Final fixes

Author: Andrew Omondi

src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiSchemaGenerator.cs

@@ -324,7 +324,7 @@ public static OpenApiSchema CreateEnumTypeSchema(this ODataContext context, IEdm
                 var enumFlagsExtension = new OpenApiEnumFlagsExtension
                 {
                     IsFlags = true,
-                    Style = "form"
+                    Style = "simple"
                 };
                 schema.Extensions.Add(enumFlagsExtension.Name, enumFlagsExtension);
             }

test/Microsoft.OpenAPI.OData.Reader.Tests/OpenApiExtensions/OpenApiEnumFlagsExtensionTests.cs

@@ -3,7 +3,6 @@
 //  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
 // ------------------------------------------------------------
 
-using System;
 using System.IO;
 using Microsoft.OpenApi.Writers;
 using Xunit;
@@ -72,7 +71,7 @@ public void WritesAllValues()
         // Arrange
         OpenApiEnumFlagsExtension extension = new() {
             IsFlags = true,
-            Style = "form"
+            Style = "simple"
         };
         using TextWriter sWriter = new StringWriter();
         OpenApiJsonWriter writer = new(sWriter);
@@ -85,6 +84,6 @@ public void WritesAllValues()
         Assert.True(extension.IsFlags);
         Assert.NotNull(extension.Style);
         Assert.Contains("\"isFlags\": true", result);
-        Assert.Contains("\"style\": \"form\"", result);
+        Assert.Contains("\"style\": \"simple\"", result);
     }
 }

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.json

@@ -27925,7 +27925,7 @@
       "type": "string",
       "x-ms-enum-flags": {
         "isFlags": true,
-        "style": "form"
+        "style": "simple"
       }
     },
     "Edm.Geography": {

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.yaml

@@ -19627,7 +19627,7 @@ definitions:
     type: string
     x-ms-enum-flags:
       isFlags: true
-      style: form
+      style: simple
   Edm.Geography:
     $ref: '#/definitions/Edm.Geometry'
   Edm.GeographyPoint:

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.json

@@ -31297,7 +31297,7 @@
         "type": "string",
         "x-ms-enum-flags": {
           "isFlags": true,
-          "style": "form"
+          "style": "simple"
         }
       },
       "Edm.Geography": {

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.yaml

@@ -21807,7 +21807,7 @@ components:
       type: string
       x-ms-enum-flags:
         isFlags: true
-        style: form
+        style: simple
     Edm.Geography:
       $ref: '#/components/schemas/Edm.Geometry'
     Edm.GeographyPoint: