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packages/nodes-base/nodes/Airtop/test/node/file/get.test.ts

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+import * as get from '../../../actions/file/get.operation';
+import { ERROR_MESSAGES } from '../../../constants';
+import * as transport from '../../../transport';
+import { createMockExecuteFunction } from '../helpers';
+
+const baseNodeParameters = {
+	resource: 'file',
+	operation: 'get',
+	sessionId: 'test-session-123',
+	fileId: 'file-123',
+};
+
+const mockFileResponse = {
+	data: {
+		id: 'file-123',
+		fileName: 'test-file.pdf',
+		status: 'available',
+		downloadUrl: 'https://api.airtop.com/files/file-123/download',
+	},
+};
+
+const mockBinaryBuffer = Buffer.from('mock-binary-data');
+
+const mockPreparedBinaryData = {
+	mimeType: 'application/pdf',
+	fileType: 'pdf',
+	fileName: 'test-file.pdf',
+	data: 'mock-base64-data',
+};
+
+jest.mock('../../../transport', () => {
+	const originalModule = jest.requireActual<typeof transport>('../../../transport');
+	return {
+		...originalModule,
+		apiRequest: jest.fn(),
+	};
+});
+
+describe('Test Airtop, get file operation', () => {
+	afterAll(() => {
+		jest.unmock('../../../transport');
+	});
+
+	afterEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('should get file details successfully', async () => {
+		const apiRequestMock = transport.apiRequest as jest.Mock;
+		apiRequestMock.mockResolvedValueOnce(mockFileResponse);
+
+		const result = await get.execute.call(createMockExecuteFunction(baseNodeParameters), 0);
+
+		expect(apiRequestMock).toHaveBeenCalledWith('GET', '/files/file-123');
+
+		expect(result).toEqual([
+			{
+				json: {
+					...mockFileResponse,
+				},
+			},
+		]);
+	});
+
+	it('should output file with binary data when specified', async () => {
+		const apiRequestMock = transport.apiRequest as jest.Mock;
+		apiRequestMock.mockResolvedValueOnce(mockFileResponse);
+
+		const nodeParameters = {
+			...baseNodeParameters,
+			outputBinaryFile: true,
+		};
+
+		const mockExecuteFunction = createMockExecuteFunction(nodeParameters);
+
+		mockExecuteFunction.helpers.httpRequest = jest.fn().mockResolvedValue(mockBinaryBuffer);
+		mockExecuteFunction.helpers.prepareBinaryData = jest
+			.fn()
+			.mockResolvedValue(mockPreparedBinaryData);
+
+		const result = await get.execute.call(mockExecuteFunction, 0);
+
+		expect(apiRequestMock).toHaveBeenCalledWith('GET', '/files/file-123');
+
+		expect(result).toEqual([
+			{
+				json: {
+					...mockFileResponse,
+				},
+				binary: { data: mockPreparedBinaryData },
+			},
+		]);
+	});
+
+	it('should throw error when fileId is empty', async () => {
+		const nodeParameters = {
+			...baseNodeParameters,
+			fileId: '',
+		};
+
+		await expect(get.execute.call(createMockExecuteFunction(nodeParameters), 0)).rejects.toThrow(
+			ERROR_MESSAGES.REQUIRED_PARAMETER.replace('{{field}}', 'File ID'),
+		);
+	});
+});