astropy.tests.helper.assert_follows_unicode_guidelines(x, roundtrip=None)[source]

Test that an object follows our Unicode policy. See “Unicode guidelines” in the coding guidelines.

x : object

The instance to test

roundtrip : module, optional

When provided, this namespace will be used to evaluate repr(x) and ensure that it roundtrips. It will also ensure that __bytes__(x) roundtrip. If not provided, no roundtrip testing will be performed.