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* Add test for Issue #251: Incorrect right edges, caused by bad update to r_edge in del_arc, triggered from non-monotonic left-arc

This commit is contained in:
Matthew Honnibal 2016-02-06 23:47:51 +01:00
parent 84e0aa7118
commit c6623889c1
1 changed files with 13 additions and 0 deletions
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13
spacy/tests/tokens/test_tokens_api.py
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@ -179,3 +179,16 @@ def test_runtime_error(EN):
for word in doc: for word in doc:
print(word.idx, word.text, word.head.i, word.head.text) print(word.idx, word.text, word.head.i, word.head.text)
doc.merge(*np) doc.merge(*np)
@pytest.mark.models
def test_right_edge(EN):
# Test for bug occurring from Unshift action, causing incorrect right edge
doc = EN(u'''I have proposed to myself, for the sake of such as live '''
u'''under the government of the Romans, to translate those books '''
u'''into the Greek tongue.''')
token = doc[6]
assert token.text == u'for'
subtree = [w.text for w in token.subtree]
assert subtree == [u'for' , u'the', u'sake', u'of']
assert token.right_edge.text == u'of'