@signalk/nmea0183-signalk/test/ZDA.js

A node.js/javascript parser for NMEA0183 sentences. Sentences are parsed to Signal K format.

/**
 * Copyright 2016 Signal K <info@signalk.org> and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const Parser = require('../lib')
const chai = require('chai')
const should = chai.Should()
chai.use(require('chai-things'))

const nmeaLine = '$GPZDA,160012.71,11,03,2004,-1,00*7D'
const emptyNmeaLine = '$GPZDA,,,,,,*48'

describe('ZDA', () => {
  it('Converts OK using individual parser', () => {
    const delta = new Parser().parse(nmeaLine)
    delta.updates[0].values.should.contain.an.item.with.property(
      'path',
      'navigation.datetime'
    )
    delta.updates[0].values.should.contain.an.item.with.property(
      'value',
      '2004-03-11T16:00:12.710Z'
    )
  })

  it("Doesn't choke on empty sentences", () => {
    const delta = new Parser().parse(emptyNmeaLine)
    should.equal(delta, null)
  })

  it('Doesn\t choke when the number of seconds is 0', () => {
    const delta = new Parser().parse('$IIZDA,085400,22,07,2021,,*50')
    delta.updates[0].values.should.contain.an.item.with.property(
      'path',
      'navigation.datetime'
    )
    delta.updates[0].values.should.contain.an.item.with.property(
      'value',
      '2021-07-22T08:54:00.000Z'
    )
  })
})