101 lines
3.1 KiB
JavaScript
101 lines
3.1 KiB
JavaScript
'use strict';
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var expect = require('expect.js');
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var gradients = require('../build/node');
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function pprint(ast) {
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console.log(JSON.stringify(ast, true, 2));
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}
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describe('lib/stringify.js', function () {
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var subject;
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it('should exist', function () {
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expect(typeof gradients.stringify).to.equal('function');
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});
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describe('serialization', function() {
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it('if tree is null', function() {
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expect(gradients.stringify(null)).to.equal('');
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});
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it('should serialize a simple gradient', function() {
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var gradientDef = 'linear-gradient(black, white)';
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expect(gradients.stringify(gradients.parse(gradientDef))).to.equal(gradientDef);
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});
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it('should serialize gradient with hex', function() {
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var gradientDef = 'linear-gradient(#fff, white)';
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expect(gradients.stringify(gradients.parse(gradientDef))).to.equal(gradientDef);
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});
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it('should serialize gradient with rgb', function() {
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var gradientDef = 'linear-gradient(rgb(1, 2, 3), white)';
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expect(gradients.stringify(gradients.parse(gradientDef))).to.equal(gradientDef);
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});
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it('should serialize gradient with rgba', function() {
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var gradientDef = 'linear-gradient(rgba(1, 2, 3, .0), white)';
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expect(gradients.stringify(gradients.parse(gradientDef))).to.equal(gradientDef);
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});
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it('should serialize gradient with deg', function() {
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var gradientDef = 'linear-gradient(45deg, #fff, transparent)';
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expect(gradients.stringify(gradients.parse(gradientDef))).to.equal(gradientDef);
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});
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it('should serialize gradient with directional', function() {
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var gradientDef = 'linear-gradient(to left, #fff, transparent)';
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expect(gradients.stringify(gradients.parse(gradientDef))).to.equal(gradientDef);
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});
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describe('all metric values', function() {
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[
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'px',
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'em',
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'%'
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].forEach(function(metric) {
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var expectedResult;
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describe('stringify color stop for metric '+ metric, function() {
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beforeEach(function() {
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expectedResult = 'linear-gradient(blue 10.3' + metric + ', transparent)';
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var ast = gradients.parse(expectedResult);
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subject = gradients.stringify(ast);
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});
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it('should result as expected', function() {
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expect(subject).to.equal(expectedResult);
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});
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});
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});
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});
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describe('different radial declarations', function() {
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[
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'ellipse farthest-corner',
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'ellipse cover',
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'circle cover',
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'center bottom, ellipse cover',
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'circle at 87.23px -58.3px',
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'farthest-corner, red, blue',
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'farthest-corner at 87.23px -58.3px, red, blue'
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].forEach(function(declaration) {
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it('should parse ' + declaration + ' declaration', function() {
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var expectedResult = 'radial-gradient(' + declaration + ', red, blue)';
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var ast = gradients.parse(expectedResult);
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subject = gradients.stringify(ast);
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expect(subject).to.equal(expectedResult);
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});
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});
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});
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});
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});
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