module("data"); test("expando", function(){ expect(7); equals("expando" in jQuery, true, "jQuery is exposing the expando"); var obj = {}; jQuery.data(obj); equals( jQuery.expando in obj, true, "jQuery.data adds an expando to the object" ); equals( typeof obj[jQuery.expando], "function", "jQuery.data adds an expando to the object as a function" ); obj = {}; jQuery.data(obj, 'test'); equals( jQuery.expando in obj, false, "jQuery.data did not add an expando to the object" ); obj = {}; jQuery.data(obj, "foo", "bar"); equals( jQuery.expando in obj, true, "jQuery.data added an expando to the object" ); var id = obj[jQuery.expando](); equals( id in jQuery.cache, false, "jQuery.data did not add an entry to jQuery.cache" ); equals( id.foo, "bar", "jQuery.data worked correctly" ); }); test("jQuery.data", function() { expect(13); var div = document.createElement("div"); ok( jQuery.data(div, "test") === undefined, "Check for no data exists" ); jQuery.data(div, "test", "success"); equals( jQuery.data(div, "test"), "success", "Check for added data" ); ok( jQuery.data(div, "notexist") === undefined, "Check for no data exists" ); var data = jQuery.data(div); same( data, { "test": "success" }, "Return complete data set" ); jQuery.data(div, "test", "overwritten"); equals( jQuery.data(div, "test"), "overwritten", "Check for overwritten data" ); jQuery.data(div, "test", undefined); equals( jQuery.data(div, "test"), "overwritten", "Check that data wasn't removed"); jQuery.data(div, "test", null); ok( jQuery.data(div, "test") === null, "Check for null data"); jQuery.data(div, "test3", "orig"); jQuery.data(div, { "test": "in", "test2": "in2" }); equals( jQuery.data(div, "test"), "in", "Verify setting an object in data." ); equals( jQuery.data(div, "test2"), "in2", "Verify setting an object in data." ); equals( jQuery.data(div, "test3"), "orig", "Verify original not overwritten." ); var obj = {}; jQuery.data( obj, "prop", true ); ok( obj[ jQuery.expando ], "Data is being stored on the object." ); ok( obj[ jQuery.expando ]().prop, "Data is being stored on the object." ); equals( jQuery.data( obj, "prop" ), true, "Make sure the right value is retrieved." ); }); test(".data()", function() { expect(2); var div = jQuery("#foo"); div.data("test", "success"); same( div.data(), {test: "success"}, "data() get the entire data object" ); var nodiv = jQuery("#unfound"); equals( nodiv.data(), null, "data() on empty set returns null" ); }) test(".data(String) and .data(String, Object)", function() { expect(27); var parent = jQuery("
"), div = parent.children(); parent .bind("getData", function(){ ok( false, "getData bubbled." ) }) .bind("setData", function(){ ok( false, "setData bubbled." ) }) .bind("changeData", function(){ ok( false, "changeData bubbled." ) }); ok( div.data("test") === undefined, "Check for no data exists" ); div.data("test", "success"); equals( div.data("test"), "success", "Check for added data" ); div.data("test", "overwritten"); equals( div.data("test"), "overwritten", "Check for overwritten data" ); div.data("test", undefined); equals( div.data("test"), "overwritten", "Check that data wasn't removed"); div.data("test", null); ok( div.data("test") === null, "Check for null data"); ok( div.data("notexist") === undefined, "Check for no data exists" ); div.data("test", "overwritten"); var hits = {test:0}, gets = {test:0}, changes = {test:0, value:null}; function logChangeData(e,key,value) { var dataKey = key; if ( e.namespace ) { dataKey = dataKey + "." + e.namespace; } changes[key] += value; changes.value = jQuery.data(e.target, dataKey); } div .bind("setData",function(e,key,value){ hits[key] += value; }) .bind("setData.foo",function(e,key,value){ hits[key] += value; }) .bind("changeData",logChangeData) .bind("changeData.foo",logChangeData) .bind("getData",function(e,key){ gets[key] += 1; }) .bind("getData.foo",function(e,key){ gets[key] += 3; }); div.data("test.foo", 2); equals( div.data("test"), "overwritten", "Check for original data" ); equals( div.data("test.foo"), 2, "Check for namespaced data" ); equals( div.data("test.bar"), "overwritten", "Check for unmatched namespace" ); equals( hits.test, 2, "Check triggered setter functions" ); equals( gets.test, 5, "Check triggered getter functions" ); equals( changes.test, 2, "Check sets raise changeData"); equals( changes.value, 2, "Check changeData after data has been