editor: Handling backspace/delete on the text boundries
[fnpeditor.git] / src / smartxml / smartxml.test.js
index 0bf5dd5..542237a 100644 (file)
@@ -1,8 +1,9 @@
 define([
     'libs/chai',
     'libs/sinon',
+    'libs/underscore',
     './smartxml.js'
-], function(chai, sinon, smartxml) {
+], function(chai, sinon, _, smartxml) {
     
 'use strict';
 /*jshint expr:true */
@@ -59,6 +60,15 @@ describe('smartxml', function() {
             expect(emptyTextNode.getText()).to.equal('', 'empty ok');
             expect(nonEmptyTextNode.getText()).to.equal('alice', 'non empty ok');
         });
+
+        it('creates nodes from xml strings', function() {
+            var doc = getDocumentFromXML('<div></div>'),
+                node = doc.createDocumentNode('<a>Alice<b></b></a>');
+            expect(node.getTagName()).to.equal('a');
+            expect(node.contents().length).to.equal(2);
+            expect(node.contents()[0].getText()).to.equal('Alice');
+            expect(node.contents()[1].getTagName()).to.equal('b');
+        });
     });
 
     describe('DocumentNode', function() {
@@ -76,6 +86,31 @@ describe('smartxml', function() {
             });
         });
 
+        it('can be cloned with its contents and its contents data', function() {
+            var doc = getDocumentFromXML('<root><div></div></root>'),
+                root = doc.root,
+                div = root.contents()[0];
+
+            var ClonableObject = function(arg) {
+                this.arg = arg;
+            };
+            ClonableObject.prototype.clone = function() {
+                return new ClonableObject(this.arg);
+            };
+
+            div.setData('key', 'value');
+            div.setData('clonableObject', new ClonableObject('test'));
+
+            var rootClone = root.clone(),
+                divClone = rootClone.contents()[0],
+                stringClone = divClone.getData('key'),
+                objClone = divClone.getData('clonableObject');
+
+            expect(stringClone).to.equal('value');
+            expect(objClone.arg).to.equal('test', 'clonable object got copied');
+            expect(objClone !== div.getData('clonableObject')).to.be.equal(true, 'copy of the clonable object is a new object');
+        });
+
         it('knows its path in the document tree', function() {
             var doc = getDocumentFromXML('<root><a><b><c></c>text</b></a></root>'),
                 root = doc.root,
@@ -300,6 +335,52 @@ describe('smartxml', function() {
             });
         });
 
+        describe('Dividing text node into two with element node', function() {
+                it('can divide text node with element node, splitting text node into two', function() {
+                    var doc = getDocumentFromXML('<div>Alice has a cat</div>'),
+                        text = doc.root.contents()[0];
+
+                    var returned = text.divideWithElementNode({tagName: 'aside'}, {offset: 5}),
+                        contents = doc.root.contents(),
+                        lhsText = contents[0],
+                        rhsText = contents[2];
+
+                    expect(lhsText.getText()).to.equal('Alice');
+                    expect(returned.sameNode(contents[1]));
+                    expect(rhsText.getText()).to.equal(' has a cat');
+                });
+
+                it('treats dividing at the very end as appending after it', function() {
+                    var doc = getDocumentFromXML('<div>Alice has a cat</div>'),
+                        text = doc.root.contents()[0];
+
+
+                    var returned = text.divideWithElementNode({tagName: 'aside'}, {offset: 15}),
+                        contents = doc.root.contents(),
+                        textNode = contents[0],
+                        elementNode = contents[1];
+
+                    expect(contents.length).to.equal(2);
+                    expect(textNode.getText()).to.equal('Alice has a cat');
+                    expect(returned.sameNode(elementNode)).to.be.true;
+                    expect(elementNode.getTagName()).to.equal('aside');
+                });
+
+                it('treats dividing at the very beginning as prepending before it', function() {
+                    var doc = getDocumentFromXML('<div>Alice has a cat</div>'),
+                        text = doc.root.contents()[0];
+
+                    var returned = text.divideWithElementNode({tagName: 'aside'}, {offset: 0}),
+                        contents = doc.root.contents(),
+                        textNode = contents[1],
+                        elementNode = contents[0];
+
+                    expect(contents.length).to.equal(2);
+                    expect(textNode.getText()).to.equal('Alice has a cat');
+                    expect(returned.sameNode(elementNode)).to.be.true;
+                    expect(elementNode.getTagName()).to.equal('aside');
+                });
+        });
     });
 
     describe('Manipulations', function() {
@@ -377,6 +458,68 @@ describe('smartxml', function() {
             expect(node1.contents()[1].sameNode(node2)).to.be.true;
         });
 
