svgedit/test/history_test.js

584 lines
17 KiB
JavaScript

/* eslint-env qunit */
import {NS} from '../editor/namespaces.js';
import * as transformlist from '../editor/svgtransformlist.js';
import * as utilities from '../editor/utilities.js';
import * as hstory from '../editor/history.js';
// TODO(codedread): Write tests for handling history events.
// Mocked out methods.
transformlist.changeRemoveElementFromListMap((elem) => { /* */ });
utilities.mock({
getHref (elem) { return '#foo'; },
setHref (elem, val) { /* */ },
getRotationAngle (elem) { return 0; }
});
// log function
QUnit.log((details) => {
if (window.console && window.console.log) {
window.console.log(details.result + ' :: ' + details.message);
}
});
// const svg = document.createElementNS(NS.SVG, 'svg');
let undoMgr = null;
const divparent = document.getElementById('divparent');
const div1 = document.getElementById('div1');
const div2 = document.getElementById('div2');
const div3 = document.getElementById('div3');
const div4 = document.getElementById('div4');
const div5 = document.getElementById('div5');
QUnit.module('svgedit.history');
class MockCommand {
constructor (optText) { this.text_ = optText; }
apply () { /* */ } // eslint-disable-line class-methods-use-this
unapply () { /* */ } // eslint-disable-line class-methods-use-this
getText () { return this.text_; }
elements () { return []; } // eslint-disable-line class-methods-use-this
}
/*
class MockHistoryEventHandler {
handleHistoryEvent (eventType, command) {}
}
*/
/**
* Set up tests (with undo manager).
* @returns {undefined}
*/
function setUp () {
undoMgr = new hstory.UndoManager();
}
/**
* Tear down tests, destroying undo manager.
* @returns {undefined}
*/
function tearDown () {
undoMgr = null;
}
QUnit.test('Test svgedit.history package', function (assert) {
assert.expect(13);
assert.ok(hstory);
assert.ok(hstory.MoveElementCommand);
assert.ok(hstory.InsertElementCommand);
assert.ok(hstory.ChangeElementCommand);
assert.ok(hstory.RemoveElementCommand);
assert.ok(hstory.BatchCommand);
assert.ok(hstory.UndoManager);
assert.equal(typeof hstory.MoveElementCommand, typeof function () { /* */ });
assert.equal(typeof hstory.InsertElementCommand, typeof function () { /* */ });
assert.equal(typeof hstory.ChangeElementCommand, typeof function () { /* */ });
assert.equal(typeof hstory.RemoveElementCommand, typeof function () { /* */ });
assert.equal(typeof hstory.BatchCommand, typeof function () { /* */ });
assert.equal(typeof hstory.UndoManager, typeof function () { /* */ });
});
QUnit.test('Test UndoManager methods', function (assert) {
assert.expect(14);
setUp();
assert.ok(undoMgr);
assert.ok(undoMgr.addCommandToHistory);
assert.ok(undoMgr.getUndoStackSize);
assert.ok(undoMgr.getRedoStackSize);
assert.ok(undoMgr.resetUndoStack);
assert.ok(undoMgr.getNextUndoCommandText);
assert.ok(undoMgr.getNextRedoCommandText);
assert.equal(typeof undoMgr, typeof {});
assert.equal(typeof undoMgr.addCommandToHistory, typeof function () { /* */ });
assert.equal(typeof undoMgr.getUndoStackSize, typeof function () { /* */ });
assert.equal(typeof undoMgr.getRedoStackSize, typeof function () { /* */ });
assert.equal(typeof undoMgr.resetUndoStack, typeof function () { /* */ });
assert.equal(typeof undoMgr.getNextUndoCommandText, typeof function () { /* */ });
assert.equal(typeof undoMgr.getNextRedoCommandText, typeof function () { /* */ });
tearDown();
});
QUnit.test('Test UndoManager.addCommandToHistory() function', function (assert) {
assert.expect(3);
setUp();
assert.equal(undoMgr.getUndoStackSize(), 0);
undoMgr.addCommandToHistory(new MockCommand());
assert.equal(undoMgr.getUndoStackSize(), 1);
undoMgr.addCommandToHistory(new MockCommand());
