@csllc/j1939/test/claim.test.js

J1939 transport layer for CANBUS communication

/**
 * Test address claiming protocol
 *
 * this needs work
 */

/*
// Test helpers
const assert = require('chai').assert;
const expect = require('chai').expect;
var sinon = require('sinon');

// Create interface to the device
const J1939 = require('..');

class CanStub extends EventEmitter {

	constructor() {

	}

  // register another CanStub that will receive what we send
	connect( device ){

    this.remoteDevice = device;

	}

  // Send a CAN message
	tx( msg ) {
    this.remoteDevice.rx( msg );
	}

  // receive a CAN message
	rx( msg ) {
    this.emit( 'rx', msg );
	}

}

let device1 = new CanStub();
let device2 = new CanStub();

// imagine the devices talk to each other
device1.connectStub( device2 );
device2.connectStub( device1 );



before(function( done ) {

    done();

});

after(function( done ) {
  // runs after all tests in this block
  done();
});

beforeEach(function( done ) {
  // runs before each test in this block

  addressSpy = sinon.spy();
  j1939.on('address', addressSpy);

  done();
});

afterEach(function( done ) {
  // runs after each test in this block
  done();
});

describe('Claim address', function() {

  it('should claim an unused address', function(done) {

    let j1939 = new J1939( device1, {
      preferredAddress: 1,
    });

    //make sure our spy was fired once and only once
    expect(addressSpy.callCount).to.equal(1);

    //get the data from our spy call
    var spyCall = addressSpy.getCall(0);

    // should be successful
    expect(spyCall.args[1]).to.equal( j1939.CLAIM_SUCCESSFUL );

    // should get the address we requested
    expect(spyCall.args[2]).to.equal( 1 );



  });

});
*/