integration wip: nodePane, familyTree, breadcrumbs

[fnpeditor.git] / modules / documentCanvas / canvas / canvas.test3.js

diff --git a/modules/documentCanvas/canvas/canvas.test3.js b/modules/documentCanvas/canvas/canvas.test3.js
index 77b3b19..3778698 100644 (file)
--- a/modules/documentCanvas/canvas/canvas.test3.js
+++ b/modules/documentCanvas/canvas/canvas.test3.js
@@ -1,8 +1,9 @@
 define([
 'libs/chai',
 define([
 'libs/chai',

+'libs/sinon',

 'modules/documentCanvas/canvas/canvas',
 'modules/documentCanvas/canvas/documentElement'
 'modules/documentCanvas/canvas/canvas',
 'modules/documentCanvas/canvas/documentElement'

-], function(chai, canvas, documentElement) {
+], function(chai, sinon, canvas, documentElement) {

     
 'use strict';
 
     
 'use strict';
 


@@ -11,6 +12,38 @@ var expect = chai.expect;
 
 describe('Canvas', function() {
 
 
 describe('Canvas', function() {
 

+    describe('Internal HTML representation of a sample document', function() {
+        it('works', function() {
+            var c = canvas.fromXML('\
+                <section>\
+                    This is some text without its own wrapping tag.\
+                    <div class="p.subclass">\
+                        This is a paragraph.\
+                    </div>\
+                    <div>\
+                        This is text in a div <span>with some inline text</span>.\
+                    </div>\
+                    This is some text without its own wrapping tag.\
+                </section>\
+            ');
+            var expected = '<div wlxml-tag="section">'
+                            + '<div wlxml-text>This is some text without its own wrapping tag.</div>'
+                            + '<div wlxml-tag="div" wlxml-class="p-subclass">'
+                            +   '<div wlxml-text>This is a paragraph.</div>'
+                            + '</div>'
+                            + '<div wlxml-tag="div">'
+                            +   '<div wlxml-text>This is text in a div </div>'
+                            +   '<div wlxml-tag="span">'
+                            +       '<div wlxml-text>with some inline text</div>'
+                            +   '</div>'
+                            +   '<div wlxml-text>.</div>'
+                            + '</div>'
+                            + '<div wlxml-text>This is some text without its own wrapping tag.</div>'
+                            + '</div>';
+            expect(c.doc().dom()[0].isEqualNode($(expected)[0])).to.be.true;
+        });
+    });
+

     describe('Internal HTML representation of a DocumentNodeElement', function() {
         it('is always a div tag', function() {
             ['section', 'header', 'span', 'aside', 'figure'].forEach(function(tagName) {
     describe('Internal HTML representation of a DocumentNodeElement', function() {
         it('is always a div tag', function() {
             ['section', 'header', 'span', 'aside', 'figure'].forEach(function(tagName) {


@@ -29,9 +62,13 @@ describe('Canvas', function() {
     });
 
     describe('Internal HTML representation of a DocumentTextElement', function() {
     });
 
     describe('Internal HTML representation of a DocumentTextElement', function() {

-        it('is just a TextNode', function() {
+        it('is text node wrapped in a div with wlxml-text attribute set', function() {

             var dom = canvas.fromXML('<section>Alice</section>').doc().children()[0].dom();
             var dom = canvas.fromXML('<section>Alice</section>').doc().children()[0].dom();

-            expect(dom[0].nodeType === Node.TEXT_NODE);
+            expect(dom.prop('tagName')).to.equal('DIV');
+            expect(dom.attr('wlxml-text')).to.equal('');
+            expect(dom.contents().length).to.equal(1);
+            expect(dom.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
+            expect($(dom.contents()[0]).text()).to.equal('Alice');

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


@@ -43,7 +80,14 @@ describe('Canvas', function() {
 
         it('gives access to its document root node', function() {
             var c = canvas.fromXML('<section></section>');
 
         it('gives access to its document root node', function() {
             var c = canvas.fromXML('<section></section>');

-            expect(c.doc().wlxmlTag).to.equal('section');
+            expect(c.doc().getWlxmlTag()).to.equal('section');
+        });
+
+        describe('root element', function() {
+            it('has no parent', function() {
+                var c = canvas.fromXML('<section></section>');
+                expect(c.doc().parent()).to.be.null;
+            });

