 'true'
self.assertEqual(actual_output, desired_output)
def test_null_event_utterances_null(self):
"""Test null_event_utterances with the string '0'"""
actual_output = CHATUtteranceCleaner.null_event_utterances('0')
desired_output = ''
self.assertEqual(actual_output, desired_output)