def test_consume_file_and_write_contents(manifest, manifest_info):
manifest_file, checksum = manifest
write_to = BytesIO()
actual_hash = collection._consume_file(manifest_file, write_to)
write_to.seek(0)
assert to_bytes(json.dumps(manifest_info)) == write_to.read()
assert actual_hash == checksum
def test_consume_file(manifest):
manifest_file, checksum = manifest
assert checksum == collection._consume_file(manifest_file)