Github user eiri commented on the pull request:
https://github.com/apache/couchdb-couch-replicator/pull/26#issuecomment-188482611
@chewbranca I agree that using ddoc cache is a good thing, not so much on
calling fabric from couch, looks like an opportunity to fall into cycling
calls. I'd prefer either have ddoc cache to support none clustered databases or
change the replicator (and its tests) to be cluster aware.
Anyway, I've got the tests passing locally with inserting the test's ddoc
into ddoc_cache in `couch_replicator_filtered_tests` and adding the following
clause in `couch_changes.erl`
```
filter(Db, DocInfo, {fetch, Style, Req, {DesignId, _}, FName}) ->
{ok, DDoc} = ddoc_cache:open_doc(fabric:dbname(Db), DesignId),
filter(Db, DocInfo, {custom, Style, Req, DDoc, FName}).
```
This looks rather hacky, so if you have a better solution I'm all ears.
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