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snap-tests.js
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describe("Snap methods", function () {
it("Snap.Matrix - six params", function () {
var matrix = new Snap.Matrix(1, 2, 3, 4, 5, 6);
expect(matrix).to.eql({
a: 1,
b: 2,
c: 3,
d: 4,
e: 5,
f: 6
});
});
it("Snap.Matrix - SVGMatrix param", function () {
var svgMatrix = new Snap(10, 10).node.createSVGMatrix();
var matrix = new Snap.Matrix(svgMatrix);
expect(matrix).to.eql({
a: 1,
b: 0,
c: 0,
d: 1,
e: 0,
f: 0
});
});
it("Snap.ajax - no postData", function(done) {
var xhr = Snap.ajax('./res/file-for-ajax.txt', function(xhr) {
var responseText = xhr.responseText;
expect(responseText).to.be('success');
expect(this.isContext).to.be(true);
done();
}, {'isContext': true});
expect(xhr).to.be.an('object');
});
it("Snap.ajax - with object postData", function(done) {
var xhr = Snap.ajax('./res/file-for-ajax.txt', {foo: 'bar'}, function(xhr) {
var responseText = xhr.responseText;
expect(responseText).to.be('success');
expect(this.isContext).to.be(true);
done();
}, {'isContext': true});
expect(xhr).to.be.an('object');
});
it("Snap.ajax - with string postData", function(done) {
var xhr = Snap.ajax('./res/file-for-ajax.txt', 'foo=bar', function(xhr) {
var responseText = xhr.responseText;
expect(responseText).to.be('success');
expect(this.isContext).to.be(true);
done();
}, {'isContext': true});
expect(xhr).to.be.an('object');
});
var validateMina = function(minaObj) {
expect(minaObj).to.be.an('object');
expect(minaObj.id).to.be.a('string');
expect(minaObj.duration).to.be.a('function');
expect(minaObj.easing).to.be.a('function');
expect(minaObj.speed).to.be.a('function');
expect(minaObj.status).to.be.a('function');
expect(minaObj.stop).to.be.a('function');
};
it("Snap.animate - numbers, no easing or callback", function(done) {
var n;
var minaObj = Snap.animate(10, 20, function(newN) { n = newN; }, 50);
setTimeout(function() {
expect(n).to.be(20);
done();
}, 100);
validateMina(minaObj);
});
it("Snap.animate - numbers, callback", function(done) {
var n;
var minaObj = Snap.animate(10, 20, function(newN) { n = newN; }, 50, function() {
expect(n).to.be(20);
done();
});
validateMina(minaObj);
});
it("Snap.animate - numbers, easing", function(done) {
var n;
var minaObj = Snap.animate(10, 20, function(newN) { n = newN; }, 50, mina.easeinout);
setTimeout(function() {
expect(n).to.be(20);
done();
}, 100);
validateMina(minaObj);
});
it("Snap.animate - numbers, easing & callback", function(done) {
var n;
var minaObj = Snap.animate(10, 20, function(newN) { n = newN; }, 50, mina.bounce, function() {
expect(n).to.be(20);
done();
});
validateMina(minaObj);
});
it("Snap.animate - arrays, no easing or callback", function(done) {
var n1, n2;
var minaObj = Snap.animate([5, 10], [10, 20], function(nArr) { n1 = nArr[0]; n2 = nArr[1]; }, 50);
setTimeout(function() {
expect(n1).to.be(10);
expect(n2).to.be(20);
done();
}, 100);
validateMina(minaObj);
});
it("Snap.animate - arrays, callback", function(done) {
var n1, n2;
var minaObj = Snap.animate([5, 10], [10, 20], function(nArr) {n1 = nArr[0]; n2 = nArr[1]; }, 50, function() {
expect(n1).to.be(10);
expect(n2).to.be(20);
done();
});
validateMina(minaObj);
});
