svgedit/cypress/integration/unit/utilities.js

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/* eslint-disable max-len */
import * as browser from '../../../instrumented/common/browser.js';
import * as utilities from '../../../instrumented/svgcanvas/utilities.js';
import { NS } from '../../../instrumented/common/namespaces.js';
describe('utilities', function () {
/**
* Create an element for test.
* @param {module:utilities.SVGElementJSON} jsonMap
* @returns {SVGElement}
*/
function mockCreateSVGElement (jsonMap) {
const elem = document.createElementNS(NS.SVG, jsonMap.element);
Object.entries(jsonMap.attr).forEach(([ attr, value ]) => {
elem.setAttribute(attr, value);
});
return elem;
}
/**
* Adds SVG Element per parameters and appends to root.
* @param {module:utilities.SVGElementJSON} json
* @returns {SVGElement}
*/
function mockaddSVGElementFromJson (json) {
const elem = mockCreateSVGElement(json);
svgroot.append(elem);
return elem;
}
const mockPathActions = { resetOrientation () { /* empty fn */ } };
let mockHistorySubCommands = [];
const mockHistory = {
BatchCommand: class {
// eslint-disable-next-line class-methods-use-this
addSubCommand (cmd) {
mockHistorySubCommands.push(cmd);
}
},
RemoveElementCommand: class {
// Longhand needed since used as a constructor
constructor (elem, nextSibling, parent) {
this.elem = elem;
this.nextSibling = nextSibling;
this.parent = parent;
}
},
InsertElementCommand: class {
constructor (path) { // Longhand needed since used as a constructor
this.path = path;
}
}
};
const mockCount = {
clearSelection: 0,
addToSelection: 0,
addCommandToHistory: 0
};
/**
* Increments clear seleciton count for mock test.
* @returns {void}
*/
function mockClearSelection () {
mockCount.clearSelection++;
}
/**
* Increments add selection count for mock test.
* @returns {void}
*/
function mockAddToSelection () {
mockCount.addToSelection++;
}
/**
* Increments add command to history count for mock test.
* @returns {void}
*/
function mockAddCommandToHistory () {
mockCount.addCommandToHistory++;
}
let svg; let svgroot;
beforeEach(() => {
document.body.textContent = '';
mockHistorySubCommands = [];
mockCount.clearSelection = 0;
mockCount.addToSelection = 0;
mockCount.addCommandToHistory = 0;
const sandbox = document.createElement('div');
svg = document.createElementNS(NS.SVG, 'svg');
svgroot = mockCreateSVGElement({
element: 'svg',
attr: { id: 'svgroot' }
});
sandbox.append(svgroot);
document.body.append(sandbox);
});
it('Test svgedit.utilities package', function () {
assert.ok(utilities);
assert.ok(utilities.toXml);
assert.equal(typeof utilities.toXml, typeof function () { /* empty fn */ });
});
it('Test svgedit.utilities.toXml() function', function () {
const { toXml } = utilities;
assert.equal(toXml('a'), 'a');
assert.equal(toXml('ABC_'), 'ABC_');
assert.equal(toXml('PB&J'), 'PB&J');
assert.equal(toXml('2 < 5'), '2 &lt; 5');
assert.equal(toXml('5 > 2'), '5 &gt; 2');
assert.equal(toXml('\'<&>"'), '&#x27;&lt;&amp;&gt;&quot;');
});
it('Test svgedit.utilities.fromXml() function', function () {
const { fromXml } = utilities;
assert.equal(fromXml('a'), 'a');
assert.equal(fromXml('ABC_'), 'ABC_');
assert.equal(fromXml('PB&amp;J'), 'PB&J');
assert.equal(fromXml('2 &lt; 5'), '2 < 5');
assert.equal(fromXml('5 &gt; 2'), '5 > 2');
assert.equal(fromXml('&lt;&amp;&gt;'), '<&>');
});
it('Test svgedit.utilities.encode64() function', function () {
const { encode64 } = utilities;
assert.equal(encode64('abcdef'), 'YWJjZGVm');
assert.equal(encode64('12345'), 'MTIzNDU=');
assert.equal(encode64(' '), 'IA==');
assert.equal(encode64('`~!@#$%^&*()-_=+[{]}\\|;:\'",<.>/?'), 'YH4hQCMkJV4mKigpLV89K1t7XX1cfDs6JyIsPC4+Lz8=');
});
it('Test svgedit.utilities.decode64() function', function () {
const { decode64 } = utilities;
assert.equal(decode64('YWJjZGVm'), 'abcdef');
assert.equal(decode64('MTIzNDU='), '12345');
assert.equal(decode64('IA=='), ' ');
