test: enforce coverage thresholds

tests/output.test.ts

@@ -1,7 +1,18 @@
 import { describe, expect, it } from 'vitest';
-import { labelPrefix, resolveOutputConfigFromArgv, statusPrefix } from '../src/lib/output.js';
+import {
+  formatStatsLine,
+  labelPrefix,
+  resolveOutputConfigFromArgv,
+  resolveOutputConfigFromCommander,
+  statusPrefix,
+} from '../src/lib/output.js';
 
 describe('output', () => {
+  it('defaults to emoji + color on TTY', () => {
+    const cfg = resolveOutputConfigFromArgv([], {}, true);
+    expect(cfg).toEqual({ plain: false, emoji: true, color: true });
+  });
+
   it('plain disables emoji + color', () => {
     const cfg = resolveOutputConfigFromArgv(['--plain'], {}, true);
     expect(cfg).toEqual({ plain: true, emoji: false, color: false });
@@ -14,9 +25,41 @@ describe('output', () => {
     expect(cfg.color).toBe(false);
   });
 
+  it('TERM=dumb disables colors by default', () => {
+    const cfg = resolveOutputConfigFromArgv([], { TERM: 'dumb' }, true);
+    expect(cfg.color).toBe(false);
+  });
+
+  it('--no-color disables colors', () => {
+    const cfg = resolveOutputConfigFromArgv(['--no-color'], {}, true);
+    expect(cfg).toEqual({ plain: false, emoji: true, color: false });
+  });
+
   it('--no-emoji switches to text prefixes', () => {
     const cfg = resolveOutputConfigFromArgv(['--no-emoji'], {}, true);
     expect(cfg.emoji).toBe(false);
     expect(statusPrefix('warn', cfg)).toBe('Warning: ');
   });
+
+  it('commander opts override defaults', () => {
+    const cfg = resolveOutputConfigFromCommander({ emoji: false, color: false }, {}, true);
+    expect(cfg).toEqual({ plain: false, emoji: false, color: false });
+    expect(statusPrefix('info', cfg)).toBe('Info: ');
+    expect(labelPrefix('date', cfg)).toBe('Date: ');
+  });
+
+  it('commander plain wins over emoji/color', () => {
+    const cfg = resolveOutputConfigFromCommander({ plain: true, emoji: true, color: true }, {}, true);
+    expect(cfg).toEqual({ plain: true, emoji: false, color: false });
+  });
+
+  it('formats stats line for all modes', () => {
+    const stats = { likeCount: null, retweetCount: undefined, replyCount: 2 };
+
+    expect(formatStatsLine(stats, { plain: true, emoji: false, color: false })).toBe(
+      'likes: 0  retweets: 0  replies: 2',
+    );
+    expect(formatStatsLine(stats, { plain: false, emoji: false, color: false })).toBe('Likes 0  Retweets 0  Replies 2');
+    expect(formatStatsLine(stats, { plain: false, emoji: true, color: false })).toBe('❤️ 0  🔁 0  💬 2');
+  });
 });