it("Snap.animate - arrays, easing", function(done) {
var n1, n2;
var minaObj = Snap.animate([5, 10], [10, 20], function(nArr) { n1 = nArr[0]; n2 = nArr[1]; }, 50, mina.easeinout);
setTimeout(function() {
expect(n1).to.be(10);
expect(n2).to.be(20);
done();
}, 100);
validateMina(minaObj);
});
it("Snap.animate - arrays, easing & callback", function(done) {
var n1, n2;
var minaObj = Snap.animate([5, 10], [10, 20], function(nArr) { n1 = nArr[0]; n2 = nArr[1]; }, 50, mina.backin, function() {
expect(n1).to.be(10);
expect(n2).to.be(20);
done();
});
validateMina(minaObj);
});
it("Snap.animation - no easing or callback", function() {
var anim = Snap.animation({ foo: "bar" }, 100);
expect(anim).to.be.an("object");
expect(anim.dur).to.be(100);
expect(anim.attr.foo).to.be("bar");
});
it("Snap.animation - with easing", function() {
var anim = Snap.animation({ foo: "bar" }, 100, mina.easein);
expect(anim).to.be.an("object");
expect(anim.dur).to.be(100);
expect(anim.attr.foo).to.be("bar");
expect(anim.easing).to.be.a("function");
});
it("Snap.animation - with callback", function() {
var cb = function(){};
var anim = Snap.animation({ foo: "bar" }, 100, cb);
expect(anim).to.be.an("object");
expect(anim.dur).to.be(100);
expect(anim.attr.foo).to.be("bar");
expect(anim.callback).to.be.a("function");
});
it("Snap.animation - with easing & callback", function() {
var cb = function(){};
var anim = Snap.animation({ foo: "bar" }, 100, mina.linear, cb);
expect(anim).to.be.an("object");
expect(anim.dur).to.be(100);
expect(anim.attr.foo).to.be("bar");
expect(anim.easing).to.be.a("function");
expect(anim.callback).to.be.a("function");
expect(anim.easing).to.not.be(anim.callback);
});
it("Snap.deg", function() {
expect(Snap.deg(Math.PI)).to.be(180);
expect(Snap.deg(Math.PI / 2)).to.be(90);
expect(Snap.deg(Math.PI / 4)).to.be(45);
expect(Snap.deg(Math.PI * 2)).to.be(0);
});
it("Snap.rad", function() {
expect(Snap.rad(180)).to.be(Math.PI);
expect(Snap.rad(90)).to.be(Math.PI / 2);
expect(Snap.rad(45)).to.be(Math.PI / 4);
expect(Snap.rad(0)).to.be(0);
});
it("Snap.format", function() {
var outputStr;
outputStr = Snap.format("{x}", {x: 1});
expect(outputStr).to.be("1");
outputStr = Snap.format("{a['foo']}", {
a: {
foo: 'bar'
}
});
expect(outputStr).to.be("bar");
outputStr = Snap.format("M{x},{y}h{dim.width}v{dim.height}h{dim['negative width']}z", {
x: 10,
y: 20,
dim: {
width: 40,
height: 50,
"negative width": -40
}
});
expect(outputStr).to.be("M10,20h40v50h-40z");
});
it("Snap.fragment", function() {
var frag = Snap.fragment('<g class="foo"></g>', '<g class="foo2"></g>');
expect(frag).to.be.an("object");
expect(frag.node.childNodes.length).to.be(2);
expect(frag.node.firstChild.nodeName).to.be("g");
expect(frag.node.firstChild.getAttribute("class")).to.be("foo");
expect(frag.node.lastChild.getAttribute("class")).to.be("foo2");
frag = Snap.fragment('<g class="foo"><rect x="0" y="0" width="10" height="10"/></g>');
var rectWidth = frag.select('rect').attr('width');
expect(rectWidth).to.be("10");
});
it("Snap.is", function() {
var undef;
expect(Snap.is("foo", "string")).to.be.ok();
expect(Snap.is(123, "number")).to.be.ok();
expect(Snap.is({}, "object")).to.be.ok();
expect(Snap.is([], "array")).to.be.ok();
expect(Snap.is([], "object")).to.be.ok();
