Auth First Run (#1207)

Co-authored-by: Tommaso Sciortino <sciortino@gmail.com>
Co-authored-by: N. Taylor Mullen <ntaylormullen@google.com>

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

@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { render } from 'ink-testing-library';
+import { AuthDialog } from './AuthDialog.js';
+import { LoadedSettings } from '../../config/settings.js';
+import { AuthType } from '@gemini-cli/core';
+
+describe('AuthDialog', () => {
+  it('should show an error if the initial auth type is invalid', () => {
+    const settings: LoadedSettings = new LoadedSettings(
+      {
+        settings: {
+          selectedAuthType: AuthType.USE_GEMINI,
+        },
+        path: '',
+      },
+      {
+        settings: {},
+        path: '',
+      },
+      [],
+    );
+
+    const { lastFrame } = render(
+      <AuthDialog
+        onSelect={() => {}}
+        onHighlight={() => {}}
+        settings={settings}
+        initialErrorMessage="GEMINI_API_KEY  environment variable not found"
+      />,
+    );
+
+    expect(lastFrame()).toContain(
+      'GEMINI_API_KEY  environment variable not found',
+    );
+  });
+});