snap.js/test/paper.js

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describe("Check for Paper Creation", function () {
it("creates simple paper 20 × 10", function () {
var s = Snap(20, 10);
var S = s.node;
expect(S).to.not.be(null);
expect(S.getAttribute("width")).to.be("20");
expect(S.getAttribute("height")).to.be("10");
s.remove();
});
it("removal of paper", function () {
var s = Snap(20, 10);
var S = s.node;
expect(S).to.not.be(null);
s.remove();
S = document.querySelectorAll("svg").length;
expect(S).to.be(1);
});
it("creates simple paper 20% × 10em", function () {
var s = Snap("20%", "10em");
var S = s.node;
expect(S).to.not.be(null);
expect(S.getAttribute("width")).to.be("20%");
expect(S.getAttribute("height")).to.be("10em");
s.remove();
});
it("converts existing SVG element to paper", function () {
var S = document.getElementById("svgroot");
var s = Snap(S);
expect(document.querySelector("#svgroot circle")).to.be(null);
var c = s.circle(10, 20, 5);
expect(document.querySelectorAll("#svgroot circle").length).to.be(1);
c.remove();
});
it("converts existing SVG element to paper (as query)", function () {
var S = document.getElementById("svgroot");
var s = Snap("#svgroot");
expect(document.querySelector("#svgroot circle")).to.be(null);
var c = s.circle(10, 20, 5);
expect(document.querySelectorAll("#svgroot circle").length).to.be(1);
c.remove();
});
});
describe("Paper methods", function () {
/*
Paper.el
Paper.filter
Paper.gradient
Paper.image
Paper.toString
*/
var paper;
beforeEach(function () {
paper = Snap(100, 100);
});
afterEach(function () {
paper.remove();
});
it("Paper.el", function() {
var c = paper.el("circle");
expect(c.node.nodeName).to.be("circle");
expect(c.node.parentNode).to.be(paper.node);
});
it("Paper.filter", function() {
var filter = paper.filter('<feGaussianBlur stdDeviation="2"/>');
expect(filter.node.nodeName).to.be('filter');
var child = filter.node.firstChild;
expect(child).to.be.ok();
expect(child.nodeName).to.be('feGaussianBlur');
expect(child.getAttribute("stdDeviation")).to.be('2');
});
it("Paper.gradient - linear", function() {
var gradient = paper.gradient("l(0, 0, 1, 1)#000-#f00-#fff");
expect(gradient.node.nodeName).to.be('linearGradient');
expect(gradient.node.getAttribute('x1')).to.be("0");
expect(gradient.node.getAttribute('y1')).to.be("0");
expect(gradient.node.getAttribute('x2')).to.be("1");
expect(gradient.node.getAttribute('y2')).to.be("1");
var stops = gradient.node.querySelectorAll("stop");
expect(stops.length).to.be(3);
});
it("Paper.gradient - radial", function() {
var gradient = paper.gradient("r(0.3, 0.4, 0.5)#000-#fff");
expect(gradient.node.nodeName).to.be('radialGradient');
expect(gradient.node.getAttribute('cx')).to.be("0.3");
expect(gradient.node.getAttribute('cy')).to.be("0.4");
expect(gradient.node.getAttribute('r')).to.be("0.5");
var stops = gradient.node.querySelectorAll("stop");
expect(stops.length).to.be(2);
});
it("Paper.image", function() {
var image = paper.image('#', 10, 20, 30, 40);
var img = document.querySelector("image");
expect(img).to.not.be(null);
expect(img.getAttribute("x")).to.be("10");
expect(img.getAttribute("y")).to.be("20");
expect(img.getAttribute("width")).to.be("30");
expect(img.getAttribute("height")).to.be("40");
});
it("Paper.toString", function() {
paper.circle(10, 20, 30);
var str = paper.toString();
expect(str).to.match(/.*?<svg.*?>.*?<circle.*?<\/svg>/);
});
});