define([
+'libs/jquery',
'libs/chai',
+'libs/sinon',
'modules/documentCanvas/canvas/canvas',
'modules/documentCanvas/canvas/documentElement',
'modules/documentCanvas/canvas/utils',
'wlxml/wlxml'
-], function(chai, canvas, documentElement, utils, wlxml) {
+], function($, chai, sinon, canvas, documentElement, utils, wlxml) {
'use strict';
+/* global describe, it, beforeEach, afterEach */
var expect = chai.expect;
+var getCanvasFromXML = function(xml) {
+ return canvas.fromXMLDocument(getDocumentFromXML(xml));
+};
+
+var getDocumentFromXML = function(xml) {
+ return wlxml.WLXMLDocumentFromXML(xml);
+};
-var nodeFromXML = function(xml) {
- return wlxml.WLXMLElementNodeFromXML(xml);
+var wait = function(callback, timeout) {
+ /* globals window */
+ return window.setTimeout(callback, timeout || 0.5);
};
var doc = wlxml.WLXMLDocumentFromXML('<section>Alice <span>has</span> a cat!</div>'),
c = canvas.fromXMLDocument(doc);
- expect(c.doc().children()).to.have.length(3)
+ expect(c.doc().children()).to.have.length(3);
+ expect(c.doc().children()[0].canvas).to.equal(c);
+ });
+});
+
+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().data('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.data('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.data('wlxmlNode').detach();
+ expect(parent.children().length).to.equal(1);
+ expect(parent.children()[0].getWlxmlTag()).to.equal('span');
+ done();
+ });
+ });
+});
+
+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');
+ });
+
+ it('recognizes selection start and end on document order', function() {
+ var c = getCanvasFromXML('<section><span>Alice</span><span>has a cat</span><div>abc<span>...</span>cde</div></section>'),
+ dom = c.doc().dom(),
+ textFirst = findTextNode(dom, 'Alice'),
+ textSecond = findTextNode(dom, 'has a cat'),
+ textAbc = findTextNode(dom, 'abc'),
+ textCde = findTextNode(dom, 'cde'),
+ cursor, label;
+
+ var check = function(label, expected) {
+ var cursor = c.getCursor();
+ label = label + ': ';
+ expect(cursor.getSelectionStart().element.getText()).to.equal(expected.start.text, label + 'start element ok');
+ expect(cursor.getSelectionStart().offset).to.equal(expected.start.offset, label + 'start offset ok');
+ expect(cursor.getSelectionEnd().element.getText()).to.equal(expected.end.text, label + 'end element ok');
+ expect(cursor.getSelectionEnd().offset).to.equal(expected.end.offset, label + 'end offset ok');
+ }
+
+ getSelection.returns({
+ anchorNode: textFirst,
+ focusNode: textFirst,
+ anchorOffset: 1,
+ focusOffset: 3,
+ isCollapsed: false
+ });
+
+ check('same element, anchor first', {
+ start: {text: 'Alice', offset: 1},
+ end: {text: 'Alice', offset:3}
+ });
+
+
+ getSelection.returns({
+ anchorNode: textFirst,
+ focusNode: textFirst,
+ anchorOffset: 3,
+ focusOffset: 1,
+ isCollapsed: false
+ });
+
+ check('same element, anchor second', {
+ start: {text: 'Alice', offset: 1},
+ end: {text: 'Alice', offset:3}
+ });
+
+
+ getSelection.returns({
+ anchorNode: textAbc,
+ focusNode: textCde,
+ anchorOffset: 3,
+ focusOffset: 1,
+ isCollapsed: false
+ });
+
+ check('same parent, anchor first', {
+ start: {text: 'abc', offset: 3},
+ end: {text: 'cde', offset:1}
+ });
+
+
+ getSelection.returns({
+ anchorNode: textCde,
+ focusNode: textAbc,
+ anchorOffset: 1,
+ focusOffset: 3,
+ isCollapsed: false
+ });
+
+ check('same parent, anchor second', {
+ start: {text: 'abc', offset: 3},
+ end: {text: 'cde', offset:1}
+ });
+
+
+ getSelection.returns({
+ anchorNode: textFirst,
+ focusNode: textSecond,
+ anchorOffset: 1,
+ focusOffset: 3,
+ isCollapsed: false
+ });
+
+ check('different parents, anchor first', {
+ start: {text: 'Alice', offset: 1},
+ end: {text: 'has a cat', offset:3}
+ });
+
+
+ getSelection.returns({
+ anchorNode: textSecond,
+ focusNode: textFirst,
+ anchorOffset: 3,
+ focusOffset: 1,
+ isCollapsed: false
+ });
+
+ check('different parents, anchor second', {
+ start: {text: 'Alice', offset: 1},
+ end: {text: 'has a cat', offset:3}
+ });
+ });
+
+ it('returns boundries of selection when browser selection not collapsed', function() {
+ var c = getCanvasFromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
+ dom = c.doc().dom(),
+ text = {
+ alice: findTextNode(dom, 'Alice '),
+ has: findTextNode(dom, 'has'),
+ cat: findTextNode(dom, ' cat')
+ },
+ 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 = getCanvasFromXML('<section>Alice <span>has</span> a <span>big</span> cat</section>'),
+ dom = c.doc().dom(),
+ text = {
+ alice: findTextNode(dom, 'Alice '),
+ has: findTextNode(dom, 'has'),
+ a: findTextNode(dom, ' a '),
+ big: findTextNode(dom, 'big'),
+ cat: findTextNode(dom, ' cat'),
+ },
+ 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');
+ });
+});
});
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fnp / fnpeditor.git / blobdiff