def test_cached_attrs_expiry(self):
"""_cached_attrs should expire when _match_cache is updated."""
c = Cell('\n!v', True)
# Fill _match_cache and _attrs_match_cache
self.assertEqual(c.attrs, {})
# Invalidate both caches
c.insert(2, 'a|')
# Update _match_cache
self.assertEqual(c.value, 'v')
# _attrs_match_cache should not be valid
self.assertEqual(c.attrs, {'a': ''})
def test_cached_attrs_expiry():
"""_cached_attrs should expire when _match_cache is updated."""
c = Cell('\n!v', True)
# Fill _match_cache and _attrs_match_cache
assert c.attrs == {}
# Invalidate both caches
c.insert(2, 'a|')
# Update _match_cache
assert c.value == 'v'
# _attrs_match_cache should not be valid
assert c.attrs == {'a': ''}