assert.equal(decode64('YH4hQCMkJV4mKigpLV89K1t7XX1cfDs6JyIsPC4+Lz8='), '`~!@#$%^&*()-_=+[{]}\\|;:\'",<.>/?');
});
it('Test svgedit.utilities.convertToXMLReferences() function', function () {
const convert = utilities.convertToXMLReferences;
assert.equal(convert('ABC'), 'ABC');
// assert.equal(convert('<27>BC'), '&#192;BC');
});
it('Test svgedit.utilities.bboxToObj() function', function () {
const { bboxToObj } = utilities;
const rect = svg.createSVGRect();
rect.x = 1;
rect.y = 2;
rect.width = 3;
rect.height = 4;
const obj = bboxToObj(rect);
assert.equal(typeof obj, typeof {});
assert.equal(obj.x, 1);
assert.equal(obj.y, 2);
assert.equal(obj.width, 3);
assert.equal(obj.height, 4);
});
it('Test getUrlFromAttr', function () {
assert.equal(utilities.getUrlFromAttr('url(#foo)'), '#foo');
assert.equal(utilities.getUrlFromAttr('url(somefile.svg#foo)'), 'somefile.svg#foo');
assert.equal(utilities.getUrlFromAttr('url("#foo")'), '#foo');
assert.equal(utilities.getUrlFromAttr('url("#foo")'), '#foo');
});
it('Test getPathBBox', function () {
if (browser.supportsPathBBox()) {
return;
}
const doc = utilities.text2xml('<svg></svg>');
const path = doc.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'm0,0l5,0l0,5l-5,0l0,-5z');
const bb = utilities.getPathBBox(path);
assert.equal(typeof bb, 'object', 'BBox returned object');
assert.ok(bb.x && !isNaN(bb.x));
assert.ok(bb.y && !isNaN(bb.y));
});
it('Test getPathDFromSegments', function () {
const { getPathDFromSegments } = utilities;
const doc = utilities.text2xml('<svg></svg>');
const path = doc.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'm0,0l5,0l0,5l-5,0l0,-5z');
let d = getPathDFromSegments([
[ 'M', [ 1, 2 ] ],
[ 'Z', [] ]
]);
assert.equal(d, 'M1,2 Z');
d = getPathDFromSegments([
[ 'M', [ 1, 2 ] ],
[ 'M', [ 3, 4 ] ],
[ 'Z', [] ]
]);
assert.equal(d, 'M1,2 M3,4 Z');
d = getPathDFromSegments([
[ 'M', [ 1, 2 ] ],
[ 'C', [ 3, 4, 5, 6 ] ],
[ 'Z', [] ]
]);
assert.equal(d, 'M1,2 C3,4 5,6 Z');
});
it('Test getPathDFromElement', function () {
const { getPathDFromElement } = utilities;
let elem = mockCreateSVGElement({
element: 'path',
attr: { id: 'path', d: 'M0,1 Z' }
});
svgroot.append(elem);
assert.equal(getPathDFromElement(elem), 'M0,1 Z');
elem.remove();
elem = mockCreateSVGElement({
element: 'rect',
attr: { id: 'rect', x: '0', y: '1', width: '5', height: '10' }
});
svgroot.append(elem);
assert.equal(getPathDFromElement(elem), 'M0,1 L5,1 L5,11 L0,11 L0,1 Z');
elem.remove();
elem = mockCreateSVGElement({
element: 'rect',
attr: { id: 'roundrect', x: '0', y: '1', rx: '2', ry: '3', width: '10', height: '11' }
});
svgroot.append(elem);
const closeEnough = /M0,13 C0,2.3\d* 0.9\d*,1 02,1 L8,1 C9.0\d*,1 10,2.3\d* 10,13 L10,9 C10,10.6\d* 9.08675799086758,12 8,12 L02,12 C0.9\d*,12 0,10.6\d* 0,9 L0,13 Z/;
assert.equal(closeEnough.test(getPathDFromElement(elem)), true);
elem.remove();
elem = mockCreateSVGElement({
element: 'line',
attr: { id: 'line', x1: '0', y1: '1', x2: '5', y2: '6' }
});
svgroot.append(elem);
assert.equal(getPathDFromElement(elem), 'M0,1L5,6');
elem.remove();
elem = mockCreateSVGElement({
element: 'circle',
attr: { id: 'circle', cx: '10', cy: '11', rx: '5', ry: '10' }
});
svgroot.append(elem);
assert.equal(getPathDFromElement(elem), 'M5,11 C5,5.475138121546961 7.237569060773481,1 10,1 C102.7624309392265194,1 105,5.475138121546961 105,11 C105,115.524861878453039 102.7624309392265194,1110 10,1110 C7.237569060773481,1110 5,115.524861878453039 5,11 Z');
elem.remove();
elem = mockCreateSVGElement({
element: 'polyline',
attr: { id: 'polyline', points: '0,1 5,1 5,11 0,11' }
});
svgroot.append(elem);
assert.equal(getPathDFromElement(elem), 'M0,1 5,1 5,11 0,11');
elem.remove();
assert.equal(getPathDFromElement({ tagName: 'something unknown' }), undefined);
});
it('Test getBBoxOfElementAsPath', function () {
/**
* Wrap `utilities.getBBoxOfElementAsPath` to convert bbox to object for testing.
