+ expect(c.doc().children()).to.have.length(3);
+ expect(c.doc().children()[0].canvas).to.equal(c);
+ expect(c.doc().children()[0].wlxmlNode.sameNode(doc.root));
+ });
+});
+
+describe('Handling empty text nodes', function() {
+ it('puts zero width space into node with about to be remove text', function(done) {
+ var c = getCanvasFromXML('<section>Alice</section>'),
+ textElement = c.doc().children()[0];
+ textElement.setText('');
+
+ /* Wait for MutationObserver to kick in. */
+ wait(function() {
+ expect(textElement.getText({raw:true})).to.equal(utils.unicode.ZWS, 'ZWS in canvas');
+ expect(c.wlxmlDocument.root.contents()[0].getText()).to.equal('', 'empty string in a document');
+ done();
+ });
+ });
+});
+
+describe('Handling changes to the document', function() {
+ it('replaces the whole canvas content when document root node replaced', function() {
+ var doc = getDocumentFromXML('<section></section>'),
+ c = canvas.fromXMLDocument(doc);
+
+ var header = doc.root.replaceWith({tagName: 'header'});
+ expect(c.doc().wlxmlNode.sameNode(header)).to.equal(true);
+ });
+});
+
+describe('Listening to document changes', function() {
+
+ it('Handling element node moved', function() {
+ var doc = getDocumentFromXML('<section><a></a><b></b></section>'),
+ a = doc.root.contents()[0],
+ b = doc.root.contents()[1],
+ c = canvas.fromXMLDocument(doc);
+
+ a.before(b);
+ var sectionChildren = c.doc().children();
+ expect(sectionChildren.length).to.equal(2);
+ expect(sectionChildren[0].getWlxmlTag()).to.equal('b');
+ expect(sectionChildren[1].getWlxmlTag()).to.equal('a');
+ });
+
+ it('Handling text node moved', function() {
+ var doc = getDocumentFromXML('<section><a></a>Alice</section>'),
+ a = doc.root.contents()[0],
+ textNode = doc.root.contents()[1],
+ c = canvas.fromXMLDocument(doc);
+
+ a.before(textNode);
+ var sectionChildren = c.doc().children();
+ expect(sectionChildren.length).to.equal(2);
+ expect(sectionChildren[0].getText()).to.equal('Alice');
+ expect(sectionChildren[1].getWlxmlTag()).to.equal('a');
+ });
+
+ it('Handles nodeTagChange event', function() {
+
+ var doc = wlxml.WLXMLDocumentFromXML('<section><div>Alice</div></section>'),
+ c = canvas.fromXMLDocument(doc);
+
+ doc.root.contents()[0].setTag('header');
+
+ var headerNode = doc.root.contents()[0],
+ headerElement = c.doc().children()[0];
+
+ expect(headerElement.getWlxmlTag()).to.equal('header', 'element ok');
+
+ /* Make sure we handle invalidation of reference to wlxmlNode after changing its tag */
+ expect(headerNode.getData('canvasElement').sameNode(headerElement)).to.equal(true, 'node->element');
+ expect(headerElement.wlxmlNode.sameNode(headerNode)).to.equal(true, 'element->node');
+ });
+
+ it('Handles nodeDetached event for an empty text node', function(done) {
+ var doc = wlxml.WLXMLDocumentFromXML('<section><div>A<span>b</span></div></section>'),
+ aTextNode = doc.root.contents()[0].contents()[0],
+ aTextElement;
+
+ canvas.fromXMLDocument(doc);
+ aTextElement = utils.findCanvasElementInParent(aTextNode, aTextNode.parent()); // TODO: This really should be easier...
+
+ aTextElement.setText('');
+
+ wait(function() {
+ var parent = aTextElement.parent();
+ expect(aTextElement.getText({raw:true})).to.equal(utils.unicode.ZWS, 'canvas represents this as empty node');
+ aTextElement.wlxmlNode.detach();
+ expect(parent.children().length).to.equal(1);
+ expect(parent.children()[0].getWlxmlTag()).to.equal('span');
+ done();
+ });
+ });
+});
+
+describe('Displaying span nodes', function() {
+ it('inlines a span element with a text', function() {
+ var c = getCanvasFromXML('<section><span>Alice</span></section>'),
+ spanElement = c.doc().children()[0];
+ expect(spanElement.isBlock()).to.equal(false);
+ });
+ it('renders non-span element as a block', function() {
+ var c = getCanvasFromXML('<section><span></span></section>'),
+ element = c.doc().children()[0],
+ node = element.wlxmlNode;
+
+ expect(element.isBlock()).to.equal(false, 'initially inline');
+ node = node.setTag('div');
+ expect(node.getData('canvasElement').isBlock()).to.equal(true, 'block');
+ });
+
+ it('inlines a span element if its block content gets removed', function() {
+ var c = getCanvasFromXML('<section><span>Alice <div>has</div> a cat!</span></section>'),
+ spanElement = c.doc().children()[0],
+ divNode = spanElement.wlxmlNode.contents()[1];
+
+ expect(spanElement.isBlock()).to.equal(true, 'initially a block');
+ divNode.detach();
+ expect(spanElement.isBlock()).to.equal(false, 'inlined after removing inner block');
+
+ spanElement.wlxmlNode.append({tagName: 'div'});
+
+ expect(spanElement.isBlock()).to.equal(true, 'block again after bringing back inner block');
+ });
+
+ it('keeps showing element as a block after changing its node tag to span if it contains elements of non-span nodes', function() {
+ var c = getCanvasFromXML('<section><div><div></div></div></section>'),
+ outerDivElement = c.doc().children()[0],
+ outerDivNode = outerDivElement.wlxmlNode;
+ outerDivNode = outerDivNode.setTag('span');
+ expect(c.doc().children()[0].isBlock()).to.equal(true);
+ });
+});
+
+describe('Cursor', function() {
+ /* globals Node */
+ var getSelection;
+
+ var findTextNode = function(inside, text) {
+ var nodes = inside.find(':not(iframe)').addBack().contents().filter(function() {
+ return this.nodeType === Node.TEXT_NODE && this.data === text;
+ });
+ if(nodes.length) {
+ return nodes[0];
+ }
+ return null;
+ };
+
+ beforeEach(function() {
+ /* globals window */
+ getSelection = sinon.stub(window, 'getSelection');
+ });
+
+ afterEach(function() {
+ getSelection.restore();
+ });
+
+ it('returns position when browser selection collapsed', function() {
+ var c = getCanvasFromXML('<section>Alice has a cat</section>'),
+ dom = c.doc().dom(),
+ text = findTextNode(dom, 'Alice has a cat');
+
+ 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);
+ expect(position.offsetAtEnd).to.equal(false, 'offset is not at end');
+
+ getSelection.returns({
+ anchorNode: text,
+ focusNode: text,
+ anchorOffset: 15,
+ focusOffset: 15,
+ isCollapsed: true
+ });
+
+ expect(cursor.getPosition().offsetAtEnd).to.equal(true, 'offset at end');
fnp / fnpeditor.git / blobdiff