assert.equal(undoMgr.getUndoStackSize(), 2);
tearDown();
});
QUnit.test('Test UndoManager.getUndoStackSize() and getRedoStackSize() functions', function (assert) {
assert.expect(18);
setUp();
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
assert.equal(undoMgr.getUndoStackSize(), 3);
assert.equal(undoMgr.getRedoStackSize(), 0);
undoMgr.undo();
assert.equal(undoMgr.getUndoStackSize(), 2);
assert.equal(undoMgr.getRedoStackSize(), 1);
undoMgr.undo();
assert.equal(undoMgr.getUndoStackSize(), 1);
assert.equal(undoMgr.getRedoStackSize(), 2);
undoMgr.undo();
assert.equal(undoMgr.getUndoStackSize(), 0);
assert.equal(undoMgr.getRedoStackSize(), 3);
undoMgr.undo();
assert.equal(undoMgr.getUndoStackSize(), 0);
assert.equal(undoMgr.getRedoStackSize(), 3);
undoMgr.redo();
assert.equal(undoMgr.getUndoStackSize(), 1);
assert.equal(undoMgr.getRedoStackSize(), 2);
undoMgr.redo();
assert.equal(undoMgr.getUndoStackSize(), 2);
assert.equal(undoMgr.getRedoStackSize(), 1);
undoMgr.redo();
assert.equal(undoMgr.getUndoStackSize(), 3);
assert.equal(undoMgr.getRedoStackSize(), 0);
undoMgr.redo();
assert.equal(undoMgr.getUndoStackSize(), 3);
assert.equal(undoMgr.getRedoStackSize(), 0);
tearDown();
});
QUnit.test('Test UndoManager.resetUndoStackSize() function', function (assert) {
assert.expect(4);
setUp();
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.addCommandToHistory(new MockCommand());
undoMgr.undo();
assert.equal(undoMgr.getUndoStackSize(), 2);
assert.equal(undoMgr.getRedoStackSize(), 1);
undoMgr.resetUndoStack();
assert.equal(undoMgr.getUndoStackSize(), 0);
assert.equal(undoMgr.getRedoStackSize(), 0);
tearDown();
});
QUnit.test('Test UndoManager.getNextUndoCommandText() function', function (assert) {
assert.expect(9);
setUp();
assert.equal(undoMgr.getNextUndoCommandText(), '');
undoMgr.addCommandToHistory(new MockCommand('First'));
undoMgr.addCommandToHistory(new MockCommand('Second'));
undoMgr.addCommandToHistory(new MockCommand('Third'));
assert.equal(undoMgr.getNextUndoCommandText(), 'Third');
undoMgr.undo();
assert.equal(undoMgr.getNextUndoCommandText(), 'Second');
undoMgr.undo();
assert.equal(undoMgr.getNextUndoCommandText(), 'First');
undoMgr.undo();
assert.equal(undoMgr.getNextUndoCommandText(), '');
undoMgr.redo();
assert.equal(undoMgr.getNextUndoCommandText(), 'First');
undoMgr.redo();
assert.equal(undoMgr.getNextUndoCommandText(), 'Second');
undoMgr.redo();
assert.equal(undoMgr.getNextUndoCommandText(), 'Third');
undoMgr.redo();
assert.equal(undoMgr.getNextUndoCommandText(), 'Third');
tearDown();
});
QUnit.test('Test UndoManager.getNextRedoCommandText() function', function (assert) {
assert.expect(8);
setUp();
assert.equal(undoMgr.getNextRedoCommandText(), '');
undoMgr.addCommandToHistory(new MockCommand('First'));
undoMgr.addCommandToHistory(new MockCommand('Second'));
undoMgr.addCommandToHistory(new MockCommand('Third'));
assert.equal(undoMgr.getNextRedoCommandText(), '');
undoMgr.undo();
assert.equal(undoMgr.getNextRedoCommandText(), 'Third');
undoMgr.undo();
assert.equal(undoMgr.getNextRedoCommandText(), 'Second');
undoMgr.undo();
assert.equal(undoMgr.getNextRedoCommandText(), 'First');
undoMgr.redo();
assert.equal(undoMgr.getNextRedoCommandText(), 'Second');
undoMgr.redo();
assert.equal(undoMgr.getNextRedoCommandText(), 'Third');
undoMgr.redo();
assert.equal(undoMgr.getNextRedoCommandText(), '');
tearDown();
});
QUnit.test('Test UndoManager.undo() and redo() functions', function (assert) {
assert.expect(10);
setUp();
let lastCalled = null;
const cmd1 = new MockCommand();
const cmd2 = new MockCommand();
const cmd3 = new MockCommand();
cmd1.apply = function () { lastCalled = 'cmd1.apply'; };
