chroma-js/test/temperature2rgb.test.js

JavaScript library for color conversions

const vows = require('vows')
const assert = require('assert');
require('es6-shim');

const temperature2rgb = require('../src/io/temp/temperature2rgb');
const {round} = Math;

vows
    .describe('Testing Kelvin color conversions')
    .addBatch({
        'parse simple kelvin colors': {
            topic: {
                '1k': { in: 1000,   out: [255,58,0,1] },
                '4k': { in: 4000,   out: [255,208,164,1] },
                '5k': { in: 5000,   out: [255,228,205,1] },
                '7k': { in: 7000,   out: [245,243,255,1] },
                '10k': { in: 10000, out: [204,220,255,1] },
                '20k': { in: 20000, out: [168,197,255,1] },
                '30k': { in: 30000, out: [159,190,255,1] }
            },
            hsv_arr(topic) {
                Object.keys(topic).forEach(key => {
                    assert.deepEqual(temperature2rgb(topic[key].in).map(round), topic[key].out);
                });
            }
        }
    })
    .export(module);