[Ruby] use hasConsumes, hasProduces in ruby client (#4310)

* use hasConsumes, hasProduces in ruby client

* add new ruby files

modules/swagger-codegen/src/main/resources/ruby/api.mustache

@@ -125,14 +125,14 @@ module {{moduleName}}
 
       # header parameters
       header_params = {}
-
+      {{#hasProduces}}
       # HTTP header 'Accept' (if needed)
-      local_header_accept = [{{#produces}}'{{{mediaType}}}'{{#hasMore}}, {{/hasMore}}{{/produces}}]
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept([{{#produces}}'{{{mediaType}}}'{{#hasMore}}, {{/hasMore}}{{/produces}}])
+      {{/hasProduces}}
+      {{#hasConsumes}}
       # HTTP header 'Content-Type'
-      local_header_content_type = [{{#consumes}}'{{{mediaType}}}'{{#hasMore}}, {{/hasMore}}{{/consumes}}]
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type([{{#consumes}}'{{{mediaType}}}'{{#hasMore}}, {{/hasMore}}{{/consumes}}])
+      {{/hasConsumes}}
       {{#headerParams}}
       {{#required}}
       header_params[:'{{{baseName}}}'] = {{#collectionFormat}}@api_client.build_collection_param({{{paramName}}}, :{{{collectionFormat}}}){{/collectionFormat}}{{^collectionFormat}}{{{paramName}}}{{/collectionFormat}}

samples/client/petstore/ruby/README.md

@@ -111,6 +111,7 @@ Class | Method | HTTP request | Description
  - [Petstore::ArrayTest](docs/ArrayTest.md)
  - [Petstore::Cat](docs/Cat.md)
  - [Petstore::Category](docs/Category.md)
+ - [Petstore::ClassModel](docs/ClassModel.md)
  - [Petstore::Client](docs/Client.md)
  - [Petstore::Dog](docs/Dog.md)
  - [Petstore::EnumArrays](docs/EnumArrays.md)
@@ -126,6 +127,7 @@ Class | Method | HTTP request | Description
  - [Petstore::Name](docs/Name.md)
  - [Petstore::NumberOnly](docs/NumberOnly.md)
  - [Petstore::Order](docs/Order.md)
+ - [Petstore::OuterEnum](docs/OuterEnum.md)
  - [Petstore::Pet](docs/Pet.md)
  - [Petstore::ReadOnlyFirst](docs/ReadOnlyFirst.md)
  - [Petstore::SpecialModelName](docs/SpecialModelName.md)

samples/client/petstore/ruby/docs/ClassModel.md

@@ -0,0 +1,8 @@
+# Petstore::ClassModel
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**_class** | **String** |  | [optional] 
+
+

samples/client/petstore/ruby/docs/EnumTest.md

@@ -6,5 +6,6 @@ Name | Type | Description | Notes
 **enum_string** | **String** |  | [optional] 
 **enum_integer** | **Integer** |  | [optional] 
 **enum_number** | **Float** |  | [optional] 
+**outer_enum** | [**OuterEnum**](OuterEnum.md) |  | [optional] 
 
 

samples/client/petstore/ruby/docs/OuterEnum.md

@@ -0,0 +1,7 @@
+# Petstore::OuterEnum
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+

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

@@ -25,6 +25,7 @@ require 'petstore/models/array_of_number_only'
 require 'petstore/models/array_test'
 require 'petstore/models/cat'
 require 'petstore/models/category'
+require 'petstore/models/class_model'
 require 'petstore/models/client'
 require 'petstore/models/dog'
 require 'petstore/models/enum_arrays'
@@ -40,6 +41,7 @@ require 'petstore/models/model_return'
 require 'petstore/models/name'
 require 'petstore/models/number_only'
 require 'petstore/models/order'
+require 'petstore/models/outer_enum'
 require 'petstore/models/pet'
 require 'petstore/models/read_only_first'
 require 'petstore/models/special_model_name'

samples/client/petstore/ruby/lib/petstore/api/fake_api.rb

@@ -48,14 +48,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['application/json']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['application/json'])
 
