X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/9156bcda05de78865d7f2ef202824dd2a1a03ea1..21cd91531dd9c6e88d00da03f6b2f3ad88fb0da0:/src/smartxml/smartxml.test.js diff --git a/src/smartxml/smartxml.test.js b/src/smartxml/smartxml.test.js index 29c4244..4049dff 100644 --- a/src/smartxml/smartxml.test.js +++ b/src/smartxml/smartxml.test.js @@ -1,12 +1,13 @@ define([ 'libs/chai', 'libs/sinon', + 'libs/underscore', './smartxml.js' -], function(chai, sinon, smartxml) { +], function(chai, sinon, _, smartxml) { 'use strict'; /*jshint expr:true */ -/* global describe, it, beforeEach */ +/* global describe, it, beforeEach, Node, DOMParser */ var expect = chai.expect; @@ -40,6 +41,59 @@ describe('smartxml', function() { doc.loadXML('
'); expect(doc.root.getTagName()).to.equal('header'); }); + + it('knows if it contains an ElementNode in its tree', function() { + var doc = getDocumentFromXML('text'), + root = doc.root, + a = root.contents()[0], + text = root.contents()[1]; + + expect(doc.containsNode(root)).to.equal(true, 'contains its root'); + expect(doc.containsNode(a)).to.equal(true, 'contains Element Node'); + expect(doc.containsNode(text)).to.equal(true, 'contains Text Node'); + }); + + it('creates text nodes', function() { + var doc = getDocumentFromXML('
'), + emptyTextNode = doc.createDocumentNode({text:''}), + nonEmptyTextNode = doc.createDocumentNode({text: 'alice'}); + expect(emptyTextNode.getText()).to.equal('', 'empty ok'); + expect(nonEmptyTextNode.getText()).to.equal('alice', 'non empty ok'); + }); + }); + + describe('DocumentNode', function() { + it('can be cloned', function() { + var doc = getDocumentFromXML('
Alice
'), + text = doc.root.contents()[0], + clone, suffix; + + [doc.root, text].forEach(function(node) { + suffix = ' (' + (node.nodeType === Node.TEXT_NODE ? 'text' : 'element') + ')'; + clone = node.clone(); + expect(doc.containsNode(clone)).to.equal(false, 'clone is not contained in a document' + suffix); + expect(node.sameNode(clone)).to.equal(false, 'clone is not same node as its originator' + suffix); + expect(node.nativeNode.isEqualNode(clone.nativeNode)).to.equal(true, 'clone is identical as its originator' + suffix); + }); + }); + + it('knows its path in the document tree', function() { + var doc = getDocumentFromXML('text'), + root = doc.root, + a = root.contents()[0], + b = a.contents()[0], + text = b.contents()[1]; + + expect(root.getPath()).to.eql([], 'path of the root element is empty'); + expect(a.getPath()).to.eql([0]); + expect(b.getPath()).to.eql([0, 0]); + expect(text.getPath()).to.eql([0,0,1]); + + /* Paths relative to a given ancestor */ + expect(text.getPath(root)).to.eql([0,0,1]); + expect(text.getPath(a)).to.eql([0,1]); + expect(text.getPath(b)).to.eql([1]); + }); }); describe('Basic ElementNode properties', function() { @@ -251,11 +305,67 @@ describe('smartxml', function() { describe('Manipulations', function() { + describe('replacing node with another one', function() { + it('replaces node with another one', function() { + var doc = getDocumentFromXML('
'), + a = doc.root.contents()[0]; + + var c = a.replaceWith({tagName: 'b', attrs: {b:'1'}}); + + expect(doc.root.contents()[0].sameNode(c)); + expect(c.getTagName()).to.equal('b'); + expect(c.getAttr('b')).to.equal('1'); + }); + it('can replace document root', function() { + var doc = getDocumentFromXML('
'); + + var header = doc.root.replaceWith({tagName: 'header'}); + + expect(doc.root.sameNode(header)).to.be.true; + expect(doc.containsNode(header)).to.be.true; + }); + }); + + it('merges adjacent text nodes resulting from detaching an element node in between', function() { + var doc = getDocumentFromXML('
Alice hasa cat
