524 lines
18 KiB
JavaScript
524 lines
18 KiB
JavaScript
import '../../../instrumented/editor/jquery.min.js';
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import {NS} from '../../../instrumented/common/namespaces.js';
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import * as transformlist from '../../../instrumented/common/svgtransformlist.js';
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import * as utilities from '../../../instrumented/common/utilities.js';
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import * as hstory from '../../../instrumented/svgcanvas/history.js';
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describe('history', function () {
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// TODO(codedread): Write tests for handling history events.
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// Mocked out methods.
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transformlist.changeRemoveElementFromListMap((elem) => { /* */ });
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utilities.mock({
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getHref (elem) { return '#foo'; },
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setHref (elem, val) { /* */ },
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getRotationAngle (elem) { return 0; }
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});
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// const svg = document.createElementNS(NS.SVG, 'svg');
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let undoMgr = null;
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class MockCommand extends hstory.Command {
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constructor (optText) {
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super();
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this.text = optText;
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}
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apply (handler) {
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super.apply(handler, () => { /* */ });
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}
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unapply (handler) {
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super.unapply(handler, () => { /* */ });
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}
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elements () { return []; } // eslint-disable-line class-methods-use-this
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}
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/*
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class MockHistoryEventHandler {
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handleHistoryEvent (eventType, command) {}
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}
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*/
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/**
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* Set up tests (with undo manager).
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* @returns {void}
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*/
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beforeEach(function () {
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undoMgr = new hstory.UndoManager();
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document.body.textContent = '';
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this.divparent = document.createElement('div');
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this.divparent.id = 'divparent';
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this.divparent.style.visibility = 'hidden';
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for (let i = 1; i <= 5; i++) {
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const div = document.createElement('div');
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const id = `div${i}`;
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div.id = id;
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this[id] = div;
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}
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this.divparent.append(this.div1, this.div2, this.div3);
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this.div4.style.visibility = 'hidden';
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this.div4.append(this.div5);
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document.body.append(this.divparent, this.div);
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});
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/**
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* Tear down tests, destroying undo manager.
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* @returns {void}
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*/
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afterEach(() => {
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undoMgr = null;
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});
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it('Test svgedit.history package', function () {
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assert.ok(hstory);
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assert.ok(hstory.MoveElementCommand);
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assert.ok(hstory.InsertElementCommand);
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assert.ok(hstory.ChangeElementCommand);
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assert.ok(hstory.RemoveElementCommand);
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assert.ok(hstory.BatchCommand);
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assert.ok(hstory.UndoManager);
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assert.equal(typeof hstory.MoveElementCommand, typeof function () { /* */ });
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assert.equal(typeof hstory.InsertElementCommand, typeof function () { /* */ });
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assert.equal(typeof hstory.ChangeElementCommand, typeof function () { /* */ });
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assert.equal(typeof hstory.RemoveElementCommand, typeof function () { /* */ });
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assert.equal(typeof hstory.BatchCommand, typeof function () { /* */ });
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assert.equal(typeof hstory.UndoManager, typeof function () { /* */ });
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});
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it('Test UndoManager methods', function () {
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assert.ok(undoMgr);
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assert.ok(undoMgr.addCommandToHistory);
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assert.ok(undoMgr.getUndoStackSize);
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assert.ok(undoMgr.getRedoStackSize);
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assert.ok(undoMgr.resetUndoStack);
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assert.ok(undoMgr.getNextUndoCommandText);
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assert.ok(undoMgr.getNextRedoCommandText);
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assert.equal(typeof undoMgr, typeof {});
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assert.equal(typeof undoMgr.addCommandToHistory, typeof function () { /* */ });
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assert.equal(typeof undoMgr.getUndoStackSize, typeof function () { /* */ });
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assert.equal(typeof undoMgr.getRedoStackSize, typeof function () { /* */ });
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assert.equal(typeof undoMgr.resetUndoStack, typeof function () { /* */ });
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assert.equal(typeof undoMgr.getNextUndoCommandText, typeof function () { /* */ });
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assert.equal(typeof undoMgr.getNextRedoCommandText, typeof function () { /* */ });
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});
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it('Test UndoManager.addCommandToHistory() function', function () {
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assert.equal(undoMgr.getUndoStackSize(), 0);
