Add support for Edm.Untyped

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

@@ -72,6 +72,9 @@ public static OpenApiSchema CreateEdmTypeSchema(this ODataContext context, IEdmT
                 case EdmTypeKind.EntityReference:
                     return context.CreateTypeDefinitionSchema(edmTypeReference.AsTypeDefinition());
 
+                case EdmTypeKind.Untyped:
+                    return new OpenApiSchema();
+
                 case EdmTypeKind.None:
                 default:
                     throw Error.NotSupported(String.Format(SRResource.NotSupportedEdmTypeKind, edmTypeReference.TypeKind()));

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

@@ -84,7 +84,7 @@
             // properties
             foreach (var property in structuredType.DeclaredProperties.OrderBy(p => p.Name))
             {
                 // IOpenApiAny item;
                 IEdmTypeReference propertyType = property.Type;
 
                 IOpenApiAny item = GetTypeNameForExample(propertyType);
@@ -180,6 +180,8 @@
                     return GetTypeNameForExample(new EdmPrimitiveTypeReference(typedef.UnderlyingType, edmTypeReference.IsNullable));
 
                 case EdmTypeKind.Untyped:
+                    return new OpenApiObject();
+
                 case EdmTypeKind.EntityReference:
                 default:
                     throw new OpenApiException("Not support for the type kind " + edmTypeReference.TypeKind());

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

@@ -631,7 +631,7 @@
             // properties
             foreach (var property in structuredType.Properties())
             {
                // IOpenApiAny item;
                 IEdmTypeReference propertyType = property.Type;
 
                 IOpenApiAny item = GetTypeNameForExample(context, propertyType);
@@ -700,6 +700,8 @@
                     return array;
 
                 case EdmTypeKind.Untyped:
+                    return new OpenApiObject();
+
                 case EdmTypeKind.TypeDefinition:
                 case EdmTypeKind.EntityReference:
                 default:

src/Microsoft.OpenApi.OData.Reader/Microsoft.OpenAPI.OData.Reader.csproj

@@ -15,13 +15,13 @@
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <PackageId>Microsoft.OpenApi.OData</PackageId>
     <SignAssembly>true</SignAssembly>
-    <Version>1.6.3</Version>
+    <Version>1.6.4</Version>
     <Description>This package contains the codes you need to convert OData CSDL to Open API Document of Model.</Description>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>Microsoft OpenApi OData EDM</PackageTags>
     <RepositoryUrl>https://github.com/Microsoft/OpenAPI.NET.OData</RepositoryUrl>
     <PackageReleaseNotes>
-		- Add delete operations to media entities #522
+		- Add support for Edm.Untyped #511
 	</PackageReleaseNotes>
     <AssemblyName>Microsoft.OpenApi.OData.Reader</AssemblyName>
     <AssemblyOriginatorKeyFile>..\..\tool\Microsoft.OpenApi.OData.snk</AssemblyOriginatorKeyFile>

test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiSchemaGeneratorTests.cs

@@ -56,8 +56,8 @@ public void CreatesCollectionResponseSchema(bool enablePagination, bool enableCo
             var schemas = context.CreateSchemas();
 
             var stringCollectionResponse = schemas["StringCollectionResponse"];
-            var flightCollectionResponse = schemas["Microsoft.OData.Service.Sample.TrippinInMemory.Models.FlightCollectionResponse"];                      
-            
+            var flightCollectionResponse = schemas["Microsoft.OData.Service.Sample.TrippinInMemory.Models.FlightCollectionResponse"];
+
             if (enablePagination || enableCount)
             {
                 Assert.Collection(stringCollectionResponse.AllOf,
@@ -79,7 +79,7 @@ public void CreatesCollectionResponseSchema(bool enablePagination, bool enableCo
                 Assert.Equal("array", stringCollectionResponse.Properties["value"].Type);
                 Assert.Equal("array", flightCollectionResponse.Properties["value"].Type);
                 Assert.Equal("Microsoft.OData.Service.Sample.TrippinInMemory.Models.Flight", flightCollectionResponse.Properties["value"].Items.Reference.Id);
-            }            
+            }
         }
 
