public void WriteExpandedSingleton()
        {
            this.TestInit(this.GetModel());

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetCustomers(), this.GetCustomerType());
            writer.WriteStart(deltaFeed);
            writer.WriteStart(customerEntry);
            writer.WriteStart(productBeingViewedNavigationLink);
            writer.WriteStart(productEntry);
            writer.WriteStart(detailsNavigationLink);
            writer.WriteStart(detailsFeed);
            writer.WriteStart(productDetailEntry);
            writer.WriteEnd(); // productDetailEntry
            writer.WriteEnd(); // detailsFeed
            writer.WriteEnd(); // detailsNavigationLink
            writer.WriteEnd(); // productEntry
            writer.WriteEnd(); // productBeingViewedNavigationLink
            writer.WriteEnd(); // customerEntry
            writer.WriteEnd(); // deltaFeed
            writer.Flush();

            this.TestPayload().Should().Be(
                "{" +
                    "\"@odata.context\":\"http://host/service/$metadata#Customers/$delta\"," +
                    "\"value\":" +
                    "[" +
                        "{" +
                            "\"@odata.id\":\"http://host/service/Customers('BOTTM')\"," +
                            "\"ContactName\":\"Susan Halvenstern\"," +
                            "\"ProductBeingViewed\":" +
                            "{" +
                                "\"@odata.id\":\"http://host/service/Product(1)\"," +
                                "\"Id\":1," +
                                "\"Name\":\"Car\"," +
                                "\"Details\":" +
                                "[" +
                                    "{" +
                                        "\"@odata.type\":\"#MyNS.ProductDetail\"," +
                                        "\"Id\":1," +
                                        "\"Detail\":\"made in china\"" +
                                    "}" +
                                "]" +
                            "}" +
                        "}" +
                    "]" +
                "}");
        }
        public void WriteExample30FromV4SpecWithModel()
        {
            this.TestInit(this.GetModel());

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetCustomers(), this.GetCustomerType());
            writer.WriteStart(feedWithoutInfo);
            writer.WriteStart(customerUpdated);
            writer.WriteEnd();
            writer.WriteDeltaDeletedLink(linkToOrder10643);
            writer.WriteDeltaLink(linkToOrder10645);
            writer.WriteStart(order10643);
            writer.WriteEnd();
            writer.WriteDeltaDeletedEntry(customerDeleted);
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Customers/$delta\",\"@odata.count\":5,\"@odata.deltaLink\":\"Customers?$expand=Orders&$deltatoken=8015\",\"value\":[{\"@odata.id\":\"Customers('BOTTM')\",\"ContactName\":\"Susan Halvenstern\"},{\"@odata.context\":\"http://host/service/$metadata#Customers/$deletedLink\",\"source\":\"Customers('ALFKI')\",\"relationship\":\"Orders\",\"target\":\"Orders('10643')\"},{\"@odata.context\":\"http://host/service/$metadata#Customers/$link\",\"source\":\"Customers('BOTTM')\",\"relationship\":\"Orders\",\"target\":\"Orders('10645')\"},{\"@odata.context\":\"http://host/service/$metadata#Orders/$entity\",\"@odata.id\":\"Orders(10643)\",\"ShippingAddress\":{\"Street\":\"23 Tsawassen Blvd.\",\"City\":\"Tsawassen\",\"Region\":\"BC\",\"PostalCode\":\"T2F 8M4\"}},{\"@odata.context\":\"http://host/service/$metadata#Customers/$deletedEntity\",\"id\":\"Customers('ANTON')\",\"reason\":\"deleted\"}]}");
        }
        public void WriteExpandedFeedWithSerializationInfoMinimalMetadata()
        {
            this.TestInit();

