extensions api wip - 1 canvas test fails because of setting setText trans via old api

[fnpeditor.git] / src / smartxml / smartxml.test.js

diff --git a/src/smartxml/smartxml.test.js b/src/smartxml/smartxml.test.js
index 4f9a72a..8d0ca4b 100644 (file)
--- a/src/smartxml/smartxml.test.js
+++ b/src/smartxml/smartxml.test.js
@@ -6,7 +6,7 @@ define([
     
 'use strict';
 /*jshint expr:true */
     
 'use strict';
 /*jshint expr:true */

-/* global describe, it, beforeEach */
+/* global describe, it, beforeEach, Node, DOMParser */

 
 var expect = chai.expect;
 
 
 var expect = chai.expect;
 


@@ -40,6 +40,59 @@ describe('smartxml', function() {
             doc.loadXML('<header></header>');
             expect(doc.root.getTagName()).to.equal('header');
         });
             doc.loadXML('<header></header>');
             expect(doc.root.getTagName()).to.equal('header');
         });

+
+        it('knows if it contains an ElementNode in its tree', function() {
+            var doc = getDocumentFromXML('<root><a></a>text</root>'),
+                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('<div></div>'),
+                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('<div>Alice</div>'),
+                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('<root><a><b><c></c>text</b></a></root>'),
+                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() {
     });
 
     describe('Basic ElementNode properties', function() {


@@ -251,6 +304,59 @@ describe('smartxml', function() {
 
     describe('Manipulations', function() {
 
 
     describe('Manipulations', function() {
 

+        describe('replacing node with another one', function() {
+            it('replaces node with another one', function() {
+                var doc = getDocumentFromXML('<div><a></a></div>'),
+                    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('<div></div>');
+
+                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('<div>Alice <span>has</span>a cat</div>'),
+                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('<div><a></a><b></b><c></c></div>'),
+                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('<div></div>');
+
+            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'}),
         it('appends element node to another element node', function() {
             var node1 = elementNodeFromParams({tag: 'div'}),
                 node2 = elementNodeFromParams({tag: 'a'}),


@@ -291,11 +397,37 @@ describe('smartxml', function() {
             expect(node.contents()[2].getText()).to.equal(' a cat!');
         });
 
             expect(node.contents()[2].getText()).to.equal(' a cat!');
         });
 

+        it('unwrap single element node from its parent', function() {
+            var doc = getDocumentFromXML('<div><a><b></b></a></div>'),
+                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('<div>Some <span>text</span>!</div>'),
+                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('<section>Alice has a <span>small</span> cat</section>'),
                     wrapper = section.wrapText({
         describe('Wrapping text', function() {
             it('wraps text spanning multiple sibling TextNodes', function() {
                 var section = elementNodeFromXML('<section>Alice has a <span>small</span> cat</section>'),
                     wrapper = section.wrapText({

-                        _with: {tag: 'span', attrs: {'attr1': 'value1'}},
+                        _with: {tagName: 'span', attrs: {'attr1': 'value1'}},

                         offsetStart: 6,
                         offsetEnd: 4,
                         textNodeIdx: [0,2]
                         offsetStart: 6,
                         offsetEnd: 4,
                         textNodeIdx: [0,2]


@@ -307,6 +439,7 @@ describe('smartxml', function() {
 
                 var wrapper2 = section.contents()[1];
                 expect(wrapper2.sameNode(wrapper)).to.be.true;
 
                 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);
 
                 var wrapperContents = wrapper.contents();
                 expect(wrapperContents.length).to.equal(3);


@@ -326,16 +459,16 @@ describe('smartxml', function() {
                     lastDiv = section.contents()[section.contents().length -1];
 
                 var returned = section.document.wrapNodes({
                     lastDiv = section.contents()[section.contents().length -1];
 
                 var returned = section.document.wrapNodes({

-                        element1: aliceText,
-                        element2: lastDiv,
+                        node1: aliceText,
+                        node2: lastDiv,

                         _with: {tagName: 'header'}
                     });
 
                         _with: {tagName: 'header'}
                     });
 

-                var sectionContents = section.contents(),
-                    header = sectionContents[0],
+                var sectionContentss = section.contents(),
+                    header = sectionContentss[0],

                     headerContents = header.contents();
 
                     headerContents = header.contents();
 

-                expect(sectionContents).to.have.length(1);
+                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(header.sameNode(returned)).to.equal(true, 'wrapper returned');
                 expect(header.parent().sameNode(section)).to.be.true;
                 expect(headerContents).to.have.length(3);


@@ -350,16 +483,16 @@ describe('smartxml', function() {
                     div3 = section.contents()[2];
 
                 section.document.wrapNodes({
                     div3 = section.contents()[2];
 
                 section.document.wrapNodes({

-                        element1: div2,
-                        element2: div3,
+                        node1: div2,
+                        node2: div3,

                         _with: {tagName: 'header'}
                     });
 