set" ); hits.test = 0; gets.test = 0; changes.test = 0; changes.value = null; div.data("test", 1); equals( div.data("test"), 1, "Check for original data" ); equals( div.data("test.foo"), 2, "Check for namespaced data" ); equals( div.data("test.bar"), 1, "Check for unmatched namespace" ); equals( hits.test, 1, "Check triggered setter functions" ); equals( gets.test, 5, "Check triggered getter functions" ); equals( changes.test, 1, "Check sets raise changeData" ); equals( changes.value, 1, "Check changeData after data has been set" ); div .bind("getData",function(e,key){ return key + "root"; }) .bind("getData.foo",function(e,key){ return key + "foo"; }); equals( div.data("test"), "testroot", "Check for original data" ); equals( div.data("test.foo"), "testfoo", "Check for namespaced data" ); equals( div.data("test.bar"), "testroot", "Check for unmatched namespace" ); // #3748 var $elem = jQuery({}); equals( $elem.data('nothing'), undefined, "Non-existent data returns undefined"); equals( $elem.data('null',null).data('null'), null, "null's are preserved"); equals( $elem.data('emptyString','').data('emptyString'), '', "Empty strings are preserved"); equals( $elem.data('false',false).data('false'), false, "false's are preserved"); // Clean up $elem.removeData(); }); test("data-* attributes", function() { expect(27); var div = jQuery("
"), child = jQuery("
"); 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-point", "5.5") .attr("data-pointe", "5.5E3") .attr("data-pointbad", "5..5") .attr("data-pointbad2", "-.") .attr("data-badjson", "{123}") .attr("data-badjson2", "[abc]") .attr("data-empty", "") .attr("data-space", " ") .attr("data-null", "null") .attr("data-string", "test"); strictEqual( child.data('true'), true, "Primitive true read from attribute"); strictEqual( child.data('false'), false, "Primitive false read from attribute"); strictEqual( child.data('five'), 5, "Primitive number read from attribute"); strictEqual( child.data('point'), 5.5, "Primitive number read from attribute"); strictEqual( child.data('pointe'), 5500, "Primitive number read from attribute"); strictEqual( child.data('pointbad'), "5..5", "Bad number read from attribute"); strictEqual( child.data('pointbad2'), "-.", "Bad number read from attribute"); strictEqual( child.data('badjson'), "{123}", "Bad number read from attribute"); strictEqual( child.data('badjson2'), "[abc]", "Bad number read from attribute"); strictEqual( child.data('empty'), "", "Empty string read from attribute"); strictEqual( child.data('space'), " ", "Empty string read from attribute"); strictEqual( child.data('null'), null, "Primitive null read from attribute"); strictEqual( 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"); same(jQuery(elem).data("bar"), {"test":"baz"}, "Check bar property"); break; case 3: equals(jQuery(elem).data("number"), true, "Check number property"); same(jQuery(elem).data("stuff"), [2,8], "Check stuff property"); break; default: ok(false, ["Assertion failed on index ", index, ", with data ", data].join('')); } } var metadata = '
  1. Some stuff
  2. Some stuff
  3. Some stuff
  4. Some stuff
', elem = jQuery(metadata).appendTo('#main'); elem.find("li").each(testData); elem.remove(); }); test(".data(Object)", function() { expect(2); var div = jQuery("
"); div.data({ "test": "in", "test2": "in2" }); equals( div.data("test"), "in", "Verify setting an object in data." ); equals( div.data("test2"), "in2", "Verify setting an object in data." ); }); test("jQuery.removeData", function() { expect(1); var div = jQuery("#foo")[0]; jQuery.data(div, "test", "testing"); jQuery.removeData(div, "test"); equals( jQuery.data(div, "test"), undefined, "Check removal of data" ); }); test(".removeData()", function() { expect(6); var div = jQuery("#foo"); div.data("test", "testing"); div.removeData("test"); equals( div.data("test"), undefined, "Check removal of data" ); div.data("test", "testing"); div.data("test.foo", "testing2"); div.removeData("test.bar"); equals( div.data("test.foo"), "testing2", "Make sure data is intact" ); equals( div.data("test"), "testing", "Make sure data is intact" ); div.removeData("test"); equals( div.data("test.foo"), "testing2", "Make sure data is intact" ); equals( div.data("test"), undefined, "Make sure data is intact" ); div.removeData("test.foo"); equals( div.data("test.foo"), undefined, "Make sure data is intact" ); });