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<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>
#block2 {
background: red;
}
.my-css-class #block2 {
background: green;
}
</style>
</head>
<body>
<div id="mocha"></div>
<script>mocha.setup('bdd')</script>
<div style="background: red; width: 200px; height:200px;" id="block"></div>
<div style="width: 200px; height:200px;" id="block2"></div>
<script>
describe("options.onclone", function() {
it("with a function", function(done) {
html2canvas(document.querySelector("#block"), {onclone: function(document) {
document.querySelector("#block").style.background = "green";
}}).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
expect(document.querySelector("#block").style.backgroundColor).to.equal("red");
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
it("with a promise", function(done) {
html2canvas(document.querySelector("#block"), {onclone: function(document) {
return new Promise(function(resolve) {
setTimeout(function() {
document.querySelector("#block").style.background = "green";
resolve();
}, 500);
});
}}).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
expect(document.querySelector("#block").style.backgroundColor).to.equal("red");
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
it("add class to node", function(done) {
html2canvas(document.querySelector("#block2"), {onclone: function(document) {
document.documentElement.className = "my-css-class";
}}).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
});
function validCanvasPixels(canvas) {
var ctx = canvas.getContext("2d");
var data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
for (var i = 0, len = data.length; i < len; i+=4) {
if (data[i] !== 0 || data[i+1] !== 128 || data[i+2] !== 0 || data[i+3] !== 255) {
expect().fail("Invalid canvas data");
}
}
}
mocha.checkLeaks();
mocha.globals(['jQuery']);
if (window.mochaPhantomJS) {
mochaPhantomJS.run();
}
else {
mocha.run();
}
mocha.suite.afterAll(function() {
document.body.setAttribute('data-complete', 'true');
});
</script>
</body>
</html>
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