Testing polymorphic has_many associations

[valscion]

Since jsonapi-resources v0.9.6 it has been possible to do updates to polymorphic has_many associations: https://github.com/cerebris/jsonapi-resources/pull/1217

We should probably have some sort of a test to verify jsonapi-authorization works for these cases.

Would be nice if this new test case was written in a way where all the code needed for the test would be next to the test file itself, as described in #124 (comment)

[ouabing]

0.9.6 seems use {type: 'some-type', ids: [...]} as params to identify polymorphic has_many associations, which can't be simply passed to ActiveRecord's find function. This behavior breaks the polymorphic has_many association authorization.

[valscion]

@ouabing can you show an example scenario where there's breakage? Preferably open a new issue with that information ☺️

[ouabing]

Oh sorry, finally I found that's my fault. I marked a non-polymorphic relationship as a polymorphic one (which works without problem in JA 1.0 version).

[valscion]

Thanks for clarifying ☺️. I hid the comments above as resolved as this discussion wasn't about the original issue description