Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

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

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+import { describe, expect, it } from 'vitest'
+
+import { highlightsStable, splitComposerHighlights } from '../domain/composerHighlights.js'
+
+const painted = (text: string) =>
+  splitComposerHighlights(text)
+    .filter(segment => segment.ref)
+    .map(segment => segment.text)
+
+describe('splitComposerHighlights', () => {
+  it('marks a command invocation and a skill named mid-prose', () => {
+    expect(painted('/work fix the leak')).toEqual(['/work'])
+    expect(painted('clean this up with /clean')).toEqual(['/clean'])
+    expect(painted('run /clean then /work')).toEqual(['/clean', '/work'])
+  })
+
+  it('marks @ references, including quoted values with spaces', () => {
+    expect(painted('see @file:src/a.ts please')).toEqual(['@file:src/a.ts'])
+    expect(painted('see @file:`my notes.md` please')).toEqual(['@file:`my notes.md`'])
+    expect(painted('diff @diff and @staged')).toEqual(['@diff', '@staged'])
+  })
+
+  it('marks attachment and paste tokens', () => {
+    expect(painted('what is in [[ Image 1 ]] here')).toEqual(['[[ Image 1 ]]'])
+    expect(painted('paste [[ log.. [3 lines] ]] ok')).toEqual(['[[ log.. [3 lines] ]]'])
+  })
+
+  it('marks every kind in one message', () => {
+    expect(painted('/work with @file:a.ts and [[ Image 2 ]]')).toEqual(['/work', '@file:a.ts', '[[ Image 2 ]]'])
+  })
+
+  it('leaves paths, bare slashes, and email addresses alone', () => {
+    for (const text of [
+      'look at /usr/local/bin',
+      'check src/foo/bar',
+      'a 3 /4 b',
+      'either / or',
+      'email me@example.com'
+    ]) {
+      expect(splitComposerHighlights(text)).toEqual([{ ref: false, text }])
+    }
+  })
+
+  it('marks a half-typed token so the accent tracks the caret', () => {
+    // The composer paints while you type — waiting for the token to close
+    // would flash the accent on only after the last character. A bare `/`
+    // counts at the caret: that's the command menu opening.
+    expect(painted('/wor')).toEqual(['/wor'])
+    expect(painted('ref @fi')).toEqual(['@fi'])
+    expect(painted('/')).toEqual(['/'])
+  })
+
+  it('round-trips the input exactly', () => {
+    for (const text of ['/work a', 'x @file:b [[ Image 1 ]]', 'plain text', '', 'look at /usr/local/bin']) {
+      expect(
+        splitComposerHighlights(text)
+          .map(segment => segment.text)
+          .join('')
+      ).toBe(text)
+    }
+  })
+
+  it('always returns at least one segment', () => {
+    expect(splitComposerHighlights('')).toEqual([{ ref: false, text: '' }])
+  })
+})
+
+describe('highlightsStable', () => {
+  // Fast-echo writes ONLY the new cells, so it may run only when every
+  // character already on screen keeps the colour it had.
+  it('allows the bypass while a token just grows', () => {
+    expect(highlightsStable('/wor', '/work')).toBe(true)
+    expect(highlightsStable('hello', 'hello ')).toBe(true)
+  })
+
+  it('blocks the bypass when a keystroke re-colours existing cells', () => {
+    expect(highlightsStable('[[ a ]', '[[ a ]]')).toBe(false)
+    expect(highlightsStable('/usr', '/usr/')).toBe(false)
+  })
+})