         });
 
         describe('DocumentTextElement', function() {
         });
 
         describe('DocumentTextElement', function() {


@@ -79,8 +123,31 @@ describe('Canvas', function() {
                 expect(section.getWlxmlClass()).to.equal('some.class');
                 section.setWlxmlClass('some.other.class');
                 expect(section.getWlxmlClass()).to.equal('some.other.class');
                 expect(section.getWlxmlClass()).to.equal('some.class');
                 section.setWlxmlClass('some.other.class');
                 expect(section.getWlxmlClass()).to.equal('some.other.class');

+                section.setWlxmlClass(null);
+                expect(section.getWlxmlClass()).to.be.undefined;

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

+
+        it('returns DocumentNodeElement instance from HTMLElement', function() {
+            var c = canvas.fromXML('<section></section>'),
+                htmlElement = c.doc().dom().get(0),
+                element = c.getDocumentElement(htmlElement);
+            expect(element).to.be.instanceOf(documentElement.DocumentNodeElement);
+            expect(element.sameNode(c.doc()));
+        });
+        
+        it('returns DocumentTextElement instance from Text Node', function() {
+            var c = canvas.fromXML('<section>Alice</section>'),
+                aliceElement = c.doc().children()[0],
+                textNode = aliceElement.dom().contents()[0],
+                element = c.getDocumentElement(textNode);
+
+            expect(textNode.nodeType).to.equal(Node.TEXT_NODE, 'text node selected');
+            expect($(textNode).text()).to.equal('Alice');
+
+            expect(element).to.be.instanceOf(documentElement.DocumentTextElement);
+            expect(element.sameNode(c.doc().children()[0]));
+        });

     });
 
 
     });
 
 


@@ -281,14 +348,42 @@ describe('Canvas', function() {
                     var header1 = section.children()[0];
                     var header2 = section.children()[1];
 
                     var header1 = section.children()[0];
                     var header2 = section.children()[1];
 

-                    expect(header1.wlxmlTag).to.equal('header', 'first section child represents wlxml header');
+                    expect(header1.getWlxmlTag()).to.equal('header', 'first section child represents wlxml header');

                     expect(header1.children().length).to.equal(1, 'first header has one text child');
                     expect(header1.children()[0].getText()).to.equal('Some ', 'first header has correct content');
                     expect(header1.children().length).to.equal(1, 'first header has one text child');
                     expect(header1.children()[0].getText()).to.equal('Some ', 'first header has correct content');

-                    expect(header2.wlxmlTag).to.equal('header', 'second section child represents wlxml header');
+                    expect(header2.getWlxmlTag()).to.equal('header', 'second section child represents wlxml header');

                     expect(header2.children().length).to.equal(1, 'second header has one text child');
                     expect(header2.children()[0].getText()).to.equal('header', 'second header has correct content');
                 });
 
                     expect(header2.children().length).to.equal(1, 'second header has one text child');
                     expect(header2.children()[0].getText()).to.equal('header', 'second header has correct content');
                 });
 

+                it('leaves empty copy of DocumentNodeElement if splitting at the very beginning', function() {
+                        var c = canvas.fromXML('<section><header>Some header</header></section>'),
+                        section = c.doc(),
+                        text = section.children()[0].children()[0];
+
+                        text.split({offset: 0});
+                        
+                        var header1 = section.children()[0];
+                        var header2 = section.children()[1];
+
+                        expect(header1.children().length).to.equal(0);
+                        expect(header2.children()[0].getText()).to.equal('Some header');
+                });
+
+                it('leaves empty copy of DocumentNodeElement if splitting at the very end', function() {
+                        var c = canvas.fromXML('<section><header>Some header</header></section>'),
+                        section = c.doc(),
+                        text = section.children()[0].children()[0];
+
+                        text.split({offset: 11});
+                        
+                        var header1 = section.children()[0];
+                        var header2 = section.children()[1];
+
+                        expect(header1.children()[0].getText()).to.equal('Some header');
+                        expect(header2.children().length).to.equal(0);
+                });
+

                 it('keeps DocumentTextElement\'s parent\'s children elements intact', function() {
                     var c = canvas.fromXML('\
                             <section>\
                 it('keeps DocumentTextElement\'s parent\'s children elements intact', function() {
                     var c = canvas.fromXML('\
                             <section>\


