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from __future__ import annotations
import pytest
from pre_commit.yaml import yaml_compose
from pre_commit.yaml_rewrite import MappingKey
from pre_commit.yaml_rewrite import MappingValue
from pre_commit.yaml_rewrite import match
from pre_commit.yaml_rewrite import SequenceItem
def test_match_produces_scalar_values_only():
src = '''\
- name: foo
- name: [not, foo] # not a scalar: should be skipped!
- name: bar
'''
matcher = (SequenceItem(), MappingValue('name'))
ret = [n.value for n in match(yaml_compose(src), matcher)]
assert ret == ['foo', 'bar']
@pytest.mark.parametrize('cls', (MappingKey, MappingValue))
def test_mapping_not_a_map(cls):
m = cls('s')
assert list(m.match(yaml_compose('[foo]'))) == []
def test_sequence_item_not_a_sequence():
assert list(SequenceItem().match(yaml_compose('s: val'))) == []
def test_mapping_key():
m = MappingKey('s')
ret = [n.value for n in m.match(yaml_compose('s: val\nt: val2'))]
assert ret == ['s']
def test_mapping_value():
m = MappingValue('s')
ret = [n.value for n in m.match(yaml_compose('s: val\nt: val2'))]
assert ret == ['val']
def test_sequence_item():
ret = [n.value for n in SequenceItem().match(yaml_compose('[a, b, c]'))]
assert ret == ['a', 'b', 'c']
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