Better allOf handling in fromProperty

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -50,6 +50,7 @@
 import org.openapitools.codegen.api.TemplatingEngineAdapter;
 import org.openapitools.codegen.config.GlobalSettings;
 import org.openapitools.codegen.examples.ExampleGenerator;
+import org.openapitools.codegen.languages.PythonClientCodegen;
 import org.openapitools.codegen.languages.RustServerCodegen;
 import org.openapitools.codegen.meta.FeatureSet;
 import org.openapitools.codegen.meta.GeneratorMetadata;
@@ -3790,8 +3791,8 @@ public CodegenProperty fromProperty(String name, Schema p, boolean required, boo
         }
 
         Schema original = null;
-        // check if it's allOf (only 1 sub schema) with default/nullable/etc set in the top level
-        if (ModelUtils.isAllOf(p) && p.getAllOf().size() == 1 &&  ModelUtils.hasCommonAttributesDefined(p) ) {
+        // check if it's allOf (only 1 sub schema) with or without default/nullable/etc set in the top level
+        if (ModelUtils.isAllOf(p) && p.getAllOf().size() == 1 && !(this instanceof PythonClientCodegen)) {
             if (p.getAllOf().get(0) instanceof Schema) {
                 original = p;
                 p = (Schema) p.getAllOf().get(0);
@@ -3997,7 +3998,7 @@ public CodegenProperty fromProperty(String name, Schema p, boolean required, boo
         // restore original schema with default value, nullable, readonly etc
         if (original != null) {
             p = original;
-            // evaluate common attributes defined in the top level
+            // evaluate common attributes if defined in the top level
             if (p.getNullable() != null) {
                 property.isNullable = p.getNullable();
             } else if (p.getExtensions() != null && p.getExtensions().containsKey("x-nullable")) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractDartCodegen.java

@@ -555,8 +555,8 @@ public void postProcessModelProperty(CodegenModel model, CodegenProperty propert
     public CodegenProperty fromProperty(String name, Schema p, boolean required) {
         final CodegenProperty property = super.fromProperty(name, p, required);
 
-        // Handle composed properties
-        if (ModelUtils.isComposedSchema(p)) {
+        // Handle composed properties and it's NOT allOf with a single ref only
+        if (ModelUtils.isComposedSchema(p) && !(ModelUtils.isAllOf(p) && p.getAllOf().size() == 1)) {
             ComposedSchema composed = (ComposedSchema) p;
 
             // Count the occurrences of allOf/anyOf/oneOf with exactly one child element

modules/openapi-generator/src/test/java/org/openapitools/codegen/DefaultCodegenTest.java

@@ -4587,6 +4587,18 @@ public void testAllOfDefaultEnumType() {
         Assert.assertFalse(defaultEnumSchemaProperty.isContainer);
         Assert.assertFalse(defaultEnumSchemaProperty.isPrimitiveType);
         Assert.assertEquals(defaultEnumSchemaProperty.defaultValue, "2");
+
+        // test allOf with a single sub-schema and no default value set in the top level
+        CodegenProperty allOfEnumSchemaProperty = modelWithReferencedSchema.vars.get(5);
+        Assert.assertEquals(allOfEnumSchemaProperty.getName(), "allofMinusnumberMinusenum");
+        Assert.assertFalse(allOfEnumSchemaProperty.isEnum);
+        Assert.assertTrue(allOfEnumSchemaProperty.getIsEnumOrRef());
+        Assert.assertTrue(allOfEnumSchemaProperty.isEnumRef);
+        Assert.assertFalse(allOfEnumSchemaProperty.isInnerEnum);
+        Assert.assertFalse(allOfEnumSchemaProperty.isString);
+        Assert.assertFalse(allOfEnumSchemaProperty.isContainer);
+        Assert.assertFalse(allOfEnumSchemaProperty.isPrimitiveType);
+        Assert.assertEquals(allOfEnumSchemaProperty.defaultValue, "null");
     }
 
     @Test

modules/openapi-generator/src/test/resources/3_0/issue-5676-enums.yaml

@@ -215,4 +215,7 @@ components:
           default: 2
           allOf:
             - $ref: "#/components/schemas/NumberEnum"
+        allof-number-enum:
+          allOf:
+            - $ref: "#/components/schemas/NumberEnum"
 

samples/client/petstore/elixir/lib/openapi_petstore/model/all_of_with_single_ref.ex

