-module("data");
+module("data", { teardown: moduleTeardown });
test("expando", function(){
- expect(6);
+ expect(1);
equals("expando" in jQuery, true, "jQuery is exposing the expando");
+});
- var obj = {};
- equals( jQuery.data(obj), obj, "jQuery.data(obj) returns the object");
- equals( jQuery.expando in obj, false, "jQuery.data(obj) did not add an expando to the object" );
+function dataTests (elem) {
+ // expect(32)
- obj = {};
- jQuery.data(obj, 'test');
- equals( jQuery.expando in obj, false, "jQuery.data(obj,key) did not add an expando to the object" );
+ function getCacheLength() {
+ var cacheLength = 0;
+ for (var i in jQuery.cache) {
+ ++cacheLength;
+ }
- obj = {};
- jQuery.data(obj, "foo", "bar");
- equals( jQuery.expando in obj, false, "jQuery.data(obj,key,value) did not add an expando to the object" );
- equals( obj.foo, "bar", "jQuery.data(obj,key,value) sets fields directly on the object." );
-});
+ return cacheLength;
+ }
-test("jQuery.acceptData", function() {
- expect(7);
+ equals( jQuery.data(elem, "foo"), undefined, "No data exists initially" );
+ strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists initially" );
- 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 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" );
- var flash = document.createElement("object");
- flash.setAttribute("classid", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000");
- ok( jQuery.acceptData( flash ), "flash" );
+ strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists even when an empty data obj exists" );
- var applet = document.createElement("object");
- applet.setAttribute("classid", "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93");
- ok( !jQuery.acceptData( applet ), "applet" );
-});
+ dataObj.foo = "bar";
+ equals( jQuery.data(elem, "foo"), "bar", "Data is readable by jQuery.data when set directly on a returned data object" );
-test("jQuery.data", function() {
- expect(15);
- var div = document.createElement("div");
+ strictEqual( jQuery.hasData(elem), true, "jQuery.hasData agrees data exists when data exists" );
- ok( jQuery.data(div, "test") === undefined, "Check for no 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(div, "test", "success");
- equals( jQuery.data(div, "test"), "success", "Check for added data" );
+ jQuery.data(elem, "foo", undefined);
+ equals( jQuery.data(elem, "foo"), "baz", "Data is not unset by passing undefined to jQuery.data" );
- ok( jQuery.data(div, "notexist") === undefined, "Check for no data exists" );
+ jQuery.data(elem, "foo", null);
+ strictEqual( jQuery.data(elem, "foo"), null, "Setting null using jQuery.data works OK" );
- var data = jQuery.data(div);
- same( data, { "test": "success" }, "Return complete data set" );
+ jQuery.data(elem, "foo", "foo1");
- jQuery.data(div, "test", "overwritten");
- equals( jQuery.data(div, "test"), "overwritten", "Check for overwritten data" );
+ 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(div, "test", undefined);
- equals( jQuery.data(div, "test"), "overwritten", "Check that data wasn't removed");
+ 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" );
- jQuery.data(div, "test", null);
- ok( jQuery.data(div, "test") === null, "Check for null 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" );
- 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" );
+ strictEqual( elem.boom, undefined, "Data is never stored directly on the object" );
- var obj = {};
- jQuery.data( obj, "prop", true );
+ jQuery.removeData(elem, "foo");
+ strictEqual( jQuery.data(elem, "foo"), undefined, "jQuery.removeData removes single properties" );
- ok( obj.prop, "Data is being stored on the object" );
- equals( jQuery.data( obj, "prop" ), true, "Make sure the right value is retrieved" );
+ jQuery.removeData(elem);
+ strictEqual( jQuery.data(elem, jQuery.expando), internalDataObj, "jQuery.removeData does not remove internal data if it exists" );
- jQuery.data( window, "BAD", true );
- ok( !window[ jQuery.expando ], "Make sure there is no expando on the window object." );
- ok( !window.BAD, "And make sure that the property wasn't set directly on the window." );
- ok( jQuery.data( window, "BAD" ), "Make sure that the value was set." );
-});
+ jQuery.removeData(elem, undefined, true);
-test("jQuery.hasData", function() {
- expect(6);
+ 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");
- function testData(obj) {
- equals( jQuery.hasData(obj), false, "No data exists" );
- jQuery.data( obj, "foo", "bar" );
- equals( jQuery.hasData(obj), true, "Data exists" );
- jQuery.removeData( obj, "foo" );
- equals( jQuery.hasData(obj), false, "Data was removed" );
+ 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" );
- testData(document.createElement('div'));
- testData({});
+ 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() {
var div = jQuery("#foo");
strictEqual( div.data("foo"), undefined, "Make sure that missing result is undefined" );
-
div.data("test", "success");
same( div.data(), {test: "success"}, "data() get the entire data object" );
strictEqual( div.data("foo"), undefined, "Make sure that missing result is still undefined" );
equals( nodiv.data(), null, "data() on empty set returns null" );
var obj = { foo: "bar" };
- equals( jQuery(obj).data(), obj, "Retrieve data object from a wrapped JS object (#7524)" );
+ deepEqual( jQuery(obj).data(), {}, "Retrieve data object from a wrapped JS object (#7524)" );
})
test(".data(String) and .data(String, Object)", function() {
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'), true, "Existing data is returned" );
+ equals( $elem.data('exists'), undefined, "Existing data is not returned" );
// Clean up
$elem.removeData();
- ok( jQuery.isEmptyObject( $elem[0] ), "removeData clears the object" );
+ deepEqual( $elem[0], {exists:true}, "removeData does not clear the object" );
+
+ // manually clean up detached elements
+ parent.remove();
});
test("data-* attributes", function() {
var obj = {test:"unset"},
jqobj = jQuery(obj);
+ jqobj.data("test", "unset");
jqobj.data({ "test": "in", "test2": "in2" });
- equals( obj.test, "in", "Verify setting an object on an object extends the object" );
- equals( obj.test2, "in2", "Verify setting an object on an object extends the object" );
+ 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(7);
+ expect(6);
var div = jQuery("#foo")[0];
jQuery.data(div, "test", "testing");
jQuery.removeData(div, "test");
var obj = {};
jQuery.data(obj, "test", "testing");
- equals( obj.test, "testing", "verify data on plain object");
+ 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" );
- equals( obj.test, undefined, "Check removal of data directly from plain object" );
jQuery.data( window, "BAD", true );
jQuery.removeData( window, "BAD" );
div.removeData("test.foo");
equals( div.data("test.foo"), undefined, "Make sure data is intact" );
-});
+});
\ No newline at end of file
git.asbjorn.biz / jquery.git / blobdiff