node-red-contrib-tak/test/cotLib_spec.js

Node-RED Nodes for encoding & decoding TAK Protocol and Cursor on Target messages from TAK Products.

const { expect } = require('chai');

const { encodeCOT } = require('../tak/cotLib');

describe('encodeCOT', () => {
  it('should encode a valid CoT payload', () => {
    const payload = {
      cotEvent: {
        type: 'a-f-G-U-C',
        uid: 'test-uid',
        sendTime: 1696118400000, // 2023-10-01T00:00:00Z in epoch format
        startTime: 1696118400000, // 2023-10-01T00:00:00Z in epoch format
        staleTime: 1696122000000, // 2023-10-01T01:00:00Z in epoch format
        how: 'm-g',
        lat: 34.0522,
        lon: -118.2437,
        hae: 100,
        ce: 10,
        le: 10,
        detail: {
          track: {
            course: "207.2594673459405", // double
            speed: "0.0", // double
          },
        }
      }
    };

    const result = encodeCOT(payload);
    expect(result).to.be.an('array');
    expect(result).to.have.lengthOf(3);
    expect(result[0].payload).to.be.a('string');
    expect(result[1].payload).to.be.instanceOf(Buffer);
    expect(result[2].payload).to.be.instanceOf(Buffer);
  });

  it.skip('should handle payload without cotEvent', () => {
    const payload = {};

    const result = encodeCOT(payload);
    expect(result).to.be.an('array');
    expect(result).to.have.lengthOf(3);
    expect(result[0].payload).to.be.a('string');
    expect(result[1].payload).to.be.instanceOf(Buffer);
    expect(result[2].payload).to.be.instanceOf(Buffer);
  });

  it.skip('should handle payload with missing details', () => {
    const payload = {
      cotEvent: {
        type: 'a-f-G-U-C',
        uid: 'test-uid',
        time: '2023-10-01T00:00:00Z',
        start: '2023-10-01T00:00:00Z',
        stale: '2023-10-01T01:00:00Z',
        how: 'm-g',
        point: {
          lat: 34.0522,
          lon: -118.2437,
          hae: 100,
          ce: 10,
          le: 10
        }
      }
    };

    const result = encodeCOT(payload);
    expect(result).to.be.an('array');
    expect(result).to.have.lengthOf(3);
    expect(result[0].payload).to.be.a('string');
    expect(result[1].payload).to.be.instanceOf(Buffer);
    expect(result[2].payload).to.be.instanceOf(Buffer);
  });
});