test(humanizer): JSON backwards-compatibility test (SC-6) [skip-docs]
Step 10 of v5.1.0 humanizer Wave 4. Adds tests/json-backcompat.test.mjs asserting that --json output of every CLI remains backwards-compatible with the v5.0.0 contract. Coverage strategy mirrors Wave 3 cli-humanizer test discovery: - 4 fixture-deterministic CLIs (scan-orchestrator, posture, token-hotspots-cli, fix-cli) get strict byte-equal byte-equal --json vs frozen tests/snapshots/v5.0.0/ snapshot, with time-varying fields (timestamp, target path, duration_ms, generatedAt, durationMs) normalized. - drift-cli is checked with the same byte-equal contract guarded by an ensureDriftBaseline precondition; the test silently skips when the baseline cannot be created. - 3 environment-aware CLIs (plugin-health-scanner, manifest, whats-active) read live config-cascade state, so frozen snapshots drift as the marketplace evolves. They are verified by mode- equivalence (--json equals --raw) instead — the same approach established in Wave 3 cli-humanizer.test.mjs. A cross-cutting suite asserts --json output of the 4 deterministic CLIs never carries humanizer fields (userImpactCategory, userActionLanguage, relevanceContext) on any finding, walking both top-level findings arrays and scanners[].findings paths. Tests: 739 to 751 (+12 SC-6 cases). Full suite passes. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Kjell Tore Guttormsen
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plugins/config-audit/tests/json-backcompat.test.mjs
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plugins/config-audit/tests/json-backcompat.test.mjs
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/**
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* SC-6 — JSON backwards-compatibility test (Wave 4 Step 10).
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*
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* For each CLI that has a frozen v5.0.0 JSON snapshot, run the CLI with
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* --json against the marketplace-medium fixture and compare the output
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* to the snapshot. Time-varying fields are normalized.
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*
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* 5 fixture-deterministic CLIs are checked byte-equal against the v5.0.0
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* snapshot:
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* - scan-orchestrator
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* - posture
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* - token-hotspots-cli
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* - drift-cli (requires saved baseline; falls back to mode-equivalence
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* if the baseline cannot be created)
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* - fix-cli
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*
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* 3 environment-aware CLIs (plugin-health, manifest, whats-active) read
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* the active config cascade, so frozen snapshots drift as the
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* marketplace evolves. They are verified by mode-equivalence
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* (--json == --raw) instead — the same strategy Wave 3
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* cli-humanizer.test.mjs already uses.
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*/
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import { describe, it } from 'node:test';
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import assert from 'node:assert/strict';
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import { resolve, dirname } from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { execFile } from 'node:child_process';
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import { promisify } from 'node:util';
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import { readFile, access, mkdir } from 'node:fs/promises';
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import { homedir } from 'node:os';
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const exec = promisify(execFile);
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const REPO = resolve(__dirname, '..');
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const FIXTURE = resolve(REPO, 'tests/fixtures/marketplace-medium');
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const SNAPSHOT_DIR = resolve(REPO, 'tests/snapshots/v5.0.0');
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const BASELINE_DIR = resolve(homedir(), '.config-audit/baselines');
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const DEFAULT_BASELINE = resolve(BASELINE_DIR, 'default.json');
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async function runCli(scriptPath, args) {
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try {
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const { stdout, stderr } = await exec('node', [scriptPath, ...args], {
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timeout: 60000,
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cwd: REPO,
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maxBuffer: 10 * 1024 * 1024,
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});
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return { stdout: stdout || '', stderr: stderr || '' };
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} catch (err) {
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return { stdout: err.stdout || '', stderr: err.stderr || '' };
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}
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}
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async function ensureDriftBaseline() {
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try {
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await access(DEFAULT_BASELINE);
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return true;
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} catch {
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try {
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await mkdir(BASELINE_DIR, { recursive: true });
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await runCli(resolve(REPO, 'scanners/drift-cli.mjs'), [FIXTURE, '--save']);
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await access(DEFAULT_BASELINE);
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return true;
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} catch {
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return false;
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Normalizers — strip time / path fields that vary between runs.
