X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=test%2Funit%2Fdata.js;h=889fc2da30cc4d1f5b4830847540515bac0e6d7e;hb=7c9a5e6016c2fcd38872367a891e5b3887d3df53;hp=315043ca17c35bd53d95084562cf1b96fd139796;hpb=008e971943b0ce55333a65caea7f64eb82b985ac;p=jquery.git diff --git a/test/unit/data.js b/test/unit/data.js index 315043c..889fc2d 100644 --- a/test/unit/data.js +++ b/test/unit/data.js @@ -1,22 +1,159 @@ -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) + + 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); - obj = {}; - jQuery.data(obj, 'test'); - equals( jQuery.expando in obj, false, "jQuery.data(obj,key) did not add an expando to the object" ); + 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" ); - 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." ); + 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() { @@ -37,59 +174,20 @@ test("jQuery.acceptData", function() { ok( !jQuery.acceptData( applet ), "applet" ); }); -test("jQuery.data", function() { - expect(15); - 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, "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" ); - - var obj = {}; - jQuery.data( obj, "prop", true ); - - ok( obj.prop, "Data is being stored on the object" ); - equals( jQuery.data( obj, "prop" ), true, "Make sure the right value is retrieved" ); - - 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." ); -}); - test(".data()", function() { - expect(4); + 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" ); 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() { @@ -176,11 +274,14 @@ 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() { @@ -188,7 +289,7 @@ test("data-* attributes", function() { var div = jQuery("