third_party/WebKit/LayoutTests/jquery/resources/test/unit/data.js

   1 module("data", { teardown: moduleTeardown });
   2
   3 test("expando", function(){
   4         expect(1);
   5
   6         equals("expando" in jQuery, true, "jQuery is exposing the expando");
   7 });
   8
   9 function dataTests (elem) {
  10         // expect(32)
  11
  12         function getCacheLength() {
  13                 var cacheLength = 0;
  14                 for (var i in jQuery.cache) {
  15                         ++cacheLength;
  16                 }
  17
  18                 return cacheLength;
  19         }
  20
  21         equals( jQuery.data(elem, "foo"), undefined, "No data exists initially" );
  22         strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists initially" );
  23
  24         var dataObj = jQuery.data(elem);
  25         equals( typeof dataObj, "object", "Calling data with no args gives us a data object reference" );
  26         strictEqual( jQuery.data(elem), dataObj, "Calling jQuery.data returns the same data object when called multiple times" );
  27
  28         strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists even when an empty data obj exists" );
  29
  30         dataObj.foo = "bar";
  31         equals( jQuery.data(elem, "foo"), "bar", "Data is readable by jQuery.data when set directly on a returned data object" );
  32
  33         strictEqual( jQuery.hasData(elem), true, "jQuery.hasData agrees data exists when data exists" );
  34
  35         jQuery.data(elem, "foo", "baz");
  36         equals( jQuery.data(elem, "foo"), "baz", "Data can be changed by jQuery.data" );
  37         equals( dataObj.foo, "baz", "Changes made through jQuery.data propagate to referenced data object" );
  38
  39         jQuery.data(elem, "foo", undefined);
  40         equals( jQuery.data(elem, "foo"), "baz", "Data is not unset by passing undefined to jQuery.data" );
  41
  42         jQuery.data(elem, "foo", null);
  43         strictEqual( jQuery.data(elem, "foo"), null, "Setting null using jQuery.data works OK" );
  44
  45         jQuery.data(elem, "foo", "foo1");
  46
  47         jQuery.data(elem, { "bar" : "baz", "boom" : "bloz" });
  48         strictEqual( jQuery.data(elem, "foo"), "foo1", "Passing an object extends the data object instead of replacing it" );
  49         equals( jQuery.data(elem, "boom"), "bloz", "Extending the data object works" );
  50
  51         jQuery._data(elem, "foo", "foo2");
  52         equals( jQuery._data(elem, "foo"), "foo2", "Setting internal data works" );
  53         equals( jQuery.data(elem, "foo"), "foo1", "Setting internal data does not override user data" );
  54
  55         var internalDataObj = jQuery.data(elem, jQuery.expando);
  56         strictEqual( jQuery._data(elem), internalDataObj, "Internal data object is accessible via jQuery.expando property" );
  57         notStrictEqual( dataObj, internalDataObj, "Internal data object is not the same as user data object" );
  58
  59         strictEqual( elem.boom, undefined, "Data is never stored directly on the object" );
  60
  61         jQuery.removeData(elem, "foo");
  62         strictEqual( jQuery.data(elem, "foo"), undefined, "jQuery.removeData removes single properties" );
  63
  64         jQuery.removeData(elem);
  65         strictEqual( jQuery.data(elem, jQuery.expando), internalDataObj, "jQuery.removeData does not remove internal data if it exists" );
  66
  67         jQuery.removeData(elem, undefined, true);
  68
  69         strictEqual( jQuery.data(elem, jQuery.expando), undefined, "jQuery.removeData on internal data works" );
  70         strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees all data has been removed from object" );
  71
  72         jQuery._data(elem, "foo", "foo2");
  73         strictEqual( jQuery.hasData(elem), true, "jQuery.hasData shows data exists even if it is only internal data" );
  74
  75         jQuery.data(elem, "foo", "foo1");
  76         equals( jQuery._data(elem, "foo"), "foo2", "Setting user data does not override internal data" );
  77
  78         jQuery.removeData(elem, undefined, true);
  79         equals( jQuery.data(elem, "foo"), "foo1", "jQuery.removeData for internal data does not remove user data" );
  80
  81         if (elem.nodeType) {
  82                 var oldCacheLength = getCacheLength();
  83                 jQuery.removeData(elem, "foo");
  84
  85                 equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the data object destroys it" );
  86         }
  87         else {
  88                 jQuery.removeData(elem, "foo");
  89                 var expected, actual;
