registering textNode/elementNode transformations

[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / canvas.test.js

diff --git a/src/editor/modules/documentCanvas/canvas/canvas.test.js b/src/editor/modules/documentCanvas/canvas/canvas.test.js
index 5c36f90..2ee505d 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.test.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.test.js
@@ -1,22 +1,28 @@
 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 nodeFromXML = function(xml) {
-    return wlxml.WLXMLElementNodeFromXML(xml);
+var getCanvasFromXML = function(xml) {
+    return canvas.fromXMLDocument(getDocumentFromXML(xml));
 };
 
-var getCanvasFromXML = function(xml) {
-    return canvas.fromXMLDocument(wlxml.WLXMLDocumentFromXML(xml));
+var getDocumentFromXML = function(xml) {
+    return wlxml.WLXMLDocumentFromXML(xml);
+}
+
+var wait = function(callback, timeout) {
+    return window.setTimeout(callback, timeout || 0.5);
 };
 
 
@@ -25,9 +31,63 @@ describe('new Canvas', function() {
         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);
+    });
+});
+
+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.be.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');
     });
-})
+});
 
 describe('Cursor', function() {
 
@@ -37,10 +97,11 @@ describe('Cursor', function() {
         var nodes = inside.find(':not(iframe)').addBack().contents().filter(function() {
             return this.nodeType === Node.TEXT_NODE && this.data === text;
         });
-        if(nodes.length)
+        if(nodes.length) {
             return nodes[0];
+        }
         return null;
-    }
+    };
 
     beforeEach(function() {
         getSelection = sinon.stub(window, 'getSelection');