feat: finally a good working state

tests/renderer/a2ui/InlineSurface.test.ts

@@ -0,0 +1,72 @@
+import { describe, expect, it } from 'vitest';
+import { deriveSurfaceTitle, getSurfaceIcon } from '../../../src/renderer/a2ui/InlineSurface';
+import type { A2UIResolvedComponent } from '../../../src/main/a2ui/types';
+
+function makeTree(type: string, properties: Record<string, unknown> = {}): A2UIResolvedComponent[] {
+  return [{
+    id: `${type}-1`,
+    type: type as A2UIResolvedComponent['type'],
+    properties,
+    children: [],
+  }];
+}
+
+describe('deriveSurfaceTitle', () => {
+  it('extracts title from root component properties', () => {
+    expect(deriveSurfaceTitle(makeTree('chart', { title: 'Post Views' }))).toBe('Post Views');
+  });
+
+  it('extracts label from root component properties when no title', () => {
+    expect(deriveSurfaceTitle(makeTree('metric', { label: 'Total Posts' }))).toBe('Total Posts');
+  });
+
+  it('falls back to capitalized component type when no title or label', () => {
+    expect(deriveSurfaceTitle(makeTree('chart'))).toBe('Chart');
+  });
+
+  it('returns "Surface" for an empty tree', () => {
+    expect(deriveSurfaceTitle([])).toBe('Surface');
+  });
+
+  it('capitalizes multi-word types correctly', () => {
+    expect(deriveSurfaceTitle(makeTree('textField'))).toBe('TextField');
+  });
+});
+
+describe('getSurfaceIcon', () => {
+  it('returns chart icon for chart type', () => {
+    expect(getSurfaceIcon(makeTree('chart'))).toBe('\u{1F4CA}');
+  });
+
+  it('returns table icon for table type', () => {
+    expect(getSurfaceIcon(makeTree('table'))).toBe('\u{1F4CB}');
+  });
+
+  it('returns form icon for form type', () => {
+    expect(getSurfaceIcon(makeTree('form'))).toBe('\u{1F4DD}');
+  });
+
+  it('returns card icon for card type', () => {
+    expect(getSurfaceIcon(makeTree('card'))).toBe('\u{1F4C4}');
+  });
+
+  it('returns metric icon for metric type', () => {
+    expect(getSurfaceIcon(makeTree('metric'))).toBe('\u{1F4CF}');
+  });
+
+  it('returns list icon for list type', () => {
+    expect(getSurfaceIcon(makeTree('list'))).toBe('\u{1F4CB}');
+  });
+
+  it('returns tabs icon for tabs type', () => {
+    expect(getSurfaceIcon(makeTree('tabs'))).toBe('\u{1F4C2}');
+  });
+
+  it('returns default icon for unknown types', () => {
+    expect(getSurfaceIcon(makeTree('text'))).toBe('\u25A0');
+  });
+
+  it('returns default icon for empty tree', () => {
+    expect(getSurfaceIcon([])).toBe('\u25A0');
+  });
+});