module("data", { teardown: moduleTeardown }); test("expando", function(){ expect(1); equals("expando" in jQuery, true, "jQuery is exposing the expando"); }); function dataTests (elem) { // expect(32) function getCacheLength() { var cacheLength = 0; for (var i in jQuery.cache) { ++cacheLength; } return cacheLength; } equals( jQuery.data(elem, "foo"), undefined, "No data exists initially" ); strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists initially" ); var dataObj = jQuery.data(elem); equals( typeof dataObj, "object", "Calling data with no args gives us a data object reference" ); strictEqual( jQuery.data(elem), dataObj, "Calling jQuery.data returns the same data object when called multiple times" ); strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists even when an empty data obj exists" ); dataObj.foo = "bar"; equals( jQuery.data(elem, "foo"), "bar", "Data is readable by jQuery.data when set directly on a returned data object" ); strictEqual( jQuery.hasData(elem), true, "jQuery.hasData agrees data exists when data exists" ); jQuery.data(elem, "foo", "baz"); equals( jQuery.data(elem, "foo"), "baz", "Data can be changed by jQuery.data" ); equals( dataObj.foo, "baz", "Changes made through jQuery.data propagate to referenced data object" ); jQuery.data(elem, "foo", undefined); equals( jQuery.data(elem, "foo"), "baz", "Data is not unset by passing undefined to jQuery.data" ); jQuery.data(elem, "foo", null); strictEqual( jQuery.data(elem, "foo"), null, "Setting null using jQuery.data works OK" ); jQuery.data(elem, "foo", "foo1"); jQuery.data(elem, { "bar" : "baz", "boom" : "bloz" }); strictEqual( jQuery.data(elem, "foo"), "foo1", "Passing an object extends the data object instead of replacing it" ); equals( jQuery.data(elem, "boom"), "bloz", "Extending the data object works" ); jQuery._data(elem, "foo", "foo2"); equals( jQuery._data(elem, "foo"), "foo2", "Setting internal data works" ); equals( jQuery.data(elem, "foo"), "foo1", "Setting internal data does not override user data" ); var internalDataObj = jQuery.data(elem, jQuery.expando); strictEqual( jQuery._data(elem), internalDataObj, "Internal data object is accessible via jQuery.expando property" ); notStrictEqual( dataObj, internalDataObj, "Internal data object is not the same as user data object" ); strictEqual( elem.boom, undefined, "Data is never stored directly on the object" ); jQuery.removeData(elem, "foo"); strictEqual( jQuery.data(elem, "foo"), undefined, "jQuery.removeData removes single properties" ); jQuery.removeData(elem); strictEqual( jQuery.data(elem, jQuery.expando), internalDataObj, "jQuery.removeData does not remove internal data if it exists" ); jQuery.removeData(elem, undefined, true); strictEqual( jQuery.data(elem, jQuery.expando), undefined, "jQuery.removeData on internal data works" ); strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees all data has been removed from object" ); jQuery._data(elem, "foo", "foo2"); strictEqual( jQuery.hasData(elem), true, "jQuery.hasData shows data exists even if it is only internal data" ); jQuery.data(elem, "foo", "foo1"); equals( jQuery._data(elem, "foo"), "foo2", "Setting user data does not override internal data" ); jQuery.removeData(elem, undefined, true); equals( jQuery.data(elem, "foo"), "foo1", "jQuery.removeData for internal data does not remove user data" ); if (elem.nodeType) { var oldCacheLength = getCacheLength(); jQuery.removeData(elem, "foo"); equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the data object destroys it" ); } else { jQuery.removeData(elem, "foo"); var expected, actual; if (jQuery.support.deleteExpando) { expected = false; actual = jQuery.expando in elem; } else { expected = null; actual = elem[ jQuery.expando ]; } equals( actual, expected, "Removing the last item in the data object destroys it" ); } jQuery.data(elem, "foo", "foo1"); jQuery._data(elem, "foo", "foo2"); equals( jQuery.data(elem, "foo"), "foo1", "(sanity check) Ensure data is set in user data object" ); equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" ); jQuery.removeData(elem, "foo", true); strictEqual( jQuery.data(elem, jQuery.expando), undefined, "Removing the last item in internal data destroys the internal data object" ); jQuery._data(elem, "foo", "foo2"); equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" ); jQuery.removeData(elem, "foo"); equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) jQuery.removeData for user data does not remove internal data" ); if (elem.nodeType) { oldCacheLength = getCacheLength(); jQuery.removeData(elem, "foo", true); equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the internal data object also destroys the user data object when it is empty" ); } else { jQuery.removeData(elem, "foo", true); if (jQuery.support.deleteExpando) { expected = false; actual = jQuery.expando in elem; } else { expected = null; actual = elem[ jQuery.expando ]; } equals( actual, expected, "Removing the last item in the internal data object also destroys the user data object when it is empty" ); } } test("jQuery.data", function() { expect(128); var div = document.createElement("div"); dataTests(div); dataTests({}); // remove bound handlers from window object to stop potential false positives caused by fix for #5280 in // transports/xhr.js jQuery(window).unbind("unload"); dataTests(window); dataTests(document); // clean up unattached element jQuery(div).remove(); }); test("jQuery.acceptData", function() { expect(7); ok( jQuery.acceptData( document ), "document" ); ok( jQuery.acceptData( document.documentElement ), "documentElement" ); ok( jQuery.acceptData( {} ), "object" ); ok( !jQuery.acceptData( document.createElement("embed") ), "embed" ); ok( !jQuery.acceptData( document.createElement("applet") ), "applet" ); var flash = document.createElement("object"); flash.setAttribute("classid", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"); ok( jQuery.acceptData( flash ), "flash" ); var applet = document.createElement("object"); applet.setAttribute("classid", "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"); ok( !jQuery.acceptData( applet ), "applet" ); }); test(".data()", function() { expect(5); var div = jQuery("#foo"); strictEqual( div.data("foo"), undefined, "Make sure that missing result is undefined" ); div.data("test", "success"); var dataObj = div.data(); // TODO: Remove this hack which was introduced in 1.5.1 delete dataObj.toJSON; same( dataObj, {test: "success"}, "data() get the entire data object" ); strictEqual( div.data("foo"), undefined, "Make sure that missing result is still undefined" ); var nodiv = jQuery("#unfound"); equals( nodiv.data(), null, "data() on empty set returns null" ); var obj = { foo: "bar" }; jQuery(obj).data("foo", "baz"); dataObj = jQuery.extend(true, {}, jQuery(obj).data()); // TODO: Remove this hack which was introduced for 1.5.1 delete dataObj.toJSON; deepEqual( dataObj, { foo: "baz" }, "Retrieve data object from a wrapped JS object (#7524)" ); }); test(".data(String) and .data(String, Object)", function() { expect(29); 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({exists:true}); 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"); equals( $elem.data('exists'), undefined, "Existing data is not returned" ); // Clean up $elem.removeData(); deepEqual( $elem[0], {exists:true}, "removeData does not clear the object" ); // manually clean up detached elements parent.remove(); }); test("data-* attributes", function() { expect(37); var div = jQuery("
"), child = jQuery("
"), dummy = 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.attr("data-attr", "exists2"); equals( div.data("attr"), "exists", "Check that updates to data- don't update .data()" ); div.data("attr", "internal").attr("data-attr", "external"); equals( div.data("attr"), "internal", "Check for .data('attr') precedence (internal > external data-* attribute)" ); div.remove(); 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"); var obj = child.data(), obj2 = dummy.data(), check = [ "myobj", "ignored", "other" ], num = 0, num2 = 0; dummy.remove(); for ( var i = 0, l = check.length; i < l; i++ ) { ok( obj[ check[i] ], "Make sure data- property exists when calling data-." ); ok( obj2[ check[i] ], "Make sure data- property exists when calling data-." ); } for ( var prop in obj ) { num++; } equals( num, check.length, "Make sure that the right number of properties came through." ); for ( var prop in obj2 ) { num2++; } equals( num2, check.length, "Make sure that the right number of properties came through." ); child.attr("data-other", "newvalue"); equals( child.data("other"), "test", "Make sure value was pulled in properly from a .data()." ); 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(4); 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" ); var obj = {test:"unset"}, jqobj = jQuery(obj); jqobj.data("test", "unset"); jqobj.data({ "test": "in", "test2": "in2" }); equals( jQuery.data(obj).test, "in", "Verify setting an object on an object extends the data object" ); equals( obj.test2, undefined, "Verify setting an object on an object does not extend the object" ); // manually clean up detached elements div.remove(); }); test("jQuery.removeData", function() { expect(6); var div = jQuery("#foo")[0]; jQuery.data(div, "test", "testing"); jQuery.removeData(div, "test"); equals( jQuery.data(div, "test"), undefined, "Check removal of data" ); jQuery.data(div, "test2", "testing"); jQuery.removeData( div ); ok( !jQuery.data(div, "test2"), "Make sure that the data property no longer exists." ); ok( !div[ jQuery.expando ], "Make sure the expando no longer exists, as well." ); var obj = {}; jQuery.data(obj, "test", "testing"); equals( jQuery(obj).data("test"), "testing", "verify data on plain object"); jQuery.removeData(obj, "test"); equals( jQuery.data(obj, "test"), undefined, "Check removal of data on plain object" ); jQuery.data( window, "BAD", true ); jQuery.removeData( window, "BAD" ); ok( !jQuery.data( window, "BAD" ), "Make sure that the value was not still set." ); }); 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" ); }); if (window.JSON && window.JSON.stringify) { test("JSON serialization (#8108)", function () { expect(1); var obj = { foo: "bar" }; jQuery.data(obj, "hidden", true); equals( JSON.stringify(obj), '{"foo":"bar"}', "Expando is hidden from JSON.stringify" ); }); } test("jQuery.data should follow html5 specification regarding camel casing", function() { expect(6); var div = jQuery("
") .prependTo("body"); equals(div.data().foo, "a", "Verify single word data-* key"); equals(div.data().fooBar, "b", "Verify multiple word data-* key"); equals(div.data().fooBarBaz, "c", "Verify multiple word data-* key"); equals(div.data("foo"), "a", "Verify single word data-* key"); equals(div.data("fooBar"), "b", "Verify multiple word data-* key"); equals(div.data("fooBarBaz"), "c", "Verify multiple word data-* key"); div.remove(); });