feat: No expression error when node hasn’t executed (#8448)

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/workflow/test/ExpressionFixtures/base.ts

@@ -1,15 +1,22 @@
 import type { GenericValue, IDataObject } from '@/Interfaces';
+import { ExpressionError } from '@/errors/expression.error';
 
-export interface ExpressionTestBase {
-	type: string;
+interface ExpressionTestBase {
+	type: 'evaluation' | 'transform';
 }
 
-export interface ExpressionTestEvaluation extends ExpressionTestBase {
+interface ExpressionTestSuccess extends ExpressionTestBase {
 	type: 'evaluation';
 	input: Array<IDataObject | GenericValue>;
 	output: IDataObject | GenericValue;
 }
 
+interface ExpressionTestFailure extends ExpressionTestBase {
+	type: 'evaluation';
+	input: Array<IDataObject | GenericValue>;
+	error: ExpressionError;
+}
+
 export interface ExpressionTestTransform extends ExpressionTestBase {
 	type: 'transform';
 	// If we don't specify a result we expect it to be the same as the input
@@ -17,6 +24,7 @@ export interface ExpressionTestTransform extends ExpressionTestBase {
 	forceTransform?: boolean;
 }
 
+export type ExpressionTestEvaluation = ExpressionTestSuccess | ExpressionTestFailure;
 export type ExpressionTests = ExpressionTestEvaluation | ExpressionTestTransform;
 
 export interface ExpressionTestFixture {
@@ -265,7 +273,11 @@ export const baseFixtures: ExpressionTestFixture[] = [
 			{
 				type: 'evaluation',
 				input: [],
-				output: undefined,
+				error: new ExpressionError('No execution data available', {
+					runIndex: 0,
+					itemIndex: 0,
+					type: 'no_execution_data',
+				}),
 			},
 			{ type: 'transform' },
 			{ type: 'transform', forceTransform: true },