def test_propclass_defaults_stringPropertyNames():
defs = Properties({"key": "lock", "horse": "orange"})
p = Properties({"key": "value", "apple": "zebra"}, defaults=defs)
assert p.stringPropertyNames() == set(["key", "apple", "horse"])
def test_propclass_stringPropertyNames():
p = Properties({"key": "value", "apple": "zebra", "foo": "bar"})
assert p.stringPropertyNames() == set(["key", "apple", "foo"])