  90
  91                 if (jQuery.support.deleteExpando) {
  92                         expected = false;
  93                         actual = jQuery.expando in elem;
  94                 }
  95                 else {
  96                         expected = null;
  97                         actual = elem[ jQuery.expando ];
  98                 }
  99
 100                 equals( actual, expected, "Removing the last item in the data object destroys it" );
 101         }
 102
 103         jQuery.data(elem, "foo", "foo1");
 104         jQuery._data(elem, "foo", "foo2");
 105
 106         equals( jQuery.data(elem, "foo"), "foo1", "(sanity check) Ensure data is set in user data object" );
 107         equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
 108
 109         jQuery.removeData(elem, "foo", true);
 110
 111         strictEqual( jQuery.data(elem, jQuery.expando), undefined, "Removing the last item in internal data destroys the internal data object" );
 112
 113         jQuery._data(elem, "foo", "foo2");
 114         equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
 115
 116         jQuery.removeData(elem, "foo");
 117         equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) jQuery.removeData for user data does not remove internal data" );
 118
 119         if (elem.nodeType) {
 120                 oldCacheLength = getCacheLength();
 121                 jQuery.removeData(elem, "foo", true);
 122                 equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the internal data object also destroys the user data object when it is empty" );
 123         }
 124         else {
 125                 jQuery.removeData(elem, "foo", true);
 126
 127                 if (jQuery.support.deleteExpando) {
 128                         expected = false;
 129                         actual = jQuery.expando in elem;
 130                 }
 131                 else {
 132                         expected = null;
 133                         actual = elem[ jQuery.expando ];
 134                 }
 135
 136                 equals( actual, expected, "Removing the last item in the internal data object also destroys the user data object when it is empty" );
 137         }
 138 }
 139
 140 test("jQuery.data", function() {
 141         expect(128);
 142
 143         var div = document.createElement("div");
 144
 145         dataTests(div);
 146         dataTests({});
 147
 148         // remove bound handlers from window object to stop potential false positives caused by fix for #5280 in
 149         // transports/xhr.js
 150         jQuery(window).unbind("unload");
 151
 152         dataTests(window);
 153         dataTests(document);
 154
 155         // clean up unattached element
 156         jQuery(div).remove();
 157 });
 158
 159 test("jQuery.acceptData", function() {
 160         expect(7);
 161
 162         ok( jQuery.acceptData( document ), "document" );
 163         ok( jQuery.acceptData( document.documentElement ), "documentElement" );
 164         ok( jQuery.acceptData( {} ), "object" );
 165         ok( !jQuery.acceptData( document.createElement("embed") ), "embed" );
 166         ok( !jQuery.acceptData( document.createElement("applet") ), "applet" );
 167
 168         var flash = document.createElement("object");
 169         flash.setAttribute("classid", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000");
 170         ok( jQuery.acceptData( flash ), "flash" );
 171
 172         var applet = document.createElement("object");
 173         applet.setAttribute("classid", "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93");
 174         ok( !jQuery.acceptData( applet ), "applet" );
 175 });
 176
 177 test(".data()", function() {
 178         expect(5);
 179
 180         var div = jQuery("#foo");
 181         strictEqual( div.data("foo"), undefined, "Make sure that missing result is undefined" );
 182         div.data("test", "success");
 183
 184         var dataObj = div.data();
 185
 186         // TODO: Remove this hack which was introduced in 1.5.1
 187         delete dataObj.toJSON;
 188
 189         same( dataObj, {test: "success"}, "data() get the entire data object" );
 190         strictEqual( div.data("foo"), undefined, "Make sure that missing result is still undefined" );
 191
 192         var nodiv = jQuery("#unfound");
 193         equals( nodiv.data(), null, "data() on empty set returns null" );
 194
 195         var obj = { foo: "bar" };
 196         jQuery(obj).data("foo", "baz");
 197
 198         dataObj = jQuery.extend(true, {}, jQuery(obj).data());
 199
 200         // TODO: Remove this hack which was introduced for 1.5.1
