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><div></div></div>"),
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("<div>"),
child = jQuery("<div data-myobj='old data' data-ignored=\"DOM\" data-other='test'></div>"),
dummy = jQuery("<div data-myobj='old data' data-ignored=\"DOM\" data-other='test'></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.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 = '<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(4);
var div = jQuery("<div/>");
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" );
});
}
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