update /theme to new slash command arch (#3791)

Co-authored-by: matt korwel <[email protected]>
Co-authored-by: Abhi <[email protected]>

1 files changed, 38 insertions, 0 deletions

diff --git a/packages/cli/src/ui/commands/themeCommand.test.ts b/packages/cli/src/ui/commands/themeCommand.test.ts
new file mode 100644
index 00000000..2a537bcc
--- /dev/null
+++ b/packages/cli/src/ui/commands/themeCommand.test.ts
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, expect, beforeEach } from 'vitest';
+import { themeCommand } from './themeCommand.js';
+import { type CommandContext } from './types.js';
+import { createMockCommandContext } from '../../test-utils/mockCommandContext.js';
+
+describe('themeCommand', () => {
+  let mockContext: CommandContext;
+
+  beforeEach(() => {
+    mockContext = createMockCommandContext();
+  });
+
+  it('should return a dialog action to open the theme dialog', () => {
+    // Ensure the command has an action to test.
+    if (!themeCommand.action) {
+      throw new Error('The theme command must have an action.');
+    }
+
+    const result = themeCommand.action(mockContext, '');
+
+    // Assert that the action returns the correct object to trigger the theme dialog.
+    expect(result).toEqual({
+      type: 'dialog',
+      dialog: 'theme',
+    });
+  });
+
+  it('should have the correct name and description', () => {
+    expect(themeCommand.name).toBe('theme');
+    expect(themeCommand.description).toBe('change the theme');
+  });
+});