David Snelling
de79d6b5a4
Each file opened one or more Brainy instances (beforeEach, or a small per-test helper like migration-gate-family-scoped's module-level seed()) and never closed them. migration-gate-family-scoped.test.ts now tracks every brain seed() hands back in a describe-scoped array drained by afterEach, since the helper itself lives outside the describe block.
73 lines
3.3 KiB
TypeScript
73 lines
3.3 KiB
TypeScript
/**
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* @module tests/unit/brainy/metadata-provider-contract
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* @description Brainy-side wiring of the metadata-provider contract.
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*
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* `getIdsForFilter(filter, opts?)` — brainy passes a page bound on the UNSORTED
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* `find({ type, where, limit })` path so a native provider can early-stop. The JS
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* index ignores `opts`.
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*
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* RETIRED (health-gate law): `probeConsistency()` / `ensureMetadataConsistencyProbed()`
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* — a read-time consistency probe that launches `detectAndRepairCorruption()` on
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* `false` was exactly the read-triggered dark rebuild the law forbids (a read must
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* never start a store walk or a rebuild). The probe's diagnostic value lives on in
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* `validateIndexConsistency()` / `repairIndex()`, which remain explicit, operator-invoked
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* calls. The pin below confirms the retirement: `probeConsistency()` is never called by
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* a read, even when a provider exposes it.
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*
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* These are unit tests of brainy's CALL behaviour (the real end-to-end honoring is
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* exercised by cor's combined matrix); they inject probe/spy hooks onto the live JS
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* metadata index, which has neither method by default.
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*/
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import { describe, it, expect, beforeEach, afterEach } from 'vitest'
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import { Brainy } from '../../../src/brainy'
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import { NounType } from '../../../src/types/graphTypes'
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describe('metadata-provider contract wiring (getIdsForFilter opts)', () => {
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let brain: Brainy<any>
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let mi: any
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beforeEach(async () => {
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brain = new Brainy({ requireSubtype: false, storage: { type: 'memory' }, silent: true })
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await brain.init()
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await brain.add({ data: 'a', type: NounType.Thing, metadata: { kind: 'x' } })
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await brain.add({ data: 'b', type: NounType.Thing, metadata: { kind: 'y' } })
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mi = (brain as any).metadataIndex
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})
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afterEach(async () => {
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await brain.close()
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})
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it('RETIRED: a read never calls probeConsistency() / self-heals via detectAndRepairCorruption — that is the read-triggered dark rebuild the health-gate law forbids', async () => {
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let probes = 0
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let repairs = 0
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mi.probeConsistency = async () => { probes++; return false } // would-be corrupt signal
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const origRepair = mi.detectAndRepairCorruption.bind(mi)
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mi.detectAndRepairCorruption = async () => { repairs++; return origRepair() }
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await brain.find({ where: { kind: 'x' } })
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await brain.find({ where: { kind: 'y' } })
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expect(probes).toBe(0) // no read-time probe exists anymore
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expect(repairs).toBe(0) // and therefore no read-triggered self-heal either
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delete mi.probeConsistency
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mi.detectAndRepairCorruption = origRepair
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})
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it('passes a page bound to getIdsForFilter on the unsorted find path (offset 0, brainy re-windows)', async () => {
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let seenOpts: { limit?: number; offset?: number } | undefined
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const orig = mi.getIdsForFilter.bind(mi)
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mi.getIdsForFilter = async (filter: any, opts?: { limit?: number; offset?: number }) => {
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seenOpts = opts
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return orig(filter, opts)
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}
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const rows = await brain.find({ where: { kind: 'x' }, limit: 5 })
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expect(rows.length).toBe(1) // result correctness preserved (JS ignores opts)
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expect(seenOpts).toBeDefined()
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expect(typeof seenOpts!.limit).toBe('number')
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expect(seenOpts!.limit).toBeGreaterThanOrEqual(5)
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expect(seenOpts!.offset).toBe(0) // brainy applies offset itself via slice
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})
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})
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