'), + span = doc.root.contents()[1]; + + span.detach(); + + var rootContents = doc.root.contents(); + expect(rootContents).to.have.length(1, 'one child left'); + expect(rootContents[0].getText()).to.equal('Alice a cat'); + }); + + it('inserts node at index', function() { + var doc = getDocumentFromXML('
'), + b = doc.root.contents()[1]; + + var inserted = doc.root.insertAtIndex({tagName: 'test'}, 1); + + expect(doc.root.contents()[1].sameNode(inserted)).to.equal(true, 'inserted node returned'); + expect(b.getIndex()).to.equal(2, 'b node shifted right'); + }); + + it('appends node when inserting node at index out of range', function() { + var doc = getDocumentFromXML('
'); + + var test1 = doc.root.insertAtIndex({tagName: 'test1'}, 0), + test2 = doc.root.insertAtIndex({tagName: 'test1'}, 10); + + expect(doc.root.contents()[0].sameNode(test1)).to.equal(true, 'inserting at index 0 of empty nodes appends node'); + expect(doc.root.contents().length).to.equal(1, 'inserting at index out of range does nothing'); + expect(test2).to.equal(undefined, 'inserting at index out of range returns undefined'); + }); + it('appends element node to another element node', function() { var node1 = elementNodeFromParams({tag: 'div'}), - node2 = elementNodeFromParams({tag: 'a'}); + node2 = elementNodeFromParams({tag: 'a'}), + node3 = elementNodeFromParams({tag: 'p'}); node1.append(node2); + node1.append(node3); expect(node1.contents()[0].sameNode(node2)).to.be.true; + expect(node1.contents()[1].sameNode(node3)).to.be.true; }); it('prepends element node to another element node', function() { @@ -288,11 +398,37 @@ describe('smartxml', function() { expect(node.contents()[2].getText()).to.equal(' a cat!'); }); + it('unwrap single element node from its parent', function() { + var doc = getDocumentFromXML('
'), + div = doc.root, + a = div.contents()[0], + b = a.contents()[0]; + + var parent = b.unwrap(); + + expect(parent.sameNode(div)).to.equal(true, 'returns new parent'); + expect(div.contents()).to.have.length(1, 'root contains only one node'); + expect(div.contents()[0].sameNode(b)).to.equal(true, 'node got unwrapped'); + }); + + it('unwrap single text node from its parent', function() { + var doc = getDocumentFromXML('
Some text!
'), + div = doc.root, + span = div.contents()[1], + text = span.contents()[0]; + + var parent = text.unwrap(); + + expect(parent.sameNode(div)).to.equal(true, 'returns new parent'); + expect(div.contents()).to.have.length(1, 'root contains only one node'); + expect(div.contents()[0].getText()).to.equal('Some text!'); + }); + describe('Wrapping text', function() { it('wraps text spanning multiple sibling TextNodes', function() { var section = elementNodeFromXML('
Alice has a small cat
'), wrapper = section.wrapText({ - _with: {tag: 'span', attrs: {'attr1': 'value1'}}, + _with: {tagName: 'span', attrs: {'attr1': 'value1'}}, offsetStart: 6, offsetEnd: 4, textNodeIdx: [0,2] @@ -304,6 +440,7 @@ describe('smartxml', function() { var wrapper2 = section.contents()[1]; expect(wrapper2.sameNode(wrapper)).to.be.true; + expect(wrapper.getTagName()).to.equal('span'); var wrapperContents = wrapper.contents(); expect(wrapperContents.length).to.equal(3); @@ -314,6 +451,356 @@ describe('smartxml', function() { expect(wrapperContents[1].contents()[0].getText()).to.equal('small'); }); }); + + describe('Wrapping Nodes', function() { + it('wraps multiple sibling nodes', function() { + var section = elementNodeFromXML('
Alice
has
a cat
