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feat: support for diffing presence containers #990

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@JonasKs JonasKs commented Oct 2, 2024

Closes #936.

The implementation ended up being somewhat as described in #936, where we indicate that presence container has a nil value in the findSetLeaves function.
In addition to this, we added a presence container interface, which is used in the marshalStructOrOrderedList to isolate the presence container which might have values, to act like an empty struct.

The result is that we do not break any current tests (even without the diff option), but we decided to add a diff option, with the reasoning described in #936:

Adding this as a non-optional, paired with ygot.BuildEmptyTree would also probably be breaking, as it would set all these presence containers?

We've confirmed this works in our setup. We're able to successfully configure all presence containers, even nested ones.

Co-authored-by: Terje Lafton [email protected]

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@JonasKs JonasKs force-pushed the support-presence-containers branch from 4970f67 to 519ff68 Compare October 2, 2024 12:21
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JonasKs commented Oct 2, 2024

Hello @wenovus and @robshakir - it took some time, but we finally managed to crack the code. Please review. 😊

@JonasKs JonasKs force-pushed the support-presence-containers branch from 519ff68 to 58943fa Compare October 2, 2024 13:22
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coveralls commented Oct 2, 2024

Coverage Status

coverage: 88.766% (-0.04%) from 88.807%
when pulling bcaa4dc on JonasKs:support-presence-containers
into 100bd44 on openconfig:master.

@JonasKs JonasKs force-pushed the support-presence-containers branch from 58943fa to 8c252eb Compare October 2, 2024 13:42
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JonasKs commented Oct 2, 2024

Also tagging #645 author, @hansthienpondt.

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ygot.Diff don't respect presence containers
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