keyvaluestore.js

这是一个ajax的例子大家好好的看看就是一个鱼眼的效果

		   	return d;
		},

		function testReadAPI_getAttributes_onlyTwo(t){
			//	summary: 
			//		Simple test of the getAttributes function of the store
			//	description:
			//		Simple test of the getAttributes function of the store

			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/movies.csv");
			var keyStore = new dojox.data.KeyValueStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				// Test an item that does not have all of the attributes
				t.assertTrue(item !== null);
				t.assertTrue(keyStore.isItem(item));

				var attributes = keyStore.getAttributes(item);
				t.assertTrue(attributes.length === 3);
				t.assertTrue(attributes[0] === "key");
				t.assertTrue(attributes[1] === "value");
				t.assertTrue(attributes[2] === "nmonth");
				d.callback(true);	
			}
			keyStore.fetchItemByIdentity({identity: "nmonth", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
		   	return d;
		},

		function testReadAPI_getFeatures(t){
			//	summary: 
			//		Simple test of the getFeatures function of the store
			//	description:
			//		Simple test of the getFeatures function of the store

			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/movies.csv");
			var keyStore = new dojox.data.KeyValueStore(args);

			var features = keyStore.getFeatures(); 
			var count = 0;
			for(i in features){
				t.assertTrue((i === "dojo.data.api.Read" || i === "dojo.data.api.Identity"));
				count++;
			}
			t.assertTrue(count === 2);
		},
		function testReadAPI_fetch_patternMatch0(t){
			//	summary: 
			//		Function to test pattern matching of everything starting with lowercase e
			//	description:
			//		Function to test pattern matching of everything starting with lowercase e

			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/movies.csv");
			var keyStore = new dojox.data.KeyValueStore(args);

			var d = new doh.Deferred();
			function completed(items, request){
				t.is(2, items.length);
				var valueArray = [ "nmonth", "month"];
				t.assertTrue(dojox.data.tests.stores.KeyValueStore.verifyItems(keyStore, items, "key", valueArray));
				d.callback(true);
			}
			
			keyStore.fetch({query: {key: "*month"}, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_patternMatch1(t){
			//	summary: 
			//		Function to test pattern matching of everything with $ in it.
			//	description:
			//		Function to test pattern matching of everything with $ in it.
			
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				t.assertTrue(items.length === 2);
				var valueArray = [ "1", "Saturday"];
				t.assertTrue(dojox.data.tests.stores.KeyValueStore.verifyItems(keyStore, items, "value", valueArray));
				d.callback(true);
			}
			
			keyStore.fetch({query: {key: "*day"}, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_patternMatch2(t){
			//	summary: 
			//		Function to test exact pattern match
			//	description:
			//		Function to test exact pattern match
			
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				t.is(2, items.length);
				t.assertTrue(keyStore.getValue(items[0], "value") === "12");
				t.assertTrue(keyStore.getValue(items[0], "key") === "nmonth");
				t.assertTrue(keyStore.getValue(items[1], "value") === "1");
				t.assertTrue(keyStore.getValue(items[1], "key") === "nday");
				d.callback(true);
			}
			
			keyStore.fetch({query: {value: "1*"}, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_patternMatch_caseInsensitive(t){
			//	summary: 
			//		Function to test exact pattern match with case insensitivity set.
			//	description:
			//		Function to test exact pattern match with case insensitivity set.
			
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				t.is(1, items.length);
				t.assertTrue(keyStore.getValue(items[0], "value") === "December");
				d.callback(true);
			}
			
			keyStore.fetch({query: {key: "MONth"}, queryOptions: {ignoreCase: true}, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_patternMatch_caseSensitive(t){
			//	summary: 
			//		Function to test exact pattern match with case insensitivity set.
			//	description:
			//		Function to test exact pattern match with case insensitivity set.
			
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				t.is(0, items.length);
				d.callback(true);
			}
			
			keyStore.fetch({query: {value: "DECEMberO"}, queryOptions: {ignoreCase: false}, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_sortAlphabetic(t){
			//	summary: 
			//		Function to test sorting alphabetic ordering.
			//	description:
			//		Function to test sorting alphabetic ordering.
		
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				//Output should be in this order...
				var orderedArray = [ "day", "dayOfYear", "month", "nday", "nmonth", "weekOfYear", "year" ];
				t.is(7, items.length);
				t.assertTrue(dojox.data.tests.stores.KeyValueStore.verifyItems(keyStore, items, "key", orderedArray));
				d.callback(true);
			}
			
			var sortAttributes = [{attribute: "key"}];
			keyStore.fetch({sort: sortAttributes, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_sortAlphabeticDescending(t){
			//	summary: 
			//		Function to test sorting alphabetic ordering in descending mode.
			//	description:
			//		Function to test sorting alphabetic ordering in descending mode.
		