@@ -304,19 +399,19 @@ describe('Canvas', function() {
                     
                     var sectionChildren = section.children();
                     expect(sectionChildren.length).to.equal(2, 'Section has two children');
                     
                     var sectionChildren = section.children();
                     expect(sectionChildren.length).to.equal(2, 'Section has two children');

-                    expect(sectionChildren[0].wlxmlTag).to.equal('header', 'First section element is a wlxml header');
-                    expect(sectionChildren[1].wlxmlTag).to.equal('header', 'Second section element is a wlxml header');
+                    expect(sectionChildren[0].getWlxmlTag()).to.equal('header', 'First section element is a wlxml header');
+                    expect(sectionChildren[1].getWlxmlTag()).to.equal('header', 'Second section element is a wlxml header');

 
                     var firstHeaderChildren = sectionChildren[0].children();
                     expect(firstHeaderChildren.length).to.equal(3, 'First header has three children');
                     expect(firstHeaderChildren[0].getText()).to.equal('A ', 'First header starts with a text');
 
                     var firstHeaderChildren = sectionChildren[0].children();
                     expect(firstHeaderChildren.length).to.equal(3, 'First header has three children');
                     expect(firstHeaderChildren[0].getText()).to.equal('A ', 'First header starts with a text');

-                    expect(firstHeaderChildren[1].wlxmlTag).to.equal('span', 'First header has span in the middle');
+                    expect(firstHeaderChildren[1].getWlxmlTag()).to.equal('span', 'First header has span in the middle');

                     expect(firstHeaderChildren[2].getText()).to.equal(' a', 'First header ends with text');
 
                     var secondHeaderChildren = sectionChildren[1].children();
                     expect(secondHeaderChildren.length).to.equal(3, 'Second header has three children');
                     expect(secondHeaderChildren[0].getText()).to.equal('nd ', 'Second header starts with text');
                     expect(firstHeaderChildren[2].getText()).to.equal(' a', 'First header ends with text');
 
                     var secondHeaderChildren = sectionChildren[1].children();
                     expect(secondHeaderChildren.length).to.equal(3, 'Second header has three children');
                     expect(secondHeaderChildren[0].getText()).to.equal('nd ', 'Second header starts with text');

-                    expect(secondHeaderChildren[1].wlxmlTag).to.equal('span', 'Second header has span in the middle');
+                    expect(secondHeaderChildren[1].getWlxmlTag()).to.equal('span', 'Second header has span in the middle');

                     expect(secondHeaderChildren[2].getText()).to.equal(' header', 'Second header ends with text');
                 });
             });
                     expect(secondHeaderChildren[2].getText()).to.equal(' header', 'Second header ends with text');
                 });
             });


@@ -332,6 +427,8 @@ describe('Canvas', function() {
 
                     expect(returned.sameNode(parent)).to.be.true;
                     expect(returned.sameNode(parent2)).to.be.true;
 
                     expect(returned.sameNode(parent)).to.be.true;
                     expect(returned.sameNode(parent2)).to.be.true;

+                    expect(returned.getWlxmlTag()).to.equal('header');
+                    expect(returned.getWlxmlClass()).to.equal('some.class');

                 });
                 it('wraps DocumentTextElement', function() {
                     var c = canvas.fromXML('<section>Alice</section>'),
                 });
                 it('wraps DocumentTextElement', function() {
                     var c = canvas.fromXML('<section>Alice</section>'),


@@ -343,26 +440,46 @@ describe('Canvas', function() {
 
                     expect(returned.sameNode(parent)).to.be.true;
                     expect(returned.sameNode(parent2)).to.be.true;
 
                     expect(returned.sameNode(parent)).to.be.true;
                     expect(returned.sameNode(parent2)).to.be.true;

+                    expect(returned.getWlxmlTag()).to.equal('header');
+                    expect(returned.getWlxmlClass()).to.equal('some.class');

                 });
                 
                 });
                 

