wlxml: linting
[fnpeditor.git] / src / smartxml / smartxml.test.js
index bd1dfe4..ccaf0ef 100644 (file)
@@ -1,11 +1,12 @@
 define([
     'libs/chai',
 define([
     'libs/chai',
+    'libs/sinon',
     './smartxml.js'
     './smartxml.js'
-], function(chai, smartxml) {
+], function(chai, sinon, smartxml) {
     
 'use strict';
 /*jshint expr:true */
     
 'use strict';
 /*jshint expr:true */
-/* global describe, it */
+/* global describe, it, beforeEach */
 
 var expect = chai.expect;
 
 
 var expect = chai.expect;
 
@@ -30,6 +31,26 @@ describe('smartxml', function() {
             var doc = getDocumentFromXML('<div></div>');
             expect(doc.root.getTagName()).to.equal('div');
         });
             var doc = getDocumentFromXML('<div></div>');
             expect(doc.root.getTagName()).to.equal('div');
         });
+
+        it('can resets its content entirely', function() {
+            var doc = getDocumentFromXML('<div></div>');
+
+            expect(doc.root.getTagName()).to.equal('div');
+
+            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');
+        });
     });
 
     describe('Basic ElementNode properties', function() {
     });
 
     describe('Basic ElementNode properties', function() {
@@ -42,15 +63,234 @@ describe('smartxml', function() {
             expect(contents[1].nodeType).to.equal(Node.ELEMENT_NODE, 'element node 1');
             expect(contents[2].nodeType).to.equal(Node.TEXT_NODE, 'text node 2');
         });
             expect(contents[1].nodeType).to.equal(Node.ELEMENT_NODE, 'element node 1');
             expect(contents[2].nodeType).to.equal(Node.TEXT_NODE, 'text node 2');
         });
+
+        describe('Storing custom data', function() {
+            var node;
+
+            beforeEach(function() {
+                node = elementNodeFromXML('<div></div>');
+            });
+
+            it('can append single value', function() {
+                node.setData('key', 'value');
+                expect(node.getData('key')).to.equal('value');
+            });
+
+            it('can overwrite the whole data', function() {
+                node.setData('key1', 'value1');
+                node.setData({key2: 'value2'});
+                expect(node.getData('key2')).to.equal('value2');
+            });
+
+            it('can fetch the whole data at once', function() {
+                node.setData({key1: 'value1', key2: 'value2'});
+                expect(node.getData()).to.eql({key1: 'value1', key2: 'value2'});
+            });
+        });
+
+        describe('Changing node tag', function() {
+
+            it('can change tag name', function() {
+                var node = elementNodeFromXML('<div></div>');
+                node.setTag('span');
+                expect(node.getTagName()).to.equal('span');
+            });
+
+            it('emits nodeTagChange event', function() {
+                var node = elementNodeFromXML('<div></div>'),
+                    spy = sinon.spy();
+
+                node.document.on('change', spy);
+                node.setTag('span');
+                var event = spy.args[0][0];
+
+                expect(event.type).to.equal('nodeTagChange');
+                expect(event.meta.node.sameNode(node)).to.be.true;
+                expect(event.meta.oldTagName).to.equal('div');
+            });
+
+            describe('Implementation specific expectations', function() {
+                // DOM specifies ElementNode tag as a read-only property, so
+                // changing it in a seamless way is a little bit tricky. For this reason
+                // the folowing expectations are required, despite the fact that they actually are
+                // motivated by implemetation details.
+
+                it('keeps node in the document', function() {
+                    var doc = getDocumentFromXML('<div><header></header></div>'),
+                        header = doc.root.contents()[0];
+                    header.setTag('span');
+                    expect(header.parent().sameNode(doc.root)).to.be.true;
+                });
+                it('keeps custom data', function() {
+                    var node = elementNodeFromXML('<div></div>');
+
+                    node.setData('key', 'value');
+                    node.setTag('header');
+                    
+                    expect(node.getTagName()).to.equal('header');
+                    expect(node.getData()).to.eql({key: 'value'});
+                });
+
+                it('can change document root tag name', function() {
+                    var doc = getDocumentFromXML('<div></div>');
+                    doc.root.setTag('span');
+                    expect(doc.root.getTagName()).to.equal('span');
+                });
+
+                it('keeps contents', function() {
+                    var node = elementNodeFromXML('<div><div></div></div>');
+                    node.setTag('header');
+                    expect(node.contents()).to.have.length(1);
+                });
+            });
+
+        describe('Setting node attributes', function() {
+            it('can set node attribute', function() {
+                var node = elementNodeFromXML('<div></div>');
+
+                node.setAttr('key', 'value');
+                expect(node.getAttr('key')).to.equal('value');
+            });
+            it('emits nodeAttrChange event', function() {
+                var node = elementNodeFromXML('<div key="value1"></div>'),
+                    spy = sinon.spy();
+
+                node.document.on('change', spy);
+                node.setAttr('key', 'value2');
+                var event = spy.args[0][0];
+
+                expect(event.type).to.equal('nodeAttrChange');
+                expect(event.meta.node.sameNode(node)).to.be.true;
+                expect(event.meta.attr).to.equal('key');
+                expect(event.meta.oldVal).to.equal('value1');
+            });
+        });
+
+        });
+    });
+
+    describe('Basic TextNode properties', function() {
+        it('can have its text set', function() {
+            var node = elementNodeFromXML('<div>Alice</div>'),
+                textNode = node.contents()[0];
+
+            textNode.setText('Cat');
+            expect(textNode.getText()).to.equal('Cat');
+        });
+
+        it('emits nodeTextChange', function() {
+            var node = elementNodeFromXML('<div>Alice</div>'),
+                textNode = node.contents()[0],
+                spy = sinon.spy();
+
+            textNode.document.on('change', spy);
+            textNode.setText('Cat');
+
+            var event = spy.args[0][0];
+            expect(event.type).to.equal('nodeTextChange');
+        });
+
+        it('puts NodeElement after itself', function() {
+            var node = elementNodeFromXML('<div>Alice</div>'),
+                textNode = node.contents()[0],
+                returned = textNode.after({tagName:'div'});
+            expect(returned.sameNode(node.contents()[1])).to.be.true;
+        });
+
+        it('puts NodeElement before itself', function() {
+            var node = elementNodeFromXML('<div>Alice</div>'),
+                textNode = node.contents()[0],
+                returned = textNode.before({tagName:'div'});
+            expect(returned.sameNode(node.contents()[0])).to.be.true;
+        });
+
+        describe('Wrapping TextNode contents', function() {
+
+            it('wraps DocumentTextElement', function() {
+                var node = elementNodeFromXML('<section>Alice</section>'),
+                    textNode = node.contents()[0];
+                
+                var returned = textNode.wrapWith({tagName: 'header'}),
+                    parent = textNode.parent(),
+                    parent2 = node.contents()[0];
+
+                expect(returned.sameNode(parent)).to.be.equal(true, 'wrapper is a parent');
+                expect(returned.sameNode(parent2)).to.be.equal(true, 'wrapper has a correct parent');
+                expect(returned.getTagName()).to.equal('header');
+            });
+
+            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 node = elementNodeFromXML('<section>Alice has a cat</section>'),
+                            textNode = node.contents()[0];
+                        
+                        var returned = textNode.wrapWith({tagName: 'header', attrs: {'attr1': 'value1'}, start: offsets.start, end: offsets.end}),
+                            contents = node.contents();
+
+                        expect(contents.length).to.equal(3);
+                        
+                        expect(contents[0].nodeType).to.be.equal(Node.TEXT_NODE, 'first node is text node');
+                        expect(contents[0].getText()).to.equal('Alice');
+
+                        expect(contents[1].sameNode(returned)).to.be.true;
+                        expect(returned.getTagName()).to.equal('header');
+                        expect(returned.getAttr('attr1')).to.equal('value1');
+                        expect(contents[1].contents().length).to.equal(1, 'wrapper has one node inside');
+                        expect(contents[1].contents()[0].getText()).to.equal(' has a ');
+
+                        expect(contents[2].nodeType).to.be.equal(Node.TEXT_NODE, 'third node is text node');
+                        expect(contents[2].getText()).to.equal('cat');
+                    });
+                });
+
+                it('wraps whole text inside DocumentTextElement if offsets span entire content', function() {
+                    var node = elementNodeFromXML('<section>Alice has a cat</section>'),
+                         textNode = node.contents()[0];
+                     
+                    textNode.wrapWith({tagName: 'header', start: 0, end: 15});
+                    
+                    var contents = node.contents();
+                    expect(contents.length).to.equal(1);
+                    expect(contents[0].getTagName()).to.equal('header');
+                    expect(contents[0].contents()[0].getText()).to.equal('Alice has a cat');
+                });
+            });
+        });
+
     });
 
     describe('Manipulations', function() {
 
     });
 
     describe('Manipulations', function() {
 
+        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('appends element node to another element node', function() {
             var node1 = elementNodeFromParams({tag: 'div'}),
         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(node2);
+            node1.append(node3);
             expect(node1.contents()[0].sameNode(node2)).to.be.true;
             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() {
+            var node1 = elementNodeFromParams({tag: 'div'}),
+                node2 = elementNodeFromParams({tag: 'a'}),
+                node3 = elementNodeFromParams({tag: 'p'});
+            node1.prepend(node2);
+            node1.prepend(node3);
+            expect(node1.contents()[0].sameNode(node3)).to.be.true;
+            expect(node1.contents()[1].sameNode(node2)).to.be.true;
         });
 
         it('wraps element node with another element node', function() {
         });
 
         it('wraps element node with another element node', function() {
@@ -61,16 +301,6 @@ describe('smartxml', function() {
             expect(node.parent().sameNode(wrapper)).to.be.true;
         });
 
             expect(node.parent().sameNode(wrapper)).to.be.true;
         });
 
