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import pytest
import stanza
from stanza.tests import *
from stanza.models.common.doc import Document
import stanza.server.ud_enhancer as ud_enhancer
pytestmark = [pytest.mark.pipeline]
def check_edges(graph, source, target, num, isExtra=None):
edges = [edge for edge in graph.edge if edge.source == source and edge.target == target]
assert len(edges) == num
if num == 1:
assert edges[0].isExtra == isExtra
def test_one_sentence():
nlp = stanza.Pipeline(dir=TEST_MODELS_DIR, processors="tokenize,pos,lemma,depparse")
doc = nlp("This is the car that I bought")
result = ud_enhancer.process_doc(doc, language="en", pronouns_pattern=None)
assert len(result.sentence) == 1
sentence = result.sentence[0]
basic = sentence.basicDependencies
assert len(basic.node) == 7
assert len(basic.edge) == 6
check_edges(basic, 4, 7, 1, False)
check_edges(basic, 7, 4, 0)
enhanced = sentence.enhancedDependencies
assert len(enhanced.node) == 7
assert len(enhanced.edge) == 7
check_edges(enhanced, 4, 7, 1, False)
# this is the new edge
check_edges(enhanced, 7, 4, 1, True)
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