-                it('wraps part of DocumentTextElement', function() {
-                    var c = canvas.fromXML('<section>Alice has a cat</section>'),
-                        text = c.doc().children()[0];
-                    
-                    var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 5, end: 12}),
-                        children = c.doc().children();
+                describe('wrapping part of DocumentTextElement', function() {
+                    [{start: 5, end: 12}, {start: 12, end: 5}].forEach(function(offsets) {
+                        it('wraps in the middle ' + offsets.start + '/' + offsets.end, function() {
+                            var c = canvas.fromXML('<section>Alice has a cat</section>'),
+                                text = c.doc().children()[0];
+                            
+                            var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: offsets.start, end: offsets.end}),
+                                children = c.doc().children();

 
 

-                    expect(children.length).to.equal(3);
-                    
-                    expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
-                    expect(children[0].getText()).to.equal('Alice');
+                            expect(children.length).to.equal(3);
+                            
+                            expect(children[0]).to.be.instanceOf(documentElement.DocumentTextElement);
+                            expect(children[0].getText()).to.equal('Alice');

 
 

-                    expect(children[1].sameNode(returned)).to.be.true;
-                    expect(children[1].children().length).to.equal(1);
-                    expect(children[1].children()[0].getText()).to.equal(' has a ');
+                            expect(children[1].sameNode(returned)).to.be.true;
+                            expect(returned.getWlxmlTag()).to.equal('header');
+                            expect(returned.getWlxmlClass()).to.equal('some.class');
+                            expect(children[1].children().length).to.equal(1);
+                            expect(children[1].children()[0].getText()).to.equal(' has a ');

 
 

-                    expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
-                    expect(children[2].getText()).to.equal('cat');
+                            expect(children[2]).to.be.instanceOf(documentElement.DocumentTextElement);
+                            expect(children[2].getText()).to.equal('cat');
+                        });
+                    });
+
+                    it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
+                         var c = canvas.fromXML('<section>Alice has a cat</section>'),
+                             text = c.doc().children()[0];
+                         
+                         var returned = text.wrapWithNodeElement({tag: 'header', klass: 'some.class', start: 0, end: 15}),
+                             children = c.doc().children();
+
+                         expect(children.length).to.equal(1);
+                         expect(children[0]).to.be.instanceOf(documentElement.DocumentNodeElement);
+                         expect(children[0].children()[0].getText()).to.equal('Alice has a cat');
+                    });

                 });
 
                 it('wraps text spanning multiple sibling DocumentTextNodes', function() {
                 });
 
                 it('wraps text spanning multiple sibling DocumentTextNodes', function() {


@@ -394,35 +511,513 @@ describe('Canvas', function() {
                     expect(wrapperChildren[2].getText()).to.equal(' cat');
                 });
             });
                     expect(wrapperChildren[2].getText()).to.equal(' cat');
                 });
             });

+
+            describe('unwrapping', function() {
+                it('unwraps DocumentTextElement from its parent DocumentNodeElement if it\'s its only child', function() {
+                    var c = canvas.fromXML('<section>Alice <span>has a</span> cat</section>'),
+                    section = c.doc(),
+                    text = section.children()[1].children()[0];
+
+                    text.unwrap();
+
+                    expect(section.children().length).to.equal(1, 'section has one child');
+                    expect(section.children()[0].getText()).to.equal('Alice has a cat');
+                })
+            });

         });
 
         describe('Lists api', function() {
         });
 
         describe('Lists api', function() {

-            it('allows creation of a list from existing sibling DocumentElements', function() {
-                var c = canvas.fromXML('\
-                    <section>\
-                        Alice\
-                        <div>has</div>\
-                        a\
-                        <div>cat</div>\
-                    </section>'),
-                    section = c.doc(),
-                    textAlice = section.children()[0],
-                    divCat = section.children()[3]
+            describe('creating lists', function() {
+                it('allows creation of a list from existing sibling DocumentElements', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            Alice\
+                            <div>has</div>\
+                            a\
+                            <div>cat</div>\
+                        </section>'),
+                        section = c.doc(),
+                        textHas = section.children()[1],
+                        divA = section.children()[2]
+                    
+                    c.list.create({element1: textHas, element2: divA});
+
+                    expect(section.children().length).to.equal(3, 'section has three child elements');
+
+                    var child1 = section.children()[0],
+                        list = section.children()[1],
+                        child3 = section.children()[2];
+
+                    expect(child1.getText()).to.equal('Alice');
+                    expect(list.is('list')).to.equal(true, 'second child is a list');
+                    expect(list.children().length).to.equal(2, 'list contains two elements');
+                    list.children().forEach(function(child) {
+                        expect(child.getWlxmlClass()).to.equal('item', 'list childs have wlxml class of item');
+                    });
+                    expect(child3.children()[0].getText()).to.equal('cat');
+                });