@@ -14,13 +14,15 @@ defmodule OpenapiPetstore.Model.AllOfWithSingleRef do
 
   @type t :: %__MODULE__{
     :username => String.t | nil,
-    :SingleRefType => any() | nil
+    :SingleRefType => OpenapiPetstore.Model.SingleRefType.t | nil
   }
 end
 
 defimpl Poison.Decoder, for: OpenapiPetstore.Model.AllOfWithSingleRef do
-  def decode(value, _options) do
+  import OpenapiPetstore.Deserializer
+  def decode(value, options) do
     value
+    |> deserialize(:SingleRefType, :struct, OpenapiPetstore.Model.SingleRefType, options)
   end
 end
 

samples/client/petstore/java-helidon-client/mp/docs/AllOfWithSingleRef.md

@@ -8,7 +8,7 @@
 | Name | Type | Description | Notes |
 |------------ | ------------- | ------------- | -------------|
 |**username** | **String** |  |  [optional] |
-|**singleRefType** | [**SingleRefType**](SingleRefType.md) |  |  [optional] |
+|**singleRefType** | **SingleRefType** |  |  [optional] |
 
 
 

samples/client/petstore/java-helidon-client/se/docs/AllOfWithSingleRef.md

@@ -8,7 +8,7 @@
 | Name | Type | Description | Notes |
 |------------ | ------------- | ------------- | -------------|
 |**username** | **String** |  |  [optional] |
-|**singleRefType** | [**SingleRefType**](SingleRefType.md) |  |  [optional] |
+|**singleRefType** | **SingleRefType** |  |  [optional] |
 
 
 

samples/client/petstore/java/apache-httpclient/docs/AllOfWithSingleRef.md

@@ -8,7 +8,7 @@
 | Name | Type | Description | Notes |
 |------------ | ------------- | ------------- | -------------|
 |**username** | **String** |  |  [optional] |
-|**singleRefType** | [**SingleRefType**](SingleRefType.md) |  |  [optional] |
+|**singleRefType** | **SingleRefType** |  |  [optional] |
 
 
 

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AllOfWithSingleRef.java

@@ -180,7 +180,12 @@ public String toUrlQueryString(String prefix) {
 
     // add `SingleRefType` to the URL query string
     if (getSingleRefType() != null) {
-      joiner.add(getSingleRefType().toUrlQueryString(prefix + "SingleRefType" + suffix));
+      try {
+        joiner.add(String.format("%sSingleRefType%s=%s", prefix, suffix, URLEncoder.encode(String.valueOf(getSingleRefType()), "UTF-8").replaceAll("\\+", "%20")));
+      } catch (UnsupportedEncodingException e) {
+        // Should never happen, UTF-8 is always supported
+        throw new RuntimeException(e);
+      }
     }
 
     return joiner.toString();

samples/client/petstore/java/webclient-jakarta/docs/AllOfWithSingleRef.md

@@ -8,7 +8,7 @@
 | Name | Type | Description | Notes |
 |------------ | ------------- | ------------- | -------------|
 |**username** | **String** |  |  [optional] |
-|**singleRefType** | [**SingleRefType**](SingleRefType.md) |  |  [optional] |
+|**singleRefType** | **SingleRefType** |  |  [optional] |
 
 
 

samples/client/petstore/java/webclient/docs/AllOfWithSingleRef.md

@@ -8,7 +8,7 @@
 | Name | Type | Description | Notes |
 |------------ | ------------- | ------------- | -------------|
 |**username** | **String** |  |  [optional] |
-|**singleRefType** | [**SingleRefType**](SingleRefType.md) |  |  [optional] |
+|**singleRefType** | **SingleRefType** |  |  [optional] |
 
 
 

samples/client/petstore/php/OpenAPIClient-php/docs/Model/AllOfWithSingleRef.md

@@ -5,6 +5,6 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **username** | **string** |  | [optional]
-**single_ref_type** | [**SingleRefType**](SingleRefType.md) |  | [optional]
+**single_ref_type** | [**\OpenAPI\Client\Model\SingleRefType**](SingleRefType.md) |  | [optional]
 