 201         delete dataObj.toJSON;
 202
 203         deepEqual( dataObj, { foo: "baz" }, "Retrieve data object from a wrapped JS object (#7524)" );
 204 });
 205
 206 test(".data(String) and .data(String, Object)", function() {
 207         expect(29);
 208         var parent = jQuery("<div><div></div></div>"),
 209                 div = parent.children();
 210
 211         parent
 212                 .bind("getData", function(){ ok( false, "getData bubbled." ) })
 213                 .bind("setData", function(){ ok( false, "setData bubbled." ) })
 214                 .bind("changeData", function(){ ok( false, "changeData bubbled." ) });
 215
 216         ok( div.data("test") === undefined, "Check for no data exists" );
 217
 218         div.data("test", "success");
 219         equals( div.data("test"), "success", "Check for added data" );
 220
 221         div.data("test", "overwritten");
 222         equals( div.data("test"), "overwritten", "Check for overwritten data" );
 223
 224         div.data("test", undefined);
 225         equals( div.data("test"), "overwritten", "Check that data wasn't removed");
 226
 227         div.data("test", null);
 228         ok( div.data("test") === null, "Check for null data");
 229
 230         ok( div.data("notexist") === undefined, "Check for no data exists" );
 231
 232         div.data("test", "overwritten");
 233         var hits = {test:0}, gets = {test:0}, changes = {test:0, value:null};
 234
 235
 236         function logChangeData(e,key,value) {
 237                 var dataKey = key;
 238                 if ( e.namespace ) {
 239                         dataKey = dataKey + "." + e.namespace;
 240                 }
 241                 changes[key] += value;
 242                 changes.value = jQuery.data(e.target, dataKey);
 243         }
 244
 245         div
 246                 .bind("setData",function(e,key,value){ hits[key] += value; })
 247                 .bind("setData.foo",function(e,key,value){ hits[key] += value; })
 248                 .bind("changeData",logChangeData)
 249                 .bind("changeData.foo",logChangeData)
 250                 .bind("getData",function(e,key){ gets[key] += 1; })
 251                 .bind("getData.foo",function(e,key){ gets[key] += 3; });
 252
 253         div.data("test.foo", 2);
 254         equals( div.data("test"), "overwritten", "Check for original data" );
 255         equals( div.data("test.foo"), 2, "Check for namespaced data" );
 256         equals( div.data("test.bar"), "overwritten", "Check for unmatched namespace" );
 257         equals( hits.test, 2, "Check triggered setter functions" );
 258         equals( gets.test, 5, "Check triggered getter functions" );
 259         equals( changes.test, 2, "Check sets raise changeData");
 260         equals( changes.value, 2, "Check changeData after data has been set" );
 261
 262         hits.test = 0;
 263         gets.test = 0;
 264         changes.test = 0;
 265         changes.value = null;
 266
 267         div.data("test", 1);
 268         equals( div.data("test"), 1, "Check for original data" );
 269         equals( div.data("test.foo"), 2, "Check for namespaced data" );
 270         equals( div.data("test.bar"), 1, "Check for unmatched namespace" );
 271         equals( hits.test, 1, "Check triggered setter functions" );
 272         equals( gets.test, 5, "Check triggered getter functions" );
 273         equals( changes.test, 1, "Check sets raise changeData" );
 274         equals( changes.value, 1, "Check changeData after data has been set" );
 275
 276         div
 277                 .bind("getData",function(e,key){ return key + "root"; })
 278                 .bind("getData.foo",function(e,key){ return key + "foo"; });
 279
 280         equals( div.data("test"), "testroot", "Check for original data" );
 281         equals( div.data("test.foo"), "testfoo", "Check for namespaced data" );
 282         equals( div.data("test.bar"), "testroot", "Check for unmatched namespace" );
 283
 284         // #3748
 285         var $elem = jQuery({exists:true});
 286         equals( $elem.data('nothing'), undefined, "Non-existent data returns undefined");
 287         equals( $elem.data('null',null).data('null'), null, "null's are preserved");
 288         equals( $elem.data('emptyString','').data('emptyString'), '', "Empty strings are preserved");
 289         equals( $elem.data('false',false).data('false'), false, "false's are preserved");
 290         equals( $elem.data('exists'), undefined, "Existing data is not returned" );
 291
 292         // Clean up
 293         $elem.removeData();
