def test_data_cache_store_item():
"""
Test data cache storing `n23.Data` item.
"""
cache = Cache(['n'])
cache.add(Data('n', 10, 1001, 101))
assert [(1001, 101)] == list(cache['n'])
def test_data_cache_store_dict():
"""
Test data cache storing dictionary item.
"""
cache = Cache(['n'])
cache.add({'name': 'n', 'clock': 10, 'time': 1001, 'value': 101})
assert [(1001, 101)] == list(cache['n'])
def test_data_cache_store_list():
"""
Test data cache storing list of items.
"""
cache = Cache(['n'])
cache.add({'name': 'n', 'clock': 10, 'time': 1001, 'value': 101})
cache.add(Data('n', 11, 1002, 102))
assert [(1001, 101), (1002, 102)] == list(cache['n'])
def test_data_cache_store_limit():
"""
Test data cache storing no more than max size items.
"""
cache = Cache(['n'], 2) # store just two items
cache.add(Data('n', 10, 1001, 101))
cache.add(Data('n', 11, 1002, 102))
cache.add(Data('n', 12, 1003, 103))
cache.add(Data('n', 13, 1004, 104))
assert [(1003, 103), (1004, 104)] == list(cache['n'])