                 
                 

-                c.list.create({element1: textAlice, element2: divCat});
+                it('allows creating nested list from existing sibling list items', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list-items">\
+                                <div class="item">A</div>\
+                                <div class="item">B</div>\
+                                <div class="item">C</div>\
+                                <div class="item">D</div>\
+                            </div>\
+                        </section>'),
+                        outerList = c.doc().children()[0],
+                        itemB = outerList.children()[1],
+                        itemC = outerList.children()[2];
+
+
+                        c.list.create({element1: itemB, element2: itemC});
+
+                    var outerListItems = outerList.children(),
+                        innerList = outerListItems[1].children()[0],
+                        innerListItems = innerList.children();
+
+                    expect(outerListItems.length).to.equal(3, 'outer list has three items');
+                    expect(outerListItems[0].children()[0].getText()).to.equal('A', 'first outer item ok');
+                    expect(outerListItems[1].getWlxmlClass()).to.equal('item', 'inner list is wrapped by item element');
+
+                    expect(innerList.is('list')).to.equal(true, 'inner list created');
+                    expect(innerListItems.length).to.equal(2, 'inner list has two items');
+                    expect(innerListItems[0].children()[0].getText()).to.equal('B', 'first inner item ok');
+                    expect(innerListItems[1].children()[0].getText()).to.equal('C', 'second inner item ok');
+
+                    expect(outerListItems[2].children()[0].getText()).to.equal('D', 'last outer item ok');
+
+                });
+
+            });
+
+            describe('extracting list items', function() {
+                it('creates two lists with extracted items in the middle if extracting from the middle of the list', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">1</div>\
+                                <div class="item">2</div>\
+                                <div class="item">3</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        item1 = list.children()[1],
+                        item2 = list.children()[2];
+
+                    c.list.extractItems({element1: item1, element2: item2});
+
+                    var section = c.doc(),
+                        list1 = section.children()[0],
+                        oldItem1 = section.children()[1],
+                        oldItem2 = section.children()[2],
+                        list2 = section.children()[3];
+
+                    expect(section.children().length).to.equal(4, 'section contains four children');
+                    
+                    expect(list1.is('list')).to.equal(true, 'first section child is a list');
+                    expect(list1.children().length).to.equal(1, 'first list has one child');
+                    expect(list1.children()[0].children()[0].getText()).to.equal('0', 'first item of the first list is a first item of the original list');
+
+                    expect(oldItem1.children()[0].getText()).to.equal('1', 'first item got extracted');
+                    expect(oldItem1.getWlxmlClass() === undefined).to.equal(true, 'first extracted element has no wlxml class');
+
+                    expect(oldItem2.children()[0].getText()).to.equal('2', 'second item got extracted');
+                    expect(oldItem2.getWlxmlClass() === undefined).to.equal(true, 'second extracted element has no wlxml class');
+
+                    expect(list2.is('list')).to.equal(true, 'last section child is a list');
+                    expect(list2.children().length).to.equal(1, 'second list has one child');
+                    expect(list2.children()[0].children()[0].getText()).to.equal('3', 'first item of the second list is a last item of the original list');
+                });
+
+                it('puts extracted items above the list if starting item is the first one', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">1</div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1],
+                        item3 = list.children()[2];
+
+                    c.list.extractItems({element1: item1, element2: item2});
+
+                    var section = c.doc(),
+                        oldItem1 = section.children()[0],
+                        oldItem2 = section.children()[1],
+                        newList = section.children()[2];
+
+                    expect(section.children().length).to.equal(3, 'section has three children');
+                    expect(oldItem1.children()[0].getText()).to.equal('0', 'first item extracted');
+                    expect(oldItem2.children()[0].getText()).to.equal('1', 'second item extracted');
+                    expect(newList.is('list')).to.equal(true, 'list lies below extracted item');
+                    expect(newList.children().length).to.equal(1, 'list has now one child');
+                });

 
 

