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
rule = ConTextRule("vs",
category="UNCERTAIN",
direction="BIDIRECTIONAL",
max_scope=None)
modifier = ConTextModifier(rule, 5, 6, doc)
for target in doc.ents:
if modifier.modifies(target):
modifier.modify(target)
assert modifier.num_targets == 3
def test_max_targets_none(self):
"""Check that if max_targets is None it will not reduce the targets
to the two closest ents.
"""
doc = self.create_num_target_examples()
assert len(doc.ents) == 3
rule = ConTextRule("vs",
category="UNCERTAIN",
direction="BIDIRECTIONAL",
max_targets=None)
# Set "vs" to be the modifier
modifier = ConTextModifier(rule, 5, 6, doc)
for target in doc.ents:
modifier.modify(target)
assert modifier.num_targets == 3
modifier.reduce_targets()
assert modifier.num_targets == 3
def test_max_targets_less_than_targets(self):
"""Check that if max_targets is not None it will reduce the targets
to the two closest ents.
"""
doc = self.create_num_target_examples()
assert len(doc.ents) == 3
rule = ConTextRule("vs",
category="UNCERTAIN",
direction="BIDIRECTIONAL",
max_targets=2)
# Set "vs" to be the modifier
modifier = ConTextModifier(rule, 5, 6, doc)
for target in doc.ents:
modifier.modify(target)
assert modifier.num_targets == 3
modifier.reduce_targets()
assert modifier.num_targets == 2
for target in modifier._targets:
assert target.lower_ in ("pneumonia", "copd")