imagediff node-canvas browserify

gistfile1.txt

it("should parse cpl character printing command and render correctly in canvas", function(done) {

  //fs is shimmed by browserify
  var buff = fs.readFileSync(__dirname + '/../fixtures/helloworld.png');
  
  /*
    node-canvas impl exports Canvas.Image constructor function
    browserify canvas shim does not support Canvas.Image
  */
  var expected = new Canvas.Image();
  expected.src = buff;
  
  //cpl is the parser instance

  var ctx = cpl.render("111100000000000Hello World!"); //This is some CPL!!!

  expect(imagediff.equal(expected, ctx, 30)).to.be.true; //TODO Review tolerance

});