diff options
Diffstat (limited to 'test/unit/data.js')
| -rw-r--r-- | test/unit/data.js | 242 |
1 files changed, 166 insertions, 76 deletions
diff --git a/test/unit/data.js b/test/unit/data.js index 310cd6bc4..889fc2da3 100644 --- a/test/unit/data.js +++ b/test/unit/data.js @@ -1,96 +1,177 @@ -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"); + + equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the data object destroys it" ); + } + else { + jQuery.removeData(elem, "foo"); + var expected, actual; - 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" ); + 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" ); } - testData(document.createElement('div')); - testData({}); + 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() { @@ -98,7 +179,6 @@ 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" ); @@ -107,7 +187,7 @@ test(".data()", function() { 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() { @@ -194,11 +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() { @@ -218,6 +301,8 @@ test("data-* attributes", function() { 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"); @@ -229,6 +314,8 @@ test("data-* attributes", function() { 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-." ); @@ -323,13 +410,17 @@ test(".data(Object)", 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"); @@ -342,10 +433,9 @@ test("jQuery.removeData", function() { 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" ); @@ -371,4 +461,4 @@ test(".removeData()", function() { div.removeData("test.foo"); equals( div.data("test.foo"), undefined, "Make sure data is intact" ); -}); +});
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