def test_add_keyword(value):
"""Can add a keyword"""
from sherpa.astro.io.meta import Meta
store = Meta()
store['key'] = value
assert store.keys() == ['key']
assert store.has_key('key')
assert len(store.values()) == 1
svalue = store['key']
assert svalue == value
def test_key_does_not_exist():
"""We know when a key does not exist"""
from sherpa.astro.io.meta import Meta
store = Meta()
assert not store.has_key("key")