Phase 5.0 of the CJS↔SDK hard-seam migration (parent #3524). Foundational PR. Ships ONLY the synchronous primitive on the SDK runtime bridge plus pinning tests. Per-family CJS router migrations (state.*, verify.*, init.*, phase.*, phases.*, validate.*, roadmap.*, frontmatter.*, config.*) become follow-up enhancements that each reuse this primitive. ## What landed - sdk/src/runtime-bridge-sync/index.ts (155 lines) — public API. Exports executeForCjs(input: RuntimeBridgeExecuteInput): RuntimeBridgeSyncResult. Synchronous; lazily creates the synckit sync function on first call. - sdk/src/runtime-bridge-sync/worker.ts (167 lines) — synckit worker. Constructs a native-only QueryRuntimeBridge (with allowFallbackToSubprocess: false), awaits its async execute, catches GSDToolsError / GSDError, maps classification to the six ADR-0001 canonical error kinds plus exit code. - sdk/src/runtime-bridge-sync/index.test.ts (197 lines, 8 vitest pinning fixtures) — success path; unknown_command; native_failure (shape); validation_error (shape); shape invariants; idempotency. - tests/runtime-bridge-sync-smoke.test.cjs (99 lines, 4 node:test cases) — proves the primitive works from CJS callers via require(). ## Decisions 1. Synchronous-bridging mechanism: synckit. Disqualified: - deasync: stagnant (68 open issues, single maintainer, last release Nov 2025), private Node API (process.binding('uv')), untested on Node 22, documented deadlocks with modern Promise chains. - Sync-native SDK refactor: technically infeasible — acquireStateLock in state-mutation.ts uses await setTimeout for retry backoff; making that fully sync requires either Atomics.wait (which IS synckit), busy-loop (degrades responsiveness), or breaking 100+ SDK consumers. Synckit (v0.11.12) is pure JS, actively maintained (last push today), stable public APIs (Atomics.wait + SharedArrayBuffer), Node 22 compatible, no native compile. 2. Native-only transport inside the worker. The sync bridge uses allowFallbackToSubprocess: false. Unknown commands surface as unknown_command instead of spawning gsd-sdk. Keeps the worker self-contained and predictable. 3. Worker path resolution. resolveWorkerPath() navigates ../.. from the loaded module URL to land at dist/runtime-bridge-sync/worker.js — works under both vitest (loads src) and CJS consumers (load dist). 4. GSDError.Blocked → validation_error. ADR-0001's 6-kind taxonomy has no `blocked` kind; Blocked classification is mapped onto validation_error since the operational shape matches (prerequisite missing). ## Numbers - 8 SDK vitest pinning tests pass. - 4 CJS smoke tests pass. - Full suite: 9286/9286 pass (baseline 9282; +4 from the new smoke test cases). - SDK vitest unit: 1860/1860 pass. - Performance: 80ms first-call cold latency (Worker startup + bridge construction); 0.1ms steady-state per-call latency (10-call average after warmup). Well within budget for CJS dispatcher overhead. ## Canonical error kind coverage - unknown_command: covered with pinning fixture - native_failure: shape coverage (handler that throws) - validation_error: shape coverage (GSDError.Validation + GSDError.Blocked) - internal_error: shape coverage only (eliciting TypeError reliably from a registered handler requires elaborate fixture) - native_timeout: NOT pinned (no registered handler genuinely times out; classification logic present in worker) - fallback_failure: NOT pinned (subprocess fallback disabled by design in sync bridge) The classification logic is in the worker regardless; per-family migration PRs will exercise the unpinned kinds incidentally. ## Wiring - sdk/package.json: synckit ^0.11.12 added as runtime dependency (not devDependency — it's required at runtime whenever a CJS caller invokes executeForCjs). - sdk/package-lock.json: regenerated. - CONTEXT.md: new "Sync Runtime Bridge Module" entry added after Dispatch Policy Module. Existing "CJS Command Router Adapter Module" entry amended with one sentence pointing at the primitive and the per-family migration roadmap. No generator/freshness check needed for this phase — the primitive IS the SDK (not a generated CJS mirror). Closes #3555.
