X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/dc88a3110d5f44a8240cdd637b22716545763578..12a9797c590b49173a88c40b0ab705b68b81224a:/src/smartxml/smartxml.test.js

diff --git a/src/smartxml/smartxml.test.js b/src/smartxml/smartxml.test.js
index 8f7deb6..5d1ca3e 100644
--- a/src/smartxml/smartxml.test.js
+++ b/src/smartxml/smartxml.test.js
@@ -169,40 +169,16 @@ describe('smartxml', function() {
 
             it('can change tag name', function() {
                 var node = elementNodeFromXML('<div></div>');
-                node.setTag('span');
+                node = node.setTag('span');
                 expect(node.getTagName()).to.equal('span');
             });
 
-            it('emits nodeTagChange event', function() {
-                var node = elementNodeFromXML('<div></div>'),
-                    spy = sinon.spy();
-
-                node.document.on('change', spy);
-                node.setTag('span');
-                var event = spy.args[0][0];
-
-                expect(event.type).to.equal('nodeTagChange');
-                expect(event.meta.node.sameNode(node)).to.be.true;
-                expect(event.meta.oldTagName).to.equal('div');
-            });
-
             describe('Implementation specific expectations', function() {
-                // DOM specifies ElementNode tag as a read-only property, so
-                // changing it in a seamless way is a little bit tricky. For this reason
-                // the folowing expectations are required, despite the fact that they actually are
-                // motivated by implemetation details.
-
-                it('keeps node in the document', function() {
-                    var doc = getDocumentFromXML('<div><header></header></div>'),
-                        header = doc.root.contents()[0];
-                    header.setTag('span');
-                    expect(header.parent().sameNode(doc.root)).to.be.true;
-                });
                 it('keeps custom data', function() {
                     var node = elementNodeFromXML('<div></div>');
 
                     node.setData('key', 'value');
-                    node.setTag('header');
+                    node = node.setTag('header');
                     
                     expect(node.getTagName()).to.equal('header');
                     expect(node.getData()).to.eql({key: 'value'});
@@ -214,9 +190,9 @@ describe('smartxml', function() {
                     expect(doc.root.getTagName()).to.equal('span');
                 });
 
-                it('keeps contents', function() {
+                it('keeps node contents', function() {
                     var node = elementNodeFromXML('<div><div></div></div>');
-                    node.setTag('header');
+                    node = node.setTag('header');
                     expect(node.contents()).to.have.length(1);
                 });
             });
@@ -1649,6 +1625,32 @@ describe('smartxml', function() {
                 var transaction = doc.undoStack[0];
                 expect(transaction.metadata).to.equal(metadata);
             });
+
+            it('can be rolled back', function() {
+                var doc = getDocumentFromXML('<root></root>');
+
+                doc.startTransaction();
+                doc.root.append({tagName: 'div'});
+                doc.rollbackTransaction();
+
+                expect(doc.undoStack.length).to.equal(0, 'nothing to undo');
+                expect(doc.root.contents().length).to.equal(0);
+            });
+
+            it('rollbacks and calls error handleor if error gets thrown', function() {
+                var doc = getDocumentFromXML('<root></root>'),
+                    err = new Error(),
+                    spy = sinon.spy();
+                
+                doc.transaction(function() {
+                    doc.root.append({tagName: 'div'});
+                    throw err;
+                }, {error: spy});
+
+                expect(spy.args[0][0]).to.equal(err);
+                expect(doc.root.contents().length).to.equal(0);
+                expect(doc.undoStack.length).to.equal(0);
+            });
         });
 
         describe('Regression tests', function() {
@@ -1677,6 +1679,29 @@ describe('smartxml', function() {
                 doc.redo();
                 expect(doc.root.getAttr('t')).to.equal('1');
             });
+            it('can perform undo of an operation performed after automatic transaction rollback', function() {
+                var doc = getDocumentFromXML('<section></section>'),
+                    extension = {document: {transformations: {
+                        throwingTransformation: function() { throw new Error(); }
+                    }}};
+
+                doc.registerExtension(extension);
+
+                doc.throwingTransformation();
+
+                doc.transaction(function() {
+                    doc.root.setAttr('x', '2');
+                });
+
+                expect(doc.undoStack.length).to.equal(1);
+                expect(doc.root.getAttr('x')).to.equal('2');
+
+                doc.undo();
+
+                expect(doc.undoStack.length).to.equal(0);
+                expect(doc.root.getAttr('x')).to.be.undefined;
+
+            });
         });
     });