feat(wp-list): 列出一顆需求議題底下的工作包

歸屬判準沿用工作包抽取那一套（關聯段落的「需求議題：#N」），不另發明一套； PR 的描述也有那一行，所以先擋掉 PR。清單逐頁讀完，讀不完寧可報錯—— 使用者會從缺了幾顆的清單裡挑，而且看不出缺的是哪幾顆。 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-17 18:16:23 +08:00
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+/**
+ * 需求議題底下的工作包清單。
+ *
+ * 這一支存在的理由只有一個：使用者手上有一顆需求議題編號，要挑出底下的某一顆工作包。
+ * 所以測試集中在「挑得對不對」：認的是不是工作包抽取那一套關聯判準、PR 會不會混進來、
+ * 清單讀不讀得完。半份清單最危險——使用者會從缺了幾顆的清單裡挑，而且看不出缺了誰。
+ */
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { runScript } from './helpers/run-script.js';
+import { healthyRoutes, stubEnv as envFor, withStubGitea } from './helpers/stub-gitea.js';
+
+const REPO = 'plugins/tea-sdlc';
+const REQUIREMENT = 7;
+
+/** 一顆工作包的 body：判準只在「關聯」段落那一行 */
+function wpBody(requirement) {
+  return `## 這個工作包在做什麼
+
+一句話。
+
+## 待辦
+
+- [ ] 做一件事
+
+## 關聯
+
+需求議題：#${requirement}
+估算人天：2
+`;
+}
+
+function issue(index, { title = `工作包 ${index}`, body = wpBody(REQUIREMENT), ...rest } = {}) {
+  return {
+    number: index,
+    title,
+    body,
+    state: 'open',
+    html_url: `https://gitea.example/${REPO}/issues/${index}`,
+    assignee: null,
+    ...rest,
+  };
+}
+
+/** 假 Gitea：議題清單逐頁回，其餘走 healthy 預設 */
+function routes(issues, overrides = {}) {
+  return healthyRoutes(REPO, {
+    [`GET /api/v1/repos/${REPO}/issues`]: (req) => {
+      const page = Number(req.query.page ?? 1);
+      const limit = Number(req.query.limit ?? 50);
+      return { status: 200, body: issues.slice((page - 1) * limit, page * limit) };
+    },
+    ...overrides,
+  });
+}
+
+async function run(t, issues, args = []) {
+  const stub = await withStubGitea(t, routes(issues));
+  const result = await runScript(
+    'wp-list.js',
+    ['--repo', REPO, '--requirement', String(REQUIREMENT), ...args],
+    { env: envFor(stub) },
+  );
+  return { stub, ...result };
+}
+
+// ── 挑出哪幾顆 ─────────────────────────────────────────────────────
+
+test('只收關聯指回這顆需求議題的工作包', async (t) => {
+  const { code, json } = await run(t, [
+    issue(9),
+    issue(10, { body: wpBody(99) }),
+    issue(11),
+  ]);
+
+  assert.equal(code, 0);
+  assert.deepEqual(
+    json.data.工作包.map((wp) => wp.index),
+    [9, 11],
+  );
+  assert.equal(json.data.數量, 2);
+  assert.equal(json.data.需求議題, REQUIREMENT);
+});
+
+test('沒有關聯段落的議題不算工作包', async (t) => {
+  const { json } = await run(t, [issue(9), issue(12, { body: '## 總覽\n\n這是一顆需求議題。\n' })]);
+
+  assert.deepEqual(json.data.工作包.map((wp) => wp.index), [9]);
+});
+
+test('PR 不進清單，即使它的描述也寫了需求議題', async (t) => {
+  // pr-create 產出的 PR 描述本來就有「需求議題：#N」那一行，光看 body 會把 PR 當成工作包
+  const { json } = await run(t, [
+    issue(9),
+    issue(30, { title: 'feat: 某某', pull_request: { merged: false } }),
+  ]);
+
+  assert.deepEqual(json.data.工作包.map((wp) => wp.index), [9]);
+});
+
+test('已關閉的工作包照樣列出，並帶上狀態與領取人', async (t) => {
+  const { json } = await run(t, [
+    issue(9, { state: 'closed', assignee: { login: 'jeffery' } }),
+  ]);
+
+  assert.deepEqual(json.data.工作包, [