 294         deepEqual( $elem[0], {exists:true}, "removeData does not clear the object" );
 295
 296         // manually clean up detached elements
 297         parent.remove();
 298 });
 299
 300 test("data-* attributes", function() {
 301         expect(37);
 302         var div = jQuery("<div>"),
 303                 child = jQuery("<div data-myobj='old data' data-ignored=\"DOM\" data-other='test'></div>"),
 304                 dummy = jQuery("<div data-myobj='old data' data-ignored=\"DOM\" data-other='test'></div>");
 305
 306         equals( div.data("attr"), undefined, "Check for non-existing data-attr attribute" );
 307
 308         div.attr("data-attr", "exists");
 309         equals( div.data("attr"), "exists", "Check for existing data-attr attribute" );
 310
 311         div.attr("data-attr", "exists2");
 312         equals( div.data("attr"), "exists", "Check that updates to data- don't update .data()" );
 313
 314         div.data("attr", "internal").attr("data-attr", "external");
 315         equals( div.data("attr"), "internal", "Check for .data('attr') precedence (internal > external data-* attribute)" );
 316
 317         div.remove();
 318
 319         child.appendTo('#main');
 320         equals( child.data("myobj"), "old data", "Value accessed from data-* attribute");
 321
 322         child.data("myobj", "replaced");
 323         equals( child.data("myobj"), "replaced", "Original data overwritten");
 324
 325         child.data("ignored", "cache");
 326         equals( child.data("ignored"), "cache", "Cached data used before DOM data-* fallback");
 327
 328         var obj = child.data(), obj2 = dummy.data(), check = [ "myobj", "ignored", "other" ], num = 0, num2 = 0;
 329
 330         dummy.remove();
 331
 332         for ( var i = 0, l = check.length; i < l; i++ ) {
 333                 ok( obj[ check[i] ], "Make sure data- property exists when calling data-." );
 334                 ok( obj2[ check[i] ], "Make sure data- property exists when calling data-." );
 335         }
 336
 337         for ( var prop in obj ) {
 338                 num++;
 339         }
 340
 341         equals( num, check.length, "Make sure that the right number of properties came through." );
 342
 343         for ( var prop in obj2 ) {
 344                 num2++;
 345         }
 346
 347         equals( num2, check.length, "Make sure that the right number of properties came through." );
 348
 349         child.attr("data-other", "newvalue");
 350
 351         equals( child.data("other"), "test", "Make sure value was pulled in properly from a .data()." );
 352
 353         child
 354                 .attr("data-true", "true")
 355                 .attr("data-false", "false")
 356                 .attr("data-five", "5")
 357                 .attr("data-point", "5.5")
 358                 .attr("data-pointe", "5.5E3")
 359                 .attr("data-pointbad", "5..5")
 360                 .attr("data-pointbad2", "-.")
 361                 .attr("data-badjson", "{123}")
 362                 .attr("data-badjson2", "[abc]")
 363                 .attr("data-empty", "")
 364                 .attr("data-space", " ")
 365                 .attr("data-null", "null")
 366                 .attr("data-string", "test");
 367
 368         strictEqual( child.data('true'), true, "Primitive true read from attribute");
 369         strictEqual( child.data('false'), false, "Primitive false read from attribute");
 370         strictEqual( child.data('five'), 5, "Primitive number read from attribute");
 371         strictEqual( child.data('point'), 5.5, "Primitive number read from attribute");
 372         strictEqual( child.data('pointe'), 5500, "Primitive number read from attribute");
 373         strictEqual( child.data('pointbad'), "5..5", "Bad number read from attribute");
 374         strictEqual( child.data('pointbad2'), "-.", "Bad number read from attribute");
 375         strictEqual( child.data('badjson'), "{123}", "Bad number read from attribute");
 376         strictEqual( child.data('badjson2'), "[abc]", "Bad number read from attribute");
 377         strictEqual( child.data('empty'), "", "Empty string read from attribute");
 378         strictEqual( child.data('space'), " ", "Empty string read from attribute");
 379         strictEqual( child.data('null'), null, "Primitive null read from attribute");
 380         strictEqual( child.data('string'), "test", "Typical string read from attribute");
 381
 382         child.remove();
 383
 384         // tests from metadata plugin
 385         function testData(index, elem) {
 386                 switch (index) {
 387                 case 0:
