wip: canvas.commands - lists through new api
[fnpeditor.git] / src / smartxml / smartxml.test.js
index ccaf0ef..08598aa 100644 (file)
@@ -6,7 +6,7 @@ define([
     
 'use strict';
 /*jshint expr:true */
-/* global describe, it, beforeEach */
+/* global describe, it, beforeEach, Node, DOMParser */
 
 var expect = chai.expect;
 
@@ -51,6 +51,48 @@ describe('smartxml', function() {
             expect(doc.containsNode(a)).to.equal(true, 'contains Element Node');
             expect(doc.containsNode(text)).to.equal(true, 'contains Text Node');
         });
+
+        it('creates text nodes', function() {
+            var doc = getDocumentFromXML('<div></div>'),
+                emptyTextNode = doc.createDocumentNode({text:''}),
+                nonEmptyTextNode = doc.createDocumentNode({text: 'alice'});
+            expect(emptyTextNode.getText()).to.equal('', 'empty ok');
+            expect(nonEmptyTextNode.getText()).to.equal('alice', 'non empty ok');
+        });
+    });
+
+    describe('DocumentNode', function() {
+        it('can be cloned', function() {
+            var doc = getDocumentFromXML('<div>Alice</div>'),
+                text = doc.root.contents()[0],
+                clone, suffix;
+
+            [doc.root, text].forEach(function(node) {
+                suffix = ' (' + (node.nodeType === Node.TEXT_NODE ? 'text' : 'element')  + ')';
+                clone = node.clone();
+                expect(doc.containsNode(clone)).to.equal(false, 'clone is not contained in a document' + suffix);
+                expect(node.sameNode(clone)).to.equal(false, 'clone is not same node as its originator' + suffix);
+                expect(node.nativeNode.isEqualNode(clone.nativeNode)).to.equal(true, 'clone is identical as its originator' + suffix);
+            });
+        });
+
+        it('knows its path in the document tree', function() {
+            var doc = getDocumentFromXML('<root><a><b><c></c>text</b></a></root>'),
+                root = doc.root,
+                a = root.contents()[0],
+                b = a.contents()[0],
+                text = b.contents()[1];
+
+            expect(root.getPath()).to.eql([], 'path of the root element is empty');
+            expect(a.getPath()).to.eql([0]);
+            expect(b.getPath()).to.eql([0, 0]);
+            expect(text.getPath()).to.eql([0,0,1]);
+
+            /* Paths relative to a given ancestor */
+            expect(text.getPath(root)).to.eql([0,0,1]);
+            expect(text.getPath(a)).to.eql([0,1]);
+            expect(text.getPath(b)).to.eql([1]);
+        });
     });
 
     describe('Basic ElementNode properties', function() {
@@ -262,6 +304,27 @@ describe('smartxml', function() {
 
     describe('Manipulations', function() {
 
+        describe('replacing node with another one', function() {
+            it('replaces node with another one', function() {
+                var doc = getDocumentFromXML('<div><a></a></div>'),
+                    a = doc.root.contents()[0];
+
+                var c = a.replaceWith({tagName: 'b', attrs: {b:'1'}});
+
+                expect(doc.root.contents()[0].sameNode(c));
+                expect(c.getTagName()).to.equal('b');
+                expect(c.getAttr('b')).to.equal('1');
+            });
+            it('can replace document root', function() {
+                var doc = getDocumentFromXML('<div></div>');
+
+                var header = doc.root.replaceWith({tagName: 'header'});
+
+                expect(doc.root.sameNode(header)).to.be.true;
+                expect(doc.containsNode(header)).to.be.true;
+            });
+        });
+
         it('merges adjacent text nodes resulting from detaching an element node in between', function() {
             var doc = getDocumentFromXML('<div>Alice <span>has</span>a cat</div>'),
                 span = doc.root.contents()[1];
@@ -273,6 +336,27 @@ describe('smartxml', function() {
             expect(rootContents[0].getText()).to.equal('Alice a cat');
         });
 
+        it('inserts node at index', function() {
+            var doc = getDocumentFromXML('<div><a></a><b></b><c></c></div>'),
+                b = doc.root.contents()[1];
+
+            var inserted = doc.root.insertAtIndex({tagName: 'test'}, 1);
+
+            expect(doc.root.contents()[1].sameNode(inserted)).to.equal(true, 'inserted node returned');
+            expect(b.getIndex()).to.equal(2, 'b node shifted right');
+        });
+
+        it('appends node when inserting node at index out of range', function() {
+            var doc = getDocumentFromXML('<div></div>');
+
+            var test1 = doc.root.insertAtIndex({tagName: 'test1'}, 0),
+                test2 = doc.root.insertAtIndex({tagName: 'test1'}, 10);
+
+            expect(doc.root.contents()[0].sameNode(test1)).to.equal(true, 'inserting at index 0 of empty nodes appends node');
+            expect(doc.root.contents().length).to.equal(1, 'inserting at index out of range does nothing');
+            expect(test2).to.equal(undefined, 'inserting at index out of range returns undefined');
+        });
+
         it('appends element node to another element node', function() {
             var node1 = elementNodeFromParams({tag: 'div'}),
                 node2 = elementNodeFromParams({tag: 'a'}),
@@ -375,16 +459,16 @@ describe('smartxml', function() {
                     lastDiv = section.contents()[section.contents().length -1];
 
