opmlstore.js

ajax框架原吗,dojo目前很流行的,希望大家多多学习啊

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);
			
			var d = new doh.Deferred();
			function dumpFirstFetch(items, request){
				t.is(5, items.length);
				request.start = 3;
				request.count = 1;
				request.onComplete = dumpSecondFetch;
				opmlStore.fetch(request);
			}

			function dumpSecondFetch(items, request){
				t.is(1, items.length);
				request.start = 0;
				request.count = 5;
				request.onComplete = dumpThirdFetch;
				opmlStore.fetch(request);
			}

			function dumpThirdFetch(items, request){
				t.is(5, items.length);
				request.start = 2;
				request.count = 20;
				request.onComplete = dumpFourthFetch;
				opmlStore.fetch(request);
			}

			function dumpFourthFetch(items, request){
				t.is(4, items.length);
				request.start = 9;
				request.count = 100;
				request.onComplete = dumpFifthFetch;
				opmlStore.fetch(request);
			}

			function dumpFifthFetch(items, request){
				t.is(0, items.length);
				request.start = 2;
				request.count = 20;
				request.onComplete = dumpSixthFetch;
				opmlStore.fetch(request);
			}

			function dumpSixthFetch(items, request){
				t.is(4, items.length);
			    d.callback(true);
			}

			function completed(items, request){
				t.is(6, items.length);
				request.start = 1;
				request.count = 5;
				request.onComplete = dumpFirstFetch;
				opmlStore.fetch(request);
			}

			opmlStore.fetch({onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)});
			return d; //Object

		},
		function testReadAPI_getLabel(t){
			//	summary: 
			//		Simple test of the getLabel function against a store set that has a label defined.
			//	description:
			//		Simple test of the getLabel function against a store set that has a label defined.

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);
			
			var d = new doh.Deferred();
			function onComplete(items, request){
				t.assertEqual(items.length, 1);
				var label = opmlStore.getLabel(items[0]);
				t.assertTrue(label !== null);
				t.assertEqual("Asia", label);
				d.callback(true);
			}
			opmlStore.fetch({ 	query: {text: "Asia"}, 
						   		onComplete: onComplete, 
						   		onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)
						   	});
			return d;
		},
		function testReadAPI_getLabelAttributes(t){
			//	summary: 
			//		Simple test of the getLabelAttributes function against a store set that has a label defined.
			//	description:
			//		Simple test of the getLabelAttributes function against a store set that has a label defined.

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);
			
			var d = new doh.Deferred();
			function onComplete(items, request){
				t.assertEqual(items.length, 1);
				var labelList = opmlStore.getLabelAttributes(items[0]);
				t.assertTrue(dojo.isArray(labelList));
				t.assertEqual("text", labelList[0]);
				d.callback(true);
			}
			opmlStore.fetch({ 	query: {text: "Asia"}, 
							   	onComplete: onComplete, 
							   	onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)
							});
			return d;
		},

		function testReadAPI_getLabel_nondefault(t){
			//	summary: 
			//		Simple test of the getLabel function against a store set that has a label defined.
			//	description:
			//		Simple test of the getLabel function against a store set that has a label defined.

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography_withspeciallabel.xml");
			args.label="label";
			var opmlStore = new dojox.data.OpmlStore(args);
			
			var d = new doh.Deferred();
			function onComplete(items, request){
				t.assertEqual(items.length, 1);
				var label = opmlStore.getLabel(items[0]);
				t.assertTrue(label !== null);
				t.assertEqual("Continent/Asia", label);
				d.callback(true);
			}
			opmlStore.fetch({ 	query: {text: "Asia"}, 
						   		onComplete: onComplete, 
						   		onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)
						   	});
			return d;
		},
		function testReadAPI_getLabelAttributes_nondefault(t){
			//	summary: 
			//		Simple test of the getLabelAttributes function against a store set that has a label defined.
			//	description:
			//		Simple test of the getLabelAttributes function against a store set that has a label defined.