+        describe('adding text nodes', function() {
+            it('merges text nodes on append', function() {
+                var doc = getDocumentFromXML('<root>text1</root>'),
+                    returned;
+                returned = doc.root.append({text: 'text2'});
+                expect(doc.root.contents().length).to.equal(1);
+                expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
+                expect(doc.root.contents()[0].getText()).to.equal('text1text2');
+            });
+
+            it('merges text nodes on prepend', function() {
+                var doc = getDocumentFromXML('<root>text1</root>'),
+                    returned;
+                returned = doc.root.prepend({text: 'text2'});
+                expect(doc.root.contents().length).to.equal(1);
+                expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
+                expect(doc.root.contents()[0].getText()).to.equal('text2text1');
+            });
+
+            it('merges text nodes on before text node', function() {
+                var doc = getDocumentFromXML('<root>text1</root>'),
+                    textNode = doc.root.contents()[0],
+                    returned;
+                returned = textNode.before({text: 'text2'});
+                expect(doc.root.contents().length).to.equal(1);
+                expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
+                expect(doc.root.contents()[0].getText()).to.equal('text2text1');
+            });
+
+            it('merges text nodes on after text node', function() {
+                var doc = getDocumentFromXML('<root>text1</root>'),
+                    textNode = doc.root.contents()[0],
+                    returned;
+                returned = textNode.after({text: 'text2'});
+                expect(doc.root.contents().length).to.equal(1);
+                expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
+                expect(doc.root.contents()[0].getText()).to.equal('text1text2');
+            });
+
+            it('merges text nodes on before element node', function() {
+                var doc = getDocumentFromXML('<root>text1<div></div></root>'),
+                    textNode = doc.root.contents()[0],
+                    div = doc.root.contents()[1],
+                    returned;
+                returned = div.before({text: 'text2'});
+                expect(doc.root.contents().length).to.equal(2);
+                expect(returned.sameNode(doc.root.contents()[0])).to.equal(true, 'modified node returned');
+                expect(textNode.getText()).to.equal('text1text2');
+            });
+
+            it('merges text nodes on after element node', function() {
+                var doc = getDocumentFromXML('<root><div></div>text1</root>'),
+                    textNode = doc.root.contents()[1],
+                    div = doc.root.contents()[0],
+                    returned;
+                returned = div.after({text: 'text2'});
+                expect(doc.root.contents().length).to.equal(2);
+                expect(returned.sameNode(doc.root.contents()[1])).to.equal(true, 'modified node returned');
+                expect(textNode.getText()).to.equal('text2text1');
+            });
+        });
+
         it('wraps element node with another element node', function() {
             var node = elementNodeFromXML('<div></div>'),
                 wrapper = elementNodeFromXML('<wrapper></wrapper>');
@@ -735,15 +878,14 @@ describe('smartxml', function() {
                 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() {
+            it('doesn\'t emit nodeDetached event for already out of document node 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'});
+                newNode.append({tagName:'c'});
 
                 expect(spy.callCount).to.equal(0);
             });
@@ -830,7 +972,7 @@ describe('smartxml', function() {
     });
 
     describe('Extension API', function() {
-        var doc, extension, elementNode, textNode, testClassNode;
+        var doc, extension, elementNode, textNode;
 
         beforeEach(function() {
             doc = getDocumentFromXML('<section>Alice<div class="test_class"></div></section>');
@@ -939,7 +1081,7 @@ describe('smartxml', function() {
             expect(elementNode.textTestTransformation).to.be.undefined;
         
             expect(textNode.textTestTransformation().sameNode(textNode)).to.be.true;
-            expect(textNode.elementTestTransfomation).to.be.undefined; 
+            expect(textNode.elementTestTransfomation).to.be.undefined;
         });
 
         it('allows text/element node methods and transformations to access node and transormations on document node', function() {
@@ -998,8 +1140,7 @@ describe('smartxml', function() {
 
         it('smoke tests', function() {
             var doc = getDocumentFromXML('<div>Alice</div>'),
-                textNode = doc.root.contents()[0],
-                result;
+                textNode = doc.root.contents()[0];
 
             expect(doc.undoStack).to.have.length(0);
             
