test-signalk-endpoint.js

#!/usr/bin/env node

/**
 * Test script for the SignalK transformation endpoint
 */

const http = require('http')

const testData = {
  // Test with a simple NMEA 2000 wind data message
  data: {
    timestamp: '2024-08-07T15:00:00.000Z',
    prio: 2,
    src: 42,
    dst: 255,
    pgn: 130306,
    description: 'Wind Data',
    fields: {
      windSpeed: 10.5,
      windAngle: 45.2,
      reference: 'Apparent',
    },
  },
}

const postData = JSON.stringify(testData)

const options = {
  hostname: 'localhost',
  port: 8080,
  path: '/api/transform/signalk',
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Content-Length': Buffer.byteLength(postData),
  },
}

console.log('Testing SignalK transformation endpoint...')
console.log('Sending test data:', JSON.stringify(testData, null, 2))

const req = http.request(options, (res) => {
  console.log(`\nResponse status: ${res.statusCode}`)
  console.log(`Response headers:`, res.headers)

  let data = ''
  res.on('data', (chunk) => {
    data += chunk
  })

  res.on('end', () => {
    try {
      const response = JSON.parse(data)
      console.log('\nResponse body:')
      console.log(JSON.stringify(response, null, 2))
    } catch (error) {
      console.log('\nRaw response body:', data)
    }
  })
})

req.on('error', (e) => {
  console.error(`Request error: ${e.message}`)
  console.log('Make sure the Visual Analyzer server is running on port 8080')
})

req.write(postData)
req.end()