'), + aliceText = section.contents()[0], + firstDiv = section.contents()[1], + lastDiv = section.contents()[section.contents().length -1]; + + var returned = section.document.wrapNodes({ + node1: aliceText, + node2: lastDiv, + _with: {tagName: 'header'} + }); + + var sectionContentss = section.contents(), + header = sectionContentss[0], + headerContents = header.contents(); + + expect(sectionContentss).to.have.length(1); + expect(header.sameNode(returned)).to.equal(true, 'wrapper returned'); + expect(header.parent().sameNode(section)).to.be.true; + expect(headerContents).to.have.length(3); + expect(headerContents[0].sameNode(aliceText)).to.equal(true, 'first node wrapped'); + expect(headerContents[1].sameNode(firstDiv)).to.equal(true, 'second node wrapped'); + expect(headerContents[2].sameNode(lastDiv)).to.equal(true, 'third node wrapped'); + }); + + it('wraps multiple sibling Elements - middle case', function() { + var section = elementNodeFromXML('
'), + div2 = section.contents()[1], + div3 = section.contents()[2]; + + section.document.wrapNodes({ + node1: div2, + node2: div3, + _with: {tagName: 'header'} + }); + + var sectionContentss = section.contents(), + header = sectionContentss[1], + headerChildren = header.contents(); + + expect(sectionContentss).to.have.length(3); + expect(headerChildren).to.have.length(2); + expect(headerChildren[0].sameNode(div2)).to.equal(true, 'first node wrapped'); + expect(headerChildren[1].sameNode(div3)).to.equal(true, 'second node wrapped'); + }); + }); + + }); + + describe('Splitting text', function() { + + it('splits TextNode\'s parent into two ElementNodes', function() { + var doc = getDocumentFromXML('
Some header
'), + section = doc.root, + text = section.contents()[0].contents()[0]; + + var returnedValue = text.split({offset: 5}); + expect(section.contents().length).to.equal(2, 'section has two children'); + + var header1 = section.contents()[0]; + var header2 = section.contents()[1]; + + expect(header1.getTagName()).to.equal('header', 'first section child ok'); + expect(header1.contents().length).to.equal(1, 'first header has one child'); + expect(header1.contents()[0].getText()).to.equal('Some ', 'first header has correct content'); + expect(header2.getTagName()).to.equal('header', 'second section child ok'); + expect(header2.contents().length).to.equal(1, 'second header has one child'); + expect(header2.contents()[0].getText()).to.equal('header', 'second header has correct content'); + + expect(returnedValue.first.sameNode(header1)).to.equal(true, 'first node returned'); + expect(returnedValue.second.sameNode(header2)).to.equal(true, 'second node returned'); + }); + + it('leaves empty copy of ElementNode if splitting at the very beginning', function() { + var doc = getDocumentFromXML('
Some header
'), + section = doc.root, + text = section.contents()[0].contents()[0]; + + text.split({offset: 0}); + + var header1 = section.contents()[0]; + var header2 = section.contents()[1]; + + expect(header1.contents().length).to.equal(0); + expect(header2.contents()[0].getText()).to.equal('Some header'); + }); + + it('leaves empty copy of ElementNode if splitting at the very end', function() { + var doc = getDocumentFromXML('
Some header
'), + section = doc.root, + text = section.contents()[0].contents()[0]; + + text.split({offset: 11}); + + var header1 = section.contents()[0]; + var header2 = section.contents()[1]; + + expect(header1.contents()[0].getText()).to.equal('Some header'); + expect(header2.contents().length).to.equal(0); + }); + + it('keeps TextNodes\'s parent\'s children elements intact', function() { + var doc = getDocumentFromXML('
A fancy and nice header