                         _with: {tagName: 'header'}
                     });
 

-                var sectionContents = section.contents(),
-                    header = sectionContents[1],
+                var sectionContentss = section.contents(),
+                    header = sectionContentss[1],

                     headerChildren = header.contents();
 
                     headerChildren = header.contents();
 

-                expect(sectionContents).to.have.length(3);
+                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');
                 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');


@@ -368,7 +501,100 @@ describe('smartxml', function() {
 
     });
 
 
     });
 

+    describe('Splitting text', function() {
+    
+        it('splits TextNode\'s parent into two ElementNodes', function() {
+            var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
+                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('<section><header>Some header</header></section>'),
+                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('<section><header>Some header</header></section>'),
+                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('<section><header>A <span>fancy</span> and <span>nice</span> header</header></section>'),
+                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() {
     describe('Events', function() {

+        it('emits nodeDetached event on node detach', function() {
+            var node = elementNodeFromXML('<div><div></div></div>'),
+                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('<div></div>'),
                 spy = sinon.spy();
         it('emits nodeAdded event when appending new node', function() {
             var node = elementNodeFromXML('<div></div>'),
                 spy = sinon.spy();


@@ -380,14 +606,19 @@ describe('smartxml', function() {
             expect(event.meta.node.sameNode(appended)).to.be.true;
         });
         
             expect(event.meta.node.sameNode(appended)).to.be.true;
         });
         

-        it('doesn\'t emit nodeAdded when appending aready existing node', function() {
+        it('emits nodeMoved when appending aready existing node', function() {

             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);
             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);

-            a.append(b);
-            expect(spy.callCount).to.equal(0);
+            
+            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() {
         });
         
         it('emits nodeAdded event when prepending new node', function() {


@@ -401,14 +632,18 @@ describe('smartxml', function() {
             expect(event.meta.node.sameNode(prepended)).to.be.true;
         });
         
             expect(event.meta.node.sameNode(prepended)).to.be.true;
         });
         

-        it('doesn\'t emit nodeAdded when prepending aready existing node', function() {
+        it('emits nodeMoved when prepending aready existing node', function() {

             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);
             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);

-            a.prepend(b);
-            expect(spy.callCount).to.equal(0);
+            
+            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() {
         });
         
         it('emits nodeAdded event when inserting node after another', function() {


@@ -422,14 +657,18 @@ describe('smartxml', function() {
             expect(event.meta.node.sameNode(inserted)).to.be.true;
         });
         
             expect(event.meta.node.sameNode(inserted)).to.be.true;
         });
         

-        it('doesn\'t emit nodeAdded when inserting aready existing node after another', function() {
+        it('emits nodeMoved when inserting aready existing node after another', function() {

             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);
             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);

-            b.after(a);
-            expect(spy.callCount).to.equal(0);
+            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() {
         });
 
         it('emits nodeAdded event when inserting node before another', function() {


@@ -443,14 +682,108 @@ describe('smartxml', function() {
             expect(event.meta.node.sameNode(inserted)).to.be.true;
         });
         
             expect(event.meta.node.sameNode(inserted)).to.be.true;
         });
         

-        it('doesn\'t emit nodeAdded when inserting aready existing node before another', function() {
+        it('emits nodeAdded when inserting aready existing node before another', function() {

             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);
             var node = elementNodeFromXML('<div><a></a><b></b></div>'),
                 a = node.contents()[0],
                 b = node.contents()[1],
                 spy = sinon.spy();
             node.document.on('change', spy);

-            a.before(b);
-            expect(spy.callCount).to.equal(0);
+            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('<a></a>'),
+                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('<div><a></a></div>'),
+                    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));
+            });
+        });
+
+
+    });
+
+    describe('Traversing', function() {
+        describe('Basic', function() {
+            it('can access node parent', function() {
+                var doc = getDocumentFromXML('<a><b></b></a>'),
+                    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><b><c></c></b></a>'),
+                    a = doc.root,
+                    b = a.contents()[0],
+                    c = b.contents()[0];
+
+                var parents = c.parents();
+                expect(parents).to.eql([b,a]);
+            });
+        });
+
+        describe('finding sibling parents of two elements', function() {
+            it('returns elements themself if they have direct common parent', function() {
+                var doc = getDocumentFromXML('<section><div><div>A</div><div>B</div></div></section>'),
+                    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('<section>Alice <span>has a cat</span></section>'),
+                    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');
+            });

         });
     });
 
         });
     });
 


@@ -481,6 +814,64 @@ describe('smartxml', function() {
         });
     });
 
         });
     });
 

+    describe('Undo/redo', function() {
+
+        it('does work', function() {
+            var doc = getDocumentFromXML('<section><span>Alice</span></section>'),
+                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('<section>Alice <span>has</span> a cat.</section>'),
+                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('<section><a></a><b></b></section>'),
+                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);
+
+        });
+    });
+

 });
 
 });
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 });
 
 });
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