fix(core): Assign Unknown Error only if message or description not present in error

packages/workflow/test/NodeErrors.test.ts

@@ -0,0 +1,80 @@
+import type { INode } from '../src/Interfaces';
+import { NodeApiError } from '../src/NodeErrors';
+
+const node: INode = {
+	id: '1',
+	name: 'Postgres node',
+	typeVersion: 2,
+	type: 'n8n-nodes-base.postgres',
+	position: [60, 760],
+	parameters: {
+		operation: 'executeQuery',
+	},
+};
+
+describe('NodeErrors tests', () => {
+	it('should return unknown error message', () => {
+		const nodeApiError = new NodeApiError(node, {});
+
+		expect(nodeApiError.message).toEqual(
+			'UNKNOWN ERROR - check the detailed error for more information',
+		);
+	});
+
+	it('should return the error message', () => {
+		const nodeApiError = new NodeApiError(node, { message: 'test error message' });
+
+		expect(nodeApiError.message).toEqual('test error message');
+	});
+
+	it('should return the error message defined in reason', () => {
+		const nodeApiError = new NodeApiError(node, { reason: { message: 'test error message' } });
+
+		expect(nodeApiError.message).toEqual('test error message');
+	});
+
+	it('should return the error message defined in options', () => {
+		const nodeApiError = new NodeApiError(node, {}, { message: 'test error message' });
+
+		expect(nodeApiError.message).toEqual('test error message');
+	});
+
+	it('should return description error message', () => {
+		const nodeApiError = new NodeApiError(node, { description: 'test error description' });
+
+		expect(nodeApiError.message).toEqual('test error description');
+	});
+
+	it('should return description as error message defined in reason', () => {
+		const nodeApiError = new NodeApiError(node, {
+			reason: { description: 'test error description' },
+		});
+
+		expect(nodeApiError.message).toEqual('test error description');
+	});
+
+	it('should return description as error message defined in options', () => {
+		const nodeApiError = new NodeApiError(node, {}, { description: 'test error description' });
+
+		expect(nodeApiError.message).toEqual('test error description');
+	});
+
+	it('should return default message for ECONNREFUSED', () => {
+		const nodeApiError = new NodeApiError(node, {
+			status: 'rejected',
+			message: 'ECONNREFUSED',
+		});
+
+		expect(nodeApiError.message).toEqual(
+			'The service refused the connection - perhaps it is offline',
+		);
+	});
+
+	it('should return default message for 502', () => {
+		const nodeApiError = new NodeApiError(node, {
+			message: '502 Bad Gateway',
+		});
+
+		expect(nodeApiError.message).toEqual('Bad gateway - the service failed to handle your request');
+	});
+});