         [Fact]
@@ -903,7 +903,7 @@ public void CreatePropertySchemaForNullableEnumPropertyReturnSchema(OpenApiSpecV
             Assert.NotNull(schema);
             string json = schema.SerializeAsJson(specVersion);
             _output.WriteLine(json);
-            
+
             // Assert
             if (specVersion == OpenApiSpecVersion.OpenApi2_0)
             {
@@ -956,7 +956,7 @@ public void CreatePropertySchemaWithComputedAnnotationReturnsCorrectSchema(OpenA
   ""pattern"": ""^-?P([0-9]+D)?(T([0-9]+H)?([0-9]+M)?([0-9]+([.][0-9]+)?S)?)?$"",
   ""type"": ""string"",
   ""readOnly"": true
-}".ChangeLineBreaks(), json);    
+}".ChangeLineBreaks(), json);
             }
             else
             {
@@ -1117,5 +1117,31 @@ public void NonNullableDoublePropertyWithDefaultStringWorks()
   ""default"": ""3.1415926535897931""
 }".ChangeLineBreaks(), json);
         }
+
+
+        [Fact]
+        public void NonNullableUntypedPropertyWorks()
+        {
+            ODataContext context = new ODataContext(
+                EdmModelHelper.BasicEdmModel,
+                new OpenApiConvertSettings 
+                { 
+                    ShowSchemaExamples = true
+                });
+            EdmEntityType entitType = new EdmEntityType("NS", "Entity");
+            IEdmStructuralProperty property = new EdmStructuralProperty(
+                entitType, "UntypedProperty", EdmCoreModel.Instance.GetUntyped());
+
+            // Act
+            var schema = context.CreatePropertySchema(property);
+
+            // Assert
+            Assert.NotNull(schema);
+            Assert.Null(schema.Type);
+
+            string json = schema.SerializeAsJson(OpenApiSpecVersion.OpenApi3_0);
+
+            Assert.Equal("{ }", json);
+        }
     }
 }

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OData.xml

@@ -207,6 +207,8 @@
 				<Property Name="Budget" Type="Edm.Single" Nullable="false" />
 				<Property Name="Description" Type="Edm.String" />
 				<Property Name="Tags" Type="Collection(Edm.String)" />
+				<Property Name="TripData" Type="Edm.Untyped" />
+				<Property Name="DestinationInfo" Type="Collection(Edm.Untyped)" />
 				<Property Name="StartsAt" Type="Edm.DateTimeOffset" Nullable="false" />
 				<Property Name="EndsAt" Type="Edm.DateTimeOffset" Nullable="false" />
 				<NavigationProperty Name="PlanItems" Type="Collection(Microsoft.OData.Service.Sample.TrippinInMemory.Models.PlanItem)" >

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

@@ -30590,6 +30590,11 @@
             "type": "string"
           }
         },
+        "TripData": { },
+        "DestinationInfo": {
+          "type": "array",
+          "items": { }
+        },
         "StartsAt": {
           "format": "date-time",
           "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",

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

@@ -20754,6 +20754,10 @@ definitions:
         type: array
         items:
           type: string
+      TripData: { }
+      DestinationInfo:
+        type: array
+        items: { }
       StartsAt:
         format: date-time
         pattern: '^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$'

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

@@ -34196,6 +34196,11 @@
               "nullable": true
             }
           },
+          "TripData": { },
+          "DestinationInfo": {
+            "type": "array",
+            "items": { }
+          },
           "StartsAt": {
             "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
             "type": "string",
@@ -35296,6 +35301,9 @@
         "value": {
           "Budget": 0,
           "Description": "String",
+          "DestinationInfo": [
+            { }
+          ],
           "EndsAt": "0001-01-01T00:00:00.0000000+00:00",
           "Name": "String",
           "PlanItems": [
@@ -35308,6 +35316,7 @@
           "Tags": [
             "String"
           ],
+          "TripData": { },
           "TripId": 0
         }
       },

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

@@ -23041,6 +23041,10 @@ components:
           items:
             type: string
             nullable: true
+        TripData: { }
+        DestinationInfo:
+          type: array
+          items: { }
         StartsAt:
           pattern: '^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$'
           type: string
@@ -23737,6 +23741,8 @@ components:
       value:
         Budget: 0
         Description: String
+        DestinationInfo:
+          - { }
         EndsAt: '0001-01-01T00:00:00.0000000+00:00'
         Name: String
         PlanItems:
@@ -23745,6 +23751,7 @@ components:
         StartsAt: '0001-01-01T00:00:00.0000000+00:00'
         Tags:
           - String
+        TripData: { }
         TripId: 0
     Microsoft.OData.Service.Sample.TrippinInMemory.Models.PlanItem:
       value: