svgedit/cypress/integration/unit/svgtransformlist.js

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import $ from 'jquery';
window.$ = $;
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import { NS } from '../../../instrumented/common/namespaces.js';
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import * as transformlist from '../../../instrumented/svgcanvas/svgtransformlist.js';
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import { disableSupportsNativeTransformLists } from '../../../instrumented/common/browser.js';
import almostEqualsPlugin from '../../support/assert-almostEquals.js';
import expectOutOfBoundsExceptionPlugin from '../../support/assert-expectOutOfBoundsException.js';
chai.use(almostEqualsPlugin);
chai.use(expectOutOfBoundsExceptionPlugin);
describe('svgtransformlist', function () {
disableSupportsNativeTransformLists();
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let svgroot; let svgcontent; let rect; let circle;
/**
* Set up tests, adding elements.
* @returns {void}
*/
beforeEach(() => {
document.body.textContent = '';
svgroot = document.createElement('div');
svgroot.id = 'svgroot';
svgroot.style.visibility = 'hidden';
document.body.append(svgroot);
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svgcontent = document.createElementNS(NS.SVG, 'svg');
svgroot.append(svgcontent);
rect = document.createElementNS(NS.SVG, 'rect');
svgcontent.append(rect);
rect.id = 'r';
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circle = document.createElementNS(NS.SVG, 'circle');
svgcontent.append(circle);
circle.id = 'c';
});
/**
* Tear down tests, emptying SVG root, and resetting list map.
* @returns {void}
*/
afterEach(() => {
transformlist.resetListMap();
while (svgroot.hasChildNodes()) {
svgroot.firstChild.remove();
}
});
it('Test svgedit.transformlist package', function () {
assert.ok(transformlist);
assert.ok(transformlist.getTransformList);
});
it('Test svgedit.transformlist.getTransformList() function', function () {
const rxform = transformlist.getTransformList(rect);
const cxform = transformlist.getTransformList(circle);
assert.ok(rxform);
assert.ok(cxform);
assert.equal(typeof rxform, typeof {});
assert.equal(typeof cxform, typeof {});
});
it('Test SVGTransformList.numberOfItems property', function () {
const rxform = transformlist.getTransformList(rect);
assert.equal(typeof rxform.numberOfItems, typeof 0);
assert.equal(rxform.numberOfItems, 0);
});
it('Test SVGTransformList.initialize()', function () {
const rxform = transformlist.getTransformList(rect);
const cxform = transformlist.getTransformList(circle);
const t = svgcontent.createSVGTransform();
assert.ok(t);
assert.ok(rxform.initialize);
assert.equal(typeof rxform.initialize, typeof function () { /* empty fn */ });
rxform.initialize(t);
assert.equal(rxform.numberOfItems, 1);
assert.equal(cxform.numberOfItems, 0);
// If a transform was already in a transform list, this should
// remove it from its old list and add it to this list.
cxform.initialize(t);
// This also fails in Firefox native.
// assert.equal(rxform.numberOfItems, 0, 'Did not remove transform from list before initializing another transformlist');
assert.equal(cxform.numberOfItems, 1);
});
it('Test SVGTransformList.appendItem() and getItem()', function () {
const rxform = transformlist.getTransformList(rect);
const cxform = transformlist.getTransformList(circle);
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const t1 = svgcontent.createSVGTransform();
const t2 = svgcontent.createSVGTransform();
const t3 = svgcontent.createSVGTransform();
assert.ok(rxform.appendItem);
assert.ok(rxform.getItem);
assert.equal(typeof rxform.appendItem, typeof function () { /* empty fn */ });
assert.equal(typeof rxform.getItem, typeof function () { /* empty fn */ });
rxform.appendItem(t1);
rxform.appendItem(t2);
rxform.appendItem(t3);
assert.equal(rxform.numberOfItems, 3);
const rxf = rxform.getItem(0);
assert.equal(rxf, t1);
assert.equal(rxform.getItem(1), t2);
assert.equal(rxform.getItem(2), t3);
assert.expectOutOfBoundsException(rxform, 'getItem', -1);
assert.expectOutOfBoundsException(rxform, 'getItem', 3);
cxform.appendItem(t1);
// These also fail in Firefox native.
