def test_get_value_slice():
result = get_value(('asteroids', slice(1, None)), SAMPLE_DATA)
assert result == SAMPLE_DATA['asteroids'][1:]
result = get_value(('asteroids', slice(None, 2)), SAMPLE_DATA)
assert result == SAMPLE_DATA['asteroids'][:2]
expect = SAMPLE_DATA['asteroids'][1:2]
assert get_value(('asteroids', slice(1, 2)), SAMPLE_DATA) == expect
result = get_value(('asteroids', slice(None, None, 2)), SAMPLE_DATA)
assert result == SAMPLE_DATA['asteroids'][::2]
def test_get_value_slice_in_middle():
result = get_value(('asteroids', slice(1, 2), 0, 'name'), SAMPLE_DATA)
assert result == '1989 ML'
def test_get_value_index_number():
assert get_value(('asteroids', 0, 'name'), SAMPLE_DATA) == 'Ryugu'
def test_get_value_key_names():
assert get_value(('source', 'name'), SAMPLE_DATA) == 'Asterank'
def test_get_value_type_error():
assert get_value(('source', 8), SAMPLE_DATA) is None
assert get_value(('asteriod', 'name'), SAMPLE_DATA) is None
def test_get_value_index_out_of_range():
assert get_value(('asteroids', 8), SAMPLE_DATA) is None
def test_get_value_missing_key():
assert get_value(('missing', 'key'), SAMPLE_DATA) is None
def apply_funct2keys(item):
for key in keys:
set_value(key, funct(get_value(key, item)), item)
return item