test: add coverage for entity-kinds.ts hydration branches

[EmaToplek]

Summary

Adds test coverage for tableEntityKind.construct in packages/2-sql/1-core/contract/src/entity-kinds.ts, covering both hydration paths (already-constructed Index/CheckConstraint instances passed through vs. serialized JSON forms hydrated via indexInputFromSerialized/checkConstraintInputFromSerialized), plus the branch where checks is entirely absent from the input.

• entity-kinds.ts: 100% statements/branches/functions/lines (up from 83%/43%/60%/83%)

Summary by CodeRabbit

• Tests
  • Reorganized table tests for indexes and check constraints, with coverage for restoring serialized values and preserving existing objects.
  • Removed the prior test verifying that check constraints are omitted when none are provided.

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• packages/2-sql/1-core/contract/test/entity-kinds.test.ts

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📝 Walkthrough

Walkthrough

The entity-kind tests verify that table construction hydrates serialized index and check constraint records and preserves existing IR instances.

Changes

Entity constraint tests

Layer / File(s)	Summary
Constraint preservation and hydration packages/2-sql/1-core/contract/test/entity-kinds.test.ts	The tests verify that tableEntityKind.construct hydrates serialized indexes and check constraints, and preserves existing index() and CheckConstraint instances by identity.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Suggested reviewers: wmadden-electric

Merge Risk: ⚪ Minimal · up to 968b0

This change strengthens constraint hydration tests without an identified behavior risk; it is mergeable subject to normal checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding test coverage for hydration branches in entity-kinds.ts.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Inline comments:
In `@packages/2-sql/1-core/contract/test/entity-kinds.test.ts`:
- Line 125: Update the assertions in the affected entity-kind tests to use toBe
for the constructed Index and CheckConstraint elements, verifying the returned
values preserve object identity for pass-through inputs rather than only
structural equality.

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• packages/2-sql/1-core/contract/test/entity-kinds.test.ts

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commit: 968b0b8

[wmadden-electric]

Thanks @EmaToplek. Rather than send this back for another round, we've pushed three small commits on top of yours:

• The two tests for stored records now use an index record with prefix, columns and unique (and a check record with a prefix), and compare the whole hydrated node with toStrictEqual. Before, they checked only the class and a name copied from the input, so they would have passed if hydration dropped a field.
• Removed the "omits checks entirely" test. StorageTable's constructor already drops empty checks, so nothing in entity-kinds.ts could make it fail.
• Moved the tests into the existing describe('tableEntityKind'), built the nodes with the index() factory, and renamed the tests to say what happens.

Your pass-through tests and their toBe identity checks are kept as they were; they are the only thing that would catch the pass-through branch being removed.