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undoMgr.addCommandToHistory(new MockCommand());
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assert.equal(undoMgr.getUndoStackSize(), 1);
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undoMgr.addCommandToHistory(new MockCommand());
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assert.equal(undoMgr.getUndoStackSize(), 2);
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});
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it('Test UndoManager.getUndoStackSize() and getRedoStackSize() functions', function () {
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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assert.equal(undoMgr.getUndoStackSize(), 3);
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assert.equal(undoMgr.getRedoStackSize(), 0);
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undoMgr.undo();
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assert.equal(undoMgr.getUndoStackSize(), 2);
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assert.equal(undoMgr.getRedoStackSize(), 1);
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undoMgr.undo();
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assert.equal(undoMgr.getUndoStackSize(), 1);
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assert.equal(undoMgr.getRedoStackSize(), 2);
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undoMgr.undo();
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assert.equal(undoMgr.getUndoStackSize(), 0);
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assert.equal(undoMgr.getRedoStackSize(), 3);
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undoMgr.undo();
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assert.equal(undoMgr.getUndoStackSize(), 0);
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assert.equal(undoMgr.getRedoStackSize(), 3);
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undoMgr.redo();
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assert.equal(undoMgr.getUndoStackSize(), 1);
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assert.equal(undoMgr.getRedoStackSize(), 2);
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undoMgr.redo();
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assert.equal(undoMgr.getUndoStackSize(), 2);
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assert.equal(undoMgr.getRedoStackSize(), 1);
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undoMgr.redo();
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assert.equal(undoMgr.getUndoStackSize(), 3);
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assert.equal(undoMgr.getRedoStackSize(), 0);
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undoMgr.redo();
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assert.equal(undoMgr.getUndoStackSize(), 3);
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assert.equal(undoMgr.getRedoStackSize(), 0);
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});
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it('Test UndoManager.resetUndoStackSize() function', function () {
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.undo();
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assert.equal(undoMgr.getUndoStackSize(), 2);
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assert.equal(undoMgr.getRedoStackSize(), 1);
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undoMgr.resetUndoStack();
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assert.equal(undoMgr.getUndoStackSize(), 0);
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assert.equal(undoMgr.getRedoStackSize(), 0);
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});
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it('Test UndoManager.getNextUndoCommandText() function', function () {
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assert.equal(undoMgr.getNextUndoCommandText(), '');
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undoMgr.addCommandToHistory(new MockCommand('First'));
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undoMgr.addCommandToHistory(new MockCommand('Second'));
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undoMgr.addCommandToHistory(new MockCommand('Third'));
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assert.equal(undoMgr.getNextUndoCommandText(), 'Third');
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undoMgr.undo();
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assert.equal(undoMgr.getNextUndoCommandText(), 'Second');
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undoMgr.undo();
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assert.equal(undoMgr.getNextUndoCommandText(), 'First');
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undoMgr.undo();
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assert.equal(undoMgr.getNextUndoCommandText(), '');
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undoMgr.redo();
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assert.equal(undoMgr.getNextUndoCommandText(), 'First');
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undoMgr.redo();
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assert.equal(undoMgr.getNextUndoCommandText(), 'Second');
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undoMgr.redo();
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assert.equal(undoMgr.getNextUndoCommandText(), 'Third');
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undoMgr.redo();
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assert.equal(undoMgr.getNextUndoCommandText(), 'Third');
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});
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it('Test UndoManager.getNextRedoCommandText() function', function () {
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assert.equal(undoMgr.getNextRedoCommandText(), '');
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undoMgr.addCommandToHistory(new MockCommand('First'));
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undoMgr.addCommandToHistory(new MockCommand('Second'));
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undoMgr.addCommandToHistory(new MockCommand('Third'));
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assert.equal(undoMgr.getNextRedoCommandText(), '');
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undoMgr.undo();
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assert.equal(undoMgr.getNextRedoCommandText(), 'Third');
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undoMgr.undo();
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assert.equal(undoMgr.getNextRedoCommandText(), 'Second');
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undoMgr.undo();
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assert.equal(undoMgr.getNextRedoCommandText(), 'First');
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undoMgr.redo();
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assert.equal(undoMgr.getNextRedoCommandText(), 'Second');
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undoMgr.redo();
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assert.equal(undoMgr.getNextRedoCommandText(), 'Third');
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undoMgr.redo();
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assert.equal(undoMgr.getNextRedoCommandText(), '');
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});
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it('Test UndoManager.undo() and redo() functions', function () {
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let lastCalled = null;
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const cmd1 = new MockCommand();
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const cmd2 = new MockCommand();
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const cmd3 = new MockCommand();
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cmd1.apply = function () { lastCalled = 'cmd1.apply'; };
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cmd2.apply = function () { lastCalled = 'cmd2.apply'; };
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cmd3.apply = function () { lastCalled = 'cmd3.apply'; };
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cmd1.unapply = function () { lastCalled = 'cmd1.unapply'; };
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cmd2.unapply = function () { lastCalled = 'cmd2.unapply'; };
