<html>
<head>
<meta charset="utf-8">
<title>Mocha Tests</title>
<link rel="stylesheet" href="lib/mocha.css" />
<script src="../../node_modules/bluebird/js/browser/bluebird.js"></script>
<script src="../../dist/html2canvas.js"></script>
<script src="../assets/jquery-1.6.2.js"></script>
<script src="lib/expect.js"></script>
<script src="lib/mocha.js"></script>
<style>
#block {
width: 200px;
height: 200px;
}
#green-block {
width: 200px;
height: 200px;
background: green;
}
</style>
</head>
<body>
<div id="mocha"></div>
<div id="block"></div>
<div id="green-block"></div>
<script>mocha.setup('bdd')</script>
<script>
describe("Multiple renders", function() {
it("render correctly", function(done) {
this.timeout(10000);
var d = 0;
var count = 3;
for (var i = 0; i < count; i++) {
html2canvas(document.querySelector('#green-block')).then(function (canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
canvas.width = canvas.height = 10;
d++;
if (d === count) {
done();
}
});
}
});
it("render correctly when non sequential", function(done) {
this.timeout(10000);
var d = 0;
var count = 3;
for (var i = 0; i < count; i++) {
html2canvas(document.querySelector('#block'), {onclone: function(document) {
return new Promise(function(resolve) {
document.querySelector('#block').style.backgroundColor = 'green';
setTimeout(function() {
resolve();
}, 100);
});
}}).then(function (canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
canvas.width = canvas.height = 10;
d++;
if (d === count) {
done();
}
});
}
});
});
function validCanvasPixels(canvas) {
var ctx = canvas.getContext("2d");
var data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
for (var i = 0, len = 200*199*4; i < len; i+=4) {
if (data[i] !== 0 || data[i+1] !== 128 || data[i+2] !== 0 || data[i+3] !== 255) {
console.log(i, data[i], data[i+1], data[i+2], data[i+3]);
expect().fail("Invalid canvas data");
}
}
}
mocha.suite.afterAll(function() {
document.body.setAttribute('data-complete', 'true');
});
mocha.checkLeaks();
mocha.globals(['jQuery']);
if (window.mochaPhantomJS) {
mochaPhantomJS.run();
}
else {
mocha.run();
}
</script>
</body>
</html>