test/schedule.test.js

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+/**
+ * 截止日推算：依相依關係拓撲排序，任一工作包的截止日不得早於它的先決工作包。
+ * 這支腳本不碰 Gitea，純算數字，所以測試只餵檔案、只看 stdout。
+ */
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtempSync, mkdirSync, writeFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { runScript, tmpRoot } from './helpers/run-script.js';
+
+/** 把一份排程計畫寫成暫存檔，回傳路徑 */
+function writePlan(plan) {
+  mkdirSync(tmpRoot, { recursive: true });
+  const dir = mkdtempSync(join(tmpRoot, 'plan-'));
+  const path = join(dir, 'plan.json');
+  writeFileSync(path, JSON.stringify(plan));
+  return path;
+}
+
+const run = (plan, args = []) =>
+  runScript('schedule.js', ['--plan-file', writePlan(plan), ...args]);
+
+/** 依 index 取出算出來的截止日 */
+const dueOf = (json) =>
+  Object.fromEntries(json.data.schedule.map((wp) => [wp.index, wp.dueDate]));
+
+test('沒有相依時，每顆各自從起始日加上自己的人天', async () => {
+  const { code, json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [
+      { index: 1, title: '甲', days: 2 },
+      { index: 2, title: '乙', days: 5 },
+    ],
+  });
+
+  assert.equal(code, 0);
+  assert.deepEqual(dueOf(json), { 1: '2026-09-23', 2: '2026-09-26' });
+});
+
+test('有先決時，截止日從先決的截止日往後算', async () => {
+  const { json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [
+      { index: 1, title: '甲', days: 2 },
+      { index: 2, title: '乙', days: 3, depends: [1] },
+    ],
+  });
+
+  assert.deepEqual(dueOf(json), { 1: '2026-09-23', 2: '2026-09-26' });
+});
+
+test('多個先決時取最晚的那一個當起點', async () => {
+  const { json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [
+      { index: 1, title: '甲', days: 2 },
+      { index: 2, title: '乙', days: 9 },
+      { index: 3, title: '丙', days: 1, depends: [1, 2] },
+    ],
+  });
+
+  assert.equal(dueOf(json)[3], '2026-10-01', '要等最晚的乙做完才開始');
+});
+
+test('任一工作包的截止日都不早於它的先決', async () => {
+  const { json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [
+      { index: 1, title: '甲', days: 3 },
+      { index: 2, title: '乙', days: 1, depends: [1] },
+      { index: 3, title: '丙', days: 1, depends: [2] },
+      { index: 4, title: '丁', days: 4, depends: [1] },
+      { index: 5, title: '戊', days: 2, depends: [3, 4] },
+    ],
+  });
+
+  const due = dueOf(json);
+  const depends = { 2: [1], 3: [2], 4: [1], 5: [3, 4] };
+  for (const [index, prerequisites] of Object.entries(depends)) {
+    for (const p of prerequisites) {
+      assert.ok(due[index] > due[p], `#${index} 的截止日不該早於先決 #${p}`);
+    }
+  }
+});
+
+test('輸出的順序即拓撲順序，先決一定排在後續之前', async () => {
+  const { json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [
+      { index: 3, title: '丙', days: 1, depends: [2] },
+      { index: 1, title: '甲', days: 1 },
+      { index: 2, title: '乙', days: 1, depends: [1] },
+    ],
+  });
+
+  assert.deepEqual(json.data.order, [1, 2, 3]);
+});
+
+test('相依成環時中止，並指出環上的成員', async () => {
+  const { code, json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [
+      { index: 1, title: '甲', days: 1, depends: [2] },
+      { index: 2, title: '乙', days: 1, depends: [1] },
+    ],
+  });
+
+  assert.equal(code, 1);
+  assert.equal(json.error.code, 'CYCLE_DETECTED');
+  assert.match(json.error.message, /1/);
+  assert.match(json.error.message, /2/);
+});
+
+test('先決指向不存在的工作包時中止', async () => {
+  const { code, json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [{ index: 1, title: '甲', days: 1, depends: [99] }],
+  });
+
+  assert.equal(code, 1);
+  assert.equal(json.error.code, 'UNKNOWN_DEPENDENCY');
+  assert.match(json.error.message, /99/);
+});
+
+test('人天必須是正數', async () => {
+  const { json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [{ index: 1, title: '甲', days: 0 }],
+  });
+
+  assert.equal(json.error.code, 'BAD_PLAN');
+  assert.match(json.error.message, /days/);
+});
+
+test('起始日格式不對時中止', async () => {
+  const { json } = await run({
+    startDate: '2026/09/21',
+    workPackages: [{ index: 1, title: '甲', days: 1 }],
+  });
+
+  assert.equal(json.error.code, 'BAD_PLAN');
+  assert.match(json.error.message, /startDate/);
+});
+
+test('計畫檔不存在時帶著路徑失敗', async () => {
+  const { code, json } = await runScript('schedule.js', ['--plan-file', '/nonexistent/plan.json']);
+
+  assert.equal(code, 1);
+  assert.equal(json.error.code, 'PLAN_FILE_MISSING');
+  assert.match(json.error.message, /\/nonexistent\/plan\.json/);
+});
+
+test('計畫檔不是合法 JSON 時中止', async () => {
+  mkdirSync(tmpRoot, { recursive: true });
+  const dir = mkdtempSync(join(tmpRoot, 'plan-'));
+  const path = join(dir, 'plan.json');
+  writeFileSync(path, '{ 這不是 JSON');
+
+  const { json } = await runScript('schedule.js', ['--plan-file', path]);
+
+  assert.equal(json.error.code, 'BAD_PLAN');
+});
+
+test('輸出保留標題與人天，呼叫端不必回頭對照計畫檔', async () => {
+  const { json } = await run({
+    startDate: '2026-09-21',
+    workPackages: [{ index: 7, title: '建立抽取契約', days: 3 }],
+  });
+
+  assert.deepEqual(json.data.schedule[0], {
+    index: 7,
+    title: '建立抽取契約',
+    days: 3,
+    dueDate: '2026-09-24',
+  });
+});
+
+test('這支腳本完全不碰 Gitea：沒有登入資訊也能算', async () => {
+  const { code } = await runScript(
+    'schedule.js',
+    ['--plan-file', writePlan({ startDate: '2026-09-21', workPackages: [{ index: 1, title: '甲', days: 1 }] })],
+    { env: { TEA_SDLC_CONFIG: '/nonexistent/tea.yml' } },
+  );
+
+  assert.equal(code, 0);
+});