feat(Postgres Node): Overhaul node

packages/nodes-base/nodes/Postgres/test/v2/runQueries.test.ts

@@ -0,0 +1,53 @@
+import { constructExecutionMetaData } from 'n8n-core';
+import type { IDataObject, INode } from 'n8n-workflow';
+
+import type { PgpDatabase } from '../../v2/helpers/interfaces';
+import { configureQueryRunner } from '../../v2/helpers/utils';
+
+import pgPromise from 'pg-promise';
+
+const node: INode = {
+	id: '1',
+	name: 'Postgres node',
+	typeVersion: 2,
+	type: 'n8n-nodes-base.postgres',
+	position: [60, 760],
+	parameters: {
+		operation: 'executeQuery',
+	},
+};
+
+const createMockDb = (returnData: IDataObject | IDataObject[]) => {
+	return {
+		async any() {
+			return returnData;
+		},
+		async multi() {
+			return returnData;
+		},
+		async tx() {
+			return returnData;
+		},
+		async task() {
+			return returnData;
+		},
+	} as unknown as PgpDatabase;
+};
+
+describe('Test PostgresV2, runQueries', () => {
+	it('should execute, should return success true', async () => {
+		const pgp = pgPromise();
+		const db = createMockDb([]);
+
+		const dbMultiSpy = jest.spyOn(db, 'multi');
+
+		const runQueries = configureQueryRunner(node, constructExecutionMetaData, false, pgp, db);
+
+		const result = await runQueries([{ query: 'SELECT * FROM table', values: [] }], [], {});
+
+		expect(result).toBeDefined();
+		expect(result).toHaveLength(1);
+		expect(result).toEqual([{ json: { success: true } }]);
+		expect(dbMultiSpy).toHaveBeenCalledWith('SELECT * FROM table');
+	});
+});