+ var inserted = a.before(b),
+ event = spy.args[0][0];
+
+ expect(spy.callCount).to.equal(1);
+ expect(event.type).to.equal('nodeMoved');
+ expect(event.meta.node.sameNode(inserted)).to.be.true;
+ });
+
+ it('emits nodeDetached and nodeAdded when replacing root node with another', function() {
+ var doc = getDocumentFromXML('<a></a>'),
+ oldRoot = doc.root,
+ spy = sinon.spy();
+
+ doc.on('change', spy);
+
+ doc.root.replaceWith({tagName: 'b'});
+
+ expect(spy.callCount).to.equal(2);
+
+ var event1 = spy.args[0][0],
+ event2 = spy.args[1][0];
+
+ expect(event1.type).to.equal('nodeDetached');
+ expect(event1.meta.node.sameNode(oldRoot)).to.equal(true, 'root node in nodeDetached event metadata');
+ expect(event2.type).to.equal('nodeAdded');
+ expect(event2.meta.node.sameNode(doc.root)).to.equal(true, 'new root node in nodelAdded event meta');
+ });
+
+
+ ['append', 'prepend', 'before', 'after'].forEach(function(insertionMethod) {
+ it('emits nodeDetached for node moved from a document tree to out of document node ' + insertionMethod, function() {
+ var doc = getDocumentFromXML('<div><a></a></div>'),
+ a = doc.root.contents()[0],
+ spy = sinon.spy();
+
+ doc.on('change', spy);
+
+ var newNode = doc.createDocumentNode({tagName: 'b'}),
+ newNodeInner = newNode.append({tagName:'c'});
+
+ newNodeInner[insertionMethod](a);
+
+ var event = spy.args[0][0];
+ expect(event.type).to.equal('nodeDetached');
+ expect(event.meta.node.sameNode(a));
+ });
+
+ it('doesn\'t emit nodeDetached event for already out of document moved to out of document node: ' + insertionMethod, function() {
+ var doc = getDocumentFromXML('<div><a></a></div>'),
+ a = doc.root.contents()[0],
+ spy = sinon.spy();
+
+ doc.on('change', spy);
+
+ var newNode = doc.createDocumentNode({tagName: 'b'});
+ var newNodeInner = newNode.append({tagName:'c'});
+
+ expect(spy.callCount).to.equal(0);
+ });
+ });
+
+
+ });
+
+ describe('Traversing', function() {
+ describe('Basic', function() {
+ it('can access node parent', function() {
+ var doc = getDocumentFromXML('<a><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');
+ });