refactor(core): Refactor some of the external secrets related code (no-changelog) (#14791)

packages/cli/test/shared/mocking.ts

@@ -1,8 +1,7 @@
 import { Container } from '@n8n/di';
 import { DataSource, EntityManager, type EntityMetadata } from '@n8n/typeorm';
 import { mock } from 'jest-mock-extended';
-import type { Class } from 'n8n-core';
-import type { Logger } from 'n8n-core';
+import type { Cipher, Class, Logger } from 'n8n-core';
 import type { DeepPartial } from 'ts-essentials';
 
 export const mockInstance = <T>(
@@ -25,3 +24,9 @@ export const mockEntityManager = (entityClass: Class) => {
 };
 
 export const mockLogger = () => mock<Logger>({ scoped: jest.fn().mockReturnValue(mock<Logger>()) });
+
+export const mockCipher = () =>
+	mock<Cipher>({
+		encrypt: (data) => (typeof data === 'string' ? data : JSON.stringify(data)),
+		decrypt: (data) => data,
+	});