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				//Output should be in this order...
				var orderedArray = [ "year", "weekOfYear", "nmonth", "nday", "month", "dayOfYear", "day" ];
				t.is(7, items.length);
				t.assertTrue(dojox.data.tests.stores.KeyValueStore.verifyItems(keyStore, items, "key", orderedArray));
				d.callback(true);
			}
			
			var sortAttributes = [{attribute: "key", descending: true}];
			keyStore.fetch({sort: sortAttributes, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_sortMultiple(t){
			//	summary: 
			//		Function to test sorting on multiple attributes.
			//	description:
			//		Function to test sorting on multiple attributes.
			
			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/patterns.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
		
			var d = new doh.Deferred();
			function completed(items, request){
				var orderedArray1 = [	"123abc",
										"123abc",
										"123abc",
										"123abcdefg",
										"BaBaMaSaRa***Foo",
										"bar*foo",
										"bit$Bite",
										"foo*bar",
										"jfq4@#!$!@Rf14r14i5u",
										undefined
									];
				var orderedArray0 = [ "day", "dayOfYear", "month", "nday", "nmonth", "weekOfYear", "year" ];
				var orderedArray1 = [ "Saturday", "335", "December", "1", "12", "48", "2007" ];
				t.is(7, items.length);
				t.assertTrue(dojox.data.tests.stores.KeyValueStore.verifyItems(keyStore, items, "key", orderedArray0));
				t.assertTrue(dojox.data.tests.stores.KeyValueStore.verifyItems(keyStore, items, "value", orderedArray1));
				d.callback(true);
			}
			
			var sortAttributes = [{ attribute: "key"}, { attribute: "value", descending: true}];
			keyStore.fetch({sort: sortAttributes, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_fetch_sortMultipleSpecialComparator(t){
			//	summary: 
			//		Function to test sorting on multiple attributes with a custom comparator.
			//	description:
			//		Function to test sorting on multiple attributes with a custom comparator.

			var args = dojox.data.tests.stores.KeyValueStore.getDatasource("stores/movies.csv");
			var keyStore = new dojox.data.KeyValueStore(args);
			
			keyStore.comparatorMap = {};
			keyStore.comparatorMap["key"] = function(a,b){ 
				var ret = 0;
				// We want to sort keys alphabetical by the last character in the string
				function lastChar(name){
					if(typeof name === "undefined"){ return undefined; }
					
					return name.slice(name.length-1); // Grab the last character in the string.
				}
				var lastCharA = lastChar(a);
				var lastCharB = lastChar(b);
				if(lastCharA > lastCharB || typeof lastCharA === "undefined"){
					ret = 1;
				}else if(lastCharA < lastCharB || typeof lastCharB === "undefined"){
					ret = -1;
				}
				return ret;
			};
		
			var sortAttributes = [{attribute: "key", descending: true}, { attribute: "value", descending: true}];
		
			var d = new doh.Deferred();
			function completed(items, findResult){
				var orderedArray = [5,4,0,3,2,1,6];
				var orderedArray = [ "day", "nday", "weekOfYear", "dayOfYear", "year", "month", "nmonth" ];
				t.assertTrue(items.length === 7);
				var passed = true;
				for(var i = 0; i < items.length; i++){
					if(!(keyStore.getIdentity(items[i]) === orderedArray[i])){
						passed=false;
						break;
					}
				}
				t.assertTrue(passed);
				d.callback(true);
			}
			
			keyStore.fetch({sort: sortAttributes, onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.KeyValueStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_functionConformance(t){
			//	summary: 
			//		Simple test read API conformance.  Checks to see all declared functions are actual functions on the instances.
			//	description:
			//		Simple test read API conformance.  Checks to see all declared functions are actual functions on the instances.

			var testStore = new dojox.data.KeyValueStore(dojox.data.tests.stores.KeyValueStore.getDatasource("stores/movies.csv"));
			var readApi = new dojo.data.api.Read();
			var passed = true;

			for(i in readApi){
				if(i.toString().charAt(0) !== '_')
				{
					var member = readApi[i];
					//Check that all the 'Read' defined functions exist on the test store.
					if(typeof member === "function"){
						console.log("Looking at function: [" + i + "]");
						var testStoreMember = testStore[i];
						if(!(typeof testStoreMember === "function")){
							console.log("Problem with function: [" + i + "].   Got value: " + testStoreMember);
							passed = false;
							break;
						}
					}
				}
			}
			t.assertTrue(passed);
		},
		function testIdentityAPI_functionConformance(t){
			//	summary: 
			//		Simple test identity API conformance.  Checks to see all declared functions are actual functions on the instances.
			//	description:
			//		Simple test identity API conformance.  Checks to see all declared functions are actual functions on the instances.

			var testStore = new dojox.data.KeyValueStore(dojox.data.tests.stores.KeyValueStore.getDatasource("stores/movies.csv"));
			var identityApi = new dojo.data.api.Identity();
			var passed = true;

			for(i in identityApi){
				if(i.toString().charAt(0) !== '_')
				{
					var member = identityApi[i];
					//Check that all the 'Read' defined functions exist on the test store.
					if(typeof member === "function"){
						console.log("Looking at function: [" + i + "]");
						var testStoreMember = testStore[i];
						if(!(typeof testStoreMember === "function")){
							passed = false;
							break;
						}
					}
				}
			}
			t.assertTrue(passed);
		}
	]
);


}