cmd2.apply = function () { lastCalled = 'cmd2.apply'; };
cmd3.apply = function () { lastCalled = 'cmd3.apply'; };
cmd1.unapply = function () { lastCalled = 'cmd1.unapply'; };
cmd2.unapply = function () { lastCalled = 'cmd2.unapply'; };
cmd3.unapply = function () { lastCalled = 'cmd3.unapply'; };
undoMgr.addCommandToHistory(cmd1);
undoMgr.addCommandToHistory(cmd2);
undoMgr.addCommandToHistory(cmd3);
assert.ok(!lastCalled);
undoMgr.undo();
assert.equal(lastCalled, 'cmd3.unapply');
undoMgr.redo();
assert.equal(lastCalled, 'cmd3.apply');
undoMgr.undo();
undoMgr.undo();
assert.equal(lastCalled, 'cmd2.unapply');
undoMgr.undo();
assert.equal(lastCalled, 'cmd1.unapply');
lastCalled = null;
undoMgr.undo();
assert.ok(!lastCalled);
undoMgr.redo();
assert.equal(lastCalled, 'cmd1.apply');
undoMgr.redo();
assert.equal(lastCalled, 'cmd2.apply');
undoMgr.redo();
assert.equal(lastCalled, 'cmd3.apply');
lastCalled = null;
undoMgr.redo();
assert.ok(!lastCalled);
tearDown();
});
QUnit.test('Test MoveElementCommand', function (assert) {
assert.expect(26);
setUp();
let move = new hstory.MoveElementCommand(div3, div1, divparent);
assert.ok(move.unapply);
assert.ok(move.apply);
assert.equal(typeof move.unapply, typeof function () { /* */ });
assert.equal(typeof move.apply, typeof function () { /* */ });
move.unapply();
assert.equal(divparent.firstElementChild, div3);
assert.equal(divparent.firstElementChild.nextElementSibling, div1);
assert.equal(divparent.lastElementChild, div2);
move.apply();
assert.equal(divparent.firstElementChild, div1);
assert.equal(divparent.firstElementChild.nextElementSibling, div2);
assert.equal(divparent.lastElementChild, div3);
move = new hstory.MoveElementCommand(div1, null, divparent);
move.unapply();
assert.equal(divparent.firstElementChild, div2);
assert.equal(divparent.firstElementChild.nextElementSibling, div3);
assert.equal(divparent.lastElementChild, div1);
move.apply();
assert.equal(divparent.firstElementChild, div1);
assert.equal(divparent.firstElementChild.nextElementSibling, div2);
assert.equal(divparent.lastElementChild, div3);
move = new hstory.MoveElementCommand(div2, div5, div4);
move.unapply();
assert.equal(divparent.firstElementChild, div1);
assert.equal(divparent.firstElementChild.nextElementSibling, div3);
assert.equal(divparent.lastElementChild, div3);
assert.equal(div4.firstElementChild, div2);
assert.equal(div4.firstElementChild.nextElementSibling, div5);
move.apply();
assert.equal(divparent.firstElementChild, div1);
assert.equal(divparent.firstElementChild.nextElementSibling, div2);
assert.equal(divparent.lastElementChild, div3);
assert.equal(div4.firstElementChild, div5);
assert.equal(div4.lastElementChild, div5);
tearDown();
});
QUnit.test('Test InsertElementCommand', function (assert) {
assert.expect(20);
setUp();
let insert = new hstory.InsertElementCommand(div3);
assert.ok(insert.unapply);
assert.ok(insert.apply);
assert.equal(typeof insert.unapply, typeof function () { /* */ });
assert.equal(typeof insert.apply, typeof function () { /* */ });
insert.unapply();
assert.equal(divparent.childElementCount, 2);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div2);
assert.equal(divparent.lastElementChild, div2);
insert.apply();
assert.equal(divparent.childElementCount, 3);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div2);
assert.equal(div2.nextElementSibling, div3);
insert = new hstory.InsertElementCommand(div2);
insert.unapply();
assert.equal(divparent.childElementCount, 2);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div3);
assert.equal(divparent.lastElementChild, div3);
insert.apply();
assert.equal(divparent.childElementCount, 3);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div2);
