city-timezones/test/tests.js

A light and fast method of looking up timezones given the name of a city.

const assert = require('assert');
const cityTimezones = require('../index.js');

describe('City lookup tests', function() {
    it('finding Chicago', function() {
      let city = cityTimezones.lookupViaCity('Chicago')
      console.log('found Chicago by name: ', city)
      assert.equal(41.82999066, city[0].lat);
    });
    it('finding Chicago lower cased', function() {
      let city = cityTimezones.lookupViaCity('chicago')
      console.log('found Chicago by name lower case: ', city)
      assert.equal(41.82999066, city[0].lat);
    });
    it('return empty for non matching city', function() {
      let city = cityTimezones.lookupViaCity('Foobar')
      assert.deepEqual([], city);
    })
    it('return multiple matches', function() {
      let city = cityTimezones.lookupViaCity('Springfield')
      console.log(city.length + ' matches found for Springfield')
      assert(city.length > 1, city);
    });
});

describe('Partial lookup tests', function() {
  it('finding Springfield MO', function() {
    let city = cityTimezones.findFromCityStateProvince('springfield mo')
    console.log('found Springfield by match: ', city)
    assert.equal(37.18001609, city[0].lat)
  });
  it('finding cities matching London', function() {
    let city = cityTimezones.findFromCityStateProvince('London')
    console.log('found 6 London\'s by match: ', city)
    assert.equal(6, city.length);
  });
  it('return nothing from nothing', function() {
    let city = cityTimezones.findFromCityStateProvince('')
    console.log('found no matches ', city)
    assert.deepEqual([], city)
  });
});

describe('Returns full list of cities from source JSON', function() {
    it('finding all cities', function() {
        const cityMapping = cityTimezones.cityMapping
        console.log('found number of cities: ', cityMapping.length)
        assert(cityMapping.length >= 7323, 'finding all cities');
    });
});

describe('Iso code lookup tests', function() {
  it('finding iso2 de', function() {
    let iso_code_result = cityTimezones.findFromIsoCode('de')
    console.log('found de by iso2: ', iso_code_result)
    assert.equal(49.98247246, iso_code_result[0].lat);
  });

  it('finding iso3 deu', function() {
    let iso_code_result = cityTimezones.findFromIsoCode('deu')
    console.log('found deu by iso3: ', iso_code_result)
    assert.equal(49.98247246, iso_code_result[0].lat);
  });

  it('finding DE lower cased', function() {
    let iso_code_result = cityTimezones.findFromIsoCode('DE')
    console.log('found DE by iso lower case: ', iso_code_result)
    assert.equal(49.98247246, iso_code_result[0].lat);
  });

  it('return empty for non matching city', function() {
    let iso_code_result = cityTimezones.findFromIsoCode('Foobar')
    assert.deepEqual([], iso_code_result);
  })

  it('return multiple matches', function() {
    let iso_code_result = cityTimezones.findFromIsoCode('de')
    console.log(iso_code_result.length + ' matches found for de')
    assert(iso_code_result.length > 1, iso_code_result);
  });
});