'), + section = doc.root, + header = section.contents()[0], + textAnd = header.contents()[2]; + + textAnd.split({offset: 2}); + + var sectionContents = section.contents(); + expect(sectionContents.length).to.equal(2, 'Section has two children'); + expect(sectionContents[0].getTagName()).to.equal('header', 'First section node is a header'); + expect(sectionContents[1].getTagName()).to.equal('header', 'Second section node is a header'); + + var firstHeaderContents = sectionContents[0].contents(); + expect(firstHeaderContents.length).to.equal(3, 'First header has three children'); + expect(firstHeaderContents[0].getText()).to.equal('A ', 'First header starts with a text'); + expect(firstHeaderContents[1].getTagName()).to.equal('span', 'First header has span in the middle'); + expect(firstHeaderContents[2].getText()).to.equal(' a', 'First header ends with text'); + + var secondHeaderContents = sectionContents[1].contents(); + expect(secondHeaderContents.length).to.equal(3, 'Second header has three children'); + expect(secondHeaderContents[0].getText()).to.equal('nd ', 'Second header starts with text'); + expect(secondHeaderContents[1].getTagName()).to.equal('span', 'Second header has span in the middle'); + expect(secondHeaderContents[2].getText()).to.equal(' header', 'Second header ends with text'); + }); + }); + + describe('Events', function() { + it('emits nodeDetached event on node detach', function() { + var node = elementNodeFromXML('
'), + innerNode = node.contents()[0], + spy = sinon.spy(); + node.document.on('change', spy); + + var detached = innerNode.detach(), + event = spy.args[0][0]; + + expect(event.type).to.equal('nodeDetached'); + expect(event.meta.node.sameNode(detached, 'detached node in event meta')); + expect(event.meta.parent.sameNode(node), 'original parent node in event meta'); + }), + + it('emits nodeAdded event when appending new node', function() { + var node = elementNodeFromXML('
'), + spy = sinon.spy(); + node.document.on('change', spy); + + var appended = node.append({tagName:'div'}), + event = spy.args[0][0]; + expect(event.type).to.equal('nodeAdded'); + expect(event.meta.node.sameNode(appended)).to.be.true; + }); + + it('emits nodeMoved when appending aready existing node', function() { + var node = elementNodeFromXML('
'), + a = node.contents()[0], + b = node.contents()[1], + spy = sinon.spy(); + node.document.on('change', spy); + + var appended = a.append(b), + event = spy.args[0][0]; + + expect(spy.callCount).to.equal(1); + expect(event.type).to.equal('nodeMoved'); + expect(event.meta.node.sameNode(appended)).to.be.true; + }); + + it('emits nodeAdded event when prepending new node', function() { + var node = elementNodeFromXML('
'), + spy = sinon.spy(); + node.document.on('change', spy); + + var prepended = node.prepend({tagName:'div'}), + event = spy.args[0][0]; + expect(event.type).to.equal('nodeAdded'); + expect(event.meta.node.sameNode(prepended)).to.be.true; + }); + + it('emits nodeMoved when prepending aready existing node', function() { + var node = elementNodeFromXML('
'), + a = node.contents()[0], + b = node.contents()[1], + spy = sinon.spy(); + node.document.on('change', spy); + + var prepended = a.prepend(b), + event = spy.args[0][0]; + expect(spy.callCount).to.equal(1); + expect(event.type).to.equal('nodeMoved'); + expect(event.meta.node.sameNode(prepended)).to.be.true; + }); + + it('emits nodeAdded event when inserting node after another', function() { + var node = elementNodeFromXML('
').contents()[0], + spy = sinon.spy(); + node.document.on('change', spy); + + var inserted = node.after({tagName:'div'}), + event = spy.args[0][0]; + expect(event.type).to.equal('nodeAdded'); + expect(event.meta.node.sameNode(inserted)).to.be.true; + }); + + it('emits nodeMoved when inserting aready existing node after another', function() { + var node = elementNodeFromXML('
