code-problems/tests/javascript/byte-format.js at master · blakeembrey/code-problems · GitHub

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var expect = require('chai').expect;
var byteFormat = require('../../solutions/javascript/byte-format');

describe('Byte format', function() {
	it('should show B format', function() {
		expect(byteFormat(1022)).to.equal('1022 B');
	});

	it('should show KB format', function() {
		expect(byteFormat(10221)).to.equal('9.99 KB');
	});

	it('should show KB format rounded to 3 digital', function() {
		expect(byteFormat(10221, 3)).to.equal('9.982 KB');
	});

	it('should show MB format', function() {
		expect(byteFormat(1022932324)).to.equal('975.55 MB');
	});

	it('should show GB format', function() {
		expect(byteFormat(1022932123237)).to.equal('952.68 GB');
	});

	it('should show TB format', function() {
		expect(byteFormat(1022932453333234)).to.equal('930.36 TB');
	});

	it('should show PB format', function() {
		expect(byteFormat(1022932453333234444)).to.equal('908.55 PB');
	});

	it('should show EB format', function() {
		expect(byteFormat(1022932453333234444324)).to.equal('887.26 EB');
	});

	it('should show ZB format', function() {
		expect(byteFormat(1022932453333234444324454)).to.equal('866.46 ZB');
	});

	it('should show YB format', function() {
		expect(byteFormat(10243245333323444432445431)).to.equal('8.48 YB');
	});

	it('should show YB format when number larger than 1024YB', function() {
    var result = byteFormat(232932453333234444324454333424324);

		expect(result).to.equal('192677209.44 YB');
	});

  it('should not show any decimals', function () {
    expect(byteFormat(9999, 0)).to.equal('10 KB');
  });
});