-                expect(section.children().length).to.equal(1, 'section has one child element');
+                it('puts extracted items below the list if ending item is the last one', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">1</div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1],
+                        item3 = list.children()[2];
+
+                    c.list.extractItems({element1: item2, element2: item3});
+
+                    var section = c.doc(),
+                        oldItem1 = section.children()[1],
+                        oldItem2 = section.children()[2],
+                        newList = section.children()[0];
+
+                    expect(section.children().length).to.equal(3, 'section has three children');
+                    expect(oldItem1.children()[0].getText()).to.equal('1', 'first item extracted');
+                    expect(oldItem2.children()[0].getText()).to.equal('2', 'second item extracted');
+                    expect(newList.is('list')).to.equal(true, 'list lies above extracted item');
+                    expect(newList.children().length).to.equal(1, 'list has now one child');
+                });
+
+                it('removes list if all its items are extracted', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">some item</div>\
+                                <div class="item">some item 2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1];
+
+                    c.list.extractItems({element1: item1, element2: item2});
+
+                    var section = c.doc(),
+                        list1 = section.children()[0],
+                        oldItem1 = section.children()[0],
+                        oldItem2 = section.children()[1];
+
+                    expect(section.children().length).to.equal(2, 'section contains two children');
+                    expect(oldItem1.children()[0].getText()).to.equal('some item');
+                    expect(oldItem2.children()[0].getText()).to.equal('some item 2');
+                });
+
+                it('creates two lists with extracted items in the middle if extracting from the middle of the list - nested case' , function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">\
+                                    <div class="list.items">\
+                                        <div class="item">1.1</div>\
+                                        <div class="item">1.2</div>\
+                                        <div class="item">1.3</div>\
+                                    </div>\
+                                </div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        nestedList = list.children()[1].children()[0],
+                        nestedListItem = nestedList.children()[1];
+
+                    c.list.extractItems({element1: nestedListItem, element2: nestedListItem});
+
+                    var section = c.doc(),
+                        list = section.children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1], //
+                        item3 = list.children()[2],
+                        item4 = list.children()[3], //
+                        item5 = list.children()[4],
+                        nestedList1 = item2.children()[0],
+                        nestedList2 = item4.children()[0];
+
+                    expect(list.children().length).to.equal(5, 'top list has five items');
+                    
+                    expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
+
+                    expect(item2.getWlxmlClass()).to.equal('item', 'first nested list is still wrapped in item element');
+                    expect(nestedList1.children().length).to.equal(1, 'first nested list is left with one child');
+                    expect(nestedList1.children()[0].children()[0].getText()).to.equal('1.1', 'first nested list item left alone');
+                    
+                    expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');

 
 

