feat: add tests and update mds

ui-tui/src/__tests__/constants.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it } from 'vitest'
+
+import { FACES, HOTKEYS, INTERPOLATION_RE, PLACEHOLDERS, ROLE, TOOL_VERBS, VERBS, ZERO } from '../constants.js'
+import { DEFAULT_THEME } from '../theme.js'
+
+
+describe('constants', () => {
+
+  it('ZERO', () => expect(ZERO).toEqual({ calls: 0, input: 0, output: 0, total: 0 }))
+
+  it('string arrays are populated', () => {
+    for (const arr of [FACES, PLACEHOLDERS, VERBS]) {
+      expect(arr.length).toBeGreaterThan(0)
+      arr.forEach(s => expect(typeof s).toBe('string'))
+    }
+  })
+
+  it('HOTKEYS are [key, desc] pairs', () => {
+    HOTKEYS.forEach(([k, d]) => {
+      expect(typeof k).toBe('string')
+      expect(typeof d).toBe('string')
+    })
+  })
+
+  it('TOOL_VERBS maps known tools', () => {
+    expect(TOOL_VERBS.terminal).toContain('terminal')
+    expect(TOOL_VERBS.read_file).toContain('reading')
+  })
+
+  it('INTERPOLATION_RE matches {!cmd}', () => {
+    INTERPOLATION_RE.lastIndex = 0
+    expect(INTERPOLATION_RE.test('{!date}')).toBe(true)
+
+    INTERPOLATION_RE.lastIndex = 0
+    expect(INTERPOLATION_RE.test('plain')).toBe(false)
+  })
+
+  it('ROLE produces glyph/body/prefix per role', () => {
+    for (const role of ['assistant', 'system', 'tool', 'user'] as const) {
+      expect(ROLE[role](DEFAULT_THEME)).toHaveProperty('glyph')
+    }
+  })
+})