def test_find_verb_group_upper_case(self):
submission_str = 'the dogs Play.'
word = Verb('play')
answer = find_verb_group(word, submission_str)
start = len('the Dogs ')
end = start + len('Play')
self.assertEqual(answer, (start, end))
def test_find_verb_group_submission_str_irregular_past(self):
submission_str = 'I went home.'
base_verb = Verb('go', 'went')
answer = find_verb_group(base_verb, submission_str)
start = submission_str.find('went')
end = start + len('went')
self.assertEqual(answer, (start, end))
def test_find_verb_group_submission_str_special_rule_regular_past_tense(
self):
submission_str = 'He babied me.'
word = Verb('baby')
answer = find_verb_group(word, submission_str)
start = submission_str.find('babied')
end = start + len('babied')
self.assertEqual(answer, (start, end))
def test_find_verb_group_all_prefixes(self):
prefixes = ["Don't", "don't", "Doesn't", "doesn't", "Didn't", "didn't"]
verb = Verb('play')
for prefix in prefixes:
submission_str = f'the cat {prefix} play here.'
answer = find_verb_group(verb, submission_str)
start = len('the cat ')
end = start + len(f'{prefix} play')
self.assertEqual(answer, (start, end))
def test_find_verb_group_all_verb_forms_simple(self):
submission_str = 'i go home.'
go = Verb('go', 'went')
verbs = [
go,
go.third_person(),
go.negative(),
go.negative().third_person(),
go.past_tense(),
go.negative().past_tense()
]
capital_verbs = [verb.capitalize() for verb in verbs]
for verb in verbs + capital_verbs:
answer = find_verb_group(verb, submission_str)
expected = (2, 4)
self.assertEqual(answer, expected)
def test_find_verb_group_all_verb_forms_complex(self):
submission_str = "i didn't went home."
go = Verb('go', 'went')
verbs = [
go,
go.third_person(),
go.negative(),
go.negative().third_person(),
go.past_tense(),
go.negative().past_tense()
]
capital_verbs = [verb.capitalize() for verb in verbs]
for verb in verbs + capital_verbs:
answer = find_verb_group(verb, submission_str)
start = submission_str.find("didn't went")
end = start + len("didn't went")
self.assertEqual(answer, (start, end))
def test_find_verb_group_verb_not_present(self):
submission_str = ''
verb = Verb('play')
self.assertIsNone(find_verb_group(verb, submission_str))