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography_withspeciallabel.xml");
			args.label="label";
			var opmlStore = new dojox.data.OpmlStore(args);
			
			var d = new doh.Deferred();
			function onComplete(items, request){
				t.assertEqual(items.length, 1);
				var labelList = opmlStore.getLabelAttributes(items[0]);
				t.assertTrue(dojo.isArray(labelList));
				t.assertEqual("label", labelList[0]);
				d.callback(true);
			}
			opmlStore.fetch({ 	query: {text: "Asia"}, 
							   	onComplete: onComplete, 
							   	onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)
							});
			return d;
		},

		function testReadAPI_getValue(t){
			//	summary: 
			//		Simple test of the getValue function of the store.
			//	description:
			//		Simple test of the getValue function of the store.

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);
			
			var d = new doh.Deferred();
			function completedAll(items){
				t.is(6, items.length);
				
				t.is("Africa", 		opmlStore.getValue(items[0],"text"));
				t.is("Asia", 		opmlStore.getValue(items[1],"text"));
				t.is("Australia", 	opmlStore.getValue(items[2],"text"));
				t.is("Europe", 		opmlStore.getValue(items[3],"text"));
				t.is("North America", 	opmlStore.getValue(items[4],"text"));
				t.is("South America",	opmlStore.getValue(items[5],"text"));
	
				t.is("continent", 	opmlStore.getValue(items[1],"type"));
				t.is("21 million", 	opmlStore.getValue(items[2],"population"));
				
				var firstChild = opmlStore.getValue(items[4],"children");
				t.assertTrue(opmlStore.isItem(firstChild));
				t.is("Mexico", 		opmlStore.getValue(firstChild,"text"));
				t.is("country", 	opmlStore.getValue(firstChild,"type"));
				t.is("108 million", 	opmlStore.getValue(firstChild,"population"));
				t.is("1,972,550 sq km", opmlStore.getValue(firstChild,"area"));
				
				firstChild = opmlStore.getValue(firstChild,"children");
				t.assertTrue(opmlStore.isItem(firstChild));
				t.is("Mexico City", 	opmlStore.getValue(firstChild,"text"));
				t.is("city", 		opmlStore.getValue(firstChild,"type"));
				t.is("19 million", 	opmlStore.getValue(firstChild,"population"));
				t.is("-6 UTC", 		opmlStore.getValue(firstChild,"timezone"));
				
				d.callback(true);
			}

			//Get everything...
			opmlStore.fetch({ onComplete: completedAll, onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)});
			return d; //Object
		},	
		function testReadAPI_getValues(t){
			//	summary: 
			//		Simple test of the getValues function of the store.
			//	description:
			//		Simple test of the getValues function of the store.

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);

			var d = new doh.Deferred();
			function completed(items){
				t.is(1, items.length);
				
				var children = opmlStore.getValues(items[0],"children");
				t.is(3, children.length);
				for(var i=0; i<children.length; i++){
					t.assertTrue(opmlStore.isItem(children[i]));
				}
				
				t.is("Mexico", 		opmlStore.getValues(children[0],"text")[0]);
				t.is("country", 	opmlStore.getValues(children[0],"type")[0]);
				t.is("108 million", 	opmlStore.getValues(children[0],"population")[0]);
				t.is("1,972,550 sq km", opmlStore.getValues(children[0],"area")[0]);
				
				t.is("Canada", 		opmlStore.getValues(children[1],"text")[0]);
				t.is("country", 	opmlStore.getValues(children[1],"type")[0]);
				
				children = opmlStore.getValues(children[1],"children");
				t.is(2, children.length);
				for(var i=0; i<children.length; i++){
					t.assertTrue(opmlStore.isItem(children[i]));
				}
				t.is("Ottawa", 	opmlStore.getValues(children[0],"text")[0]);
				t.is("Toronto", opmlStore.getValues(children[1],"text")[0]);
								
				d.callback(true);
			}

			//Get one item...
			opmlStore.fetch({	query: {text: "North America"},
								onComplete: completed, 
								onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_isItem(t){
			//	summary: 
			//		Simple test of the isItem function of the store
			//	description:
			//		Simple test of the isItem function of the store

