def test_is_valid_false_if_two_emptynodes_has_the_same_sub_index(self):
sentence = Sentence([
EmptyNode(main_index=0, sub_index=1),
EmptyNode(main_index=0, sub_index=1),
Word(index=1),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_on_sentence_with_invalid_elements(self):
sentence = Sentence([
Multiword(first_index=1, last_index=1), # invalid first == last
Word(index=1),
Word(index=2),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_true_if_first_element_is_emptynode_with_index_0(self):
sentence = Sentence([
EmptyNode(main_index=0, sub_index=1),
# first word also included to prevent other validations to fail
Word(index=1)
])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_if_an_emptynode_sub_index_is_skipped(self):
sentence = Sentence([
EmptyNode(main_index=0, sub_index=1),
# sub_index 2 missing
EmptyNode(main_index=0, sub_index=3),
Word(index=1),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_a_word_index_is_skipped(self):
sentence = Sentence([
Word(index=1),
Word(index=2),
# index 3 missing
Word(index=4),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_consecutive_multiwords_overlap(self):
sentence = Sentence([
Multiword(first_index=1, last_index=2),
Multiword(first_index=1, last_index=2),
Word(index=1),
Word(index=2)
])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_an_emptynode_main_index_has_no_word_index(self):
sentence = Sentence([
Word(index=1),
# there is no word with index 2
EmptyNode(main_index=2, sub_index=1),
EmptyNode(main_index=2, sub_index=2)
])
self.assertFalse(sentence.is_valid())
def test_is_valid_true_if_first_element_is_multiword_with_index_1(self):
sentence = Sentence([
Multiword(first_index=1, last_index=2),
# words also included to prevent other validations to fail
Word(index=1),
Word(index=2),
])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_if_multiword_last_index_is_too_big(self):
sentence = Sentence([
Word(index=1),
Multiword(first_index=2, last_index=4), # there is no word w/ ID 4
Word(index=2),
Word(index=3),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_multiword_index_is_skipped(self):
sentence = Sentence([
Word(index=1),
# index 2 missing
Multiword(first_index=3, last_index=4),
Word(index=3),
Word(index=4),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_consecutive_emptynodes_have_different_main_id(
self):
sentence = Sentence([
Word(index=1),
EmptyNode(main_index=1, sub_index=1),
# word with index 2 missing
EmptyNode(main_index=2, sub_index=2)
])
self.assertFalse(sentence.is_valid())
def test_is_valid_true_if_multiword_index_range_is_within_sentence_bounds(
self):
sentence = Sentence([
Word(index=1),
Multiword(first_index=2, last_index=3),
Word(index=2),
Word(index=3)
])
self.assertTrue(sentence.is_valid())
def test_is_valid_true_if_emptynodes_indexes_are_valid(self):
sentence = Sentence([
EmptyNode(main_index=0, sub_index=1),
EmptyNode(main_index=0, sub_index=2),
Word(index=1),
Word(index=2),
EmptyNode(main_index=2, sub_index=1),
EmptyNode(main_index=2, sub_index=2),
])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_if_multiwords_are_placed_incorrectly(self):
sentence = Sentence([
Multiword(first_index=1, last_index=2),
Multiword(first_index=3, last_index=4), # should be before word 3
Word(index=1),
Word(index=2),
Word(index=3),
Word(index=4)
])
self.assertFalse(sentence.is_valid())
def test_is_valid_on_a_sentence_with_foreign_elements(self):
class Foo(BaseSentenceElement):
pass
sentence = Sentence([
Word(index=1, head=2),
Foo(form='Bar'),
Word(index=2, head=0),
Foo(form='Baz'),
])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_on_empty_sentence(self):
sentence = Sentence()
self.assertFalse(sentence.is_valid())
def test_is_valid_true_if_a_word_has_head_equals_to_index(self):
sentence = Sentence([Word(index=1, head=1)])
self.assertTrue(sentence.is_valid())
def test_is_valid_true_with_word_heads_within_sentence_bounds(self):
sentence = Sentence([
Word(index=1, head=2),
Word(index=2, head=0),
])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_if_a_word_has_head_beyond_last_word_index(self):
sentence = Sentence([
Word(index=1, head=2), # there is no word with index 2
])
self.assertFalse(sentence.is_valid())
def test_is_valid_true_if_a_word_has_head_zero(self):
sentence = Sentence([Word(index=1, head=0)])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_if_first_element_is_word_with_index_not_1(self):
sentence = Sentence([Word(index=2)])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_a_word_has_head_less_than_zero(self):
sentence = Sentence([
Word(index=1, head=-1),
])
self.assertFalse(sentence.is_valid())
def test_is_valid_true_if_first_element_is_word_with_index_1(self):
sentence = Sentence([Word(index=1)])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_if_first_element_is_multiword_with_index_not_1(
self):
sentence = Sentence([Multiword(first_index=2, last_index=5)])
self.assertFalse(sentence.is_valid())
def test_is_valid_false_if_first_element_is_emptynode_with_index_not_0(
self):
sentence = Sentence([EmptyNode(main_index=1, sub_index=1)])
self.assertFalse(sentence.is_valid())
def test_is_valid_true_with_two_consecutive_word_indexes(self):
sentence = Sentence([
Word(index=1),
Word(index=2),
])
self.assertTrue(sentence.is_valid())
def test_is_valid_false_on_sentence_without_word_elements(self):
sentence = Sentence([
EmptyNode(main_index=0, sub_index=1),
Multiword(first_index=1, last_index=2)
])
self.assertFalse(sentence.is_valid())