additional tests

packages/core/src/execution-engine/node-execution-context/utils/__tests__/normalize-items.test.ts

@@ -1,4 +1,4 @@
-import type { INodeExecutionData } from 'n8n-workflow';
+import type { IBinaryData, INodeExecutionData } from 'n8n-workflow';
 import { ApplicationError } from 'n8n-workflow';
 
 import { normalizeItems } from '../normalize-items';
@@ -41,6 +41,30 @@ describe('normalizeItems', () => {
 					{ json: {}, binary: { data: { data: 'binary2', mimeType: 'mime2' } } },
 				],
 			},
+			{
+				description: 'object with null or undefined values',
+				input: { key: null, another: undefined } as unknown as INodeExecutionData,
+				expected: [{ json: { key: null, another: undefined } }],
+			},
+			{
+				description: 'array with mixed non-standard objects',
+				input: [{ custom: 'value1' }, { another: 'value2' }] as unknown as INodeExecutionData[],
+				expected: [{ json: { custom: 'value1' } }, { json: { another: 'value2' } }],
+			},
+			{
+				description: 'empty object',
+				input: {} as INodeExecutionData,
+				expected: [{ json: {} }],
+			},
+			{
+				description: 'array with primitive values',
+				input: [1, 'string', true] as unknown as INodeExecutionData[],
+				expected: [
+					{ json: 1 },
+					{ json: 'string' },
+					{ json: true },
+				] as unknown as INodeExecutionData[],
+			},
 		];
 		test.each(successTests)('$description', ({ input, expected }) => {
 			const result = normalizeItems(input);
@@ -64,6 +88,20 @@ describe('normalizeItems', () => {
 					{ key: 'value' } as unknown as INodeExecutionData,
 				],
 			},
+			{
+				description: 'when mixing json and non-json objects with non-json properties',
+				input: [
+					{ json: { key1: 'value1' } },
+					{ other: 'value', custom: 'prop' } as unknown as INodeExecutionData,
+				],
+			},
+			{
+				description: 'when mixing binary and non-binary objects',
+				input: [
+					{ json: {}, binary: { data: { data: 'binarydata' } as IBinaryData } },
+					{ custom: 'value' } as unknown as INodeExecutionData,
+				],
+			},
 		];
 		test.each(errorTests)('$description', ({ input }) => {
 			expect(() => normalizeItems(input)).toThrow(new ApplicationError('Inconsistent item format'));