def test_no_types(self):
"""Test that not specifying allowed_types or excluded_types will modify all targets."""
doc = self.create_target_type_examples()
item = ConTextItem(
"no history of travel to",
category="DEFINITE_NEGATED_EXISTENCE",
rule="FORWARD",
)
tag_object = TagObject(item, 0, 5, doc)
tag_object.set_scope()
travel, condition = doc.ents # "puerto rico", "pneumonia"
assert tag_object.modifies(travel) is True
assert tag_object.modifies(condition) is True
def test_overlapping_target(self):
"""Test that a modifier will not modify a target if it is
in the same span as the modifier.
"""
doc = nlp("Pt presents for r/o of pneumonia.")
item = ConTextItem("r/o", "UNCERTAIN", rule="BIDIRECTIONAL")
tag_object = TagObject(item, 3, 4, doc)
target = Span(doc, 3, 4, "TEST")
assert tag_object.modifies(target) is False
def test_on_modifies_false(self):
def on_modifies(target, modifier, span_between):
return False
item = ConTextItem("no evidence of", "NEGATED_EXISTENCE", on_modifies=on_modifies)
doc = nlp("There is no evidence of pneumonia or chf.")
doc.ents = (doc[5:6], doc[7:8])
tag = TagObject(item, 2, 5, doc)
assert tag.modifies(doc.ents[0]) is False
def test_on_modifies_arg_types(self):
def check_arg_types(target, modifier, span_between):
for arg in (target, modifier, span_between):
if not isinstance(arg, spacy.tokens.Span):
return False
return True
item = ConTextItem("no evidence of", "NEGATED_EXISTENCE", on_modifies=check_arg_types)
doc = nlp("There is no evidence of pneumonia or chf.")
doc.ents = (doc[5:6], doc[7:8])
tag = TagObject(item, 2, 5, doc)
assert tag.modifies(doc.ents[0]) is True
def test_max_scope_none(self):
"""Test that if max_scope is not None it will reduce the range
of text which is modified.
"""
doc = self.create_num_target_examples()
assert len(doc.ents) == 3
item = ConTextItem(
"vs", category="UNCERTAIN", rule="BIDIRECTIONAL", max_scope=None
)
tag_object = TagObject(item, 5, 6, doc)
for target in doc.ents:
if tag_object.modifies(target):
tag_object.modify(target)
assert tag_object.num_targets == 3
def test_on_modifies_arg_values(self):
def check_arg_types(target, modifier, span_between):
if target.lower_ != "chf":
return False
if modifier.lower_ != "no evidence of":
return False
if span_between.lower_ != "pneumonia or":
return False
return True
item = ConTextItem("no evidence of", "NEGATED_EXISTENCE", on_modifies=check_arg_types)
doc = nlp("There is no evidence of pneumonia or chf.")
doc.ents = (doc[5:6], doc[7:8])
tag = TagObject(item, 2, 5, doc)
assert tag.modifies(doc.ents[1]) is True