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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>
#block {
width: 200px;
height: 200px;
}
#green-block {
width: 200px;
height: 200px;
background: green;
}
#background-block {
width: 200px;
height: 200px;
background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNgaGD4DwAChAGAJVtEDQAAAABJRU5ErkJggg==) red;
}
#gradient-block {
width: 200px;
height: 200px;
background-image: -webkit-linear-gradient(top, #008000, #008000);
background-image: -moz-linear-gradient(to bottom, #008000, #008000);
background-image: linear-gradient(to bottom, #008000, #008000);
}
</style>
</head>
<body>
<div id="mocha"></div>
<script>mocha.setup('bdd')</script>
<div id="block"></div>
<div id="green-block"></div>
<div id="background-block"></div>
<div id="gradient-block"></div>
<script>
describe("options.background", function() {
it("with hexcolor", function(done) {
html2canvas(document.querySelector("#block"), {background: '#008000'}).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
it("with named color", function(done) {
html2canvas(document.querySelector("#block"), {background: 'green'}).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
it("with element background", function(done) {
html2canvas(document.querySelector("#green-block"), {background: 'red'}).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
});
describe('element background', function() {
it('with background-color', function(done) {
html2canvas(document.querySelector("#green-block")).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
it('with background-image', function(done) {
html2canvas(document.querySelector("#background-block")).then(function(canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function(error) {
done(error);
});
});
it('with gradient background-image', function(done) {
html2canvas(document.querySelector("#gradient-block")).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>
|