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cmd3.unapply = function () { lastCalled = 'cmd3.unapply'; };
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undoMgr.addCommandToHistory(cmd1);
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undoMgr.addCommandToHistory(cmd2);
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undoMgr.addCommandToHistory(cmd3);
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assert.ok(!lastCalled);
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undoMgr.undo();
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assert.equal(lastCalled, 'cmd3.unapply');
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undoMgr.redo();
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assert.equal(lastCalled, 'cmd3.apply');
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undoMgr.undo();
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undoMgr.undo();
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assert.equal(lastCalled, 'cmd2.unapply');
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undoMgr.undo();
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assert.equal(lastCalled, 'cmd1.unapply');
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lastCalled = null;
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undoMgr.undo();
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assert.ok(!lastCalled);
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undoMgr.redo();
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assert.equal(lastCalled, 'cmd1.apply');
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undoMgr.redo();
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assert.equal(lastCalled, 'cmd2.apply');
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undoMgr.redo();
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assert.equal(lastCalled, 'cmd3.apply');
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lastCalled = null;
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undoMgr.redo();
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assert.ok(!lastCalled);
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});
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it('Test MoveElementCommand', function () {
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let move = new hstory.MoveElementCommand(this.div3, this.div1, this.divparent);
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assert.ok(move.unapply);
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assert.ok(move.apply);
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assert.equal(typeof move.unapply, typeof function () { /* */ });
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assert.equal(typeof move.apply, typeof function () { /* */ });
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move.unapply();
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assert.equal(this.divparent.firstElementChild, this.div3);
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assert.equal(this.divparent.firstElementChild.nextElementSibling, this.div1);
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assert.equal(this.divparent.lastElementChild, this.div2);
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move.apply();
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.divparent.firstElementChild.nextElementSibling, this.div2);
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assert.equal(this.divparent.lastElementChild, this.div3);
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move = new hstory.MoveElementCommand(this.div1, null, this.divparent);
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move.unapply();
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assert.equal(this.divparent.firstElementChild, this.div2);
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assert.equal(this.divparent.firstElementChild.nextElementSibling, this.div3);
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assert.equal(this.divparent.lastElementChild, this.div1);
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move.apply();
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.divparent.firstElementChild.nextElementSibling, this.div2);
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assert.equal(this.divparent.lastElementChild, this.div3);
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move = new hstory.MoveElementCommand(this.div2, this.div5, this.div4);
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move.unapply();
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.divparent.firstElementChild.nextElementSibling, this.div3);
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assert.equal(this.divparent.lastElementChild, this.div3);
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assert.equal(this.div4.firstElementChild, this.div2);
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assert.equal(this.div4.firstElementChild.nextElementSibling, this.div5);
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move.apply();
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.divparent.firstElementChild.nextElementSibling, this.div2);
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assert.equal(this.divparent.lastElementChild, this.div3);
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assert.equal(this.div4.firstElementChild, this.div5);
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assert.equal(this.div4.lastElementChild, this.div5);
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});
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it('Test InsertElementCommand', function () {
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let insert = new hstory.InsertElementCommand(this.div3);
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assert.ok(insert.unapply);
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assert.ok(insert.apply);
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assert.equal(typeof insert.unapply, typeof function () { /* */ });
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assert.equal(typeof insert.apply, typeof function () { /* */ });
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insert.unapply();
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assert.equal(this.divparent.childElementCount, 2);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div2);
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assert.equal(this.divparent.lastElementChild, this.div2);
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insert.apply();
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assert.equal(this.divparent.childElementCount, 3);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div2);
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assert.equal(this.div2.nextElementSibling, this.div3);
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insert = new hstory.InsertElementCommand(this.div2);
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insert.unapply();
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assert.equal(this.divparent.childElementCount, 2);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div3);
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assert.equal(this.divparent.lastElementChild, this.div3);
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insert.apply();
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assert.equal(this.divparent.childElementCount, 3);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div2);
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assert.equal(this.div2.nextElementSibling, this.div3);
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});
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it('Test RemoveElementCommand', function () {
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const div6 = document.createElement('div');
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div6.id = 'div6';
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let remove = new hstory.RemoveElementCommand(div6, null, this.divparent);
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assert.ok(remove.unapply);
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assert.ok(remove.apply);
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assert.equal(typeof remove.unapply, typeof function () { /* */ });
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assert.equal(typeof remove.apply, typeof function () { /* */ });
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remove.unapply();