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, null, null);
            writer.WriteStart(deltaFeedWithInfo);
            writer.WriteStart(customerEntryWithInfo);
            writer.WriteStart(ordersNavigationLink);
            writer.WriteStart(ordersFeed);
            writer.WriteStart(orderEntryWithInfo);
            writer.WriteEnd(); // orderEntryWithInfo
            writer.WriteEnd(); // ordersFeed
            writer.WriteEnd(); // ordersNavigationLink
            writer.WriteEnd(); // customerEntry
            writer.WriteEnd(); // deltaFeedWithInfo
            writer.Flush();

            this.TestPayload().Should().Be(
                "{" +
                    "\"@odata.context\":\"http://host/service/$metadata#Customers/$delta\"," +
                    "\"value\":" +
                    "[" +
                        "{" +
                            "\"@odata.id\":\"http://host/service/Customers('BOTTM')\"," +
                            "\"ContactName\":\"Susan Halvenstern\"," +
                            "\"Orders\":" +
                            "[" +
                                "{" +
                                    "\"@odata.id\":\"http://host/service/Orders(10643)\"," +
                                    "\"Id\":10643," +
                                    "\"ShippingAddress\":" +
                                    "{" +
                                        "\"Street\":\"23 Tsawassen Blvd.\"," +
                                        "\"City\":\"Tsawassen\"," +
                                        "\"Region\":\"BC\"," +
                                        "\"PostalCode\":\"T2F 8M4\"" +
                                    "}" +
                                "}" +
                            "]" +
                        "}" +
                    "]" +
                "}");
        }
        public void WriteMultipleExpandedFeeds()
        {
            this.TestInit(this.GetModel());

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetCustomers(), this.GetCustomerType());
            writer.WriteStart(deltaFeed);
            writer.WriteStart(customerEntry);
            writer.WriteStart(ordersNavigationLink);
            writer.WriteStart(ordersFeed);
            writer.WriteStart(orderEntry);
            writer.WriteEnd(); // orderEntry
            writer.WriteEnd(); // ordersFeed
            writer.WriteEnd(); // ordersNavigationLink
            writer.WriteStart(favouriteProductsNavigationLink);
            writer.WriteStart(favouriteProductsFeed);
            writer.WriteStart(productEntry);
            writer.WriteEnd(); // productEntry
            writer.WriteEnd(); // favouriteProductsFeed
            writer.WriteEnd(); // favouriteProductsNavigationLink
            writer.WriteEnd(); // customerEntry
            writer.WriteEnd(); // deltaFeed
            writer.Flush();

            this.TestPayload().Should().Be(
                "{" +
                    "\"@odata.context\":\"http://host/service/$metadata#Customers/$delta\"," +
                    "\"value\":" +
                    "[" +
                        "{" +
                            "\"@odata.id\":\"http://host/service/Customers('BOTTM')\"," +
                            "\"ContactName\":\"Susan Halvenstern\"," +
                            "\"Orders\":" +
                            "[" +
                                "{" +
                                    "\"@odata.id\":\"http://host/service/Orders(10643)\"," +
                                    "\"Id\":10643," +
                                    "\"ShippingAddress\":" +
                                    "{" +
                                        "\"Street\":\"23 Tsawassen Blvd.\"," +
                                        "\"City\":\"Tsawassen\"," +
                                        "\"Region\":\"BC\"," +
                                        "\"PostalCode\":\"T2F 8M4\"" +
                                    "}" +
                                "}" +
                            "]," +
                            "\"FavouriteProducts\":" +
                            "[" +
                                "{" +
                                    "\"@odata.id\":\"http://host/service/Product(1)\"," +
                                    "\"Id\":1," +
                                    "\"Name\":\"Car\"" +
                                "}" +
                            "]" +
                        "}" +
                    "]" +
                "}");
        }
        public void WriteDerivedEntityWithSerilizationInfo()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();
            ODataEntry derivedEntity = new ODataEntry()
            {
                TypeName = "MyNS.PhysicalProduct",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Name", Value = new ODataPrimitiveValue("car")},
                    new ODataProperty {Name = "Material", Value = new ODataPrimitiveValue("gold")},
                },