 388                         equals(jQuery(elem).data("foo"), "bar", "Check foo property");
 389                         equals(jQuery(elem).data("bar"), "baz", "Check baz property");
 390                         break;
 391                 case 1:
 392                         equals(jQuery(elem).data("test"), "bar", "Check test property");
 393                         equals(jQuery(elem).data("bar"), "baz", "Check bar property");
 394                         break;
 395                 case 2:
 396                         equals(jQuery(elem).data("zoooo"), "bar", "Check zoooo property");
 397                         same(jQuery(elem).data("bar"), {"test":"baz"}, "Check bar property");
 398                         break;
 399                 case 3:
 400                         equals(jQuery(elem).data("number"), true, "Check number property");
 401                         same(jQuery(elem).data("stuff"), [2,8], "Check stuff property");
 402                         break;
 403                 default:
 404                         ok(false, ["Assertion failed on index ", index, ", with data ", data].join(''));
 405                 }
 406         }
 407
 408         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>',
 409                 elem = jQuery(metadata).appendTo('#main');
 410
 411         elem.find("li").each(testData);
 412         elem.remove();
 413 });
 414
 415 test(".data(Object)", function() {
 416         expect(4);
 417
 418         var div = jQuery("<div/>");
 419
 420         div.data({ "test": "in", "test2": "in2" });
 421         equals( div.data("test"), "in", "Verify setting an object in data" );
 422         equals( div.data("test2"), "in2", "Verify setting an object in data" );
 423
 424         var obj = {test:"unset"},
 425                 jqobj = jQuery(obj);
 426         jqobj.data("test", "unset");
 427         jqobj.data({ "test": "in", "test2": "in2" });
 428         equals( jQuery.data(obj).test, "in", "Verify setting an object on an object extends the data object" );
 429         equals( obj.test2, undefined, "Verify setting an object on an object does not extend the object" );
 430
 431         // manually clean up detached elements
 432         div.remove();
 433 });
 434
 435 test("jQuery.removeData", function() {
 436         expect(6);
 437         var div = jQuery("#foo")[0];
 438         jQuery.data(div, "test", "testing");
 439         jQuery.removeData(div, "test");
 440         equals( jQuery.data(div, "test"), undefined, "Check removal of data" );
 441
 442         jQuery.data(div, "test2", "testing");
 443         jQuery.removeData( div );
 444         ok( !jQuery.data(div, "test2"), "Make sure that the data property no longer exists." );
 445         ok( !div[ jQuery.expando ], "Make sure the expando no longer exists, as well." );
 446
 447         var obj = {};
 448         jQuery.data(obj, "test", "testing");
 449         equals( jQuery(obj).data("test"), "testing", "verify data on plain object");
 450         jQuery.removeData(obj, "test");
 451         equals( jQuery.data(obj, "test"), undefined, "Check removal of data on plain object" );
 452
 453         jQuery.data( window, "BAD", true );
 454         jQuery.removeData( window, "BAD" );
 455         ok( !jQuery.data( window, "BAD" ), "Make sure that the value was not still set." );
 456 });
 457
 458 test(".removeData()", function() {
 459         expect(6);
 460         var div = jQuery("#foo");
 461         div.data("test", "testing");
 462         div.removeData("test");
 463         equals( div.data("test"), undefined, "Check removal of data" );
 464
 465         div.data("test", "testing");
 466         div.data("test.foo", "testing2");
 467         div.removeData("test.bar");
 468         equals( div.data("test.foo"), "testing2", "Make sure data is intact" );
 469         equals( div.data("test"), "testing", "Make sure data is intact" );
 470
 471         div.removeData("test");
 472         equals( div.data("test.foo"), "testing2", "Make sure data is intact" );
 473         equals( div.data("test"), undefined, "Make sure data is intact" );
 474
 475         div.removeData("test.foo");
 476         equals( div.data("test.foo"), undefined, "Make sure data is intact" );
 477 });
 478
 479 if (window.JSON && window.JSON.stringify) {
 480         test("JSON serialization (#8108)", function () {
 481                 expect(1);
 482
 483                 var obj = { foo: "bar" };
 484                 jQuery.data(obj, "hidden", true);
 485
 486                 equals( JSON.stringify(obj), '{"foo":"bar"}', "Expando is hidden from JSON.stringify" );
 487         });
 488 }