expect(Snap.is(null, "null")).to.be.ok();
expect(Snap.is(false, "boolean")).to.be.ok();
expect(Snap.is(undef, "undefined")).to.be.ok();
expect(Snap.is(function(){}, "function")).to.be.ok();
expect(Snap.is(function(){}, "object")).to.be.ok();
});
it("Snap.load - with context", function(done) {
Snap.load('./res/external-svg.svg', function(fragment) {
expect(fragment.node.querySelector("svg")).to.not.be(null);
expect(this.myContext).to.be(true);
done();
}, {myContext: true});
});
it("Snap.load - without context", function(done) {
Snap.load('./res/external-svg.svg', function(fragment) {
expect(fragment.node.querySelector("svg")).to.not.be(null);
done();
});
});
it("Snap.parse", function() {
var frag = Snap.parse('<g class="foo"></g>');
expect(frag).to.be.an("object");
expect(frag.node.childNodes.length).to.be(1);
expect(frag.node.firstChild.nodeName).to.be("g");
expect(frag.node.firstChild.getAttribute("class")).to.be("foo");
frag = Snap.parse('<g class="foo"><rect x="0" y="0" width="10" height="10"/></g>');
var rectWidth = frag.select('rect').attr('width');
expect(rectWidth).to.be("10");
});
it("Snap.parsePathString - string", function() {
var pathArrs = Snap.parsePathString(
"M1 2" +
"m3 4" +
"L 5, 6" +
"l 7, 8" +
"H 9" +
"h 10" +
"V 11" +
"v 12" +
"C 13 14, 15 16, 17 18" +
"c 19 20, 21 22, 23 24" +
"S 25 26, 27 28" +
"s 29 30, 31 32" +
"Q 33 34, 35 36" +
"q 37 38, 39 40" +
"T 41 42" +
"t 43 44" +
"A 45 46 47 0 1 48 49" +
"a 50 51 52 1 0 53 54" +
"Z");
expect(pathArrs[0]).to.eql(["M", 1, 2]);
expect(pathArrs[1]).to.eql(["m", 3, 4]);
expect(pathArrs[2]).to.eql(["L", 5, 6]);
expect(pathArrs[3]).to.eql(["l", 7, 8]);
expect(pathArrs[4]).to.eql(["H", 9]);
expect(pathArrs[5]).to.eql(["h", 10]);
expect(pathArrs[6]).to.eql(["V", 11]);
expect(pathArrs[7]).to.eql(["v", 12]);
expect(pathArrs[8]).to.eql(["C", 13, 14, 15, 16, 17, 18]);
expect(pathArrs[9]).to.eql(["c", 19, 20, 21, 22, 23, 24]);
expect(pathArrs[10]).to.eql(["S", 25, 26, 27, 28]);
expect(pathArrs[11]).to.eql(["s", 29, 30, 31, 32]);
expect(pathArrs[12]).to.eql(["Q", 33, 34, 35, 36]);
expect(pathArrs[13]).to.eql(["q", 37, 38, 39, 40]);
expect(pathArrs[14]).to.eql(["T", 41, 42]);
expect(pathArrs[15]).to.eql(["t", 43, 44]);
expect(pathArrs[16]).to.eql(["A", 45, 46, 47, 0, 1, 48, 49]);
expect(pathArrs[17]).to.eql(["a", 50, 51, 52, 1, 0, 53, 54]);
expect(pathArrs[18]).to.eql(["Z"]);
});
it("Snap.parsePathString - array", function() {
var pathArrs = Snap.parsePathString(["M1 2"]);
expect(pathArrs[0]).to.eql(["M", 1, 2]);
});
it("Snap.parseTransformString - string", function() {
var matrix = new Snap.Matrix(1, 0, 0, 2, 0, 0);
var str = matrix.toTransformString();
var output = Snap.parseTransformString(str);
expect(output[0]).to.eql(['s', 1, 2, 0, 0]);
});
it("Snap.parseTransformString - array", function() {
var output = Snap.parseTransformString(['s', 1, 2, 0, 0]);
expect(output[0]).to.eql(['s', 1, 2, 0, 0]);
});
it("Snap.select", function() {
var s = Snap(10, 10);
var group1 = s.group();
var group2 = s.group();
var group3 = s.group();
var circle1 = s.circle(10, 20, 30).attr({
'class': 'circle-one'
});
var circle2 = s.circle(5, 10, 25).attr({
'class': 'circle-two'
});
group1.add(group2);
group2.add(group3);
group2.add(circle1);
group3.add(circle2);
var c1 = Snap.select('.circle-one');