                 var returned = section.document.wrapNodes({
-                        element1: aliceText,
-                        element2: lastDiv,
+                        node1: aliceText,
+                        node2: lastDiv,
                         _with: {tagName: 'header'}
                     });
 
-                var sectionContents = section.contents(),
-                    header = sectionContents[0],
+                var sectionContentss = section.contents(),
+                    header = sectionContentss[0],
                     headerContents = header.contents();
 
-                expect(sectionContents).to.have.length(1);
+                expect(sectionContentss).to.have.length(1);
                 expect(header.sameNode(returned)).to.equal(true, 'wrapper returned');
                 expect(header.parent().sameNode(section)).to.be.true;
                 expect(headerContents).to.have.length(3);
@@ -399,16 +483,16 @@ describe('smartxml', function() {
                     div3 = section.contents()[2];
 
                 section.document.wrapNodes({
-                        element1: div2,
-                        element2: div3,
+                        node1: div2,
+                        node2: div3,
                         _with: {tagName: 'header'}
                     });
 
-                var sectionContents = section.contents(),
-                    header = sectionContents[1],
+                var sectionContentss = section.contents(),
+                    header = sectionContentss[1],
                     headerChildren = header.contents();
 
-                expect(sectionContents).to.have.length(3);
+                expect(sectionContentss).to.have.length(3);
                 expect(headerChildren).to.have.length(2);
                 expect(headerChildren[0].sameNode(div2)).to.equal(true, 'first node wrapped');
                 expect(headerChildren[1].sameNode(div3)).to.equal(true, 'second node wrapped');
@@ -417,6 +501,85 @@ describe('smartxml', function() {
 
     });
 
