module("data"); test("expando", function(){ expect(6); 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" ); 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, true, "jQuery.data added an entry to jQuery.cache" ); equals( jQuery.cache[id].foo, "bar", "jQuery.data worked correctly" ); }); test("jQuery.data", function() { expect(8); var div = jQuery("#foo")[0]; equals( 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" ); 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, { "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." ); }); test(".data()", function() { expect(1); var div = jQuery("#foo"); div.data("test", "success"); same( div.data(), {test: "success"}, "data() get the entire data object" ) }) test(".data(String) and .data(String, Object)", function() { expect(22); var div = jQuery("#foo"); equals( 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"); div.data("test", "overwritten"); var hits = {test:0}, gets = {test:0}; div .bind("setData",function(e,key,value){ hits[key] += value; }) .bind("setData.foo",function(e,key,value){ hits[key] += value; }) .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" ); hits.test = 0; gets.test = 0; 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" ); hits.test = 0; gets.test = 0; 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(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" ); });