141 lines
5.0 KiB
JavaScript
141 lines
5.0 KiB
JavaScript
// ADR-021 T048: Performance Verification — P95 ≤ 5s for POST /workflow-engine/instances/:id/transition
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// Clarify Q4: file ≤ 10MB (รวม ClamAV scan + Redlock + DB transaction)
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//
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// ใช้งาน:
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// k6 run --env BASE_URL=http://localhost:3001 \
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// --env USERNAME=admin --env PASSWORD=xxx \
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// --env INSTANCE_ID=<uuid> \
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// --env ATTACHMENT_UUID=<uuid> \
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// scripts/perf/workflow-transition.k6.js
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//
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// Prerequisite:
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// 1. มี workflow instance ในสถานะ PENDING_REVIEW หรือ PENDING_APPROVAL
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// 2. มีไฟล์แนบขนาด 5-10MB ที่ uploaded_by_user_id = <USERNAME>'s user_id
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// และ is_temporary = false (commit แล้วผ่าน Two-Phase)
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// 3. User มีสิทธิ์เป็น assigned handler หรือ superadmin
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import http from 'k6/http';
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import { check, sleep } from 'k6';
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import crypto from 'k6/crypto';
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import { Trend } from 'k6/metrics';
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// L1: สร้าง UUIDv4 จาก k6/crypto (built-in) แทน remote jslib
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// รูปแบบตาม RFC 4122 section 4.4 — 16 bytes random + set version/variant bits
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function uuidv4() {
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const bytes = new Uint8Array(crypto.randomBytes(16));
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bytes[6] = (bytes[6] & 0x0f) | 0x40; // version 4
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bytes[8] = (bytes[8] & 0x3f) | 0x80; // variant RFC 4122
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const hex = Array.from(bytes, (b) => b.toString(16).padStart(2, '0')).join('');
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return (
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hex.slice(0, 8) +
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'-' +
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hex.slice(8, 12) +
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'-' +
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hex.slice(12, 16) +
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'-' +
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hex.slice(16, 20) +
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'-' +
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hex.slice(20, 32)
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);
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}
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// Custom metric เฉพาะ transition endpoint (ไม่รวม login/upload)
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const transitionDuration = new Trend('transition_duration_ms', true);
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export const options = {
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scenarios: {
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// Smoke test — 1 VU, 10 iterations = sample 10 transitions
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smoke: {
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executor: 'per-vu-iterations',
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vus: 1,
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iterations: 10,
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maxDuration: '2m',
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},
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},
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thresholds: {
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// ADR-021 Clarify Q4: P95 ≤ 5000ms
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transition_duration_ms: ['p(95) < 5000'],
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http_req_failed: ['rate < 0.01'], // < 1% failure rate
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},
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};
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// ==============================================================
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// Setup — authenticate ครั้งเดียว
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// ==============================================================
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export function setup() {
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const baseUrl = __ENV.BASE_URL || 'http://localhost:3001';
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const username = __ENV.USERNAME;
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const password = __ENV.PASSWORD;
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const instanceId = __ENV.INSTANCE_ID;
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const attachmentUuid = __ENV.ATTACHMENT_UUID;
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if (!username || !password || !instanceId || !attachmentUuid) {
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throw new Error('Missing env vars. Required: USERNAME, PASSWORD, INSTANCE_ID, ATTACHMENT_UUID');
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}
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const loginRes = http.post(`${baseUrl}/api/auth/login`, JSON.stringify({ username, password }), {
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headers: { 'Content-Type': 'application/json' },
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});
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check(loginRes, {
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'login successful': (r) => r.status === 200 || r.status === 201,
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});
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const body = loginRes.json();
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const token = body.accessToken || body.data?.accessToken || body.token;
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if (!token) {
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throw new Error(`Cannot extract token. Response: ${loginRes.body}`);
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}
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return { baseUrl, token, instanceId, attachmentUuid };
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}
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// ==============================================================
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// Default scenario — POST transition พร้อมไฟล์แนบ 1 ไฟล์
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// ==============================================================
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export default function (data) {
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const { baseUrl, token, instanceId, attachmentUuid } = data;
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// ป้องกัน idempotency cache hit — สร้าง key ใหม่ทุกครั้ง
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const idempotencyKey = uuidv4();
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const payload = JSON.stringify({
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action: 'APPROVE',
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comment: `k6 perf test iter ${__ITER}`,
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attachmentPublicIds: [attachmentUuid],
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});
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const params = {
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headers: {
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'Content-Type': 'application/json',
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Authorization: `Bearer ${token}`,
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'Idempotency-Key': idempotencyKey,
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},
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tags: { name: 'workflow-transition' },
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};
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const start = Date.now();
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const res = http.post(`${baseUrl}/api/workflow-engine/instances/${instanceId}/transition`, payload, params);
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const duration = Date.now() - start;
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transitionDuration.add(duration);
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check(res, {
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'status is 2xx': (r) => r.status >= 200 && r.status < 300,
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'duration < 5s (P95 SLA)': () => duration < 5000,
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});
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if (res.status >= 400) {
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console.error(`Iteration ${__ITER} failed: ${res.status} — ${res.body}`);
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}
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sleep(1); // เว้นระหว่างแต่ละ iteration ให้ worker breathe
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}
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// ==============================================================
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// Teardown — รายงานผลสรุป (k6 auto-report ให้แล้ว ใช้นี้เมื่อต้องการ custom)
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// ==============================================================
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export function teardown(data) {
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console.log(`Perf test done. Instance: ${data.instanceId}`);
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}
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