svgedit/cypress/integration/unit/recalculate.js

154 lines
4.2 KiB
JavaScript

import '../../../instrumented/jquery.min.js';
import {NS} from '../../../instrumented/namespaces.js';
import * as utilities from '../../../instrumented/utilities.js';
import * as coords from '../../../instrumented/coords.js';
import * as recalculate from '../../../instrumented/recalculate.js';
describe('recalculate', function () {
// eslint-disable-next-line no-shadow
const root = document.createElement('div');
root.id = 'root';
root.style.visibility = 'hidden';
const svgroot = document.createElementNS(NS.SVG, 'svg');
svgroot.id = 'svgroot';
root.append(svgroot);
const svg = document.createElementNS(NS.SVG, 'svg');
svgroot.append(svg);
let elemId = 1;
/**
* Initilize modules to set up the tests.
* @returns {void}
*/
function setUp () {
utilities.init(
/**
* @implements {module:utilities.EditorContext}
*/
{
getSVGRoot () { return svg; },
getDOMDocument () { return null; },
getDOMContainer () { return null; }
}
);
coords.init(
/**
* @implements {module:coords.EditorContext}
*/
{
getGridSnapping () { return false; },
getDrawing () {
return {
getNextId () { return String(elemId++); }
};
}
}
);
recalculate.init(
/**
* @implements {module:recalculate.EditorContext}
*/
{
getSVGRoot () { return svg; },
getStartTransform () { return ''; },
setStartTransform () { /* */ }
}
);
}
let elem;
/**
* Initialize for tests and set up `rect` element.
* @returns {void}
*/
function setUpRect () {
setUp();
elem = document.createElementNS(NS.SVG, 'rect');
elem.setAttribute('x', '200');
elem.setAttribute('y', '150');
elem.setAttribute('width', '250');
elem.setAttribute('height', '120');
svg.append(elem);
}
/**
* Initialize for tests and set up `text` element with `tspan` child.
* @returns {void}
*/
function setUpTextWithTspan () {
setUp();
elem = document.createElementNS(NS.SVG, 'text');
elem.setAttribute('x', '200');
elem.setAttribute('y', '150');
const tspan = document.createElementNS(NS.SVG, 'tspan');
tspan.setAttribute('x', '200');
tspan.setAttribute('y', '150');
const theText = 'Foo bar';
tspan.append(theText);
elem.append(tspan);
svg.append(elem);
}
/**
* Tear down the tests (empty the svg element).
* @returns {void}
*/
afterEach(() => {
while (svg.hasChildNodes()) {
svg.firstChild.remove();
}
});
it('Test recalculateDimensions() on rect with identity matrix', function () {
setUpRect();
elem.setAttribute('transform', 'matrix(1,0,0,1,0,0)');
recalculate.recalculateDimensions(elem);
// Ensure that the identity matrix is swallowed and the element has no
// transform on it.
assert.equal(elem.hasAttribute('transform'), false);
});
it('Test recalculateDimensions() on rect with simple translate', function () {
setUpRect();
elem.setAttribute('transform', 'translate(100,50)');
recalculate.recalculateDimensions(elem);
assert.equal(elem.hasAttribute('transform'), false);
assert.equal(elem.getAttribute('x'), '300');
assert.equal(elem.getAttribute('y'), '200');
assert.equal(elem.getAttribute('width'), '250');
assert.equal(elem.getAttribute('height'), '120');
});
it('Test recalculateDimensions() on text w/tspan with simple translate', function () {
setUpTextWithTspan();
elem.setAttribute('transform', 'translate(100,50)');
recalculate.recalculateDimensions(elem);
// Ensure that the identity matrix is swallowed and the element has no
// transform on it.
assert.equal(elem.hasAttribute('transform'), false);
assert.equal(elem.getAttribute('x'), '300');
assert.equal(elem.getAttribute('y'), '200');
const tspan = elem.firstElementChild;
assert.equal(tspan.getAttribute('x'), '300');
assert.equal(tspan.getAttribute('y'), '200');
});
// TODO: Since recalculateDimensions() and surrounding code is
// probably the largest, most complicated and strange piece of
// code in SVG-edit, we need to write a whole lot of unit tests
// for it here.
});