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smartxml: allow for registering extensions before initial xml processing
[fnpeditor.git] / src / wlxml / wlxml.test.js
diff --git a/src/wlxml/wlxml.test.js b/src/wlxml/wlxml.test.js
index 804e37e..7eb8efb 100644 (file)
--- a/src/wlxml/wlxml.test.js
+++ b/src/wlxml/wlxml.test.js
@@ -1,11 +1,13 @@
 define([
 define([
+    'libs/jquery',
     'libs/chai',
     './wlxml.js'
     'libs/chai',
     './wlxml.js'
-], function(chai, wlxml) {
+], function($, chai, wlxml) {
     
 'use strict';
 
     
 'use strict';
 
-/* global it, describe */
+/* jshint expr:true */
+/* global it, describe, beforeEach */
 
 var expect = chai.expect;
 
 
 var expect = chai.expect;
 
@@ -13,6 +15,10 @@ var nodeFromXML = function(xml) {
     return wlxml.WLXMLElementNodeFromXML(xml);
 };
 
     return wlxml.WLXMLElementNodeFromXML(xml);
 };
 
+var getDocumentFromXML = function(xml, options) {
+    return wlxml.WLXMLDocumentFromXML(xml, options || {});
+};
+
 
 describe('WLXMLDocument', function() {
     
 
 describe('WLXMLDocument', function() {
     
@@ -22,14 +28,301 @@ describe('WLXMLDocument', function() {
             expect(node.getClass()).to.equal('class.subclass');
         });
 
             expect(node.getClass()).to.equal('class.subclass');
         });
 