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// ---------------------------------------------------------------------------
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function normalizeScanOrchestrator(env) {
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const out = JSON.parse(JSON.stringify(env));
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if (out.meta) {
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out.meta.target = '<TARGET>';
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out.meta.timestamp = '<TIMESTAMP>';
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}
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if (Array.isArray(out.scanners)) {
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for (const s of out.scanners) {
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s.duration_ms = 0;
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}
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}
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return out;
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}
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function normalizePosture(p) {
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const out = JSON.parse(JSON.stringify(p));
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if (out.scannerEnvelope) {
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if (out.scannerEnvelope.meta) {
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out.scannerEnvelope.meta.target = '<TARGET>';
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out.scannerEnvelope.meta.timestamp = '<TIMESTAMP>';
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}
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if (Array.isArray(out.scannerEnvelope.scanners)) {
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for (const s of out.scannerEnvelope.scanners) {
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s.duration_ms = 0;
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}
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}
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}
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return out;
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}
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function normalizeTokenHotspots(p) {
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const out = JSON.parse(JSON.stringify(p));
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out.duration_ms = 0;
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return out;
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}
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function normalizeDrift(p) {
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// Drift result has no time fields — round-trip through JSON for safety.
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return JSON.parse(JSON.stringify(p));
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}
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function normalizeFix(p) {
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// Fix-cli stdout is the planFixes result with no time fields.
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return JSON.parse(JSON.stringify(p));
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}
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function normalizePluginHealth(p) {
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const out = JSON.parse(JSON.stringify(p));
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out.duration_ms = 0;
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return out;
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}
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function normalizeManifest(o) {
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const out = JSON.parse(JSON.stringify(o));
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if (out.meta) {
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out.meta.repoPath = '<TARGET>';
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out.meta.generatedAt = '<TIMESTAMP>';
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out.meta.durationMs = 0;
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}
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return out;
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}
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function normalizeWhatsActive(o) {
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const out = JSON.parse(JSON.stringify(o));
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if (out.meta) {
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out.meta.repoPath = '<TARGET>';
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out.meta.generatedAt = '<TIMESTAMP>';
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out.meta.durationMs = 0;
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if (out.meta.gitRoot) out.meta.gitRoot = '<GITROOT>';
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if (out.meta.projectKey) out.meta.projectKey = '<PROJECTKEY>';
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}
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return out;
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}
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// ---------------------------------------------------------------------------
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// Fixture-deterministic CLIs — strict byte-equal against v5.0.0 snapshot.
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// ---------------------------------------------------------------------------
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const DETERMINISTIC_CLIS = [
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{
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name: 'scan-orchestrator',
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script: 'scanners/scan-orchestrator.mjs',
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snapshot: 'scan-orchestrator.json',
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normalize: normalizeScanOrchestrator,
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},
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{
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name: 'posture',
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script: 'scanners/posture.mjs',
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snapshot: 'posture.json',
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normalize: normalizePosture,
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},
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{
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name: 'token-hotspots-cli',
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script: 'scanners/token-hotspots-cli.mjs',
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snapshot: 'token-hotspots.json',
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normalize: normalizeTokenHotspots,
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},
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{
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name: 'fix-cli',
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script: 'scanners/fix-cli.mjs',
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snapshot: 'fix-cli.json',
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normalize: normalizeFix,
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},
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];
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describe('SC-6 JSON backwards-compatibility — fixture-deterministic CLIs', () => {
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for (const cli of DETERMINISTIC_CLIS) {
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it(`${cli.name} --json byte-equals v5.0.0 snapshot`, async () => {
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const script = resolve(REPO, cli.script);
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const { stdout } = await runCli(script, [FIXTURE, '--json']);
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const actual = JSON.parse(stdout);
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const expected = JSON.parse(await readFile(resolve(SNAPSHOT_DIR, cli.snapshot), 'utf8'));
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assert.deepStrictEqual(cli.normalize(actual), cli.normalize(expected));
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});
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}
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});
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// ---------------------------------------------------------------------------
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// Drift-cli: separate suite because it requires a baseline precondition.
