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smartxml: Support for Node.object.describesParent property
[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 35ad728..0654170 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.test.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.test.js
@@ -3,31 +3,49 @@ define([
 'libs/chai',
 'libs/sinon',
 'modules/documentCanvas/canvas/canvas',
 'libs/chai',
 'libs/sinon',
 'modules/documentCanvas/canvas/canvas',
-'modules/documentCanvas/canvas/documentElement',
 'modules/documentCanvas/canvas/utils',
 'modules/documentCanvas/canvas/utils',
-'wlxml/wlxml'
-], function($, chai, sinon, canvas, documentElement, utils, wlxml) {
+'modules/documentCanvas/canvas/documentElement',
+'wlxml/wlxml',
+], function($, chai, sinon, canvas, utils, documentElement, wlxml) {
     
 'use strict';
 /* global describe, it, beforeEach, afterEach */
 
 var expect = chai.expect;
 
     
 'use strict';
 /* global describe, it, beforeEach, afterEach */
 
 var expect = chai.expect;
 
-var getCanvasFromXML = function(xml) {
-    return canvas.fromXMLDocument(wlxml.WLXMLDocumentFromXML(xml));
+var getCanvasFromXML = function(xml, elements) {
+    return canvas.fromXMLDocument(getDocumentFromXML(xml), elements);
+};
+
+var getDocumentFromXML = function(xml) {
+    return wlxml.WLXMLDocumentFromXML(xml);
 };
 
 var wait = function(callback, timeout) {
 };
 
 var wait = function(callback, timeout) {
+    /* globals window */
     return window.setTimeout(callback, timeout || 0.5);
 };
 
 
     return window.setTimeout(callback, timeout || 0.5);
 };
 
 
+describe('wtf', function() {
+    it('wtf!', function() {
+        var c = getCanvasFromXML('<section>Alice</section>'),
+            doc = c.wlxmlDocument;
+
+        var txtNode = doc.root.contents()[0];
+        txtNode.wrapWith({tagName: 'header', start: 1, end: 2});
+        expect(c.doc().children().length).to.equal(3);
+    });
+});
+
 describe('new Canvas', function() {
     it('abc', 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);
 describe('new Canvas', function() {
     it('abc', 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()[0].canvas).to.equal(c);
+        expect(c.doc().children()[0].wlxmlNode.sameNode(doc.root));
     });
 });
 
     });
 });
 
@@ -46,8 +64,263 @@ describe('Handling empty text nodes', function() {
     });
 });
 
     });
 });
 
-describe('Cursor', function() {
+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].wlxmlNode.getTagName()).to.equal('b');
+        expect(sectionChildren[1].wlxmlNode.getTagName()).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].wlxmlNode.getTagName()).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.wlxmlNode.getTagName()).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.getElementForNode(aTextNode);
+
+        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].wlxmlNode.getTagName()).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('Default document changes handling', function() {
+    it('handles added node', function() {
+        var c = getCanvasFromXML('<section></section>');
+        c.wlxmlDocument.root.append({tagName:'div'});
+        expect(c.doc().children().length).to.equal(1);
+        c.wlxmlDocument.root.prepend({tagName:'div'});
+        expect(c.doc().children().length).to.equal(2);
+
+        var node = c.wlxmlDocument.root.contents()[1];
+        node.before({tagName: 'div'});
+        expect(c.doc().children().length).to.equal(3);
+        node.after({tagName: 'div'});
+        expect(c.doc().children().length).to.equal(4);
+    });
+
+    it('handles attribute value change for a class attribute', function() {
+        var c = getCanvasFromXML('<section></section>');
+        c.wlxmlDocument.root.setAttr('class', 'test');
+        expect(c.doc().wlxmlNode.getClass()).to.equal('test');
+    });
+
+    it('handles detached node', function() {
+        var c = getCanvasFromXML('<section><div></div></section>');
+        c.wlxmlDocument.root.contents()[0].detach();
+        expect(c.doc().children().length).to.equal(0);
+    });
+
+    it('handles moved node', function() {
+        var doc = getDocumentFromXML('<section><c></c><a></a><b></b></section>'),
+            c = doc.root.contents()[0],
+            a = doc.root.contents()[1],
+            b = doc.root.contents()[2],
+            cv = canvas.fromXMLDocument(doc);
+
+        a.document.transaction(function() {
+            a.before(b); // => cab
+            b.after(c); // => bca
+        }, {
+            error: function(e) {throw e;}
+        });
+
+        var sectionChildren = cv.doc().children();
+        expect(sectionChildren.length).to.equal(3);
+        expect(sectionChildren[0].wlxmlNode.getTagName()).to.equal('b');
+        expect(sectionChildren[1].wlxmlNode.getTagName()).to.equal('c');
+        expect(sectionChildren[2].wlxmlNode.getTagName()).to.equal('a');
+    });
 