                SerializationInfo = new ODataFeedAndEntrySerializationInfo()
                {
                    ExpectedTypeName = "MyNS.Product",
                    NavigationSourceEntityTypeName = "MyNS.Product",
                    NavigationSourceName = "Products",
                }
            };

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetCustomers(), this.GetCustomerType());
            writer.WriteStart(feed);
            writer.WriteStart(derivedEntity);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Customers/$delta\",\"value\":[{\"@odata.context\":\"http://host/service/$metadata#Products/$entity\",\"@odata.type\":\"#MyNS.PhysicalProduct\",\"Id\":1,\"Name\":\"car\",\"Material\":\"gold\"}]}");
        }
 private void WriteExpandedFeedWithModelImplementation()
 {
     ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetCustomers(), this.GetCustomerType());
     writer.WriteStart(deltaFeed);
     writer.WriteStart(customerEntry);
     writer.WriteStart(ordersNavigationLink);
     writer.WriteStart(ordersFeed);
     writer.WriteStart(orderEntry);
     writer.WriteEnd(); // orderEntry
     writer.WriteEnd(); // ordersFeed
     writer.WriteEnd(); // ordersNavigationLink
     writer.WriteEnd(); // customerEntry
     writer.WriteEnd(); // deltaFeed
     writer.Flush();
 }
        public void WriteEntityInDeltaFeedWithSelectExpand()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();

            ODataEntry orderEntry= new ODataEntry()
            {
                Properties = new List<ODataProperty>
                {
                    new ODataProperty
                    {
                        Name = "ShippingAddress",
                        Value = new ODataComplexValue
                        {
                            Properties = new List<ODataProperty>
                            {
                                new ODataProperty { Name = "City", Value = "Shanghai" },
                            }
                        }
                    }
                },
                SerializationInfo = new ODataFeedAndEntrySerializationInfo
                {
                    NavigationSourceEntityTypeName = "Order",
                    NavigationSourceKind = EdmNavigationSourceKind.EntitySet,
                    NavigationSourceName = "Orders"
                },
            };


           var result = new ODataQueryOptionParser(this.GetModel(), this.GetCustomerType(), this.GetCustomers(), new Dictionary<string, string> { { "$expand", "Orders($select=ShippingAddress)" }, { "$select", "ContactName" } }).ParseSelectAndExpand();

            ODataUri odataUri = new ODataUri()
            {
                ServiceRoot = new Uri("http://host/service"),
                SelectAndExpand = result
            };

            var outputContext = CreateJsonLightOutputContext(this.stream, this.GetModel(), false, odataUri);
            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetProducts(), this.GetProductType());
            writer.WriteStart(feed);
            writer.WriteStart(orderEntry);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Products(ContactName,Orders,Orders(ShippingAddress))/$delta\",\"value\":[{\"@odata.context\":\"http://host/service/$metadata#Orders/$entity\",\"ShippingAddress\":{\"City\":\"Shanghai\"}}]}");
        }
        public void WriteContainedEntityInDeltaFeedWithSelectExpand()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();

            ODataEntry entry = new ODataEntry()
            {
                TypeName = "MyNS.Product",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Name", Value = new ODataPrimitiveValue("Car")},
                },
            };

            ODataEntry containedEntry = new ODataEntry()
            {
                TypeName = "MyNS.ProductDetail",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Detail", Value = new ODataPrimitiveValue("made in china")},
                },
            };

            containedEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo()
            {
                NavigationSourceEntityTypeName = "MyNS.ProductDetail",
                NavigationSourceName = "Products(1)/Details",
                NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet
            });


            var result = new ODataQueryOptionParser(this.GetModel(), this.GetProductType(), this.GetProducts(), new Dictionary<string, string> { { "$expand", "Details($select=Detail)" }, { "$select", "Name" } }).ParseSelectAndExpand();

