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

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+import { NodeTestHarness } from '@nodes-testing/node-test-harness';
+import type { WorkflowTestData } from 'n8n-workflow';
+import path from 'path';
+
+describe('Test Read Binary File Node', () => {
+	const testHarness = new NodeTestHarness();
+	const workflowData = testHarness.readWorkflowJSON('ReadBinaryFile.workflow.json');
+	const node = workflowData.nodes.find((n) => n.name === 'Read Binary File')!;
+	node.parameters.filePath = path.join(__dirname, 'image.jpg');
+
+	const tests: WorkflowTestData[] = [
+		{
+			description: 'nodes/ReadBinaryFile/test/ReadBinaryFile.workflow.json',
+			input: {
+				workflowData,
+			},
+			output: {
+				assertBinaryData: true,
+				nodeData: {
+					'Read Binary File': [
+						[
+							{
+								json: {},
+								binary: {
+									data: {
+										mimeType: 'image/jpeg',
+										fileType: 'image',
+										fileExtension: 'jpg',
+										data: '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',
+										fileName: 'image.jpg',
+										fileSize: '1.04 kB',
+									},
+								},
+							},
+						],
+					],
+				},
+			},
+		},
+	];
+
+	for (const testData of tests) {
+		testHarness.setupTest(testData);
+	}
+});

packages/nodes-base/nodes/ReadBinaryFile/test/ReadBinaryFile.workflow.json

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+{
+	"name": "Read Binary File Unit Test",
+	"nodes": [
+		{
+			"parameters": {},
+			"id": "209e36b6-de70-4cc4-ac95-ca17fd3f83ff",
+			"name": "When clicking \"Execute Workflow\"",
+			"type": "n8n-nodes-base.manualTrigger",
+			"typeVersion": 1,
+			"position": [
+				1020,
+				640
+			]
+		},
+		{
+			"parameters": {
+				"filePath": "C:\\Test\\image.jpg"
+			},
+			"id": "1901bee9-d429-4485-9fdb-e5cd3aa64eab",
+			"name": "Read Binary File",
+			"type": "n8n-nodes-base.readBinaryFile",
+			"typeVersion": 1,
+			"position": [
+				1240,
+				640
+			]
+		}
+	],
+	"pinData": {},
+	"connections": {
+		"When clicking \"Execute Workflow\"": {
+			"main": [
+				[
+					{
+						"node": "Read Binary File",
+						"type": "main",
+						"index": 0
+					}
+				]
+			]
+		}
+	},
+	"active": false,
+	"settings": {},
+	"versionId": "c0b978b3-92e6-4c62-9c85-9539922b0443",
+	"id": "184",
+	"meta": {
+		"instanceId": "104a4d08d8897b8bdeb38aaca515021075e0bd8544c983c2bb8c86e6a8e6081c"
+	},
+	"tags": []
+}