expect(circle1).to.be(c1);
var c2 = Snap.select('.circle-two');
expect(circle2).to.be(c2);
s.remove();
});
it("Snap.selectAll", function() {
var s = Snap(10, 10);
var group1 = s.group();
var group2 = s.group();
var group3 = s.group();
var circle1 = s.circle(10, 20, 30).attr({
'class': 'circle-one'
});
var circle2 = s.circle(5, 10, 25).attr({
'class': 'circle-two'
});
group1.add(group2);
group2.add(group3);
group2.add(circle1);
group3.add(circle2);
var circles = Snap.selectAll('circle');
expect(circles.length).to.be(2);
expect(circles).to.contain(circle1);
expect(circles).to.contain(circle2);
s.remove();
});
it("Snap.snapTo - number, no tolerance", function() {
expect(Snap.snapTo(100, -5)).to.be(0);
expect(Snap.snapTo(100, 0.0001)).to.be(0);
expect(Snap.snapTo(100, 9)).to.be(0);
expect(Snap.snapTo(100, 50)).to.be(50);
expect(Snap.snapTo(100, 75)).to.be(75);
expect(Snap.snapTo(100, 90)).to.be(90);
expect(Snap.snapTo(100, 91)).to.be(100);
expect(Snap.snapTo(100, 95)).to.be(100);
expect(Snap.snapTo(100, 1204)).to.be(1200);
});
it("Snap.snapTo - array, no tolerance", function() {
var grid = [0, 55, 200];
expect(Snap.snapTo(grid, -5)).to.be(0);
expect(Snap.snapTo(grid, 0.0001)).to.be(0);
expect(Snap.snapTo(grid, 9)).to.be(0);
expect(Snap.snapTo(grid, 50)).to.be(55);
expect(Snap.snapTo(grid, 75)).to.be(75);
expect(Snap.snapTo(grid, 90)).to.be(90);
expect(Snap.snapTo(grid, 91)).to.be(91);
expect(Snap.snapTo(grid, 195)).to.be(200);
expect(Snap.snapTo(grid, 1204)).to.be(1204);
});
it("Snap.snapTo - number, with tolerance", function() {
expect(Snap.snapTo(100, 95, 0)).to.be(95);
expect(Snap.snapTo(100, 95, 5)).to.be(95);
expect(Snap.snapTo(100, 95, 6)).to.be(100);
expect(Snap.snapTo(100, 105, 6)).to.be(100);
expect(Snap.snapTo(100, 105, 5)).to.be(105);
expect(Snap.snapTo(100, 105, 0)).to.be(105);
// expect(Snap.snapTo(10, 19, 50)).to.be(20); // TODO: Find out what tolerance > grid should do
});
it("Snap.snapTo - array, with tolerance", function() {
var grid = [0, 55, 200];
expect(Snap.snapTo(grid, -5, 20)).to.be(0);
expect(Snap.snapTo(grid, -5, 3)).to.be(-5);
expect(Snap.snapTo(grid, 0.0001, 0.00001)).to.be(0.0001);
expect(Snap.snapTo(grid, 0.0001, 1)).to.be(0);
expect(Snap.snapTo(grid, 9, 9)).to.be(0);
expect(Snap.snapTo(grid, 9, 10.5)).to.be(0);
expect(Snap.snapTo(grid, 50, 6)).to.be(55);
expect(Snap.snapTo(grid, 50, 1)).to.be(50);
expect(Snap.snapTo(grid, 201, 0.5)).to.be(201);
expect(Snap.snapTo(grid, 199, 1)).to.be(200);
expect(Snap.snapTo(grid, 299, 100)).to.be(200);
});
it("Snap.path.getBBox", function() {
// same as 10,20,30,40 rect
var bbox = Snap.path.getBBox("M10,20h30v40h-30z");
expect(bbox.x).to.eql(10);
expect(bbox.y).to.eql(20);
expect(bbox.width).to.eql(30);
expect(bbox.height).to.eql(40);
expect(bbox.x2).to.eql(10 + 30);
expect(bbox.y2).to.eql(20 + 40);
});
it("Snap.angle - 2 points", function() {
var angle = Snap.angle(0, 0, 10, 10);
expect(angle).to.not.be(0);
expect(angle % 45).to.be(0);
angle = Snap.angle(0, 0, 10, 0);
expect(angle % 90).to.be(0);
});
it("Snap.angle - 3 points", function() {
var angle = Snap.angle(10, 0, 0, 10, 0, 0);
expect(angle).to.not.be(0);
expect(angle % 45).to.be(0);
angle = Snap.angle(10, 0, 0, 10, 0, 0);
expect(Math.abs(angle)).to.be(90);
});
});