def test_formats_for_format():
bytes_fmt = FormatRegistry.for_format('bytes')[0]
json_fmt = FormatRegistry.for_format('json')[0]
some_bytes = b'["phlipper", "piglet"]'
assert bytes_fmt.serialize(some_bytes)[0] == some_bytes
assert json_fmt.deserialize(some_bytes) == ['phlipper', 'piglet']
def test_buggy_parquet():
"""
Test that T4 avoids crashing on bad Pandas metadata from
old pyarrow libaries.
"""
path = pathlib.Path(__file__).parent
for parquet_handler in FormatRegistry.for_format('parquet'):
with open(path / 'data' / 'buggy_parquet.parquet', 'rb') as bad_parq:
# Make sure this doesn't crash.
parquet_handler.deserialize(bad_parq.read())
