Sun calculation js library which is fully based on formula from http://aa.quae.nl/en/reken/zonpositie.html
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47 lines
2.1 KiB
47 lines
2.1 KiB
7 years ago
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const assert = require('assert');
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const calculationofsun = require('./dist/solar-calculation');
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describe('Get the sun declination', function() {
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describe('Get declination on Sat Apr 14 2018 12:02:33 GMT+0700 (WIB)', function() {
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it('Should return 9.275350145303175 in degrees and 0.16188539931087487 in radiant', function() {
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var results = calculationofsun.declination(
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calculationofsun.dateToJD(new Date('Sat Apr 14 2018 12:02:33 GMT+0700 (WIB)'))
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);
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assert.equal(results.degrees, 9.275350145303175);
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assert.equal(results.rad, 0.16188539931087487);
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})
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})
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});
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describe('Test get sun position from getsuninformation', function() {
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it('Should not return NaN value in sun position', function() {
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var results = calculationofsun.getSunInformation(new Date(), 35, 43.5553);
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assert.notEqual(results.sun_position.azimuth, NaN);
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assert.notEqual(results.sun_position.altitude, NaN);
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});
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describe('Test get sun position through itself and not through the getsuninformation', function() {
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describe('On this case, we never create sun calculation instance before,\n so we dont have any value from the user itself',
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function() {
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var newCalc = require('./dist/solar-calculation');
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var results = newCalc.getSunPosition();
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it('Should return NaN as the value', function() {
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assert.notEqual(typeof results.azimuth.degrees, Number);
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assert.notEqual(typeof results.altitude.degrees, Number);
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})
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});
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});
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});
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describe('Test getHourAngle by given Julian date and west longitude', function() {
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describe('On JD = 2458222.7101041665, and lw = -98.678513', function() {
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var results = calculationofsun.getHourAngle(2458222.7101041665, -98.678513);
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it('Should return -5.957697679431796', function() {
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assert.equal(results, -5.957697679431796);
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});
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});
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});
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describe('Test major feature', function() {
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assert.ok(calculationofsun.getSunInformation(new Date(), 35, 43.55535), 'Ok');
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})
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