 
+    it('handles moving text node to another parent', function() {
+        var c = getCanvasFromXML('<section>Alice<div><span>has</span></div>a cat.</section>'),
+            doc = c.wlxmlDocument,
+            text = doc.root.contents()[0],
+            div = doc.root.contents()[1];
+        
+        div.append(text);
+        
+        var sectionChildren = c.doc().children();
+        expect(sectionChildren.length).to.equal(2);
+        expect(sectionChildren[0].wlxmlNode.sameNode(div)).to.equal(true);
+        expect(sectionChildren[1].getText()).to.equal('a cat.');
+
+        expect(div.contents().length).to.equal(2);
+        expect(div.contents()[0].getTagName()).to.equal('span');
+        expect(div.contents()[1].getText()).to.equal('Alice');
+    });
+
+    it('handles change in a text node', function() {
+        var c = getCanvasFromXML('<section>Alice</section>');
+        c.wlxmlDocument.root.contents()[0].setText('cat');
+        expect(c.doc().children()[0].getText()).to.equal('cat');
+    });
+
+    describe('Regression tests', function() {
+        it('handles moving node after its next neighbour correctly', function() {
+            var c = getCanvasFromXML('<section><a></a><b></b></section>'),
+                doc = c.wlxmlDocument,
+                a = doc.root.contents()[0],
+                b = doc.root.contents()[1];
+            b.after(a);
+            var sectionChildren = c.doc().children();
+            expect(sectionChildren[0].wlxmlNode.getTagName()).to.equal('b');
+            expect(sectionChildren[1].wlxmlNode.getTagName()).to.equal('a');
+        });
+    });
+});
+    
+describe('Custom elements based on wlxml class attribute', function() {
+    it('allows custom rendering', function() {
+        var prototype = $.extend({}, documentElement.DocumentNodeElement.prototype, {
+                init: function() {
+                    this._container().append('<test></test>');
+                }
+            }),
+            c = getCanvasFromXML('<section><div class="testClass"></div></section>', [
+            {tag: 'div', klass: 'testClass', prototype: prototype}
+        ]);
+
+        expect(c.doc().children()[0]._container().children('test').length).to.equal(1); // @!
+    });
+
+    it('allows handling changes to internal structure of rendered node', function() {
+        var prototype = $.extend({}, documentElement.DocumentNodeElement.prototype, {
+                init: function() {
+                    this.header = $('<h1>');
+                    this._container().append(this.header);
+                    this.refresh2();
+                },
+                refresh2: function() {
+                    this.header.text(this.wlxmlNode.contents().length);
+                },
+                onNodeAdded: function(event) {
+                    void(event);
+                    this.refresh2();
+                }
+        });
+
+        var c = getCanvasFromXML('<section><div class="testClass"><a></a></div></section>', [
+            {tag: 'div', klass: 'testClass', prototype: prototype}
+        ]);
+
+        var node = c.wlxmlDocument.root.contents()[0],
+            element = node.getData('canvasElement');
+
+        var header = element.dom.find('h1');
+        expect(header.text()).to.equal('1', 'just <a>');
+
+        node.append({tagName: 'div'});
+
+        expect(header.text()).to.equal('2', 'added div');
+    });
+
+    describe('Handling unknown class', function() {
+        it('Inherits default behavior', function() {
+            var c = getCanvasFromXML('<section><div class="unknown">Hi!</div></section>');
+            expect(c.doc().children()[0].children()[0].getText()).to.equal('Hi!');
+        });
+    });
+});
+
+describe('Cursor', function() {
+    /* globals Node */
     var getSelection;
 
     var findTextNode = function(inside, text) {
     var getSelection;
 
     var findTextNode = function(inside, text) {
@@ -61,6 +334,7 @@ describe('Cursor', function() {
     };
 
     beforeEach(function() {
     };
 
     beforeEach(function() {
+        /* globals window */
         getSelection = sinon.stub(window, 'getSelection');
     });
 
         getSelection = sinon.stub(window, 'getSelection');
     });
 
@@ -70,7 +344,7 @@ describe('Cursor', function() {
 
     it('returns position when browser selection collapsed', function() {
         var c = getCanvasFromXML('<section>Alice has a cat</section>'),
 
     it('returns position when browser selection collapsed', function() {
         var c = getCanvasFromXML('<section>Alice has a cat</section>'),
-            dom = c.doc().dom(),
+            dom = c.doc().dom,
             text = findTextNode(dom, 'Alice has a cat');
 
         expect(text.nodeType).to.equal(Node.TEXT_NODE, 'correct node selected');
             text = findTextNode(dom, 'Alice has a cat');
 
         expect(text.nodeType).to.equal(Node.TEXT_NODE, 'correct node selected');
@@ -102,9 +376,110 @@ describe('Cursor', function() {
         expect(cursor.getPosition().offsetAtEnd).to.equal(true, 'offset at end');
     });
 
         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');
+
+        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>'),
     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(),
+            dom = c.doc().dom,
             text = {
                 alice: findTextNode(dom, 'Alice '),
                 has: findTextNode(dom, 'has'),
             text = {
                 alice: findTextNode(dom, 'Alice '),
                 has: findTextNode(dom, 'has'),
@@ -136,7 +511,7 @@ describe('Cursor', function() {
 
     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>'),
 
     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(),
+            dom = c.doc().dom,
             text = {
                 alice: findTextNode(dom, 'Alice '),
                 has: findTextNode(dom, 'has'),
             text = {
                 alice: findTextNode(dom, 'Alice '),
                 has: findTextNode(dom, 'has'),