 [[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)

samples/client/petstore/php/OpenAPIClient-php/lib/Model/AllOfWithSingleRef.php

@@ -58,7 +58,7 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
       */
     protected static $openAPITypes = [
         'username' => 'string',
-        'single_ref_type' => 'SingleRefType'
+        'single_ref_type' => '\OpenAPI\Client\Model\SingleRefType'
     ];
 
     /**
@@ -326,7 +326,7 @@ public function setUsername($username)
     /**
      * Gets single_ref_type
      *
-     * @return SingleRefType|null
+     * @return \OpenAPI\Client\Model\SingleRefType|null
      */
     public function getSingleRefType()
     {
@@ -336,7 +336,7 @@ public function getSingleRefType()
     /**
      * Sets single_ref_type
      *
-     * @param SingleRefType|null $single_ref_type single_ref_type
+     * @param \OpenAPI\Client\Model\SingleRefType|null $single_ref_type single_ref_type
      *
      * @return self
      */

samples/client/petstore/ruby-autoload/lib/petstore/models/all_of_with_single_ref.rb

@@ -19,6 +19,28 @@ class AllOfWithSingleRef
 
     attr_accessor :single_ref_type
 
+    class EnumAttributeValidator
+      attr_reader :datatype
+      attr_reader :allowable_values
+
+      def initialize(datatype, allowable_values)
+        @allowable_values = allowable_values.map do |value|
+          case datatype.to_s
+          when /Integer/i
+            value.to_i
+          when /Float/i
+            value.to_f
+          else
+            value
+          end
+        end
+      end
+
+      def valid?(value)
+        !value || allowable_values.include?(value)
+      end
+    end
+
     # Attribute mapping from ruby-style variable name to JSON key.
     def self.attribute_map
       {

samples/client/petstore/ruby-faraday/lib/petstore/models/all_of_with_single_ref.rb

@@ -19,6 +19,28 @@ class AllOfWithSingleRef
 
     attr_accessor :single_ref_type
 
+    class EnumAttributeValidator
+      attr_reader :datatype
+      attr_reader :allowable_values
+
+      def initialize(datatype, allowable_values)
+        @allowable_values = allowable_values.map do |value|
+          case datatype.to_s
+          when /Integer/i
+            value.to_i
+          when /Float/i
+            value.to_f
+          else
+            value
+          end
+        end
+      end
+
+      def valid?(value)
+        !value || allowable_values.include?(value)
+      end
+    end
+
     # Attribute mapping from ruby-style variable name to JSON key.
     def self.attribute_map
       {

samples/client/petstore/ruby/lib/petstore/models/all_of_with_single_ref.rb

@@ -19,6 +19,28 @@ class AllOfWithSingleRef
 
     attr_accessor :single_ref_type
 
+    class EnumAttributeValidator
+      attr_reader :datatype
+      attr_reader :allowable_values
+
+      def initialize(datatype, allowable_values)
+        @allowable_values = allowable_values.map do |value|
+          case datatype.to_s
+          when /Integer/i
+            value.to_i
+          when /Float/i
+            value.to_f
+          else
+            value
+          end
+        end
+      end
+
+      def valid?(value)
+        !value || allowable_values.include?(value)
+      end
+    end
+
     # Attribute mapping from ruby-style variable name to JSON key.
     def self.attribute_map
       {

samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake-json_serializable/lib/src/model/all_of_with_single_ref.dart

@@ -69,5 +69,3 @@ class AllOfWithSingleRef {
 
 }
 
-
-

samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake/lib/src/model/all_of_with_single_ref.dart

@@ -21,6 +21,7 @@ abstract class AllOfWithSingleRef implements Built<AllOfWithSingleRef, AllOfWith
 
   @BuiltValueField(wireName: r'SingleRefType')
   SingleRefType? get singleRefType;
+  // enum singleRefTypeEnum {  admin,  user,  };
 
   AllOfWithSingleRef._();
 

samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/all_of_with_single_ref.dart

@@ -25,6 +25,12 @@ class AllOfWithSingleRef {
   ///
   String? username;
 