+    describe('Splitting text', function() {
+    
+        it('splits TextNode\'s parent into two ElementNodes', function() {
+            var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
+                section = doc.root,
+                text = section.contents()[0].contents()[0];
+
+            var returnedValue = text.split({offset: 5});
+            expect(section.contents().length).to.equal(2, 'section has two children');
+            
+            var header1 = section.contents()[0];
+            var header2 = section.contents()[1];
+
+            expect(header1.getTagName()).to.equal('header', 'first section child ok');
+            expect(header1.contents().length).to.equal(1, 'first header has one child');
+            expect(header1.contents()[0].getText()).to.equal('Some ', 'first header has correct content');
+            expect(header2.getTagName()).to.equal('header', 'second section child ok');
+            expect(header2.contents().length).to.equal(1, 'second header has one child');
+            expect(header2.contents()[0].getText()).to.equal('header', 'second header has correct content');
+
+            expect(returnedValue.first.sameNode(header1)).to.equal(true, 'first node returned');
+            expect(returnedValue.second.sameNode(header2)).to.equal(true, 'second node returned');
+        });
+
+        it('leaves empty copy of ElementNode if splitting at the very beginning', function() {
+                var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
+                section = doc.root,
+                text = section.contents()[0].contents()[0];
+
+                text.split({offset: 0});
+                
+                var header1 = section.contents()[0];
+                var header2 = section.contents()[1];
+
+                expect(header1.contents().length).to.equal(0);
+                expect(header2.contents()[0].getText()).to.equal('Some header');
+        });
+
+        it('leaves empty copy of ElementNode if splitting at the very end', function() {
+                var doc = getDocumentFromXML('<section><header>Some header</header></section>'),
+                section = doc.root,
+                text = section.contents()[0].contents()[0];
+
+                text.split({offset: 11});
+                
+                var header1 = section.contents()[0];
+                var header2 = section.contents()[1];
+
+                expect(header1.contents()[0].getText()).to.equal('Some header');
+                expect(header2.contents().length).to.equal(0);
+        });
+
+        it('keeps TextNodes\'s parent\'s children elements intact', function() {
+            var doc = getDocumentFromXML('<section><header>A <span>fancy</span> and <span>nice</span> header</header></section>'),
+                section = doc.root,
+                header = section.contents()[0],
+                textAnd = header.contents()[2];
+
+            textAnd.split({offset: 2});
+            
+            var sectionContents = section.contents();
+            expect(sectionContents.length).to.equal(2, 'Section has two children');
+            expect(sectionContents[0].getTagName()).to.equal('header', 'First section node is a header');
+            expect(sectionContents[1].getTagName()).to.equal('header', 'Second section node is a header');
+
+            var firstHeaderContents = sectionContents[0].contents();
+            expect(firstHeaderContents.length).to.equal(3, 'First header has three children');
+            expect(firstHeaderContents[0].getText()).to.equal('A ', 'First header starts with a text');
+            expect(firstHeaderContents[1].getTagName()).to.equal('span', 'First header has span in the middle');
+            expect(firstHeaderContents[2].getText()).to.equal(' a', 'First header ends with text');
+
+            var secondHeaderContents = sectionContents[1].contents();
+            expect(secondHeaderContents.length).to.equal(3, 'Second header has three children');
+            expect(secondHeaderContents[0].getText()).to.equal('nd ', 'Second header starts with text');
+            expect(secondHeaderContents[1].getTagName()).to.equal('span', 'Second header has span in the middle');
+            expect(secondHeaderContents[2].getText()).to.equal(' header', 'Second header ends with text');
+        });
+    });
+
     describe('Events', function() {
         it('emits nodeDetached event on node detach', function() {
             var node = elementNodeFromXML('<div><div></div></div>'),
@@ -532,6 +695,61 @@ describe('smartxml', function() {
             expect(event.type).to.equal('nodeMoved');
             expect(event.meta.node.sameNode(inserted)).to.be.true;
         });
+
+        it('emits nodeDetached and nodeAdded when replacing root node with another', function() {
+            var doc = getDocumentFromXML('<a></a>'),
+                oldRoot = doc.root,
+                spy = sinon.spy();
+
+            doc.on('change', spy);
+
+            doc.root.replaceWith({tagName: 'b'});
+
+            expect(spy.callCount).to.equal(2);
+
+            var event1 = spy.args[0][0],
+                event2 = spy.args[1][0];
+
+            expect(event1.type).to.equal('nodeDetached');
+            expect(event1.meta.node.sameNode(oldRoot)).to.equal(true, 'root node in nodeDetached event metadata');
+            expect(event2.type).to.equal('nodeAdded');
+            expect(event2.meta.node.sameNode(doc.root)).to.equal(true, 'new root node in nodelAdded event meta');
+        });
+
+
+        ['append', 'prepend', 'before', 'after'].forEach(function(insertionMethod) {
+            it('emits nodeDetached for node moved from a document tree 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'}),
+                    newNodeInner = newNode.append({tagName:'c'});
+
+                newNodeInner[insertionMethod](a);
+
+                var event = spy.args[0][0];
+                expect(event.type).to.equal('nodeDetached');
+                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() {
+                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'});
+
+                expect(spy.callCount).to.equal(0);
+            });
+        });
+
+
     });
 
     describe('Traversing', function() {
@@ -551,7 +769,9 @@ describe('smartxml', function() {
                     c = b.contents()[0];
 
                 var parents = c.parents();
-                expect(parents).to.eql([b,a]);
+                // @@
+                expect(parents[0].sameNode(b)).to.be.true;
+                expect(parents[1].sameNode(a)).to.be.true;
             });
         });
 
@@ -609,6 +829,229 @@ describe('smartxml', function() {
         });
     });
 