// assert.equal(rxform.numberOfItems, 2, 'Did not remove a transform from a list before appending it to a new transformlist');
// assert.equal(rxform.getItem(0), t2, 'Found the wrong transform in a transformlist');
// assert.equal(rxform.getItem(1), t3, 'Found the wrong transform in a transformlist');
assert.equal(cxform.numberOfItems, 1);
assert.equal(cxform.getItem(0), t1);
});
it('Test SVGTransformList.removeItem()', function () {
const rxform = transformlist.getTransformList(rect);
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const t1 = svgcontent.createSVGTransform();
const t2 = svgcontent.createSVGTransform();
assert.ok(rxform.removeItem);
assert.equal(typeof rxform.removeItem, typeof function () { /* empty fn */ });
rxform.appendItem(t1);
rxform.appendItem(t2);
const removedTransform = rxform.removeItem(0);
assert.equal(rxform.numberOfItems, 1);
assert.equal(removedTransform, t1);
assert.equal(rxform.getItem(0), t2);
assert.expectOutOfBoundsException(rxform, 'removeItem', -1);
assert.expectOutOfBoundsException(rxform, 'removeItem', 1);
});
it('Test SVGTransformList.replaceItem()', function () {
const rxform = transformlist.getTransformList(rect);
const cxform = transformlist.getTransformList(circle);
assert.ok(rxform.replaceItem);
assert.equal(typeof rxform.replaceItem, typeof function () { /* empty fn */ });
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const t1 = svgcontent.createSVGTransform();
const t2 = svgcontent.createSVGTransform();
const t3 = svgcontent.createSVGTransform();
rxform.appendItem(t1);
rxform.appendItem(t2);
cxform.appendItem(t3);
const newItem = rxform.replaceItem(t3, 0);
assert.equal(rxform.numberOfItems, 2);
assert.equal(newItem, t3);
assert.equal(rxform.getItem(0), t3);
assert.equal(rxform.getItem(1), t2);
// Fails in Firefox native
// assert.equal(cxform.numberOfItems, 0);
// test replaceItem within a list
rxform.appendItem(t1);
rxform.replaceItem(t1, 0);
// Fails in Firefox native
// assert.equal(rxform.numberOfItems, 2);
assert.equal(rxform.getItem(0), t1);
assert.equal(rxform.getItem(1), t2);
});
it('Test SVGTransformList.insertItemBefore()', function () {
const rxform = transformlist.getTransformList(rect);
const cxform = transformlist.getTransformList(circle);
assert.ok(rxform.insertItemBefore);
assert.equal(typeof rxform.insertItemBefore, typeof function () { /* empty fn */ });
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const t1 = svgcontent.createSVGTransform();
const t2 = svgcontent.createSVGTransform();
const t3 = svgcontent.createSVGTransform();
rxform.appendItem(t1);
rxform.appendItem(t2);
cxform.appendItem(t3);
const newItem = rxform.insertItemBefore(t3, 0);
assert.equal(rxform.numberOfItems, 3);
assert.equal(newItem, t3);
assert.equal(rxform.getItem(0), t3);
assert.equal(rxform.getItem(1), t1);
assert.equal(rxform.getItem(2), t2);
// Fails in Firefox native
// assert.equal(cxform.numberOfItems, 0);
rxform.insertItemBefore(t2, 1);
// Fails in Firefox native (they make copies of the transforms)
// assert.equal(rxform.numberOfItems, 3);
assert.equal(rxform.getItem(0), t3);
assert.equal(rxform.getItem(1), t2);
assert.equal(rxform.getItem(2), t1);
});
it('Test SVGTransformList.init() for translate(200,100)', function () {
rect.setAttribute('transform', 'translate(200,100)');
const rxform = transformlist.getTransformList(rect);
assert.equal(rxform.numberOfItems, 1);
const translate = rxform.getItem(0);
assert.equal(translate.type, 2);
const m = translate.matrix;
assert.equal(m.a, 1);
assert.equal(m.b, 0);
assert.equal(m.c, 0);
assert.equal(m.d, 1);
assert.equal(m.e, 200);
assert.equal(m.f, 100);
});
it('Test SVGTransformList.init() for scale(4)', function () {
rect.setAttribute('transform', 'scale(4)');
const rxform = transformlist.getTransformList(rect);
assert.equal(rxform.numberOfItems, 1);
const scale = rxform.getItem(0);
assert.equal(scale.type, 3);
const m = scale.matrix;
assert.equal(m.a, 4);
assert.equal(m.b, 0);
assert.equal(m.c, 0);
assert.equal(m.d, 4);
assert.equal(m.e, 0);
assert.equal(m.f, 0);
});
it('Test SVGTransformList.init() for scale(4,3)', function () {
rect.setAttribute('transform', 'scale(4,3)');
const rxform = transformlist.getTransformList(rect);
assert.equal(rxform.numberOfItems, 1);
const scale = rxform.getItem(0);
assert.equal(scale.type, 3);
const m = scale.matrix;
assert.equal(m.a, 4);
assert.equal(m.b, 0);
assert.equal(m.c, 0);
assert.equal(m.d, 3);
assert.equal(m.e, 0);
assert.equal(m.f, 0);
});
it('Test SVGTransformList.init() for rotate(45)', function () {
rect.setAttribute('transform', 'rotate(45)');
const rxform = transformlist.getTransformList(rect);
assert.equal(rxform.numberOfItems, 1);
const rotate = rxform.getItem(0);
assert.equal(rotate.type, 4);
assert.equal(rotate.angle, 45);
const m = rotate.matrix;
assert.almostEquals(1 / Math.sqrt(2), m.a);
assert.almostEquals(1 / Math.sqrt(2), m.b);
assert.almostEquals(-1 / Math.sqrt(2), m.c);
assert.almostEquals(1 / Math.sqrt(2), m.d);
assert.equal(m.e, 0);
assert.equal(m.f, 0);
});
it('Test SVGTransformList.init() for rotate(45, 100, 200)', function () {
rect.setAttribute('transform', 'rotate(45, 100, 200)');
const rxform = transformlist.getTransformList(rect);
assert.equal(rxform.numberOfItems, 1);
const rotate = rxform.getItem(0);
assert.equal(rotate.type, 4);
assert.equal(rotate.angle, 45);
const m = rotate.matrix;
assert.almostEquals(m.a, 1 / Math.sqrt(2));
assert.almostEquals(m.b, 1 / Math.sqrt(2));
assert.almostEquals(m.c, -1 / Math.sqrt(2));
assert.almostEquals(m.d, 1 / Math.sqrt(2));
const r = svgcontent.createSVGMatrix();
r.a = 1 / Math.sqrt(2); r.b = 1 / Math.sqrt(2);
r.c = -1 / Math.sqrt(2); r.d = 1 / Math.sqrt(2);
const t = svgcontent.createSVGMatrix();
t.e = -100; t.f = -200;
const t_ = svgcontent.createSVGMatrix();
t_.e = 100; t_.f = 200;
const result = t_.multiply(r).multiply(t);
assert.almostEquals(m.e, result.e);
assert.almostEquals(m.f, result.f);
});
it('Test SVGTransformList.init() for matrix(1, 2, 3, 4, 5, 6)', function () {
rect.setAttribute('transform', 'matrix(1,2,3,4,5,6)');
const rxform = transformlist.getTransformList(rect);
assert.equal(rxform.numberOfItems, 1);
const mt = rxform.getItem(0);
assert.equal(mt.type, 1);
const m = mt.matrix;
assert.equal(m.a, 1);
assert.equal(m.b, 2);
assert.equal(m.c, 3);
assert.equal(m.d, 4);
assert.equal(m.e, 5);
assert.equal(m.f, 6);
});
});