-                var list = section.children()[0];
-                expect(list.is('list')).to.equal(true, 'section\'s only child is a list');
-                expect(list.children().length).to.equal(4, 'list contains four elements');
-                list.children().forEach(function(child) {
-                    expect(child.getWlxmlClass()).to.equal('item', 'list childs have wlxml class of item');
+                    expect(item4.getWlxmlClass()).to.equal('item', 'second nested list is still wrapped in item element');
+                    expect(nestedList2.children().length).to.equal(1, 'second nested list is left with one child');
+                    expect(nestedList2.children()[0].children()[0].getText()).to.equal('1.3', 'second nested list item left alone');
+
+                    expect(item5.children()[0].getText()).to.equal('2', 'last item ok');
+                });
+
+                it('puts extracted items below the list if ending item is the last one - nested case' , function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">\
+                                    <div class="list.items">\
+                                        <div class="item">1.1</div>\
+                                        <div class="item">1.2</div>\
+                                        <div class="item">1.3</div>\
+                                    </div>\
+                                </div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        nestedList = list.children()[1].children()[0],
+                        nestedListItem1 = nestedList.children()[1],
+                        nestedListItem2 = nestedList.children()[2];
+
+                    c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
+
+                    var section = c.doc(),
+                        list = section.children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1],
+                        item3 = list.children()[2],
+                        item4 = list.children()[3],
+                        item5 = list.children()[4];
+                    nestedList = item2.children()[0];
+
+                    expect(list.children().length).to.equal(5, 'top list has five items');
+                    expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
+                    expect(item2.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
+                    expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
+                    expect(nestedList.children()[0].children()[0].getText()).to.equal('1.1', 'nested list item left alone');
+                    expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
+                    expect(item4.children()[0].getText()).to.equal('1.3', 'fourth item ok');
+                    expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
+                });
+
+                it('puts extracted items above the list if starting item is the first one - nested case' , function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">\
+                                    <div class="list.items">\
+                                        <div class="item">1.1</div>\
+                                        <div class="item">1.2</div>\
+                                        <div class="item">1.3</div>\
+                                    </div>\
+                                </div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        nestedList = list.children()[1].children()[0],
+                        nestedListItem1 = nestedList.children()[0],
+                        nestedListItem2 = nestedList.children()[1];
+
+                    c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
+
+                    var section = c.doc(),
+                        list = section.children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1],
+                        item3 = list.children()[2],
+                        item4 = list.children()[3],
+                        item5 = list.children()[4];
+                    nestedList = item4.children()[0];
+
+                    expect(list.children().length).to.equal(5, 'top list has five items');
+                    expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
+                    expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
+                    expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
+                    
+                    expect(item4.getWlxmlClass()).to.equal('item', 'nested list is still wrapped in item element');
+                    expect(nestedList.children().length).to.equal(1, 'nested list is left with one child');
+                    expect(nestedList.children()[0].children()[0].getText()).to.equal('1.3', 'nested list item left alone');
+                    expect(item5.children()[0].getText()).to.equal('2', 'fifth item ok');
+                });
+
+                it('removes list if all its items are extracted - nested case', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">\
+                                    <div class="list.items">\
+                                        <div class="item">1.1</div>\
+                                        <div class="item">1.2</div>\
+                                    </div>\
+                                </div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        list = c.doc().children()[0],
+                        nestedList = list.children()[1].children()[0],
+                        nestedListItem1 = nestedList.children()[0],
+                        nestedListItem2 = nestedList.children()[1];
+
+                    c.list.extractItems({element1: nestedListItem1, element2: nestedListItem2});
+
+                    var section = c.doc(),
+                        list = section.children()[0],
+                        item1 = list.children()[0],
+                        item2 = list.children()[1],
+                        item3 = list.children()[2],
+                        item4 = list.children()[3];
+
+                    expect(list.children().length).to.equal(4, 'top list has four items');
+                    expect(item1.children()[0].getText()).to.equal('0', 'first item ok');
+                    expect(item2.children()[0].getText()).to.equal('1.1', 'second item ok');
+                    expect(item3.children()[0].getText()).to.equal('1.2', 'third item ok');
+                    expect(item4.children()[0].getText()).to.equal('2', 'fourth item ok');
+                });
+
+                it('extracts items out of outer most list when merge flag is set to false', function() {
+                    var c = canvas.fromXML('\
+                        <section>\
+                            <div class="list.items">\
+                                <div class="item">0</div>\
+                                <div class="item">\
+                                    <div class="list.items">\
+                                        <div class="item">1.1</div>\
+                                        <div class="item">1.2</div>\
+                                    </div>\
+                                </div>\
+                                <div class="item">2</div>\
+                            </div>\
+                        </section>'),
+                        section = c.doc(),
+                        list = section.children()[0],
+                        nestedList = list.children()[1].children()[0],
+                        nestedListItem = nestedList.children()[0];
+
+                    var test = c.list.extractItems({element1: nestedListItem, element2: nestedListItem, merge: false});
+
+                    expect(test).to.equal(true, 'extraction status ok');
+
+                    var sectionChildren = section.children(),
+                        extractedItem = sectionChildren[1];
+
+                    expect(sectionChildren.length).to.equal(3, 'section has three children');
+                    expect(sectionChildren[0].is('list')).to.equal(true, 'first child is a list');
+
+                    expect(extractedItem.getWlxmlTag()).to.equal('div', 'extracted item is a wlxml div');
+                    expect(extractedItem.getWlxmlClass()).to.equal(undefined, 'extracted item has no wlxml class');
+                    expect(extractedItem.children()[0].getText()).to.equal('1.1', 'extracted item ok');
+                    expect(sectionChildren[2].is('list')).to.equal(true, 'second child is a list');