+  ///
+  /// Please note: This property should have been non-nullable! Since the specification file
+  /// does not include a default value (using the "default:" property), however, the generated
+  /// source code must fall back to having a nullable type.
+  /// Consider adding a "default:" property in the specification file to hide this note.
+  ///
   SingleRefType? singleRefType;
 
   @override

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/all_of_with_single_ref.py

@@ -19,15 +19,16 @@
 import json
 
 
-from typing import Any, Optional
+from typing import Optional
 from pydantic import BaseModel, Field, StrictStr
+from petstore_api.models.single_ref_type import SingleRefType
 
 class AllOfWithSingleRef(BaseModel):
     """
     AllOfWithSingleRef
     """
     username: Optional[StrictStr] = None
-    single_ref_type: Optional[Any] = Field(None, alias="SingleRefType")
+    single_ref_type: Optional[SingleRefType] = Field(None, alias="SingleRefType")
     __properties = ["username", "SingleRefType"]
 
     class Config:
@@ -53,9 +54,6 @@ def to_dict(self):
                           exclude={
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of single_ref_type
-        if self.single_ref_type:
-            _dict['SingleRefType'] = self.single_ref_type.to_dict()
         return _dict
 
     @classmethod
@@ -69,7 +67,7 @@ def from_dict(cls, obj: dict) -> AllOfWithSingleRef:
 
         _obj = AllOfWithSingleRef.parse_obj({
             "username": obj.get("username"),
-            "single_ref_type": SingleRefType.from_dict(obj.get("SingleRefType")) if obj.get("SingleRefType") is not None else None
+            "single_ref_type": obj.get("SingleRefType")
         })
         return _obj
 

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/all_of_with_single_ref.py

@@ -19,15 +19,16 @@
 import json
 
 
-from typing import Any, Optional
+from typing import Optional
 from pydantic import BaseModel, Field, StrictStr
+from petstore_api.models.single_ref_type import SingleRefType
 
 class AllOfWithSingleRef(BaseModel):
     """
     AllOfWithSingleRef
     """
     username: Optional[StrictStr] = None
-    single_ref_type: Optional[Any] = Field(None, alias="SingleRefType")
+    single_ref_type: Optional[SingleRefType] = Field(None, alias="SingleRefType")
     additional_properties: Dict[str, Any] = {}
     __properties = ["username", "SingleRefType"]
 
@@ -55,9 +56,6 @@ def to_dict(self):
                             "additional_properties"
                           },
                           exclude_none=True)
-        # override the default output from pydantic by calling `to_dict()` of single_ref_type
-        if self.single_ref_type:
-            _dict['SingleRefType'] = self.single_ref_type.to_dict()
         # puts key-value pairs in additional_properties in the top level
         if self.additional_properties is not None:
             for _key, _value in self.additional_properties.items():
@@ -76,7 +74,7 @@ def from_dict(cls, obj: dict) -> AllOfWithSingleRef:
 
         _obj = AllOfWithSingleRef.parse_obj({
             "username": obj.get("username"),
-            "single_ref_type": SingleRefType.from_dict(obj.get("SingleRefType")) if obj.get("SingleRefType") is not None else None
+            "single_ref_type": obj.get("SingleRefType")
         })
         # store additional fields in additional_properties
         for _key in obj.keys():

samples/server/petstore/cpp-restbed/generated/3_0/model/AllOfWithSingleRef.cpp

@@ -20,6 +20,7 @@
 #include <sstream>
 #include <stdexcept>
 #include <regex>
+#include <algorithm>
 #include <boost/lexical_cast.hpp>
 #include <boost/property_tree/ptree.hpp>
 #include <boost/property_tree/json_parser.hpp>
@@ -63,17 +64,13 @@ ptree AllOfWithSingleRef::toPropertyTree() const
 	ptree pt;
 	ptree tmp_node;
 	pt.put("username", m_Username);
-	pt.add_child("SingleRefType", m_SingleRefType.toPropertyTree());
 	return pt;
 }
 
 void AllOfWithSingleRef::fromPropertyTree(ptree const &pt)
 {
 	ptree tmp_node;
 	m_Username = pt.get("username", "");
-	if (pt.get_child_optional("SingleRefType")) {
-        m_SingleRefType = fromPt<SingleRefType>(pt.get_child("SingleRefType"));
-	}
 }
 
 std::string AllOfWithSingleRef::getUsername() const