def test_number_bytes_format():
x = [1000, 1000000, 4e5]
labels = number_bytes_format(symbol='MiB')(x)
assert labels == ['0 MiB', '1 MiB', '0 MiB']
labels = number_bytes_format(symbol='MiB', fmt='{:.2f} ')(x)
assert labels == ['0.00 MiB', '0.95 MiB', '0.38 MiB']
with pytest.raises(ValueError):
number_bytes_format(symbol='Bad')(x)
def test_empty_breaks():
x = []
assert custom_format()(x) == []
assert comma_format()(x) == []
assert currency_format()(x) == []
assert percent_format()(x) == []
assert scientific_format()(x) == []
assert date_format()(x) == []
assert mpl_format()(x) == []
assert log_format()(x) == []
assert timedelta_format()(x) == []
assert pvalue_format()(x) == []
assert ordinal_format()(x) == []
assert number_bytes_format()(x) == []