mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
72 lines
2.5 KiB
HTML
72 lines
2.5 KiB
HTML
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<html>
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<head>
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<meta charset="utf-8">
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<title>Mocha Tests</title>
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<link rel="stylesheet" href="lib/mocha.css" />
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<script src="../../dist/html2canvas.js"></script>
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<script src="../assets/jquery-1.6.2.js"></script>
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<script src="lib/expect.js"></script>
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<script src="lib/mocha.js"></script>
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</head>
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<body>
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<div id="mocha"></div>
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<script>mocha.setup('bdd')</script>
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<div style="background: red; width: 200px; height:200px;" id="block"></div>
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<script>
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describe("options.onclone", function() {
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it("with a function", function(done) {
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html2canvas(document.querySelector("#block"), {onclone: function(document) {
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document.querySelector("#block").style.background = "green";
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}}).then(function(canvas) {
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expect(canvas.width).to.equal(200);
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expect(canvas.height).to.equal(200);
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expect(document.querySelector("#block").style.backgroundColor).to.equal("red");
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validCanvasPixels(canvas);
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done();
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}).catch(function(error) {
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done(error);
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});
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});
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it("with a promise", function(done) {
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html2canvas(document.querySelector("#block"), {onclone: function(document) {
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return new Promise(function(resolve) {
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setTimeout(function() {
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document.querySelector("#block").style.background = "green";
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resolve();
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}, 500);
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});
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}}).then(function(canvas) {
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expect(canvas.width).to.equal(200);
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expect(canvas.height).to.equal(200);
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expect(document.querySelector("#block").style.backgroundColor).to.equal("red");
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validCanvasPixels(canvas);
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done();
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}).catch(function(error) {
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done(error);
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});
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});
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});
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function validCanvasPixels(canvas) {
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var ctx = canvas.getContext("2d");
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var data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
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for (var i = 0, len = data.length; i < len; i+=4) {
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if (data[i] !== 0 || data[i+1] !== 128 || data[i+2] !== 0 || data[i+3] !== 255) {
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expect().fail("Invalid canvas data");
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}
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}
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}
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mocha.checkLeaks();
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mocha.globals(['jQuery']);
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if (window.mochaPhantomJS) {
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mochaPhantomJS.run();
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}
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else {
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mocha.run();
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}
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</script>
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</body>
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</html>
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