       # form parameters
       form_params = {}
@@ -189,14 +185,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml; charset=utf-8', 'application/json; charset=utf-8']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml; charset=utf-8', 'application/json; charset=utf-8'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['application/xml; charset=utf-8', 'application/json; charset=utf-8']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['application/xml; charset=utf-8', 'application/json; charset=utf-8'])
 
       # form parameters
       form_params = {}
@@ -292,14 +284,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['*/*']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['*/*'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['*/*']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['*/*'])
       header_params[:'enum_header_string_array'] = @api_client.build_collection_param(opts[:'enum_header_string_array'], :csv) if !opts[:'enum_header_string_array'].nil?
       header_params[:'enum_header_string'] = opts[:'enum_header_string'] if !opts[:'enum_header_string'].nil?
 

samples/client/petstore/ruby/lib/petstore/api/pet_api.rb

@@ -48,14 +48,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['application/json', 'application/xml']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['application/json', 'application/xml'])
 
       # form parameters
       form_params = {}
@@ -106,14 +102,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
       header_params[:'api_key'] = opts[:'api_key'] if !opts[:'api_key'].nil?
 
       # form parameters
@@ -164,14 +154,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -222,14 +206,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -279,14 +257,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -336,14 +308,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['application/json', 'application/xml']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['application/json', 'application/xml'])
 
       # form parameters
       form_params = {}
@@ -396,14 +364,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['application/x-www-form-urlencoded']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['application/x-www-form-urlencoded'])
 
       # form parameters
       form_params = {}
@@ -458,14 +422,10 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
       # HTTP header 'Content-Type'
-      local_header_content_type = ['multipart/form-data']
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Content-Type'] = @api_client.select_header_content_type(['multipart/form-data'])
 
       # form parameters
       form_params = {}

samples/client/petstore/ruby/lib/petstore/api/store_api.rb

@@ -52,14 +52,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -104,14 +98,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
 
       # form parameters
       form_params = {}
@@ -169,14 +157,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -226,14 +208,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}

samples/client/petstore/ruby/lib/petstore/api/user_api.rb

@@ -48,14 +48,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -104,14 +98,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -160,14 +148,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -216,14 +198,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -272,14 +248,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -335,14 +305,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -388,14 +352,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}
@@ -448,14 +406,8 @@ module Petstore
 
       # header parameters
       header_params = {}
-
       # HTTP header 'Accept' (if needed)
-      local_header_accept = ['application/xml', 'application/json']
-      local_header_accept_result = @api_client.select_header_accept(local_header_accept) and header_params['Accept'] = local_header_accept_result
-
-      # HTTP header 'Content-Type'
-      local_header_content_type = []
-      header_params['Content-Type'] = @api_client.select_header_content_type(local_header_content_type)
+      header_params['Accept'] = @api_client.select_header_accept(['application/xml', 'application/json'])
 
       # form parameters
       form_params = {}

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

@@ -0,0 +1,187 @@
+=begin
+#Swagger Petstore
+
+#This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+=end
+
+require 'date'
+
+module Petstore
+  # Model for testing model with \"_class\" property
+  class ClassModel
+    attr_accessor :_class
+
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'_class' => :'_class'
+      }
+    end
+
+    # Attribute type mapping.
+    def self.swagger_types
+      {
+        :'_class' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      return unless attributes.is_a?(Hash)
+
+      # convert string to symbol for hash key
+      attributes = attributes.each_with_object({}){|(k,v), h| h[k.to_sym] = v}
+
+      if attributes.has_key?(:'_class')
+        self._class = attributes[:'_class']
+      end
+
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properies with the reasons
+    def list_invalid_properties
+      invalid_properties = Array.new
+      return invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          _class == o._class
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Fixnum] Hash code
+    def hash
+      [_class].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      self.class.swagger_types.each_pair do |key, type|
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the the attribute
+          # is documented as an array but the input is not
+          if attributes[self.class.attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[self.class.attribute_map[key]].map{ |v| _deserialize($1, v) } )
+          end
+        elsif !attributes[self.class.attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[self.class.attribute_map[key]]))
+        end # or else data not found in attributes(hash), not an issue as the data can be optional
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :DateTime
+        DateTime.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :BOOLEAN
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else # model
+        temp_model = Petstore.const_get(type).new
+        temp_model.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        next if value.nil?
+        hash[param] = _to_hash(value)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value)
+      if value.is_a?(Array)
+        value.compact.map{ |v| _to_hash(v) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash
+      else
+        value
+      end
+    end
+
+  end
+
+end

