test: changing text of cell resets rendered status

IPython/html/tests/notebook/markdown.js

@@ -17,20 +17,31 b' casper.notebook_test(function () {'
         $('#to_code').mouseenter().click();
         $('#to_markdown').mouseenter().click();
         var cell = IPython.notebook.get_selected_cell();
-        cell.set_text('# Foo');
+        cell.set_text('# Bar');
         $('#run_cell').mouseenter().click();
         return cell.get_rendered();
     });
-    this.test.assertEquals(output.trim(), '<h1 id=\"foo\">Foo</h1>', 'Markdown menubar items work.');
+    this.test.assertEquals(output.trim(), '<h1 id=\"bar\">Bar</h1>', 'Markdown menubar items work.');
     
     // Test toolbar buttons.
     output = this.evaluate(function () {
         $('#cell_type').val('code').change();
         $('#cell_type').val('markdown').change();
         var cell = IPython.notebook.get_selected_cell();
-        cell.set_text('# Foo');
+        cell.set_text('# Baz');
         $('#run_b').click();
         return cell.get_rendered();
     });
-    this.test.assertEquals(output.trim(), '<h1 id=\"foo\">Foo</h1>', 'Markdown toolbar items work.');
+    this.test.assertEquals(output.trim(), '<h1 id=\"baz\">Baz</h1>', 'Markdown toolbar items work.');
+    
+    // Test JavaScript models.
+    var output = this.evaluate(function () {
+
+        var cell = IPython.notebook.insert_cell_at_index('markdown', 0);
+        cell.set_text('# Qux');
+        cell.render();
+        return cell.get_rendered();
+    });
+    this.test.assertEquals(output.trim(), '<h1 id=\"qux\">Qux</h1>', 'Markdown JS API works.');
+    
 });