first commit

packages/cli/test/shared/mocking.ts

@@ -0,0 +1,20 @@
+import { mockInstance } from '@n8n/backend-test-utils';
+import { DataSource, EntityManager, type EntityMetadata } from '@n8n/typeorm';
+import { mock } from 'jest-mock-extended';
+import type { Cipher, Class } from 'n8n-core';
+
+export const mockEntityManager = (entityClass: Class) => {
+	const entityManager = mockInstance(EntityManager);
+	const dataSource = mockInstance(DataSource, {
+		manager: entityManager,
+		getMetadata: () => mock<EntityMetadata>({ target: entityClass }),
+	});
+	Object.assign(entityManager, { connection: dataSource });
+	return entityManager;
+};
+
+export const mockCipher = () =>
+	mock<Cipher>({
+		encrypt: (data) => (typeof data === 'string' ? data : JSON.stringify(data)),
+		decrypt: (data) => data,
+	});