-        it('wraps text node with element node', function() {
-            var node = elementNodeFromXML('<div>Alice</div>'),
-                textNode = node.contents()[0],
-                wrapper = elementNodeFromXML('<wrapper></wrapper>');
-
-            textNode.wrapWith(wrapper);
-            expect(textNode.parent().sameNode(wrapper)).to.be.true;
-            expect(node.contents()).to.have.length(1);
-        });
-
         it('unwraps element node contents', function() {
             var node = elementNodeFromXML('<div>Alice <div>has <span>propably</span> a cat</div>!</div>'),
                 outerDiv = node.contents()[1];
         it('unwraps element node contents', function() {
             var node = elementNodeFromXML('<div>Alice <div>has <span>propably</span> a cat</div>!</div>'),
                 outerDiv = node.contents()[1];
@@ -83,6 +313,300 @@ 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({
+                        _with: {tagName: 'span', attrs: {'attr1': 'value1'}},
+                        offsetStart: 6,
+                        offsetEnd: 4,
+                        textNodeIdx: [0,2]
+                    });
+
+                expect(section.contents().length).to.equal(2);
+                expect(section.contents()[0].nodeType).to.equal(Node.TEXT_NODE);
+                expect(section.contents()[0].getText()).to.equal('Alice ');
+
+                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);
+                expect(wrapperContents[0].getText()).to.equal('has a ');
+
+                expect(wrapperContents[1].nodeType).to.equal(Node.ELEMENT_NODE);
+                expect(wrapperContents[1].contents().length).to.equal(1);
+                expect(wrapperContents[1].contents()[0].getText()).to.equal('small');
+            });
+        });
+
+        describe('Wrapping Nodes', function() {
+            it('wraps multiple sibling nodes', function() {
+                var section = elementNodeFromXML('<section>Alice<div>has</div><div>a cat</div></section>'),
+                    aliceText = section.contents()[0],
+                    firstDiv = section.contents()[1],
+                    lastDiv = section.contents()[section.contents().length -1];
+
+                var returned = section.document.wrapNodes({
+                        element1: aliceText,
+                        element2: lastDiv,
+                        _with: {tagName: 'header'}
+                    });
+
+                var sectionContents = section.contents(),
+                    header = sectionContents[0],
+                    headerContents = header.contents();
+
+                expect(sectionContents).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('<section><div></div><div></div><div></div><div></div></section>'),
+                    div2 = section.contents()[1],
+                    div3 = section.contents()[2];
+
+                section.document.wrapNodes({
+                        element1: div2,
+                        element2: div3,
+                        _with: {tagName: 'header'}
+                    });
+
+                var sectionContents = section.contents(),
+                    header = sectionContents[1],
+                    headerChildren = header.contents();
+
+                expect(sectionContents).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('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();
+            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('<div><a></a><b></b></div>'),
+                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('<div></div>'),
+                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('<div><a></a><b></b></div>'),
+                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('<div><a></a></div>').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('<div><a></a><b></b></div>'),
+                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('<div><a></a></div>').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('<div><a></a><b></b></div>'),
+                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;
+        });
+    });
+
+    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');
+            });
+        });
+    });
+
+    describe('Serializing document to WLXML', function() {
+        it('keeps document intact when no changes have been made', function() {
+            var xmlIn = '<section>Alice<div>has</div>a <span class="uri" meta-uri="http://cat.com">cat</span>!</section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+
+            var parser = new DOMParser(),
+                input = parser.parseFromString(xmlIn, 'application/xml').childNodes[0],
+                output = parser.parseFromString(xmlOut, 'application/xml').childNodes[0];
+            
+            expect(input.isEqualNode(output)).to.be.true;
+        });
+
+        it('keeps entities intact', function() {
+            var xmlIn = '<section>&lt; &gt;</section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+            expect(xmlOut).to.equal(xmlIn);
+        });
+        it('keeps entities intact when they form html/xml', function() {
+            var xmlIn = '<section>&lt;abc&gt;</section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+            expect(xmlOut).to.equal(xmlIn);
+        });
     });
 
 });
     });
 
 });