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

+
+    describe('Cursor', function() {
+
+        var getSelection;
+
+        beforeEach(function() {
+            getSelection = sinon.stub(window, 'getSelection');
+        });
+
+        afterEach(function() {
+            getSelection.restore();
+        });
+
+        it('returns position when browser selection collapsed', function() {
+            var c = canvas.fromXML('<section>Alice has a cat</section>'),
+                dom = c.doc().dom(),
+                text = $(dom.contents()[0]).contents()[0];
+
+            expect(text.nodeType).to.equal(Node.TEXT_NODE, 'correct node selected');
+            expect($(text).text()).to.equal('Alice has a cat');
+
+            getSelection.returns({
+                anchorNode: text,
+                focusNode: text,
+                anchorOffset: 5,
+                focusOffset: 5,
+                isCollapsed: true
+            });
+            var cursor = c.getCursor(),
+                position = cursor.getPosition();
+
+            expect(cursor.isSelecting()).to.equal(false, 'cursor is not selecting anything');
+            expect(position.element.getText()).to.equal('Alice has a cat');
+            expect(position.offset).to.equal(5);
+        });
+
+        it('returns boundries of selection when browser selection not collapsed', function() {
+            var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
+                dom = c.doc().dom(),
+                text = {
+                    alice: dom.contents()[0],
+                    has: $(dom.contents()[1]).contents()[0],
+                    cat: dom.contents()[4]
+                },
+                cursor = c.getCursor(),
+                aliceElement = c.getDocumentElement(text.alice),
+                catElement = c.getDocumentElement(text.cat);
+
+
+                [
+                    {focus: text.alice, focusOffset: 1, anchor: text.cat,   anchorOffset: 2, selectionAnchor: catElement},
+                    {focus: text.cat,   focusOffset: 2, anchor: text.alice, anchorOffset: 1, selectionAnchor: aliceElement}
+                ].forEach(function(s, idx) {
+                    getSelection.returns({isColapsed: false, anchorNode: s.anchor, anchorOffset: s.anchorOffset, focusNode: s.focus, focusOffset: s.focusOffset});
+
+                    var selectionStart = cursor.getSelectionStart(),
+                        selectionEnd = cursor.getSelectionEnd(),
+                        selectionAnchor = cursor.getSelectionAnchor();
+
+                    expect(cursor.isSelecting()).to.equal(true, 'cursor is selecting');
+                    expect(selectionStart.element.sameNode(aliceElement)).to.equal(true, '"Alice" is the start of the selection ' + idx);
+                    expect(selectionStart.offset).to.equal(1, '"Alice" offset ok' + idx);
+                    expect(selectionEnd.element.sameNode(catElement)).to.equal(true, '"Cat" is the start of the selection ' + idx);
+                    expect(selectionEnd.offset).to.equal(2, '"Cat" offset ok' + idx);
+                    expect(selectionAnchor.element.sameNode(s.selectionAnchor)).to.equal(true, 'anchor ok');
+                    expect(selectionAnchor.offset).to.equal(s.anchorOffset, 'anchor offset ok');
+                });
+        });
+
+        it('recognizes when browser selection boundries lies in sibling DocumentTextElements', function() {
+            var c = canvas.fromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
+                dom = c.doc().dom(),
+                text = {
+                    alice: dom.contents()[0],
+                    has: $(dom.contents()[1]).contents()[0],
+                    a: dom.contents()[2],
+                    big: $(dom.contents()[3]).contents()[0],
+                    cat: dom.contents()[4]
+                },
+                cursor = c.getCursor();
+
+            expect($(text.alice).text()).to.equal('Alice ');
+            expect($(text.has).text()).to.equal('has');
+            expect($(text.a).text()).to.equal(' a ');
+            expect($(text.big).text()).to.equal('big');
+            expect($(text.cat).text()).to.equal(' cat');
+
+            getSelection.returns({anchorNode: text.alice, focusNode: text.a});
+            expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "a" are children');
+
+            getSelection.returns({anchorNode: text.alice, focusNode: text.cat});
+            expect(cursor.isSelectingSiblings()).to.equal(true, '"Alice" and "cat" are children');
+
+            getSelection.returns({anchorNode: text.alice, focusNode: text.has});
+            expect(cursor.isSelectingSiblings()).to.equal(false, '"Alice" and "has" are not children');
+
+            getSelection.returns({anchorNode: text.has, focusNode: text.big});
+            expect(cursor.isSelectingSiblings()).to.equal(false, '"has" and "big" are not children');
+            
+        })
+    });

 });
 
 
 });