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assert.equal(this.divparent.childElementCount, 4);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div2);
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assert.equal(this.div2.nextElementSibling, this.div3);
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assert.equal(this.div3.nextElementSibling, div6);
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remove.apply();
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assert.equal(this.divparent.childElementCount, 3);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div2);
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assert.equal(this.div2.nextElementSibling, this.div3);
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remove = new hstory.RemoveElementCommand(div6, this.div2, this.divparent);
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remove.unapply();
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assert.equal(this.divparent.childElementCount, 4);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, div6);
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assert.equal(div6.nextElementSibling, this.div2);
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assert.equal(this.div2.nextElementSibling, this.div3);
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remove.apply();
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assert.equal(this.divparent.childElementCount, 3);
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assert.equal(this.divparent.firstElementChild, this.div1);
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assert.equal(this.div1.nextElementSibling, this.div2);
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assert.equal(this.div2.nextElementSibling, this.div3);
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});
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it('Test ChangeElementCommand', function () {
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this.div1.setAttribute('title', 'new title');
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let change = new hstory.ChangeElementCommand(this.div1,
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{title: 'old title', class: 'foo'});
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assert.ok(change.unapply);
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assert.ok(change.apply);
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assert.equal(typeof change.unapply, typeof function () { /* */ });
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assert.equal(typeof change.apply, typeof function () { /* */ });
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change.unapply();
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assert.equal(this.div1.getAttribute('title'), 'old title');
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assert.equal(this.div1.getAttribute('class'), 'foo');
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change.apply();
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assert.equal(this.div1.getAttribute('title'), 'new title');
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assert.ok(!this.div1.getAttribute('class'));
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this.div1.textContent = 'inner text';
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change = new hstory.ChangeElementCommand(this.div1,
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{'#text': null});
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change.unapply();
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assert.ok(!this.div1.textContent);
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change.apply();
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assert.equal(this.div1.textContent, 'inner text');
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this.div1.textContent = '';
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change = new hstory.ChangeElementCommand(this.div1,
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{'#text': 'old text'});
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change.unapply();
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assert.equal(this.div1.textContent, 'old text');
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change.apply();
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assert.ok(!this.div1.textContent);
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// TODO(codedread): Refactor this #href stuff in history.js and svgcanvas.js
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const rect = document.createElementNS(NS.SVG, 'rect');
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let justCalled = null;
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let gethrefvalue = null;
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let sethrefvalue = null;
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utilities.mock({
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getHref (elem) {
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assert.equal(elem, rect);
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justCalled = 'getHref';
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return gethrefvalue;
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},
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setHref (elem, val) {
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assert.equal(elem, rect);
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assert.equal(val, sethrefvalue);
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justCalled = 'setHref';
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},
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getRotationAngle (elem) { return 0; }
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});
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gethrefvalue = '#newhref';
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change = new hstory.ChangeElementCommand(rect,
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{'#href': '#oldhref'});
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assert.equal(justCalled, 'getHref');
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justCalled = null;
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sethrefvalue = '#oldhref';
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change.unapply();
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assert.equal(justCalled, 'setHref');
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justCalled = null;
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sethrefvalue = '#newhref';
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change.apply();
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assert.equal(justCalled, 'setHref');
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const line = document.createElementNS(NS.SVG, 'line');
|
|
line.setAttribute('class', 'newClass');
|
|
change = new hstory.ChangeElementCommand(line, {class: 'oldClass'});
|
|
|
|
assert.ok(change.unapply);
|
|
assert.ok(change.apply);
|
|
assert.equal(typeof change.unapply, typeof function () { /* */ });
|
|
assert.equal(typeof change.apply, typeof function () { /* */ });
|
|
|
|
change.unapply();
|
|
assert.equal(line.getAttribute('class'), 'oldClass');
|
|
|
|
change.apply();
|
|
assert.equal(line.getAttribute('class'), 'newClass');
|
|
});
|
|
|
|
it('Test BatchCommand', function () {
|
|
let concatResult = '';
|
|
MockCommand.prototype.apply = function (handler) { concatResult += this.text; };
|
|
|
|
const batch = new hstory.BatchCommand();
|
|
assert.ok(batch.unapply);
|
|
assert.ok(batch.apply);
|
|
assert.ok(batch.addSubCommand);
|
|
assert.ok(batch.isEmpty);
|
|
assert.equal(typeof batch.unapply, 'function');
|
|
assert.equal(typeof batch.apply, 'function');
|
|
assert.equal(typeof batch.addSubCommand, 'function');
|
|
assert.equal(typeof batch.isEmpty, 'function');
|
|
|
|
assert.ok(batch.isEmpty());
|
|
|
|
batch.addSubCommand(new MockCommand('a'));
|
|
assert.ok(!batch.isEmpty());
|
|
batch.addSubCommand(new MockCommand('b'));
|
|
batch.addSubCommand(new MockCommand('c'));
|
|
|
|
assert.ok(!concatResult);
|
|
batch.apply();
|
|
assert.equal(concatResult, 'abc');
|
|
|
|
MockCommand.prototype.apply = function () { /* */ };
|
|
MockCommand.prototype.unapply = function () { concatResult += this.text; };
|
|
concatResult = '';
|
|
assert.ok(!concatResult);
|
|
batch.unapply();
|
|
assert.equal(concatResult, 'cba');
|
|
|
|
MockCommand.prototype.unapply = function () { /* */ };
|
|
});
|
|
});
|