            ODataUri odataUri = new ODataUri()
            {
                ServiceRoot = new Uri("http://host/service"),
                SelectAndExpand = result
            };

            var outputContext = CreateJsonLightOutputContext(this.stream, this.GetModel(), false, odataUri);
            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetProducts(), this.GetProductType());
            writer.WriteStart(feed);
            writer.WriteStart(containedEntry);
            writer.WriteEnd();
            writer.WriteStart(entry);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Products(Name,Details,Details(Detail))/$delta\",\"value\":[{\"@odata.context\":\"http://host/service/$metadata#Products(1)/Details/$entity\",\"Id\":1,\"Detail\":\"made in china\"},{\"Id\":1,\"Name\":\"Car\"}]}");
        }
        public void WriteContainedEntityInDeltaFeed()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();
            ODataEntry containedEntry = new ODataEntry()
            {
                TypeName = "MyNS.ProductDetail",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Detail", Value = new ODataPrimitiveValue("made in china")},
                },
            };

            containedEntry.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo()
            {
                NavigationSourceEntityTypeName = "MyNS.ProductDetail",
                NavigationSourceName = "Products(1)/Details",
                NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet
            });

            ODataEntry containedInContainedEntity = new ODataEntry()
            {
                TypeName = "MyNS.ProductDetailItem",
                Properties = new[]
                {
                    new ODataProperty {Name = "ItemId", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Description", Value = new ODataPrimitiveValue("made by HCC")},
                },
            };

            containedInContainedEntity.SetSerializationInfo(new ODataFeedAndEntrySerializationInfo()
            {
                NavigationSourceEntityTypeName = "MyNS.ProductDetailItem",
                NavigationSourceName = "Products(1)/Details(1)/Items",
                NavigationSourceKind = EdmNavigationSourceKind.ContainedEntitySet
            });

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetProducts(), this.GetProductType());
            writer.WriteStart(feed);
            writer.WriteStart(containedEntry);
            writer.WriteEnd();
            writer.WriteStart(containedInContainedEntity);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Products/$delta\",\"value\":[{\"@odata.context\":\"http://host/service/$metadata#Products(1)/Details/$entity\",\"Id\":1,\"Detail\":\"made in china\"},{\"@odata.context\":\"http://host/service/$metadata#Products(1)/Details(1)/Items/$entity\",\"ItemId\":1,\"Description\":\"made by HCC\"}]}"); 
        }
        public void WriteEmptyDeltaFeed()
        {
            this.TestInit();

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, null, null);
            writer.WriteStart(feed);
            writer.WriteEnd();
            writer.Flush();

            this.TestPayload().Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Customers/$delta\",\"@odata.count\":5,\"@odata.deltaLink\":\"Customers?$expand=Orders&$deltatoken=8015\",\"value\":[]}");
        }
        public void WriteDerivedEntity()
        {
            this.TestInit(this.GetModel());

            ODataDeltaFeed feed = new ODataDeltaFeed();
            ODataEntry derivedEntity = new ODataEntry()
            {
                TypeName = "MyNS.PhysicalProduct",
                Properties = new[]
                {
                    new ODataProperty {Name = "Id", Value = new ODataPrimitiveValue(1)}, 
                    new ODataProperty {Name = "Name", Value = new ODataPrimitiveValue("car")},
                    new ODataProperty {Name = "Material", Value = new ODataPrimitiveValue("gold")},
                },
            };

            ODataJsonLightDeltaWriter writer = new ODataJsonLightDeltaWriter(outputContext, this.GetProducts(), this.GetProductType());
            writer.WriteStart(feed);
            writer.WriteStart(derivedEntity);
            writer.WriteEnd();
            writer.WriteEnd();
            writer.Flush();

            string payload = this.TestFinish();
            payload.Should().Be("{\"@odata.context\":\"http://host/service/$metadata#Products/$delta\",\"value\":[{\"@odata.type\":\"#MyNS.PhysicalProduct\",\"Id\":1,\"Name\":\"car\",\"Material\":\"gold\"}]}");
        }