First batch of fixing tests to use best practices. (#11964)

packages/cli/src/ui/hooks/useModelCommand.test.tsx

@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, expect } from 'vitest';
+import { act } from 'react';
+import { render } from 'ink-testing-library';
+import { useModelCommand } from './useModelCommand.js';
+
+describe('useModelCommand', () => {
+  let result: ReturnType<typeof useModelCommand>;
+
+  function TestComponent() {
+    result = useModelCommand();
+    return null;
+  }
+
+  it('should initialize with the model dialog closed', () => {
+    render(<TestComponent />);
+    expect(result.isModelDialogOpen).toBe(false);
+  });
+
+  it('should open the model dialog when openModelDialog is called', () => {
+    render(<TestComponent />);
+
+    act(() => {
+      result.openModelDialog();
+    });
+
+    expect(result.isModelDialogOpen).toBe(true);
+  });
+
+  it('should close the model dialog when closeModelDialog is called', () => {
+    render(<TestComponent />);
+
+    // Open it first
+    act(() => {
+      result.openModelDialog();
+    });
+    expect(result.isModelDialogOpen).toBe(true);
+
+    // Then close it
+    act(() => {
+      result.closeModelDialog();
+    });
+    expect(result.isModelDialogOpen).toBe(false);
+  });
+});