add useEntityContextMenu test

Signed-off-by: Mark Dunphy <markd@spotify.com>

plugins/catalog-react/src/hooks/useEntityContextMenu.test.tsx

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import React from 'react';
+import { useEntityContextMenu } from './useEntityContextMenu';
+import { renderHook } from '@testing-library/react';
+import {
+  createVersionedContext,
+  createVersionedValueMap,
+} from '@backstage/version-bridge';
+
+const Context = createVersionedContext<{
+  1: { onMenuClose: () => void };
+}>('entity-context-menu-context');
+
+const Provider = ({
+  children,
+  onMenuClose,
+}: {
+  children: React.ReactNode;
+  onMenuClose: () => void;
+}) => (
+  <Context.Provider value={createVersionedValueMap({ 1: { onMenuClose } })}>
+    {children}
+  </Context.Provider>
+);
+
+describe('useEntityContextMenu', () => {
+  it('should throw error when used outside of provider', () => {
+    expect(() => {
+      renderHook(() => useEntityContextMenu());
+    }).toThrow(
+      'useEntityContextMenu must be used within an EntityContextMenuProvider',
+    );
+  });
+
+  it('should return the context value', () => {
+    const mockOnMenuClose = jest.fn();
+    const { result } = renderHook(() => useEntityContextMenu(), {
+      wrapper: ({ children }) => (
+        <Provider onMenuClose={mockOnMenuClose}>{children}</Provider>
+      ),
+    });
+
+    expect(result.current.onMenuClose).toBe(mockOnMenuClose);
+  });
+});