This is not used yet.
It shows how i plan to use it when adding new contents range endpoints.

No need for this, will remove.

I don't know much about Hypothesis, but it looks like it uses this directory to store examples that used to trigger failures; so it's a useful dir. The doc recommends to only ignore .hypothesis/eval_source. https://hypothesis.readthedocs.io/en/3.1.0/database.html

Why --disable-warnings?

Optional[bytes] means it's either None or an instance of bytes. You should probably use Optional[Tuple[bytes, bytes]].

Should be content_types, not content_tables. Also, that means this line is not tested.

Why the +1?

Same comment as on _content_get_range's doc.

Should be named content_mimetypes

Should be named actual_ids.

Should be named actual_ids.

Redundant with self.assertEqual(expected_mimetypes2, actual_mimetypes2)

Well, thanks for raising concerns.

but:

$ tree .hypothesis | tail -1
10 directories, 321 files

I don't want to commit that much data ;)

because i forgot about it ;)

next is either None or an instance of bytes.

Nice catch.

Yes, it's remains from my incremental way of testing.

To take the last one as next (if any).

fyi, that conditional is not tested... because i don't know how to test due to the db thing...
The db thing is installed by the decorators @db_transaction* but there ain't any here since it's an helper function.

same answer, next is an Optional[bytes].