'), + a = node.contents()[0], + b = node.contents()[1], + spy = sinon.spy(); + node.document.on('change', spy); + var inserted = b.after(a), + event = spy.args[0][0]; + + expect(spy.callCount).to.equal(1); + expect(event.type).to.equal('nodeMoved'); + expect(event.meta.node.sameNode(inserted)).to.be.true; + }); + + it('emits nodeAdded event when inserting node before another', function() { + var node = elementNodeFromXML('
').contents()[0], + spy = sinon.spy(); + node.document.on('change', spy); + + var inserted = node.before({tagName:'div'}), + event = spy.args[0][0]; + expect(event.type).to.equal('nodeAdded'); + expect(event.meta.node.sameNode(inserted)).to.be.true; + }); + + it('emits nodeAdded when inserting aready existing node before another', function() { + var node = elementNodeFromXML('
'), + a = node.contents()[0], + b = node.contents()[1], + spy = sinon.spy(); + node.document.on('change', spy); + var inserted = a.before(b), + event = spy.args[0][0]; + + expect(spy.callCount).to.equal(1); + expect(event.type).to.equal('nodeMoved'); + expect(event.meta.node.sameNode(inserted)).to.be.true; + }); + + it('emits nodeDetached and nodeAdded when replacing root node with another', function() { + var doc = getDocumentFromXML(''), + oldRoot = doc.root, + spy = sinon.spy(); + + doc.on('change', spy); + + doc.root.replaceWith({tagName: 'b'}); + + expect(spy.callCount).to.equal(2); + + var event1 = spy.args[0][0], + event2 = spy.args[1][0]; + + expect(event1.type).to.equal('nodeDetached'); + expect(event1.meta.node.sameNode(oldRoot)).to.equal(true, 'root node in nodeDetached event metadata'); + expect(event2.type).to.equal('nodeAdded'); + expect(event2.meta.node.sameNode(doc.root)).to.equal(true, 'new root node in nodelAdded event meta'); + }); + + + ['append', 'prepend', 'before', 'after'].forEach(function(insertionMethod) { + it('emits nodeDetached for node moved from a document tree to out of document node ' + insertionMethod, function() { + var doc = getDocumentFromXML('
'), + a = doc.root.contents()[0], + spy = sinon.spy(); + + doc.on('change', spy); + + var newNode = doc.createDocumentNode({tagName: 'b'}), + newNodeInner = newNode.append({tagName:'c'}); + + newNodeInner[insertionMethod](a); + + var event = spy.args[0][0]; + expect(event.type).to.equal('nodeDetached'); + expect(event.meta.node.sameNode(a)); + }); + + it('doesn\'t emit nodeDetached event for already out of document moved to out of document node: ' + insertionMethod, function() { + var doc = getDocumentFromXML('
'), + a = doc.root.contents()[0], + spy = sinon.spy(); + + doc.on('change', spy); + + var newNode = doc.createDocumentNode({tagName: 'b'}); + var newNodeInner = newNode.append({tagName:'c'}); + + expect(spy.callCount).to.equal(0); + }); + }); + + + }); + + describe('Traversing', function() { + describe('Basic', function() { + it('can access node parent', function() { + var doc = getDocumentFromXML(''), + a = doc.root, + b = a.contents()[0]; + + expect(a.parent()).to.equal(null, 'parent of a root is null'); + expect(b.parent().sameNode(a)).to.be.true; + }); + it('can access node parents', function() { + var doc = getDocumentFromXML(''), + a = doc.root, + b = a.contents()[0], + c = b.contents()[0]; + + var parents = c.parents(); + // @@ + expect(parents[0].sameNode(b)).to.be.true; + expect(parents[1].sameNode(a)).to.be.true; + }); + }); + + describe('finding sibling parents of two elements', function() { + it('returns elements themself if they have direct common parent', function() { + var doc = getDocumentFromXML('
A
B
'), + wrappingDiv = doc.root.contents()[0], + divA = wrappingDiv.contents()[0], + divB = wrappingDiv.contents()[1]; + + var siblingParents = doc.getSiblingParents({node1: divA, node2: divB}); + + expect(siblingParents.node1.sameNode(divA)).to.equal(true, 'divA'); + expect(siblingParents.node2.sameNode(divB)).to.equal(true, 'divB'); + }); + + it('returns sibling parents - example 1', function() { + var doc = getDocumentFromXML('
