open-brainy/tests/unit/test-suite-coverage-guard.test.ts
David Snelling 7b67db4d0c
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feat(query): the sparse-store cut — where on a never-carried field serves operator truth, never a refusal
A first adopter's namespace migration went 341 red on one class: the
never-carried-field refusal firing on CORRECT filters against fresh and
sparse stores — a freshly provisioned tenant refused its own first
filtered read, with the did-you-mean built for typos firing hardest on
day-one stores where nothing is wrong.

The ruled cut: a WHERE filter naming a field no row carries is SERVED
OPERATOR-TRUTHFULLY — eq/in/range/contains answer [] (nothing carries
it, nothing matches); ne and exists:false answer ALL rows (the equally
true complement — a blanket empty here would be silently wrong, which is
why the simpler cut was rejected); exists:true answers []. Served from
the field registry, with the did-you-mean demoted to a once-per-field
WARN. orderBy and genuinely ambiguous addresses KEEP their hard typed
refusals: no truthful order exists over an uncarried field, and
ambiguity is a contract error while absence is data.

Mechanics: the negative operator absorbs the FIELD_NOT_INDEXED throw as
its empty exclude set (the clause-level catch correctly zeroes positive
operators only); the egress matcher already agreed. Plus the
provider-seam belt: a field refusal thrown by a replacement metadata
manager is normalized to THIS package's UnresolvableFieldError at every
filter call site — one class identity for consumers, instanceof works
(a first adopter's cross-package finding).

Conformance: tests/conformance/sparse-store-cut.test.ts — the shared
operator rows both engines run (positive-empty, negative-all,
fresh-tenant day-one, orderBy refusal kept, compound composition).
Gates: unit 2065/2065 · integration 832 · conformance 36/36.
2026-08-12 15:57:19 -07:00

87 lines
4 KiB
TypeScript

/**
* @module tests/unit/test-suite-coverage-guard
* @description Prevents a test file from silently falling outside EVERY vitest
* config (so it never runs and gives false coverage confidence — the exact drift
* that left ~27 test files un-run before 8.0). Every `*.test.ts` must either match
* a gate config (`tests/unit/**`, `tests/integration/**`, `*.unit.test.ts`,
* `*.integration.test.ts`) or be explicitly listed in MANUAL_ONLY below.
*/
import { describe, it, expect } from 'vitest'
import { readdirSync } from 'node:fs'
import { join, relative, dirname } from 'node:path'
import { fileURLToPath } from 'node:url'
const repoRoot = join(dirname(fileURLToPath(import.meta.url)), '../..')
const testsDir = join(repoRoot, 'tests')
function allTestFiles(dir: string, out: string[] = []): string[] {
for (const e of readdirSync(dir, { withFileTypes: true })) {
const p = join(dir, e.name)
if (e.isDirectory()) allTestFiles(p, out)
else if (e.isFile() && p.endsWith('.test.ts')) out.push(relative(repoRoot, p).split('\\').join('/'))
}
return out
}
/**
* Test files INTENTIONALLY excluded from the unit/integration gate: benchmarks,
* scale/perf measurements, package-size checks, and real-model-load checks. They
* are run manually (slow / need real resources), not in CI. Every entry is a
* conscious decision — a NEW orphan not listed here fails the guard below.
*/
const MANUAL_ONLY = new Set<string>([
// Conformance suites run as an explicit gate stage (both engines run them
// by direct invocation), never swept into the unit/integration configs.
'tests/conformance/collider-fidelity.test.ts',
// Golden-log fold-conformance oracle: the two-implementation contract pin
// (byte + fold digests) — runs in the explicit conformance gate stage,
// same invocation family as the other conformance suites.
'tests/conformance/golden-log-fold.test.ts',
// The sparse-store cut's shared operator rows (both engines run these):
// explicit conformance-gate invocation, like its siblings.
'tests/conformance/sparse-store-cut.test.ts',
'tests/api/performance-benchmarks.test.ts',
'tests/critical-neural-validation.test.ts',
'tests/critical-performance-benchmark.test.ts',
'tests/model-loading.test.ts',
'tests/package-size-breakdown.test.ts',
'tests/package-size-limit.test.ts',
'tests/performance/graph-scale-performance.test.ts',
'tests/performance/triple-intelligence-scale.test.ts',
'tests/performance/typeAware.bench.test.ts',
// Cross-engine field-addressing conformance suite: pinned bit-for-bit against
// the native accelerator's implementation of the SAME contract, and invoked
// directly (`npx vitest run tests/conformance/namespace-law.test.ts`), never
// swept into the unit/integration gates — a run against a branch where the
// resolver hasn't landed yet must SKIP loudly (see the file's own SELF-SKIP
// doc), not silently pass/fail as a side effect of which gate happened to
// pick it up.
'tests/conformance/namespace-law.test.ts'
])
function inGate(rel: string): boolean {
return (
rel.startsWith('tests/unit/') ||
rel.startsWith('tests/integration/') ||
rel.endsWith('.unit.test.ts') ||
rel.endsWith('.integration.test.ts')
)
}
describe('test-suite coverage guard', () => {
it('every *.test.ts runs in a gate config or is explicitly allowlisted as manual', () => {
const orphans = allTestFiles(testsDir).filter((f) => !inGate(f) && !MANUAL_ONLY.has(f))
expect(
orphans,
'These test files match NO vitest config and are not in MANUAL_ONLY — rename to ' +
'*.unit.test.ts / *.integration.test.ts (or move under tests/unit|integration), or add to ' +
`MANUAL_ONLY if they are benchmarks:\n${orphans.join('\n')}`
).toEqual([])
})
it('the manual allowlist has no stale entries (every listed file still exists)', () => {
const all = new Set(allTestFiles(testsDir))
const stale = [...MANUAL_ONLY].filter((f) => !all.has(f))
expect(stale, `MANUAL_ONLY lists files that no longer exist — remove them:\n${stale.join('\n')}`).toEqual([])
})
})