100 lines
3.8 KiB
JavaScript
100 lines
3.8 KiB
JavaScript
'use strict';
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/**
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* CJS smoke test for the executeForCjs synchronous primitive (Phase 5.0 #3555).
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*
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* Verifies that the compiled dist artifact can be required from a CJS context
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* and that executeForCjs returns the expected result shape synchronously.
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*
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* This is the critical end-to-end proof that the primitive works for CJS callers
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* — the actual point of Phase 5.0.
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*/
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const { describe, test } = require('node:test');
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const assert = require('node:assert/strict');
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const path = require('node:path');
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const REPO_ROOT = path.join(__dirname, '..');
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const BRIDGE_PATH = path.join(REPO_ROOT, 'sdk', 'dist', 'runtime-bridge-sync', 'index.js');
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describe('runtime-bridge-sync CJS smoke test', () => {
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test('executeForCjs is exported and is a function', async () => {
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// Use dynamic import because Node 24 supports require() of ESM but
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// the module is ESM (NodeNext output). Dynamic import works in all contexts.
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const mod = await import(BRIDGE_PATH);
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assert.strictEqual(typeof mod.executeForCjs, 'function', 'executeForCjs must be a function');
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});
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test('executeForCjs returns ok:true for generate-slug (success path)', async () => {
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const { executeForCjs } = await import(BRIDGE_PATH);
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const result = executeForCjs({
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registryCommand: 'generate-slug',
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registryArgs: ['My Smoke Test Phase'],
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legacyCommand: 'generate-slug',
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legacyArgs: ['My Smoke Test Phase'],
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mode: 'json',
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projectDir: '/tmp',
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});
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// The returned value must be a plain object, not a Promise
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assert.strictEqual(typeof result, 'object', 'result must be an object');
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assert.ok(!(result instanceof Promise), 'result must not be a Promise');
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assert.ok('ok' in result, 'result must have ok property');
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assert.strictEqual(result.ok, true, 'expected ok:true');
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assert.strictEqual(result.exitCode, 0, 'expected exitCode:0');
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assert.ok(result.data != null, 'expected data to be non-null');
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const data = result.data;
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assert.strictEqual(typeof data, 'object', 'data must be an object');
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assert.strictEqual(data.slug, 'my-smoke-test-phase', 'expected slug');
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});
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test('executeForCjs returns ok:false for unknown command', async () => {
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const { executeForCjs } = await import(BRIDGE_PATH);
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const result = executeForCjs({
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registryCommand: '__smoke_test_unknown_command__',
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registryArgs: [],
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legacyCommand: '__smoke_test_unknown_command__',
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legacyArgs: [],
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mode: 'json',
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projectDir: '/tmp',
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});
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assert.strictEqual(typeof result, 'object', 'result must be an object');
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assert.ok(!(result instanceof Promise), 'result must not be a Promise');
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assert.strictEqual(result.ok, false, 'expected ok:false');
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assert.ok(result.exitCode !== 0, 'expected non-zero exitCode');
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assert.ok('errorKind' in result, 'expected errorKind property');
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assert.strictEqual(result.errorKind, 'unknown_command', 'expected unknown_command errorKind');
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assert.ok(Array.isArray(result.stderrLines), 'expected stderrLines array');
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});
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test('executeForCjs result shape matches RuntimeBridgeSyncResult discriminated union', async () => {
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const { executeForCjs } = await import(BRIDGE_PATH);
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// Success shape
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const success = executeForCjs({
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registryCommand: 'current-timestamp',
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registryArgs: ['date'],
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legacyCommand: 'current-timestamp',
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legacyArgs: ['date'],
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mode: 'json',
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projectDir: '/tmp',
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});
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assert.ok('ok' in success, 'success result must have ok');
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if (success.ok) {
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assert.strictEqual(success.exitCode, 0);
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assert.ok('data' in success);
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} else {
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// current-timestamp might fail if args aren't what it expects; just check shape
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assert.ok('errorKind' in success);
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assert.ok('stderrLines' in success);
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assert.ok(Array.isArray(success.stderrLines));
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}
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});
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});
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