From 86d8666cda5bd6d447c2362c71e6bd57950ff3e3 Mon Sep 17 00:00:00 2001
From: Jeffery <jiantw83@yahoo.com>
Date: Fri, 15 May 2026 15:51:56 +0000
Subject: [PATCH] test: cover log helpers

---
 app/log.test.js | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 app/log.test.js

diff --git a/app/log.test.js b/app/log.test.js
new file mode 100644
index 0000000..c810d77
--- /dev/null
+++ b/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']);
+  });
+});