svg-transform-parser/test/index.js

A small library for parsing SVG transform attribute

var expect = require('chai').expect,
    stp = require('../index');

describe('#escape', function() {
  var testSet = [
    ["translate(1.6,65.44)", {translate: {tx: 1.6, ty: 65.44}}],
    ["translate(777)", {translate: {tx: 777}}],
    ["rotate(51)", {rotate: {angle: 51}}],
    ["rotate(46 51)", {throw: true}],
    ["rotate(46 51, 18.57)", {rotate: {angle: 46, cx: 51, cy: 18.57}}],
    ["skewX(19.08)", {skewX: {angle: 19.08}}],
    ["skewX(19.08, 4)", {throw: true}],
    ["skewY(56.11)", {skewY: {angle: 56.11}}],
    ["matrix(1 2 3,4,5 6)", {matrix: {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6}}],
    ["matrix(1 2 3,45 6)", {throw: true}],
    ["translate(1,-1),rotate(2 0.2 0.5) skewX(3.3)  skewY(4),matrix(6,5,4,3,2,1)", {
      translate: {tx: 1, ty: -1},
      rotate: {angle: 2, cx: 0.2, cy: 0.5},
      skewX: {angle: 3.3},
      skewY: {angle: 4},
      matrix: {a: 6, b: 5, c: 4, d: 3, e: 2, f: 1}
    }],
  ];

  testSet.forEach(function(testCase) {
    var shouldBe = testCase[1];
    var fn = function() { return stp.parse(testCase[0]); }

    if (shouldBe.throw) {
      it('parsing ' + testCase[0] + ' should throw error', function() {
        expect(fn).to.throw();
      });
    } else {
      it('parse ' + testCase[0], function() {
        expect(fn()).to.deep.equal(shouldBe);
      });
    }
  });
});