@@ -1011,7 +1152,6 @@ describe('smartxml', function() {
             expect(doc.undoStack).to.have.length(0, '2');
             expect(doc.toXML()).to.equal('<div>Alice</div>');
 
-            debugger;
             doc.redo();
             expect(doc.undoStack).to.have.length(1, '3');
             expect(doc.toXML()).to.equal('<div>A<span>l</span>ice</div>');
@@ -1028,10 +1168,8 @@ describe('smartxml', function() {
         it('smoke tests 2', function() {
             var doc = getDocumentFromXML('<div>Alice</div>'),
                 textNode = doc.root.contents()[0],
-                path = textNode.getPath(),
-                result;
+                path = textNode.getPath();
 
-            debugger;
             textNode.setText('Alice ');
             textNode.setText('Alice h');
             textNode.setText('Alice ha');
@@ -1063,6 +1201,7 @@ describe('smartxml', function() {
         
         var sampleMethod = function(val) {
             this._$.attr('x', val);
+            this.triggerChangeEvent();
         };
 
         var transformations = {
@@ -1147,66 +1286,142 @@ describe('smartxml', function() {
                     expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'empty redoStack so redo was noop');
                     doc.undo();
                     expect(doc.root.contents()[0].getAttr('x')).to.equal('4', 'undoing additional transformation');
-                    doc.redo()
+                    doc.redo();
                     expect(doc.root.contents()[0].getAttr('x')).to.equal('10', 'redoing additional transformation');
                 });
             });
         });
 
-        // it('does work', function() {
-        //     var doc = getDocumentFromXML('<section><span>Alice</span></section>'),
-        //         span = doc.root.contents()[0];
+        it('smoke tests nested transformations', function() {
+            var doc = getDocumentFromXML('<div></div>');
+
+            doc.registerExtension({elementNode: {transformations: {
+                nested: function(v) {
+                    this._$.attr('innerAttr', v);
+                    this.triggerChangeEvent();
+                },
+                outer: function(v) {
+                    this.nested(v);
+                    this._$.attr('outerAttr', v);
+                    this.triggerChangeEvent();
+                }
+            }}});
+
+            doc.root.outer('test1');
+            doc.root.outer('test2');
 
-        //     span.transform('smartxml.detach');
+            expect(doc.root.getAttr('innerAttr')).to.equal('test2');
+            expect(doc.root.getAttr('outerAttr')).to.equal('test2');
 
+            doc.undo();
 
-        //     doc.undo();
+            expect(doc.root.getAttr('innerAttr')).to.equal('test1');
+            expect(doc.root.getAttr('outerAttr')).to.equal('test1');
 
-        //     expect(doc.root.contents()).to.have.length(1);
-        //     expect(doc.root.contents()[0].getTagName()).to.equal('span');
-        //     expect(doc.root.contents()[0].contents()[0].getText()).to.equal('Alice');
+            doc.undo();
 
-        //     doc.redo();
-        //     expect(doc.root.contents()).to.have.length(0);
+            expect(doc.root.getAttr('innerAttr')).to.equal(undefined);
+            expect(doc.root.getAttr('outerAttr')).to.equal(undefined);
 
-        //     doc.undo();
-        //     expect(doc.root.contents()).to.have.length(1);
-        //     expect(doc.root.contents()[0].getTagName()).to.equal('span');
-        //     expect(doc.root.contents()[0].contents()[0].getText()).to.equal('Alice');
+            doc.redo();
 
