Merge pull request 'chore: refine pipeline stage logs' (#119) from feat/美化輸出 into develop

Reviewed-on: #119

.gitea/ai-review/findings.json

@@ -4,6 +4,13 @@
     "role": "Maya",
     "location": "app/log.js",
     "suggestion": "log.js 檔案中的 ok, warn, error 函數是應用程式的日誌工具。雖然功能簡單，但為這些工具函數編寫單元測試是一個良好的實踐，以確保它們正確地呼叫 console 對應的方法（如 console.log, console.warn, console.error）並輸出預期的格式。這有助於防止未來意外的行為變更。",
+    "is_new": false
+  },
+  {
+    "level": "info",
+    "role": "Maya",
+    "location": "app/log.test.js",
+    "suggestion": "`log.test.js` 的新增非常棒，提供了良好的覆蓋率。為了進一步提升測試的完整性，建議考慮為 `line`, `ok`, `warn`, `error` 函數新增測試案例，以驗證當傳入空字串時的行為。雖然這些函數的行為相對簡單，但測試空字串可以確保邊界情況下的輸出符合預期。",
     "is_new": true
   }
 ]

app/log.test.js

@@ -0,0 +1,59 @@
+import { describe, it, afterEach, mock } from 'node:test';
+import assert from 'node:assert/strict';
+import { section, step, line, ok, warn, error } from './log.js';
+
+afterEach(() => mock.restoreAll());
+
+describe('log helpers', () => {
+  it('formats section and step messages', () => {
+    const calls = [];
+    mock.method(console, 'log', (...args) => {
+      calls.push(args.join(' '));
+    });
+
+    section('Pipeline');
+    step('Step1', 'Start');
+
+    assert.deepEqual(calls, [
+      '\n=== Pipeline ===',
+      '\n[Step1] Start',
+    ]);
+  });
+
+  it('formats line and ok messages with console.log', () => {
+    const calls = [];
+    mock.method(console, 'log', (...args) => {
+      calls.push(args.join(' '));
+    });
+
+    line('hello');
+    ok('done');
+
+    assert.deepEqual(calls, [
+      '  - hello',
+      '  ✓ done',
+    ]);
+  });
+
+  it('formats warn messages with console.warn', () => {
+    const calls = [];
+    mock.method(console, 'warn', (...args) => {
+      calls.push(args.join(' '));
+    });
+
+    warn('careful');
+
+    assert.deepEqual(calls, ['  ! careful']);
+  });
+
+  it('formats error messages with console.error', () => {
+    const calls = [];
+    mock.method(console, 'error', (...args) => {
+      calls.push(args.join(' '));
+    });
+
+    error('boom');
+
+    assert.deepEqual(calls, ['  x boom']);
+  });
+});