Add Scenarios test cases

test/Microsoft.AspNetCore.OData.TestCommon/StringContentWithLength.cs

@@ -0,0 +1,42 @@
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// Licensed under the MIT License.  See License.txt in the project root for license information.
+
+using System.Net.Http;
+using System.Text;
+
+namespace Microsoft.AspNetCore.OData.TestCommon
+{
+    public class StringContentWithLength : StringContent
+    {
+        public StringContentWithLength(string content)
+            : base(content)
+        {
+            EnsureContentLength();
+        }
+
+        public StringContentWithLength(string content, Encoding encoding)
+            : base(content, encoding)
+        {
+            EnsureContentLength();
+        }
+
+        public StringContentWithLength(string content, Encoding encoding, string mediaType)
+            : base(content, encoding, mediaType)
+        {
+            EnsureContentLength();
+        }
+
+        public StringContentWithLength(string content, string unvalidatedContentType)
+            : base(content)
+        {
+            Headers.TryAddWithoutValidation("Content-Type", unvalidatedContentType);
+            EnsureContentLength();
+        }
+
+        private void EnsureContentLength()
+        {
+            // See: https://github.com/dotnet/aspnetcore/issues/18463
+            _ = Headers.ContentLength;
+        }
+    }
+}

test/Microsoft.AspNetCore.OData.TestCommon/TestServerUtils.cs

@@ -64,21 +64,6 @@ public static TestServer Create(Action<ODataOptions> setupConfig, params Type[]
             return new TestServer(builder);
         }
 
-        /// <summary>
-        /// Creates the Test server using the service config and application builder action.
-        /// </summary>
-        /// <param name="configureServices">The service config.</param>
-        /// <param name="configureApp">The application builder.</param>
-        /// <returns>The created test server.</returns>
-        public static TestServer Create(Action<IServiceCollection> configureServices, Action<IApplicationBuilder> configureApp)
-        {
-            var builder = new WebHostBuilder()
-                .ConfigureServices(configureServices)
-                .Configure(configureApp);
-
-            return new TestServer(builder);
-        }
-
         /// <summary>
         /// Creates the Test server using the startup class.
         /// </summary>

test/Microsoft.AspNetCore.OData.Tests/Models/SimpleOpenCustomer.cs

@@ -3,17 +3,25 @@
 
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using Microsoft.OData.ModelBuilder;
 
 namespace Microsoft.AspNetCore.OData.Tests.Models
 {
     public class SimpleOpenCustomer
     {
         [Key]
         public int CustomerId { get; set; }
+
         public string Name { get; set; }
+
         public SimpleOpenAddress Address { get; set; }
+
         public string Website { get; set; }
+
         public List<SimpleOpenOrder> Orders { get; set; }
+
         public IDictionary<string, object> CustomerProperties { get; set; }
+
+        public ODataInstanceAnnotationContainer InstanceAnnotations { get; set; }
     }
 }