Alice has a cat
'), + aliceText = doc.root.contents()[0], + span = doc.root.contents()[1], + spanText = span.contents()[0]; + + var siblingParents = doc.getSiblingParents({node1: aliceText, node2: spanText}); + + expect(siblingParents.node1.sameNode(aliceText)).to.equal(true, 'aliceText'); + expect(siblingParents.node2.sameNode(span)).to.equal(true, 'span'); + }); + }); }); describe('Serializing document to WLXML', function() { @@ -343,6 +830,382 @@ describe('smartxml', function() { }); }); + describe('Extension API', function() { + var doc, extension, elementNode, textNode, testClassNode; + + beforeEach(function() { + doc = getDocumentFromXML('
Alice
'); + elementNode = doc.root; + textNode = doc.root.contents()[0]; + extension = {}; + + expect(elementNode.testTransformation).to.be.undefined; + expect(textNode.testTransformation).to.be.undefined; + expect(doc.testTransformation).to.be.undefined; + + expect(doc.testMethod).to.be.undefined; + expect(elementNode.testMethod).to.be.undefined; + expect(textNode.testMethod).to.be.undefined; + expect(elementNode.elementTestMethod).to.be.undefined; + expect(textNode.textTestMethod).to.be.undefined; + }); + + it('allows adding method to a document', function() { + extension = {document: {methods: { + testMethod: function() { return this; } + }}}; + + doc.registerExtension(extension); + expect(doc.testMethod()).to.equal(doc, 'context is set to a document instance'); + }); + + it('allows adding transformation to a document', function() { + extension = {document: {transformations: { + testTransformation: function() { return this; }, + testTransformation2: {impl: function() { return this;}} + }}}; + + doc.registerExtension(extension); + expect(doc.testTransformation()).to.equal(doc, 'context is set to a document instance'); + expect(doc.testTransformation2()).to.equal(doc, 'context is set to a document instance'); + }); + + it('allows adding method to a DocumentNode instance', function() { + extension = { + documentNode: { + methods: { + testMethod: function() { return this; } + } + }, + textNode: { + methods: { + textTestMethod: function() { return this; } + } + }, + elementNode: { + methods: { + elementTestMethod: function() { return this; } + } + } + }; + + doc.registerExtension(extension); + + /* refresh */ + elementNode = doc.root; + textNode = doc.root.contents()[0]; + + expect(elementNode.testMethod().sameNode(elementNode)).to.equal(true, 'context is set to a node instance'); + expect(textNode.testMethod().sameNode(textNode)).to.equal(true, 'context is set to a node instance'); + + expect(elementNode.elementTestMethod().sameNode(elementNode)).to.be.true; + expect(elementNode.textTestMethod).to.be.undefined; + + expect(textNode.textTestMethod().sameNode(textNode)).to.be.true; + expect(textNode.elementTestMethod).to.be.undefined; + }); + + it('allows adding transformation to a DocumentNode', function() { + extension = { + documentNode: { + transformations: { + testTransformation: function() { return this; }, + testTransformation2: {impl: function() { return this;}} + } + }, + textNode: { + transformations: { + textTestTransformation: function() { return this; } + } + }, + elementNode: { + transformations: { + elementTestTransformation: function() { return this; } + } + } + }; + + doc.registerExtension(extension); + + /* refresh */ + elementNode = doc.root; + textNode = doc.root.contents()[0]; + + expect(elementNode.testTransformation().sameNode(elementNode)).to.equal(true, '1'); + expect(elementNode.testTransformation2().sameNode(elementNode)).to.equal(true, '2'); + expect(textNode.testTransformation().sameNode(textNode)).to.equal(true, '3'); + expect(textNode.testTransformation2().sameNode(textNode)).to.equal(true, '4'); + + expect(elementNode.elementTestTransformation().sameNode(elementNode)).to.be.true; + expect(elementNode.textTestTransformation).to.be.undefined; + + expect(textNode.textTestTransformation().sameNode(textNode)).to.be.true; + expect(textNode.elementTestTransfomation).to.be.undefined; + }); + + it('allows text/element node methods and transformations to access node and transormations on document node', function() { + + var doc = getDocumentFromXML('
text
'); + + doc.registerExtension({ + documentNode: { + methods: { + test: function() { + return 'super'; + } + }, + transformations: { + testT: function() { + return 'super_trans'; + } + } + }, + elementNode: { + methods: { + test: function() { + return 'element_sub_' + this.__super__.test(); + } + }, + transformations: { + testT: function() { + return 'element_trans_sub_' + this.__super__.testT(); + } + } + }, + textNode: { + methods: { + test: function() { + return 'text_sub_' + this.__super__.test(); + } + }, + transformations: { + testT: function() { + return 'text_trans_sub_' + this.__super__.testT(); + } + } + } + }); + + var textNode = doc.root.contents()[0]; + + expect(doc.root.test()).to.equal('element_sub_super'); + expect(textNode.test()).to.equal('text_sub_super'); + expect(doc.root.testT()).to.equal('element_trans_sub_super_trans'); + expect(textNode.testT()).to.equal('text_trans_sub_super_trans'); + }); + }); + + describe('Undo/redo', function() { + + it('smoke tests', function() { + var doc = getDocumentFromXML('
Alice
'), + textNode = doc.root.contents()[0]; + + expect(doc.undoStack).to.have.length(0); + + textNode.wrapWith({tagName: 'span', start:1, end:2}); + expect(doc.undoStack).to.have.length(1, '1'); + expect(doc.toXML()).to.equal('
Alice
'); + + doc.undo(); + expect(doc.undoStack).to.have.length(0, '2'); + expect(doc.toXML()).to.equal('
Alice
'); + + doc.redo(); + expect(doc.undoStack).to.have.length(1, '3'); + expect(doc.toXML()).to.equal('
Alice
'); + + doc.undo(); + expect(doc.undoStack).to.have.length(0, '4'); + expect(doc.toXML()).to.equal('
Alice
'); + + doc.undo(); + expect(doc.undoStack).to.have.length(0, '5'); + expect(doc.toXML()).to.equal('
Alice
'); + }); + + it('smoke tests 2', function() { + var doc = getDocumentFromXML('
Alice
'), + textNode = doc.root.contents()[0], + path = textNode.getPath(); + + textNode.setText('Alice '); + textNode.setText('Alice h'); + textNode.setText('Alice ha'); + textNode.setText('Alice has'); + + expect(textNode.getText()).to.equal('Alice has'); + + doc.undo(); + expect(doc.root.contents()[0].getText()).to.equal('Alice ha', '1'); + + doc.undo(); + expect(doc.root.contents()[0].getText()).to.equal('Alice h', '2'); + + doc.redo(); + expect(doc.root.contents()[0].getText()).to.equal('Alice ha', '3'); + + doc.redo(); + expect(doc.root.contents()[0].getText()).to.equal('Alice has', '4'); + + doc.undo(); + doc.undo(); + textNode = doc.getNodeByPath(path); + textNode.setText('Cat'); + doc.undo(); + textNode = doc.getNodeByPath(path); + expect(textNode.getText()).to.equal('Alice h'); + }); + + + var sampleMethod = function(val) { + this._$.attr('x', val); + }; + + var transformations = { + 'unaware': sampleMethod, + 'returning change root': { + impl: sampleMethod, + getChangeRoot: function() { + return this.context; + } + }, + 'implementing undo operation': { + impl: function(t, val) { + t.oldVal = this.getAttr('x'); + sampleMethod.call(this, val); + }, + undo: function(t) { + this.setAttr('x', t.oldVal); + } + } + }; + + _.pairs(transformations).forEach(function(pair) { + var name = pair[0], + transformaton = pair[1]; + + describe(name + ' transformation: ', function() { + var doc, node, nodePath; + + beforeEach(function() { + doc = getDocumentFromXML('