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

@@ -20,6 +20,8 @@ module Petstore
 
     attr_accessor :enum_number
 
+    attr_accessor :outer_enum
+
     class EnumAttributeValidator
       attr_reader :datatype
       attr_reader :allowable_values
@@ -47,7 +49,8 @@ module Petstore
       {
         :'enum_string' => :'enum_string',
         :'enum_integer' => :'enum_integer',
-        :'enum_number' => :'enum_number'
+        :'enum_number' => :'enum_number',
+        :'outer_enum' => :'outerEnum'
       }
     end
 
@@ -56,7 +59,8 @@ module Petstore
       {
         :'enum_string' => :'String',
         :'enum_integer' => :'Integer',
-        :'enum_number' => :'Float'
+        :'enum_number' => :'Float',
+        :'outer_enum' => :'OuterEnum'
       }
     end
 
@@ -80,6 +84,10 @@ module Petstore
         self.enum_number = attributes[:'enum_number']
       end
 
+      if attributes.has_key?(:'outerEnum')
+        self.outer_enum = attributes[:'outerEnum']
+      end
+
     end
 
     # Show invalid properties with the reasons. Usually used together with valid?
@@ -138,7 +146,8 @@ module Petstore
       self.class == o.class &&
           enum_string == o.enum_string &&
           enum_integer == o.enum_integer &&
-          enum_number == o.enum_number
+          enum_number == o.enum_number &&
+          outer_enum == o.outer_enum
     end
 
     # @see the `==` method
@@ -150,7 +159,7 @@ module Petstore
     # Calculates hash code according to all attributes.
     # @return [Fixnum] Hash code
     def hash
-      [enum_string, enum_integer, enum_number].hash
+      [enum_string, enum_integer, enum_number, outer_enum].hash
     end
 
     # Builds the object from hash

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

@@ -0,0 +1,22 @@
+=begin
+#Swagger Petstore
+
+#This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+=end
+
+require 'date'
+
+module Petstore
+  class OuterEnum
+    
+    PLACED = "placed".freeze
+    APPROVED = "approved".freeze
+    DELIVERED = "delivered".freeze
+  end
+
+end

samples/client/petstore/ruby/spec/models/class_model_spec.rb

@@ -0,0 +1,41 @@
+=begin
+#Swagger Petstore
+
+#This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+=end
+
+require 'spec_helper'
+require 'json'
+require 'date'
+
+# Unit tests for Petstore::ClassModel
+# Automatically generated by swagger-codegen (github.com/swagger-api/swagger-codegen)
+# Please update as you see appropriate
+describe 'ClassModel' do
+  before do
+    # run before each test
+    @instance = Petstore::ClassModel.new
+  end
+
+  after do
+    # run after each test
+  end
+
+  describe 'test an instance of ClassModel' do
+    it 'should create an instact of ClassModel' do
+      expect(@instance).to be_instance_of(Petstore::ClassModel)
+    end
+  end
+  describe 'test attribute "_class"' do
+    it 'should work' do
+       # assertion here. ref: https://www.relishapp.com/rspec/rspec-expectations/docs/built-in-matchers
+    end
+  end
+
+end
+

samples/client/petstore/ruby/spec/models/outer_enum_spec.rb

@@ -0,0 +1,35 @@
+=begin
+#Swagger Petstore
+
+#This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+=end
+
+require 'spec_helper'
+require 'json'
+require 'date'
+
+# Unit tests for Petstore::OuterEnum
+# Automatically generated by swagger-codegen (github.com/swagger-api/swagger-codegen)
+# Please update as you see appropriate
+describe 'OuterEnum' do
+  before do
+    # run before each test
+    @instance = Petstore::OuterEnum.new
+  end
+
+  after do
+    # run after each test
+  end
+
+  describe 'test an instance of OuterEnum' do
+    it 'should create an instact of OuterEnum' do
+      expect(@instance).to be_instance_of(Petstore::OuterEnum)
+    end
+  end
+end
+