X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=test%2Funit%2Fdata.js;h=889fc2da30cc4d1f5b4830847540515bac0e6d7e;hb=6c18a1becb59f1b2e64a4920967dc5cecdb296f6;hp=8a7a87b9d72bfdafb4e3f70895b84849b9686006;hpb=9faab0b74fd316c2161612236d9ea8a01f3c78f8;p=jquery.git diff --git a/test/unit/data.js b/test/unit/data.js index 8a7a87b..889fc2d 100644 --- a/test/unit/data.js +++ b/test/unit/data.js @@ -1,76 +1,204 @@ -module("data"); +module("data", { teardown: moduleTeardown }); test("expando", function(){ - expect(7); - + expect(1); + 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" ); - equals( typeof obj[jQuery.expando], "function", "jQuery.data adds an expando to the object as a function" ); - - 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, false, "jQuery.data did not add an entry to jQuery.cache" ); - - equals( id.foo, "bar", "jQuery.data worked correctly" ); }); +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(12); + expect(128); + var div = document.createElement("div"); - ok( 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" ); - - ok( jQuery.data(div, "notexist") === undefined, "Check for no data exists" ); - - 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." ); + dataTests(div); + dataTests({}); - var obj = {}; - jQuery.data( obj, "prop", true ); + // 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( obj[ jQuery.expando ], "Data is being stored on the object." ); - ok( obj[ jQuery.expando ]().prop, "Data is being stored on the object." ); + 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" ); - equals( jQuery.data( obj, "prop" ), true, "Make sure the right value is retrieved." ); + 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(1); + expect(5); 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" ) + same( div.data(), {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" }; + deepEqual( jQuery(obj).data(), {}, "Retrieve data object from a wrapped JS object (#7524)" ); }) test(".data(String) and .data(String, Object)", function() { - expect(27); - var div = jQuery("
"); + expect(29); + var parent = jQuery("