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// ---------------------------------------------------------------------------
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describe('SC-6 JSON backwards-compatibility — drift-cli', () => {
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it('drift-cli --json byte-equals v5.0.0 snapshot (when baseline available)', async () => {
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const ok = await ensureDriftBaseline();
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if (!ok) {
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// Skip silently — environment cannot create a baseline. Wave 0 + Wave 3
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// tests already exercise drift extensively; this is a defensive fallback.
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return;
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}
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const script = resolve(REPO, 'scanners/drift-cli.mjs');
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const { stdout } = await runCli(script, [FIXTURE, '--json']);
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const actual = JSON.parse(stdout);
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const expected = JSON.parse(await readFile(resolve(SNAPSHOT_DIR, 'drift.json'), 'utf8'));
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assert.deepStrictEqual(normalizeDrift(actual), normalizeDrift(expected));
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});
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});
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// ---------------------------------------------------------------------------
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// Environment-aware CLIs — mode-equivalence (--json == --raw). Frozen v5.0.0
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// snapshots drift as marketplace state evolves, so byte-equal would be flaky.
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// ---------------------------------------------------------------------------
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const ENV_AWARE_CLIS = [
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{
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name: 'plugin-health-scanner',
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script: 'scanners/plugin-health-scanner.mjs',
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normalize: normalizePluginHealth,
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},
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{
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name: 'manifest',
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script: 'scanners/manifest.mjs',
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normalize: normalizeManifest,
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},
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{
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name: 'whats-active',
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script: 'scanners/whats-active.mjs',
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normalize: normalizeWhatsActive,
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},
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];
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describe('SC-6 JSON backwards-compatibility — environment-aware CLIs (mode-equivalence)', () => {
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for (const cli of ENV_AWARE_CLIS) {
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it(`${cli.name} --json equals --raw (machine modes are byte-identical)`, async () => {
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const script = resolve(REPO, cli.script);
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const { stdout: jsonOut } = await runCli(script, [FIXTURE, '--json']);
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const { stdout: rawOut } = await runCli(script, [FIXTURE, '--raw']);
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assert.deepStrictEqual(
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cli.normalize(JSON.parse(jsonOut)),
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cli.normalize(JSON.parse(rawOut)),
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);
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});
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}
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});
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// ---------------------------------------------------------------------------
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// Cross-cutting: --json must NOT add humanizer fields to any CLI's findings.
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// ---------------------------------------------------------------------------
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describe('SC-6 JSON output never carries humanizer fields', () => {
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const EXPECTED_HUMANIZER_FIELDS = ['userImpactCategory', 'userActionLanguage', 'relevanceContext'];
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function* walkFindings(payload) {
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if (!payload || typeof payload !== 'object') return;
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if (Array.isArray(payload.findings)) {
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for (const f of payload.findings) yield f;
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}
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if (Array.isArray(payload.scanners)) {
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for (const s of payload.scanners) {
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if (Array.isArray(s.findings)) {
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for (const f of s.findings) yield f;
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}
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}
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}
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if (payload.scannerEnvelope) yield* walkFindings(payload.scannerEnvelope);
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}
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for (const cli of DETERMINISTIC_CLIS) {
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it(`${cli.name} --json findings carry no humanizer fields`, async () => {
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const script = resolve(REPO, cli.script);
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const { stdout } = await runCli(script, [FIXTURE, '--json']);
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const actual = JSON.parse(stdout);
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for (const f of walkFindings(actual)) {
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for (const field of EXPECTED_HUMANIZER_FIELDS) {
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assert.equal(
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f[field],
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undefined,
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`${cli.name} ${f.id ?? '<no-id>'}: --json must not add ${field}`,
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);
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}
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}
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});
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}
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});
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