-        // });
-        // it('does work - merged text nodes case', function() {
-        //     var doc = getDocumentFromXML('<section>Alice <span>has</span> a cat.</section>'),
-        //         span = doc.root.contents()[1];
+            expect(doc.root.getAttr('innerAttr')).to.equal('test1');
+            expect(doc.root.getAttr('outerAttr')).to.equal('test1');
 
-        //     span.transform('smartxml.detach');
+            doc.redo();
 
+            expect(doc.root.getAttr('innerAttr')).to.equal('test2');
+            expect(doc.root.getAttr('outerAttr')).to.equal('test2');
 
-        //     doc.undo();
+        });
 
-        //     expect(doc.root.contents().length).to.equal(3);
-        //     //console.log(doc.toXML());
-        //     expect(doc.root.contents()[1].contents()[0].getText()).to.equal('has');
+        it('ignores transformation if document didn\'t emit change event', function() {
+            var doc = getDocumentFromXML('<div></div>');
 
-        // });
-        // it('dbg - don not store nodes in tranformation state!', function() {
-        //     var doc = getDocumentFromXML('<section><a></a><b></b></section>'),
-        //         a = doc.root.contents()[0],
-        //         b = doc.root.contents()[1];
+            doc.registerExtension({elementNode: {transformations: {
+                test: function() {
+                    // empty
+                }
+            }}});
 
-        //     a.transform('smartxml.detach');
-        //     b.transform('smartxml.detach');
-        //     doc.undo();
-        //     doc.undo();
-        //     expect(doc.root.contents().length).to.equal(2);
-        //     expect(doc.root.contents()[0].getTagName()).to.equal('a');
-        //     expect(doc.root.contents()[1].getTagName()).to.equal('b');
+            doc.root.test();
+            expect(doc.undoStack.length).to.equal(0);
 
-        //     doc.redo();
-        //     doc.redo();
-        //     expect(doc.root.contents().length).to.equal(0);
+        });
 
-        // });
+        describe('Transactions', function() {
+            it('allows to undo/redo series of transformations at once', function() {
+                var doc = getDocumentFromXML('<div></div>');
+
+                doc.registerExtension({
+                    elementNode: {transformations: {
+                        test: function(v) {
+                            this.setAttr('test', v);
+                        }
+                    }}
+                });
+
+                doc.startTransaction();
+                doc.root.test('1');
+                doc.root.test('2');
+                doc.root.test('3');
+                doc.endTransaction();
+
+                doc.undo();
+                expect(doc.root.getAttr('test'), '1');
+                doc.redo();
+                expect(doc.root.getAttr('test'), '3');
+                doc.undo();
+                expect(doc.root.getAttr('test'), '1');
+                doc.redo();
+                expect(doc.root.getAttr('test'), '3');
+            });
+
+            it('ignores empty transactions', function() {
+                var doc = getDocumentFromXML('<div></div>');
+                doc.startTransaction();
+                doc.endTransaction();
+                expect(doc.undoStack).to.have.length(0, 'empty transaction doesn\'t get pushed into undo stack');
+            });
+
+            it('doesn\'t break on optimizations', function() {
+                // This is a smoke test checking if optimizations made to transaction undoing
+                // doesnt't break anything.
+                var doc = getDocumentFromXML('<div smart="1" unaware="1"></div>');
+
+                doc.registerExtension({
+                    elementNode: {transformations: {
+                        unaware: function(v) {
+                            this.setAttr('unware', v);
+                            this.triggerChangeEvent();
+                        },
+                        smart: {
+                            impl: function(t, v) {
+                                t.oldVal = this.getAttr('smart');
+                                this.setAttr('smart', v);
+                                this.triggerChangeEvent();
+                            },
+                            undo: function(t) {
+                                this.setAttr('smart', t.oldVal);
+                                this.triggerChangeEvent();
+                            }
+                        }
+                    }}
+                });
+
+                doc.startTransaction();
+                doc.root.smart('2');
+                doc.root.unaware('2');
+                doc.root.smart('3');
+                doc.root.unaware('3');
+                doc.endTransaction();
+
+                doc.undo();
+
+                expect(doc.root.getAttr('smart')).to.equal('1');
+                expect(doc.root.getAttr('unaware')).to.equal('1');
+            });
+        });
     });
 
 });