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);

			var d = new doh.Deferred();
			function completedAll(items){
				t.is(6, items.length);
				for(var i=0; i<6; i++){
					t.assertTrue(opmlStore.isItem(items[i]));
				}
				t.assertTrue(!opmlStore.isItem({}));
				t.assertTrue(!opmlStore.isItem({ item: "not an item" }));
				t.assertTrue(!opmlStore.isItem("not an item"));
				t.assertTrue(!opmlStore.isItem(["not an item"]));
				
				d.callback(true);
			}

			//Get everything...
			opmlStore.fetch({ onComplete: completedAll, onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)});
			return d; //Object
		},
		function testReadAPI_hasAttribute(t){
			//	summary: 
			//		Simple test of the hasAttribute function of the store
			//	description:
			//		Simple test of the hasAttribute function of the store

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);

			var d = new doh.Deferred();
			function onComplete(items){
				t.is(1, items.length);
				t.assertTrue(items[0] !== null);
				t.assertTrue(opmlStore.hasAttribute(items[0], "text"));
				t.assertTrue(opmlStore.hasAttribute(items[0], "type"));
				t.assertTrue(!opmlStore.hasAttribute(items[0], "population"));
				t.assertTrue(!opmlStore.hasAttribute(items[0], "Nothing"));
				t.assertTrue(!opmlStore.hasAttribute(items[0], "Text"));
				
				//Test that null attributes throw an exception
				var passed = false;
				try{
					opmlStore.hasAttribute(items[0], null);
				}catch (e){
					passed = true;
				}
				t.assertTrue(passed);
				
				d.callback(true);
			}

			//Get one item...
			opmlStore.fetch({ 	query: {text: "Asia"}, 
								onComplete: onComplete, 
								onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)
							});
			return d; //Object
		},
		function testReadAPI_containsValue(t){
			//	summary: 
			//		Simple test of the containsValue function of the store
			//	description:
			//		Simple test of the containsValue function of the store

			var args = dojox.data.tests.stores.OpmlStore.getDatasource("stores/geography.xml");
			var opmlStore = new dojox.data.OpmlStore(args);
 			
			var d = new doh.Deferred();
			function onComplete(items){
				t.is(1, items.length);
				t.assertTrue(items[0] !== null);
				t.assertTrue(opmlStore.containsValue(items[0], "text", "North America"));
				t.assertTrue(opmlStore.containsValue(items[0], "type", "continent"));
				t.assertTrue(!opmlStore.containsValue(items[0], "text", "America"));
				t.assertTrue(!opmlStore.containsValue(items[0], "Type", "continent"));
				t.assertTrue(!opmlStore.containsValue(items[0], "text", null));
								
				var children = opmlStore.getValues(items[0], "children");
				t.assertTrue(opmlStore.containsValue(items[0], "children", children[0]));
				t.assertTrue(opmlStore.containsValue(items[0], "children", children[1]));
				t.assertTrue(opmlStore.containsValue(items[0], "children", children[2]));
	
				//Test that null attributes throw an exception
				var passed = false;
				try{
					opmlStore.containsValue(items[0], null, "foo");
				}catch (e){
					passed = true;
				}
				t.assertTrue(passed);
				
				d.callback(true);
			}

			//Get one item...
			opmlStore.fetch({ 	query: {text: "North America"}, 
								onComplete: onComplete, 
								onError: dojo.partial(dojox.data.tests.stores.OpmlStore.error, t, d)
							});
			return d; //Object
		},
		function testReadAPI_getAttributes(t){
			//	summary: 
			//		Simple test of the getAttributes function of the store
			//	description:
			//		Simple test of the getAttributes function of the store