const utils = require('../');
describe('PIXI.utils', function ()
{
describe('uid', function ()
{
it('should exist', function ()
{
expect(utils.uid)
.to.be.a('function');
});
it('should return a number', function ()
{
expect(utils.uid())
.to.be.a('number');
});
});
describe('hex2rgb', function ()
{
it('should exist', function ()
{
expect(utils.hex2rgb)
.to.be.a('function');
});
// it('should properly convert number to rgb array');
});
describe('hex2string', function ()
{
it('should exist', function ()
{
expect(utils.hex2string)
.to.be.a('function');
});
// it('should properly convert number to hex color string');
});
describe('rgb2hex', function ()
{
it('should exist', function ()
{
expect(utils.rgb2hex)
.to.be.a('function');
});
it('should calculate correctly', function ()
{
expect(utils.rgb2hex([0.3, 0.2, 0.1])).to.equals(0x4c3319);
});
// it('should properly convert rgb array to hex color string');
});
describe('getResolutionOfUrl', function ()
{
it('should exist', function ()
{
expect(utils.getResolutionOfUrl)
.to.be.a('function');
});
// it('should return the correct resolution based on a URL');
});
describe('decomposeDataUri', function ()
{
it('should exist', function ()
{
expect(utils.decomposeDataUri)
.to.be.a('function');
});
it('should decompose a data URI', function ()
{
const dataUri = utils.decomposeDataUri('data:image/png;base64,94Z9RWUN77ZW');
expect(dataUri)
.to.be.an('object');
expect(dataUri.mediaType)
.to.equal('image');
expect(dataUri.subType)
.to.equal('png');
expect(dataUri.encoding)
.to.equal('base64');
expect(dataUri.data)
.to.equal('94Z9RWUN77ZW');
});
it('should return undefined for anything else', function ()
{
const dataUri = utils.decomposeDataUri('foo');
expect(dataUri)
.to.be.an('undefined');
});
});
describe('getUrlFileExtension', function ()
{
it('should exist', function ()
{
expect(utils.getUrlFileExtension)
.to.be.a('function');
});
it('should return extension of URL in lower case', function ()
{
const imageType = utils.getUrlFileExtension('http://foo.bar/baz.PNG');
expect(imageType)
.to.equal('png');
});
it('should return extension of URL when absolute', function ()
{
const imageType = utils.getUrlFileExtension('/you/baz.PNG');
expect(imageType)
.to.equal('png');
});
it('should return extension of URL when relative', function ()
{
const imageType = utils.getUrlFileExtension('me/baz.PNG');
expect(imageType)
.to.equal('png');
});
it('should return extension of URL when just an extension', function ()
{
const imageType = utils.getUrlFileExtension('.PNG');
expect(imageType)
.to.equal('png');
});
it('should work with a hash on the url', function ()
{
const imageType = utils.getUrlFileExtension('http://foo.bar/baz.PNG#derp');
expect(imageType)
.to.equal('png');
});
it('should work with a hash path on the url', function ()
{
const imageType = utils.getUrlFileExtension('http://foo.bar/baz.PNG#derp/this/is/a/path/me.jpg');
expect(imageType)
.to.equal('png');
});
it('should work with a query string on the url', function ()
{
const imageType = utils.getUrlFileExtension('http://foo.bar/baz.PNG?v=1&file=me.jpg');
expect(imageType)
.to.equal('png');
});
it('should work with a hash and query string on the url', function ()
{
const imageType = utils.getUrlFileExtension('http://foo.bar/baz.PNG?v=1&file=me.jpg#not-today');
expect(imageType)
.to.equal('png');
});
it('should work with a hash path and query string on the url', function ()
{
const imageType = utils.getUrlFileExtension('http://foo.bar/baz.PNG?v=1&file=me.jpg#path/s/not-today.svg');
expect(imageType)
.to.equal('png');
});
});
describe('getSvgSize', function ()
{
it('should exist', function ()
{
expect(utils.getSvgSize)
.to.be.a('function');
});
it('should return a size object with width and height from an SVG string', function ()
{
const svgSize = utils.getSvgSize('<svg height="32" width="64"></svg>');
expect(svgSize)
.to.be.an('object');
expect(svgSize.width)
.to.equal(64);
expect(svgSize.height)
.to.equal(32);
});
it('should return a size object from an SVG string with inverted quotes', function ()
{
const svgSize = utils.getSvgSize("<svg height='32' width='64'></svg>"); // eslint-disable-line quotes
expect(svgSize)
.to.be.an('object');
expect(svgSize.width)
.to.equal(64);
expect(svgSize.height)
.to.equal(32);
});
it('should work with px values', function ()
{
const svgSize = utils.getSvgSize('<svg height="32px" width="64px"></svg>');
expect(svgSize)
.to.be.an('object');
expect(svgSize.width)
.to.equal(64);
expect(svgSize.height)
.to.equal(32);
});
it('should return an empty object when width and/or height is missing', function ()
{
const svgSize = utils.getSvgSize('<svg width="64"></svg>');
expect(Object.keys(svgSize).length)
.to.equal(0);
});
});
describe('sayHello', function ()
{
it('should exist', function ()
{
expect(utils.sayHello)
.to.be.a('function');
});
});
describe('isWebGLSupported', function ()
{
it('should exist', function ()
{
expect(utils.isWebGLSupported)
.to.be.a('function');
});
});
describe('sign', function ()
{
it('should return 0 for 0', function ()
{
expect(utils.sign(0))
.to.be.equal(0);
});
it('should return -1 for negative numbers', function ()
{
for (let i = 0; i < 10; i += 1)
{
expect(utils.sign(-Math.random()))
.to.be.equal(-1);
}
});
it('should return 1 for positive numbers', function ()
{
for (let i = 0; i < 10; i += 1)
{
expect(utils.sign(Math.random() + 0.000001))
.to.be.equal(1);
}
});
});
describe('.removeItems', function ()
{
it('should exist', function ()
{
expect(utils.removeItems).to.be.a('function');
});
});
describe('EventEmitter', function ()
{
it('should exist', function ()
{
expect(utils.EventEmitter).to.be.a('function');
});
});
describe('isMobile', function ()
{
it('should exist', function ()
{
expect(utils.isMobile).to.be.an('object');
});
it('should return a boolean for .any', function ()
{
expect(utils.isMobile.any).to.be.a('boolean');
});
});
});
