Pull data-* attributes into .data(). Original code by Andrée Hasson and Paul Irish...
[jquery.git] / test / unit / data.js
index 872bbb7..c7307bf 100644 (file)
@@ -157,6 +157,74 @@ test(".data(String) and .data(String, Object)", function() {
        $elem.removeData();
 });
 
+test("data-* attributes", function() {
+       expect(19);
+       var div = jQuery("<div>"),
+               child = jQuery("<div data-myobj='old data' data-ignored=\"DOM\"></div>");
+               
+       equals( div.data("attr"), undefined, "Check for non-existing data-attr attribute" );
+
+       div.attr("data-attr", "exists");
+       equals( div.data("attr"), "exists", "Check for existing data-attr attribute" );
+               
+       div.data("attr", "internal").attr("data-attr", "external");
+       equals( div.data("attr"), "internal", "Check for .data('attr') precedence (internal > external data-* attribute)" );
+       
+       child.appendTo('#main');
+       equals( child.data("myobj"), "old data", "Value accessed from data-* attribute");
+
+       child.data("myobj", "replaced");
+       equals( child.data("myobj"), "replaced", "Original data overwritten");
+
+       child.data("ignored", "cache");
+       equals( child.data("ignored"), "cache", "Cached data used before DOM data-* fallback");
+
+       child
+               .attr("data-true", "true")
+               .attr("data-false", "false")
+               .attr("data-five", "5")
+               .attr("data-null", "null")
+               .attr("data-string", "test");
+       
+       equals( child.data('true'), true, "Primitive true read from attribute");
+       equals( child.data('false'), false, "Primitive false read from attribute");
+       equals( child.data('five'), 5, "Primitive number read from attribute");
+       equals( child.data('null'), null, "Primitive null read from attribute");
+       equals( child.data('string'), "test", "Typical string read from attribute");
+
+       child.remove();
+       
+       // tests from metadata plugin
+       function testData(index, elem) {
+               switch (index) {
+               case 0:
+                       equals(jQuery(elem).data("foo"), "bar", "Check foo property");
+                       equals(jQuery(elem).data("bar"), "baz", "Check baz property");
+                       break;
+               case 1:
+                       equals(jQuery(elem).data("test"), "bar", "Check test property");
+                       equals(jQuery(elem).data("bar"), "baz", "Check bar property");
+                       break;
+               case 2:
+                       equals(jQuery(elem).data("zoooo"), "bar", "Check zoooo property");
+                       equals(jQuery(elem).data("bar"), '{"test":"baz"}', "Check bar property");
+                       break;
+               case 3:
+                       equals(jQuery(elem).data("number"), true, "Check number property");
+                       equals(jQuery(elem).data("stuff"), "[2,8]", "Check stuff property");
+                       break;
+               default:
+                       ok(false, ["Assertion failed on index ", index, ", with data ", data].join(''));
+               }
+       }
+       
+       var metadata = '<ol><li class="test test2" data-foo="bar" data-bar="baz" data-arr="[1,2]">Some stuff</li><li class="test test2" data-test="bar" data-bar="baz">Some stuff</li><li class="test test2" data-zoooo="bar" data-bar=\'{"test":"baz"}\'>Some stuff</li><li class="test test2" data-number=true data-stuff="[2,8]">Some stuff</li></ol>',
+               elem = jQuery(metadata).appendTo('#main');
+       
+       elem.find("li").each(testData);
+       elem.remove();
+});
+
 test(".data(Object)", function() {
        expect(2);