Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import fs from 'node:fs'; import net from 'node:net'; import { generateSampleHl7Message } from './hl7'; import { main } from './index'; describe('HL7 commands', () => { test('Client and server', async () => { console.error = jest.fn(); console.log = jest.fn(); process.exit = jest.fn<never, any>().mockImplementation(function exit(exitCode: number) { throw new Error(`Process exited with exit code ${exitCode}`); }) as unknown as typeof process.exit; const processError = jest.spyOn(process.stderr, 'write').mockImplementation(jest.fn()); const originalCreateServer = net.createServer; let capturedReturnValue: net.Server | undefined = undefined; const createServerSpy = jest.spyOn(net, 'createServer').mockImplementation((...args) => { capturedReturnValue = originalCreateServer(...args); return capturedReturnValue; }); // Start a server await main(['node', 'index.js', 'hl7', 'listen', '56999']); expect(console.log).toHaveBeenCalledWith('Listening on port 56999'); (console.log as unknown as jest.Mock).mockClear(); // Send a message with missing body await expect(main(['node', 'index.js', 'hl7', 'send', 'localhost', '56999', ''])).rejects.toThrow( 'Process exited with exit code 1' ); expect(processError).toHaveBeenCalledWith(expect.stringContaining('Missing HL7 message body')); // Send a message from file jest.spyOn(fs, 'readFileSync').mockImplementation(() => generateSampleHl7Message()); await main(['node', 'index.js', 'hl7', 'send', 'localhost', '56999', '--file', 'sample.hl7']); expect(console.log).toHaveBeenCalledWith(expect.stringContaining('MSH|^~\\&|ADTSYS|HOSPITAL|RECEIVER|DEST|')); (console.log as unknown as jest.Mock).mockClear(); // Send a generated message await main(['node', 'index.js', 'hl7', 'send', 'localhost', '56999', '--generate-example']); expect(console.log).toHaveBeenCalledWith(expect.stringContaining('MSH|^~\\&|ADTSYS|HOSPITAL|RECEIVER|DEST|')); (console.log as unknown as jest.Mock).mockClear(); expect(createServerSpy).toHaveBeenCalled(); (capturedReturnValue as unknown as net.Server).close(); createServerSpy.mockRestore(); }); });