Adding Element.AddHTML and Element.addText methods.

tests/html/element_add_test.dart

+#library('ElementAddTest');

[vsm, 2012/08/22 20:09:34]

Please add back the copyright (with 2012).

[blois, 2012/08/22 20:40:59]

Done.

+#import('../../pkg/unittest/unittest.dart');
+#import('../../pkg/unittest/html_config.dart');
+#import('dart:html');
+#source('util.dart');
+
+main() {
+  useHtmlConfiguration();
+
+  void expectNoSuchMethod(void fn()) =>
+    Expect.throws(fn, (e) => e is NoSuchMethodException);
+
+  group('addHTML', () {
+    test('htmlelement', () {
+      // Adding a <tr/> to a table should auto-wrap it into a tbody element.
+      var el = new TableElement();
+      el.addHTML('<tr>test</tr>');
+      expect(el.elements.length, equals(1));
+      var section = el.elements[0];
+      expect(section is TableSectionElement);
+      expect(section.elements.length, equals(1));
+      expect(section.elements[0] is TableRowElement);
+
+      el.addHTML('<tr>test</tr>');
+      expect(el.elements.length, equals(2));
+      // Validate that the first item is still first.
+      expect(el.elements[0] == section);
+      expect(el.elements[1] is TableSectionElement);
+    });
+
+    test('documentFragment', () {
+      var fragment = new DocumentFragment();
+      fragment.addHTML('<span>something</span>');
+      expect(fragment.elements.length, equals(1));
+      expect(fragment.elements[0] is SpanElement);
+    });
+
+    test('svg', () {
+      var svg = new SVGElement.tag('g');
+      expectNoSuchMethod(() => svg.addHTML('<rect/>'));;
+    });
+  });
+
+  group('addText', () {
+    test('htmlelement', () {
+      var el = new DivElement();
+      el.addText('foo');
+      // No elements were created.
+      expect(el.elements.length, equals(0));
+      // One text node was added.
+      expect(el.nodes.length, equals(1));
+    });
+
+    test('documentFragment', () {
+      var fragment = new DocumentFragment();
+      fragment.addText('foo');
+      // No elements were created.
+      expect(fragment.elements.length, equals(0));
+      // One text node was added.
+      expect(fragment.nodes.length, equals(1));
+    });
+
+    test('svg', () {
+      var svg = new SVGElement.tag('g');
+      expectNoSuchMethod(() => svg.addText('foo'));
+    });
+  });
+}