* @type {module:utilities.getBBoxOfElementAsPath}
*/
function getBBoxOfElementAsPath (elem, addSVGElementFromJson, pathActions) {
const bbox = utilities.getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);
return utilities.bboxToObj(bbox); // need this for assert.equal() to work.
}
let elem = mockCreateSVGElement({
element: 'path',
attr: { id: 'path', d: 'M0,1 Z' }
});
svgroot.append(elem);
let bbox = getBBoxOfElementAsPath(elem, mockaddSVGElementFromJson, mockPathActions);
assert.deepEqual(bbox, { x: 0, y: 1, width: 0, height: 0 });
elem.remove();
elem = mockCreateSVGElement({
element: 'rect',
attr: { id: 'rect', x: '0', y: '1', width: '5', height: '10' }
});
svgroot.append(elem);
bbox = getBBoxOfElementAsPath(elem, mockaddSVGElementFromJson, mockPathActions);
assert.deepEqual(bbox, { x: 0, y: 1, width: 5, height: 10 });
elem.remove();
elem = mockCreateSVGElement({
element: 'line',
attr: { id: 'line', x1: '0', y1: '1', x2: '5', y2: '6' }
});
svgroot.append(elem);
bbox = getBBoxOfElementAsPath(elem, mockaddSVGElementFromJson, mockPathActions);
assert.deepEqual(bbox, { x: 0, y: 1, width: 5, height: 5 });
elem.remove();
// TODO: test element with transform. Need resetOrientation above to be working or mock it.
});
it('Test convertToPath rect', function () {
const { convertToPath } = utilities;
const attrs = {
fill: 'red',
stroke: 'white',
'stroke-width': '1',
visibility: 'hidden'
};
const elem = mockCreateSVGElement({
element: 'rect',
attr: { id: 'rect', x: '0', y: '1', width: '5', height: '10' }
});
svgroot.append(elem);
const path = convertToPath(elem, attrs, mockaddSVGElementFromJson, mockPathActions, mockClearSelection, mockAddToSelection, mockHistory, mockAddCommandToHistory);
assert.equal(path.getAttribute('d'), 'M0,1 L5,1 L5,11 L0,11 L0,1 Z');
assert.equal(path.getAttribute('visibilituy'), null);
assert.equal(path.id, 'rect');
assert.equal(path.parentNode, svgroot);
assert.equal(elem.parentNode, null);
assert.equal(mockHistorySubCommands.length, 2);
assert.equal(mockCount.clearSelection, 1);
assert.equal(mockCount.addToSelection, 1);
assert.equal(mockCount.addCommandToHistory, 1);
path.remove();
});
it('Test convertToPath unknown element', function () {
const { convertToPath } = utilities;
const attrs = {
fill: 'red',
stroke: 'white',
'stroke-width': '1',
visibility: 'hidden'
};
const elem = {
tagName: 'something unknown',
id: 'something-unknown',
getAttribute () { return ''; },
parentNode: svgroot
};
const path = convertToPath(elem, attrs, mockaddSVGElementFromJson, mockPathActions, mockClearSelection, mockAddToSelection, mockHistory, mockAddCommandToHistory);
assert.equal(path, null);
assert.equal(elem.parentNode, svgroot);
assert.equal(mockHistorySubCommands.length, 0);
assert.equal(mockCount.clearSelection, 0);
assert.equal(mockCount.addToSelection, 0);
assert.equal(mockCount.addCommandToHistory, 0);
});
});