'); + + doc.registerExtension({elementNode: {transformations: { + test: transformaton + }}}); + + node = doc.root.contents()[0]; + nodePath = node.getPath(); + }); + + it('transforms as expected', function() { + node.test('new'); + expect(node.getAttr('x')).to.equal('new'); + }); + + it('can be undone', function() { + node.test('new'); + doc.undo(); + node = doc.getNodeByPath(nodePath); + expect(node.getAttr('x')).to.equal('old'); + }); + + it('can be undone and then redone', function() { + node.test('new'); + doc.undo(); + doc.redo(); + node = doc.getNodeByPath(nodePath); + expect(node.getAttr('x')).to.equal('new'); + }); + + it('handles a sample scenario', function() { + doc.root.contents()[0].test('1'); + doc.root.contents()[0].test('2'); + doc.root.contents()[0].test('3'); + doc.root.contents()[0].test('4'); + doc.root.contents()[0].test('5'); + + expect(doc.root.contents()[0].getAttr('x')).to.equal('5', 'after initial transformations'); + doc.undo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undo 1.1'); + doc.undo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('3', 'undo 1.2'); + doc.redo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'redo 1.1'); + doc.redo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('5', 'redo 1.2'); + doc.undo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undo 2.1'); + doc.root.contents()[0].test('10'); + expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'additional transformation'); + expect(doc.redoStack.length).to.equal(0, 'transformation cleared redo stack'); + doc.redo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'empty redoStack so redo was noop'); + doc.undo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undoing additional transformation'); + doc.redo(); + expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'redoing additional transformation'); + }); + }); + }); + + // it('does work', function() { + // var doc = getDocumentFromXML('
Alice
'), + // span = doc.root.contents()[0]; + + // span.transform('smartxml.detach'); + + + // doc.undo(); + + // expect(doc.root.contents()).to.have.length(1); + // expect(doc.root.contents()[0].getTagName()).to.equal('span'); + // expect(doc.root.contents()[0].contents()[0].getText()).to.equal('Alice'); + + // doc.redo(); + // expect(doc.root.contents()).to.have.length(0); + + // doc.undo(); + // expect(doc.root.contents()).to.have.length(1); + // expect(doc.root.contents()[0].getTagName()).to.equal('span'); + // expect(doc.root.contents()[0].contents()[0].getText()).to.equal('Alice'); + + // }); + // it('does work - merged text nodes case', function() { + // var doc = getDocumentFromXML('
Alice has a cat.
'), + // span = doc.root.contents()[1]; + + // span.transform('smartxml.detach'); + + + // doc.undo(); + + // expect(doc.root.contents().length).to.equal(3); + // //console.log(doc.toXML()); + // expect(doc.root.contents()[1].contents()[0].getText()).to.equal('has'); + + // }); + // it('dbg - don not store nodes in tranformation state!', function() { + // var doc = getDocumentFromXML('
'), + // a = doc.root.contents()[0], + // b = doc.root.contents()[1]; + + // a.transform('smartxml.detach'); + // b.transform('smartxml.detach'); + // doc.undo(); + // doc.undo(); + // expect(doc.root.contents().length).to.equal(2); + // expect(doc.root.contents()[0].getTagName()).to.equal('a'); + // expect(doc.root.contents()[1].getTagName()).to.equal('b'); + + // doc.redo(); + // doc.redo(); + // expect(doc.root.contents().length).to.equal(0); + + // }); + }); + }); }); \ No newline at end of file