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i) Entity deletion: Marking deletion of entities in Navigator. This will be a slight hack since there is no direct way to get deletion of entities notification. So we can use the metadata changes which are in system scope with deletion operation as an indicator of deletion of an entity (and mark the entity as deleted). This can be introduced in the app once CDAP-4720 is fixed.
ii) Integration testing: Currently the unit-testing of the app is virtually nonexistent. Primarily because there is no in memory navigator implementation that we can depend upon. So the only way to test it would in Integration tests. That means our Integration Tests should have the ability to install Navigator as part of the cluster setup. The app already has a Query that can be used to search Navigator for metadata tags/properties.
Possible tighter integration options:
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