+    {
+      index: 9,
+      title: '工作包 9',
+      url: `https://gitea.example/${REPO}/issues/9`,
+      state: 'closed',
+      assignee: 'jeffery',
+    },
+  ]);
+});
+
+test('依編號由小到大排，清單的順序不隨 Gitea 回傳順序飄動', async (t) => {
+  const { json } = await run(t, [issue(14), issue(9), issue(11)]);
+
+  assert.deepEqual(json.data.工作包.map((wp) => wp.index), [9, 11, 14]);
+});
+
+test('一顆都沒有時回空清單而不是報錯', async (t) => {
+  const { code, json } = await run(t, [issue(10, { body: wpBody(99) })]);
+
+  assert.equal(code, 0);
+  assert.deepEqual(json.data.工作包, []);
+  assert.equal(json.data.數量, 0);
+});
+
+test('逐頁讀完，不只讀第一頁', async (t) => {
+  const many = Array.from({ length: 60 }, (_, i) => issue(i + 1));
+
+  const { json, stub } = await run(t, many);
+
+  assert.equal(json.data.數量, 60);
+  const listings = stub.requests.filter((r) => r.path === `/api/v1/repos/${REPO}/issues`);
+  assert.ok(listings.length >= 2, `要翻到第二頁，實際只發了 ${listings.length} 次`);
+});
+
+test('讀的是全部狀態的議題，不只 open', async (t) => {
+  const { stub } = await run(t, [issue(9)]);
+
+  const listing = stub.requests.find((r) => r.path === `/api/v1/repos/${REPO}/issues`);
+  assert.equal(listing.query.state, 'all');
+});
+
+// ── 契約 ───────────────────────────────────────────────────────────
+
+test('--dry-run 列出將發出的請求，且完全不碰 Gitea', async (t) => {
+  const stub = await withStubGitea(t, routes([issue(9)]));
+
+  const { code, json } = await runScript(
+    'wp-list.js',
+    ['--repo', REPO, '--requirement', String(REQUIREMENT), '--dry-run'],
+    { env: envFor(stub) },
+  );
+
+  assert.equal(code, 0);
+  assert.equal(json.data.dryRun, true);
+  assert.deepEqual(json.data.requests, [
+    { method: 'GET', path: `/repos/${REPO}/issues` },
+  ]);
+  assert.equal(stub.requests.length, 0);
+});
+
+test('缺 --requirement 時指名缺的是哪一個', async (t) => {
+  const stub = await withStubGitea(t, routes([]));
+
+  const { json } = await runScript('wp-list.js', ['--repo', REPO], { env: envFor(stub) });
+
+  assert.equal(json.error.code, 'MISSING_FLAG');
+  assert.match(json.error.message, /--requirement/);
+});
+
+test('--requirement 不是正整數時擋下', async (t) => {
+  const stub = await withStubGitea(t, routes([]));
+
+  const { json } = await runScript('wp-list.js', ['--repo', REPO, '--requirement', 'abc'], {
+    env: envFor(stub),
+  });
+
+  assert.equal(json.error.code, 'BAD_INDEX');
+});
+
+test('議題多到翻不完時報錯，不回半份清單', async (t) => {
+  // 每一頁都回滿頁，永遠不會結束：翻到上限就要大聲說讀不完
+  const stub = await withStubGitea(
+    t,
+    healthyRoutes(REPO, {
+      [`GET /api/v1/repos/${REPO}/issues`]: (req) => ({
+        status: 200,
+        body: Array.from({ length: Number(req.query.limit ?? 50) }, (_, i) => issue(i + 1)),
+      }),
+    }),
+  );
+
+  const { code, json } = await runScript(
+    'wp-list.js',
+    ['--repo', REPO, '--requirement', String(REQUIREMENT)],
+    { env: envFor(stub) },
+  );
+
+  assert.equal(code, 1);
+  assert.equal(json.error.code, 'WORK_PACKAGE_LIMIT');
+});