+    describe('Extension API', function() {
+        var doc, extension, elementNode, textNode, testClassNode;
+
+        beforeEach(function() {
+            doc = getDocumentFromXML('<section>Alice<div class="test_class"></div></section>');
+            elementNode = doc.root;
+            textNode = doc.root.contents()[0];
+            extension = {};
+            
+            expect(elementNode.testTransformation).to.be.undefined;
+            expect(textNode.testTransformation).to.be.undefined;
+            expect(doc.testTransformation).to.be.undefined;
+            
+            expect(doc.testMethod).to.be.undefined;
+            expect(elementNode.testMethod).to.be.undefined;
+            expect(textNode.testMethod).to.be.undefined;
+            expect(elementNode.elementTestMethod).to.be.undefined;
+            expect(textNode.textTestMethod).to.be.undefined;
+        });
+
+        it('allows adding method to a document', function() {
+            extension = {document: {methods: {
+                testMethod: function() { return this; }
+            }}};
+
+            doc.registerExtension(extension);
+            expect(doc.testMethod()).to.equal(doc, 'context is set to a document instance');
+        });
+
+        it('allows adding transformation to a document', function() {
+            extension = {document: {transformations: {
+                testTransformation: function() { return this; },
+                testTransformation2: {impl: function() { return this;}}
+            }}};
+
+            doc.registerExtension(extension);
+            expect(doc.testTransformation()).to.equal(doc, 'context is set to a document instance');
+            expect(doc.testTransformation2()).to.equal(doc, 'context is set to a document instance');
+        });
+
+        it('allows adding method to a DocumentNode instance', function() {
+            extension = {
+                documentNode: {
+                    methods: {
+                        testMethod: function() { return this; }
+                    }
+                },
+                textNode: {
+                    methods: {
+                        textTestMethod: function() { return this; }
+                    }
+                },
+                elementNode: {
+                    methods: {
+                        elementTestMethod: function() { return this; }
+                    }
+                }
+            };
+
+            doc.registerExtension(extension);
+
+            /* refresh */
+            elementNode = doc.root;
+            textNode = doc.root.contents()[0];
+
+            expect(elementNode.testMethod().sameNode(elementNode)).to.equal(true, 'context is set to a node instance');
+            expect(textNode.testMethod().sameNode(textNode)).to.equal(true, 'context is set to a node instance');
+
+            expect(elementNode.elementTestMethod().sameNode(elementNode)).to.be.true;
+            expect(elementNode.textTestMethod).to.be.undefined;
+        
+            expect(textNode.textTestMethod().sameNode(textNode)).to.be.true;
+            expect(textNode.elementTestMethod).to.be.undefined;
+        });
+
+        it('allows adding transformation to a DocumentNode', function() {
+            extension = {
+                documentNode: {
+                    transformations: {
+                        testTransformation: function() { return this; },
+                        testTransformation2: {impl: function() { return this;}}
+                    }
+                },
+                textNode: {
+                    transformations: {
+                        textTestTransformation: function() { return this; }
+                    }
+                },
+                elementNode: {
+                    transformations: {
+                        elementTestTransformation: function() { return this; }
+                    }
+                }
+            };
+            
+            doc.registerExtension(extension);
+
+            /* refresh */
+            elementNode = doc.root;
+            textNode = doc.root.contents()[0];
+            
+            expect(elementNode.testTransformation().sameNode(elementNode)).to.equal(true, '1');
+            expect(elementNode.testTransformation2().sameNode(elementNode)).to.equal(true, '2');
+            expect(textNode.testTransformation().sameNode(textNode)).to.equal(true, '3');
+            expect(textNode.testTransformation2().sameNode(textNode)).to.equal(true, '4');
+
+            expect(elementNode.elementTestTransformation().sameNode(elementNode)).to.be.true;
+            expect(elementNode.textTestTransformation).to.be.undefined;
+        
+            expect(textNode.textTestTransformation().sameNode(textNode)).to.be.true;
+            expect(textNode.elementTestTransfomation).to.be.undefined; 
+        });
+
+        it('allows text/element node methods and transformations to access node and transormations on document node', function() {
+
+            var doc = getDocumentFromXML('<div>text</div>');
+
+            doc.registerExtension({
+                documentNode: {
+                    methods: {
+                        test: function() {
+                            return 'super';
+                        }
+                    },
+                    transformations: {
+                        testT: function() {
+                            return 'super_trans';
+                        }
+                    }
+                },
+                elementNode: {
+                    methods: {
+                        test: function() {
+                            return 'element_sub_' + this.__super__.test();
+                        }
+                    },
+                    transformations: {
+                        testT: function() {
+                            return 'element_trans_sub_' + this.__super__.testT();
+                        }
+                    }
+                },
+                textNode: {
+                    methods: {
+                        test: function() {
+                            return 'text_sub_' + this.__super__.test();
+                        }
+                    },
+                    transformations: {
+                        testT: function() {
+                            return 'text_trans_sub_' + this.__super__.testT();
+                        }
+                    }
+                }
+            });
+
+            var textNode = doc.root.contents()[0];
+
+            expect(doc.root.test()).to.equal('element_sub_super');
+            expect(textNode.test()).to.equal('text_sub_super');
+            expect(doc.root.testT()).to.equal('element_trans_sub_super_trans');
+            expect(textNode.testT()).to.equal('text_trans_sub_super_trans');
+        });
+    });
+
+    // describe('Undo/redo', function() {
+
+    //     it('does work', function() {
+    //         var doc = getDocumentFromXML('<section><span>Alice</span></section>'),
+    //             span = doc.root.contents()[0];
+
+    //         span.transform('smartxml.detach');
+
+
+    //         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();
+    //         expect(doc.root.contents()).to.have.length(0);
+
+    //         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');
+
+    //     });
+    //     it('does work - merged text nodes case', function() {
+    //         var doc = getDocumentFromXML('<section>Alice <span>has</span> a cat.</section>'),
+    //             span = doc.root.contents()[1];
+
+    //         span.transform('smartxml.detach');
+
+
+    //         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('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];
+
+    //         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.redo();
+    //         doc.redo();
+    //         expect(doc.root.contents().length).to.equal(0);
+
+    //     });
+    // });
+
 });
 
 });
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