优化勋章分段进度展示

tests/badge-state.test.js

@@ -1,9 +1,23 @@
 const test = require('node:test')
 const assert = require('node:assert/strict')
 
-const { getBadgeProgress, getBadgeCelebration } = require('../utils/badge-state')
+const {
+  getBadgeProgress,
+  getBadgePositions,
+  getBadgeSegments,
+  getBadgeDisplayLabel,
+  getBadgeCelebration
+} = require('../utils/badge-state')
 
-const badges = [{ days: 3 }, { days: 7 }, { days: 14 }]
+const badges = [
+  { days: 3, name: '抖登' },
+  { days: 7, name: '中登' },
+  { days: 14, name: '老登' },
+  { days: 30, name: '神登' },
+  { days: 60, name: '上古神登' },
+  { days: 80, name: '洪荒神登' },
+  { days: 100, name: '究极登祖' }
+]
 
 test('badge progress remains zero before the first milestone', () => {
   assert.equal(getBadgeProgress(badges, 1), 0)
@@ -11,6 +25,30 @@ test('badge progress remains zero before the first milestone', () => {
   assert.equal(getBadgeProgress(badges, 3), 4)
 })
 
+test('milestones use equal spacing and overall fill stays aligned', () => {
+  assert.deepEqual(getBadgePositions(badges), [4, 19.3, 34.7, 50, 65.3, 80.7, 96])
+  assert.equal(getBadgeProgress(badges, 7), 19.3)
+  assert.equal(getBadgeProgress(badges, 60), 65.3)
+  assert.equal(getBadgeProgress(badges, 100), 100)
+})
+
+test('only the active badge connection is partially green', () => {
+  assert.deepEqual(getBadgeSegments(badges, 16), [
+    { left: 4, width: 15.3, progress: 100 },
+    { left: 19.3, width: 15.4, progress: 100 },
+    { left: 34.7, width: 15.3, progress: 12.5 },
+    { left: 50, width: 15.3, progress: 0 },
+    { left: 65.3, width: 15.4, progress: 0 },
+    { left: 80.7, width: 15.3, progress: 0 }
+  ])
+})
+
+test('equal spacing keeps full unlocked badge names readable', () => {
+  assert.equal(getBadgeDisplayLabel(badges[3], true), '神登')
+  assert.equal(getBadgeDisplayLabel(badges[4], true), '上古神登')
+  assert.equal(getBadgeDisplayLabel(badges[6], false), '100天')
+})
+
 test('badge celebration keeps prior milestones seen after records are deleted', () => {
   const afterDeletion = getBadgeCelebration([3], [])
   assert.deepEqual(afterDeletion, { newly: [], seen: [3] })