-        it('returns its attributes as dict', function() {
-            var node = nodeFromXML('<span meta-attr1="val1" meta-attr2="val2"></span>');
-            expect(node.getMetaAttributes()).to.eql({attr1: 'val1', attr2: 'val2'});
+        it('returns unregistered attributes', function() {
+            var testClasses = {
+                    'testClass': {
+                        attrs: {'attr1': {type: 'string'}}
+                    }
+                },
+                doc = getDocumentFromXML('<span class="testClass" attr="val" attr1="val1"></span>', {wlxmlClasses: testClasses});
+            expect(doc.root.getOtherAttributes()).to.eql({attr: {value:'val'}});
+        });
+    });
+
+    describe('WLXML node meta attributes', function() {
+
+        it('inherits keys from super classes', function() {
+            var testClasses = {
+                    '': {
+                        attrs: {'common': {type: 'string'}}
+                    },
+                    'a': {
+                        attrs: {'a_attr': {type: 'string'}}
+                    },
+                    'a.b': {
+                        attrs: {'a_b_attr': {type: 'string'}}
+                    },
+                    'a.b.c': {
+                        attrs: {'a_b_c_attr': {type: 'string'}}
+                    }
+                },
+                doc = getDocumentFromXML('<section></section>', {wlxmlClasses: testClasses}),
+                section = doc.root;
+
+            expect(section.getMetaAttributes().keys()).to.eql(['common']);
+
+            section.setClass('a');
+            expect(section.getMetaAttributes().keys().sort()).to.eql(['common', 'a_attr'].sort());
+
+            section.setClass('a.b');
+            expect(section.getMetaAttributes().keys().sort()).to.eql(['common', 'a_attr', 'a_b_attr'].sort());
+
+            section.setClass('a.b.c');
+            expect(section.getMetaAttributes().keys().sort()).to.eql(['common', 'a_attr', 'a_b_attr', 'a_b_c_attr'].sort());
+        });
+
+        describe('api', function() {
+            it('returns meta attributes as a dict', function() {
+                var testClasses = {
+                        'test': {
+                            attrs: {
+                                attr1: {type: 'string'},
+                                attr2: {type: 'date'}
+                            }
+                        }
+                    },
+                    node = getDocumentFromXML(
+                        '<span class="test" attr1="val1" attr2="2014-01-01"></span>',
+                        {wlxmlClasses: testClasses}
+                    ).root,
+                    attrs = node.getMetaAttributes();
+
+                expect(attrs.keys().sort()).to.eql(['attr1', 'attr2'].sort());
+                expect(attrs.attr1.value).to.equal('val1');
+                expect(attrs.attr1.type).to.equal('string');
+                expect(attrs.attr2.value).to.equal('2014-01-01');
+                expect(attrs.attr2.type).to.equal('date');
+            });
+            it('returns undefined value if attribute is missing', function() {
+                var testClasses = {
+                        'test': {
+                            attrs: {
+                                attr1: {type: 'string'},
+                            }
+                        }
+                    },
+                    node = getDocumentFromXML('<span class="test"></span>', {wlxmlClasses: testClasses}).root,
+                    attrs = node.getMetaAttributes();
+                    expect(attrs.attr1.value).to.be.undefined;
+            });
+        });
+    });
+
+    describe('White space handling', function() {
+        /* globals Node */
+
+        it('ignores white space surrounding block elements', function() {
+            var node = nodeFromXML('<section> <div></div> </section>'),
+                contents = node.contents();
+            expect(contents).to.have.length(1);
+            expect(contents[0].nodeType).to.equal(Node.ELEMENT_NODE);
+        });
+        it('ignores white space between block elements', function() {
+            var node = nodeFromXML('<section><div></div> <div></div></section>'),
+            contents = node.contents();
+            expect(contents).to.have.length(2);
+            [0,1].forEach(function(idx) {
+                expect(contents[idx].nodeType).to.equal(Node.ELEMENT_NODE);
+            });
+        });
+        it('trims white space from the beginning and the end of the block elements', function() {
+            var node = nodeFromXML('<section> Alice <span>has</span> a cat </section>');
+            expect(node.contents()[0].getText()).to.equal('Alice ');
+            expect(node.contents()[2].getText()).to.equal(' a cat');
+        });
+        it('normalizes string of white characters to one space at the inline element boundries', function() {
+            var node = nodeFromXML('<span>   Alice has a cat   </span>');
+            expect(node.contents()[0].getText()).to.equal(' Alice has a cat ');
+        });
+        it('normalizes string of white characters to one space before inline element', function() {
+            var node = nodeFromXML('<div>Alice has  <span>a cat</span></div>');
+            expect(node.contents()[0].getText()).to.equal('Alice has ');
+        });
+        it('normalizes string of white characters to one space after inline element', function() {
+            var node = nodeFromXML('<div>Alice has <span>a</span>  cat</div>');
+            expect(node.contents()[2].getText()).to.equal(' cat');
+        });
+    });
+
+    describe('formatting output xml', function() {
+
+        /*jshint multistr: true */
+
+        it('keeps white space between XML nodes', function() {
+            var xmlIn = '<section>\n\n\n<div></div>\n\n\n<div></div>\n\n\n</section>',
+            doc = getDocumentFromXML(xmlIn),
+            xmlOut = doc.toXML();
+
+            var partsIn = xmlIn.split('\n\n\n'),
+                partsOut = xmlOut.split('\n\n\n');
+
+            expect(partsIn).to.deep.equal(partsOut);
+        });
+
+        it('keeps white space between XML nodes - inline case', function() {
+            var xmlIn = '<section>\n\n\n<span></span>\n\n\n<span></span>\n\n\n</section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+
+            var partsIn = xmlIn.split('\n\n\n'),
+                partsOut = xmlOut.split('\n\n\n');
+            expect(partsIn).to.deep.equal(partsOut);
         });
 
         });
 
