gtfs-alerts-utils/tests/GtfsAlertUtils.timeranges.test.js

Utilities to work with GTFSrt Alerts

'use strict';

const { FeedEntity, Alert, TimeRange } = require('gtfs-realtime-bindings-transit').transit_realtime;
const GtfsAlertsUtils = require('../GtfsAlertsUtils');

const expect = require('chai').expect;

describe('GtfsAlertsUtils time ranges', () => {
  let entity;
  beforeEach(() => {
    entity = FeedEntity.create();
    entity.alert = Alert.create();
  });

  it('should return undefined with no time range', () => {
    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(undefined);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(undefined);
  });

  it('should return single value with single time range', () => {
    entity.alert.activePeriod.push(TimeRange.create({
      start: 100,
      end: 100,
    }));

    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(100);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(100);
  });

  it('should return single value with single time range with only start', () => {
    entity.alert.activePeriod.push(TimeRange.create({
      start: 100,
    }));

    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(100);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(undefined);
  });

  it('should return single value with single time range with only end', () => {
    entity.alert.activePeriod.push(TimeRange.create({
      end: 100,
    }));

    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(undefined);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(100);
  });

  it('should return single value with two time range with only end/start each', () => {
    entity.alert.activePeriod.push(TimeRange.create({
      end: 100,
    }));

    entity.alert.activePeriod.push(TimeRange.create({
      start: 100,
    }));

    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(undefined);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(undefined);
  });

  it('should return single value with two time range with only end/start each but with one complete', () => {
    entity.alert.activePeriod.push(TimeRange.create({
      start: 110,
      end: 120,
    }));

    entity.alert.activePeriod.push(TimeRange.create({
      start: 100,
    }));

    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(100);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(undefined);
  });

  it('should return single value with two time range with only end/start each but with one complete', () => {
    entity.alert.activePeriod.push(TimeRange.create({
      start: 110,
      end: 120,
    }));

    entity.alert.activePeriod.push(TimeRange.create({
      start: 100,
      end: 200
    }));

    expect(GtfsAlertsUtils.getEarliestStartDate(entity)).to.equal(100);
    expect(GtfsAlertsUtils.getLatestEndDate(entity)).to.equal(200);
  });
});