test(Read Binary Files Node): Unit tests (no-changelog) (#5459)

* ✅ add Read Binary Files tests

* ⚡️updated ReadBinaryFiles test

* fix test result comparison

* fix test result comparison

---------

Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/nodes/ReadBinaryFiles/test/ReadBinaryFiles.test.ts

@@ -0,0 +1,78 @@
+/* eslint-disable @typescript-eslint/no-loop-func */
+import * as Helpers from '../../../test/nodes/Helpers';
+import type { WorkflowTestData } from '../../../test/nodes/types';
+import { executeWorkflow } from '../../../test/nodes/ExecuteWorkflow';
+import path from 'path';
+
+describe('Test Read Binary Files Node', () => {
+	beforeEach(async () => {
+		await Helpers.initBinaryDataManager();
+	});
+
+	const workflow = Helpers.readJsonFileSync(
+		'nodes/ReadBinaryFiles/test/ReadBinaryFiles.workflow.json',
+	);
+	const node = workflow.nodes.find((n: any) => n.name === 'Read Binary Files');
+	const dir = path.join(__dirname, 'data').split('\\').join('/');
+	node.parameters.fileSelector = `${dir}/*.json`;
+
+	const tests: WorkflowTestData[] = [
+		{
+			description: 'nodes/ReadBinaryFiles/test/ReadBinaryFiles.workflow.json',
+			input: {
+				workflowData: workflow,
+			},
+			output: {
+				nodeData: {
+					'Read Binary Files': [
+						[
+							{
+								binary: {
+									data: {
+										mimeType: 'application/json',
+										fileType: 'json',
+										fileExtension: 'json',
+										data: 'ewoJInRpdGxlIjogIkxvcmVtIElwc3VtIgp9Cg==',
+										directory: dir,
+										fileName: 'sample.json',
+										fileSize: '28 B',
+									},
+								},
+								json: {},
+							},
+							{
+								binary: {
+									data: {
+										mimeType: 'application/json',
+										fileType: 'json',
+										fileExtension: 'json',
+										data: 'ewoJInRpdGxlIjogIklwc3VtIExvcmVtIgp9Cg==',
+										directory: dir,
+										fileName: 'sample2.json',
+										fileSize: '28 B',
+									},
+								},
+								json: {},
+							},
+						],
+					],
+				},
+			},
+		},
+	];
+
+	const nodeTypes = Helpers.setup(tests);
+
+	for (const testData of tests) {
+		test(testData.description, async () => {
+			const { result } = await executeWorkflow(testData, nodeTypes);
+
+			const resultNodeData = Helpers.getResultNodeData(result, testData);
+			resultNodeData.forEach(({ nodeName, resultData }) =>
+				expect(resultData).toEqual(testData.output.nodeData[nodeName]),
+			);
+
+			expect(result.finished).toEqual(true);
+		});
+	}
+});