wlxml: inheritance in meta attributes keys, sligthly changed meta attrs api
[fnpeditor.git] / src / smartxml / smartxml.test.js
index 0826458..822243d 100644 (file)
@@ -40,6 +40,25 @@ describe('smartxml', function() {
             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('Basic ElementNode properties', function() {
@@ -251,6 +270,17 @@ describe('smartxml', 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'}),
                 node2 = elementNodeFromParams({tag: 'a'}),
@@ -291,11 +321,37 @@ describe('smartxml', function() {
             expect(node.contents()[2].getText()).to.equal(' a cat!');
         });
 
+        it('unwrap single element node from its parent', function() {
+            var doc = getDocumentFromXML('<div><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: {tag: 'span', attrs: {'attr1': 'value1'}},
+                        _with: {tagName: 'span', attrs: {'attr1': 'value1'}},
                         offsetStart: 6,
                         offsetEnd: 4,
                         textNodeIdx: [0,2]
@@ -307,6 +363,7 @@ describe('smartxml', function() {
 
                 var wrapper2 = section.contents()[1];
                 expect(wrapper2.sameNode(wrapper)).to.be.true;
+                expect(wrapper.getTagName()).to.equal('span');
 
                 var wrapperContents = wrapper.contents();
                 expect(wrapperContents.length).to.equal(3);
@@ -331,11 +388,11 @@ describe('smartxml', function() {
                         _with: {tagName: 'header'}
                     });
 
-                var sectionContents = section.contents(),
-                    header = sectionContents[0],
+                var sectionContentss = section.contents(),
+                    header = sectionContentss[0],
                     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);
@@ -355,11 +412,11 @@ describe('smartxml', function() {
                         _with: {tagName: 'header'}
                     });
 
-                var sectionContents = section.contents(),
-                    header = sectionContents[1],
+                var sectionContentss = section.contents(),
+                    header = sectionContentss[1],
                     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');
@@ -368,6 +425,250 @@ 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() {
+        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>',