-        it('returns attributes other than class and meta-* as other attributes', function() {
-            var node = nodeFromXML('<span class="uri" meta-attr="val" attr1="val1" attr2="val2"></span>');
-            expect(node.getOtherAttributes()).to.eql({attr1: 'val1', attr2: 'val2'});
+        it('keeps white space at the beginning of text', function() {
+            var xmlIn = '<section>    abc<div>some div</div>    abc</section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+
+            expect(xmlOut).to.equal(xmlIn);
+        });
+
+        // it('nests new children block elements', function() {
+        //     var doc = getDocumentFromXML('<section></section>');
+    
+        //     doc.root.append({tag: 'header'});
+
+        //     var xmlOut = doc.toXML();
+        //     expect(xmlOut.split('\n  ')[0]).to.equal('<section>', 'nesting start ok');
+        //     expect(xmlOut.split('\n').slice(-1)[0]).to.equal('</section>', 'nesting end ok');
+
+        // });
+
+        // it('doesn\'t nest new children inline elements', function() {
+        //     var doc = getDocumentFromXML('<section></section>');
+    
+        //     doc.root.append({tag: 'span'});
+
+        //     var xmlOut = doc.toXML();
+        //     expect(xmlOut).to.equal('<section><span></span></section>');
+        // });
+
+        it('keeps original white space at the end of text', function() {
+            
+            var xmlIn = '<header>    Some text ended with white space \
+            \
+            <span class="uri">Some text</span> some text\
+        \
+        </header>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+        
+            expect(xmlOut).to.equal(xmlIn);
+        });
+
+        it('keeps white space around text node', function() {
+            var xmlIn = '<section>\
+            <header>header1</header>\
+            Some text surrounded by white space\
+            <header>header2</header>\
+        </section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+            expect(xmlOut).to.equal(xmlIn);
+        });
+
+        it('keeps white space around text node - last node case', function() {
+            var xmlIn = '<section>\
+            <header>header</header>\
+                \
+            Some text surrounded by white space\
+                \
+        </section>',
+                doc = getDocumentFromXML(xmlIn),
+                xmlOut = doc.toXML();
+
+            expect(xmlOut).to.equal(xmlIn);
+        });
+
+        it('keeps white space after detaching text element', function() {
+            var xmlIn = '<section><header>header</header>\n\
+                \n\
+            text1\n\
+                \n\
+        </section>',
+                expectedXmlOut = '<section><header>header</header>\n\
+                \n\
+            \n\
+                \n\
+        </section>',
+                doc = getDocumentFromXML(xmlIn),
+                contents = doc.root.contents(),
+                text = contents[contents.length-1];
+            
+            expect(text.getText()).to.equal('text1');
+
+            text.detach();
+
+            var xmlOut = doc.toXML();
+            expect(xmlOut).to.equal(expectedXmlOut);
+        });
+
+    });
+
+    describe('Extension', 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];
+            testClassNode = doc.root.contents('.test_class');
+            extension = {};
+            
+            expect(testClassNode.object).to.be.undefined;
+
+        });
+
+        it('allows adding method to an ElementNode of specific class', function() {
+            extension = {wlxmlClass: {test_class: {methods: {
+                testMethod: function() { return this; }
+            }}}};
+            doc.registerExtension(extension);
+            testClassNode = doc.root.contents()[1];
+            expect(testClassNode.object.testMethod().sameNode(testClassNode)).to.equal(true, '1');
+        });
+
+        it('allows adding transformation to an ElementNode of specific class', function() {
+            extension = {wlxmlClass: {test_class: {transformations: {
+                testTransformation: function() { return this; },
+                testTransformation2: {impl: function() { return this; }}
+            }}}};
+            doc.registerExtension(extension);
+            testClassNode = doc.root.contents()[1];
+            expect(testClassNode.object.testTransformation().sameNode(testClassNode)).to.equal(true, '1');
+            expect(testClassNode.object.testTransformation2().sameNode(testClassNode)).to.equal(true, '1');
+        });
+    });
+
+    describe.only('Metadata API', function() {
+        it('allows to set metadata on an element node', function() {
+            var doc = getDocumentFromXML('<section></section>');
+            expect(doc.root.getMetadata()).to.deep.equal([]);
+            doc.root.addMetadataRow({key: 'key', value: 'value'});
+            expect(doc.root.getMetadata()).to.deep.equal([{key: 'key', value: 'value'}]);
+        });
+
+        it('reads node\'s metadata from its metadata child node', function() {
+            var doc = getDocumentFromXML('<section><metadata><dc:key>value</dc:key></metadata></section>');
+            expect(doc.root.getMetadata()).to.deep.equal([{key: 'key', value: 'value'}]);
+        });
+
+        it('serializes node\'s metadata to its metadata child node', function() {
+            var doc = getDocumentFromXML('<section></section>');
+
+            doc.root.addMetadataRow({key: 'key', value: 'value'});
+
+            var metadataNodes = $(doc.toXML()).children('metadata'),
+                keyNodes = metadataNodes.children();
+            
+            expect(metadataNodes).to.have.length(1);
+            expect(keyNodes).to.have.length(1);
+            expect(keyNodes[0].tagName.toLowerCase()).to.equal('dc:key');
+            expect($(keyNodes[0]).text()).to.equal('value');
+        });
+        it('doesnt show metadata node on nodes contents', function() {
+            var doc = getDocumentFromXML('<section><metadata><dc:key>value</dc:key></metadata></section>');
+            expect(doc.root.contents()).to.have.length(0);
         });
     });
 
         });
     });