Sync upstream Gemini-CLI v0.8.2 (#838)

packages/cli/src/ui/components/QueuedMessageDisplay.test.tsx

@@ -0,0 +1,76 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, expect } from 'vitest';
+import { render } from 'ink-testing-library';
+import { QueuedMessageDisplay } from './QueuedMessageDisplay.js';
+
+describe('QueuedMessageDisplay', () => {
+  it('renders nothing when message queue is empty', () => {
+    const { lastFrame } = render(<QueuedMessageDisplay messageQueue={[]} />);
+
+    expect(lastFrame()).toBe('');
+  });
+
+  it('displays single queued message', () => {
+    const { lastFrame } = render(
+      <QueuedMessageDisplay messageQueue={['First message']} />,
+    );
+
+    const output = lastFrame();
+    expect(output).toContain('First message');
+  });
+
+  it('displays multiple queued messages', () => {
+    const messageQueue = [
+      'First queued message',
+      'Second queued message',
+      'Third queued message',
+    ];
+
+    const { lastFrame } = render(
+      <QueuedMessageDisplay messageQueue={messageQueue} />,
+    );
+
+    const output = lastFrame();
+    expect(output).toContain('First queued message');
+    expect(output).toContain('Second queued message');
+    expect(output).toContain('Third queued message');
+  });
+
+  it('shows overflow indicator when more than 3 messages are queued', () => {
+    const messageQueue = [
+      'Message 1',
+      'Message 2',
+      'Message 3',
+      'Message 4',
+      'Message 5',
+    ];
+
+    const { lastFrame } = render(
+      <QueuedMessageDisplay messageQueue={messageQueue} />,
+    );
+
+    const output = lastFrame();
+    expect(output).toContain('Message 1');
+    expect(output).toContain('Message 2');
+    expect(output).toContain('Message 3');
+    expect(output).toContain('... (+2 more)');
+    expect(output).not.toContain('Message 4');
+    expect(output).not.toContain('Message 5');
+  });
+
+  it('normalizes whitespace in messages', () => {
+    const messageQueue = ['Message   with\tmultiple\n  whitespace'];
+
+    const { lastFrame } = render(
+      <QueuedMessageDisplay messageQueue={messageQueue} />,
+    );
+
+    const output = lastFrame();
+    expect(output).toContain('Message with multiple whitespace');
+  });
+});