assert.equal(div2.nextElementSibling, div3);
tearDown();
});
QUnit.test('Test RemoveElementCommand', function (assert) {
assert.expect(22);
setUp();
const div6 = document.createElement('div');
div6.id = 'div6';
let remove = new hstory.RemoveElementCommand(div6, null, divparent);
assert.ok(remove.unapply);
assert.ok(remove.apply);
assert.equal(typeof remove.unapply, typeof function () { /* */ });
assert.equal(typeof remove.apply, typeof function () { /* */ });
remove.unapply();
assert.equal(divparent.childElementCount, 4);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div2);
assert.equal(div2.nextElementSibling, div3);
assert.equal(div3.nextElementSibling, div6);
remove.apply();
assert.equal(divparent.childElementCount, 3);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div2);
assert.equal(div2.nextElementSibling, div3);
remove = new hstory.RemoveElementCommand(div6, div2, divparent);
remove.unapply();
assert.equal(divparent.childElementCount, 4);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div6);
assert.equal(div6.nextElementSibling, div2);
assert.equal(div2.nextElementSibling, div3);
remove.apply();
assert.equal(divparent.childElementCount, 3);
assert.equal(divparent.firstElementChild, div1);
assert.equal(div1.nextElementSibling, div2);
assert.equal(div2.nextElementSibling, div3);
tearDown();
});
QUnit.test('Test ChangeElementCommand', function (assert) {
assert.expect(26);
setUp();
div1.setAttribute('title', 'new title');
let change = new hstory.ChangeElementCommand(div1,
{title: 'old title', class: 'foo'});
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(div1.getAttribute('title'), 'old title');
assert.equal(div1.getAttribute('class'), 'foo');
change.apply();
assert.equal(div1.getAttribute('title'), 'new title');
assert.ok(!div1.getAttribute('class'));
div1.textContent = 'inner text';
change = new hstory.ChangeElementCommand(div1,
{'#text': null});
change.unapply();
assert.ok(!div1.textContent);
change.apply();
assert.equal(div1.textContent, 'inner text');
div1.textContent = '';
change = new hstory.ChangeElementCommand(div1,
{'#text': 'old text'});
change.unapply();
assert.equal(div1.textContent, 'old text');
change.apply();
assert.ok(!div1.textContent);
// TODO(codedread): Refactor this #href stuff in history.js and svgcanvas.js
const rect = document.createElementNS(NS.SVG, 'rect');
let justCalled = null;
let gethrefvalue = null;
let sethrefvalue = null;
utilities.mock({
getHref (elem) {
assert.equal(elem, rect);
justCalled = 'getHref';
return gethrefvalue;
},
setHref (elem, val) {
assert.equal(elem, rect);
assert.equal(val, sethrefvalue);
justCalled = 'setHref';
},
getRotationAngle (elem) { return 0; }
});
gethrefvalue = '#newhref';
change = new hstory.ChangeElementCommand(rect,
{'#href': '#oldhref'});
assert.equal(justCalled, 'getHref');
justCalled = null;
sethrefvalue = '#oldhref';
change.unapply();
assert.equal(justCalled, 'setHref');
justCalled = null;
sethrefvalue = '#newhref';
change.apply();
assert.equal(justCalled, 'setHref');
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');
tearDown();
});
QUnit.test('Test BatchCommand', function (assert) {
assert.expect(13);
setUp();
let concatResult = '';
MockCommand.prototype.apply = function () { 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, typeof function () { /* */ });
assert.equal(typeof batch.apply, typeof function () { /* */ });
assert.equal(typeof batch.addSubCommand, typeof function () { /* */ });
assert.equal(typeof batch.isEmpty, typeof 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 = '';
batch.unapply();
assert.equal(concatResult, 'cba');
MockCommand.prototype.unapply = function () { /* */ };
tearDown();
});