svgedit/test/recalculate_test.js

130 lines
3.3 KiB
JavaScript

/* eslint-env qunit */
/* globals svgedit */
// log function
QUnit.log = function (details) {
if (window.console && window.console.log) {
window.console.log(details.result + ' :: ' + details.message);
}
};
const root = document.getElementById('root');
const svgroot = document.createElementNS(svgedit.NS.SVG, 'svg');
svgroot.id = 'svgroot';
root.appendChild(svgroot);
const svg = document.createElementNS(svgedit.NS.SVG, 'svg');
svgroot.appendChild(svg);
let elemId = 1;
function setUp () {
svgedit.utilities.init({
getSVGRoot () { return svg; },
getDOMDocument () { return null; },
getDOMContainer () { return null; }
});
svgedit.coords.init({
getGridSnapping () { return false; },
getDrawing () {
return {
getNextId () { return '' + elemId++; }
};
}
});
svgedit.recalculate.init({
getSVGRoot () { return svg; },
getStartTransform () { return ''; },
setStartTransform () {}
});
}
let elem;
function setUpRect () {
setUp();
elem = document.createElementNS(svgedit.NS.SVG, 'rect');
elem.setAttribute('x', '200');
elem.setAttribute('y', '150');
elem.setAttribute('width', '250');
elem.setAttribute('height', '120');
svg.appendChild(elem);
}
function setUpTextWithTspan () {
setUp();
elem = document.createElementNS(svgedit.NS.SVG, 'text');
elem.setAttribute('x', '200');
elem.setAttribute('y', '150');
const tspan = document.createElementNS(svgedit.NS.SVG, 'tspan');
tspan.setAttribute('x', '200');
tspan.setAttribute('y', '150');
const theText = document.createTextNode('Foo bar');
tspan.appendChild(theText);
elem.appendChild(tspan);
svg.appendChild(elem);
}
function tearDown () {
while (svg.hasChildNodes()) {
svg.removeChild(svg.firstChild);
}
}
test('Test recalculateDimensions() on rect with identity matrix', function () {
expect(1);
setUpRect();
elem.setAttribute('transform', 'matrix(1,0,0,1,0,0)');
svgedit.recalculate.recalculateDimensions(elem);
// Ensure that the identity matrix is swallowed and the element has no
// transform on it.
equal(false, elem.hasAttribute('transform'));
tearDown();
});
test('Test recalculateDimensions() on rect with simple translate', function () {
expect(5);
setUpRect();
elem.setAttribute('transform', 'translate(100,50)');
svgedit.recalculate.recalculateDimensions(elem);
equal(false, elem.hasAttribute('transform'));
equal('300', elem.getAttribute('x'));
equal('200', elem.getAttribute('y'));
equal('250', elem.getAttribute('width'));
equal('120', elem.getAttribute('height'));
tearDown();
});
test('Test recalculateDimensions() on text w/tspan with simple translate', function () {
expect(5);
setUpTextWithTspan();
elem.setAttribute('transform', 'translate(100,50)');
svgedit.recalculate.recalculateDimensions(elem);
// Ensure that the identity matrix is swallowed and the element has no
// transform on it.
equal(false, elem.hasAttribute('transform'));
equal('300', elem.getAttribute('x'));
equal('200', elem.getAttribute('y'));
const tspan = elem.firstElementChild;
equal('300', tspan.getAttribute('x'));
equal('200', tspan.getAttribute('y'));
tearDown();
});
// 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.