diff --git a/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Animal.pm b/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Animal.pm
new file mode 100644
index 000000000000..c2e124ad8b45
--- /dev/null
+++ b/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Animal.pm
@@ -0,0 +1,127 @@
+package WWW::SwaggerClient::Object::Animal;
+
+require 5.6.0;
+use strict;
+use warnings;
+use utf8;
+use JSON qw(decode_json);
+use Data::Dumper;
+use Module::Runtime qw(use_module);
+use Log::Any qw($log);
+use Date::Parse;
+use DateTime;
+
+use base ("Class::Accessor", "Class::Data::Inheritable");
+
+
+#
+#
+#
+#NOTE: This class is auto generated by the swagger code generator program. Do not edit the class manually.
+#
+
+__PACKAGE__->mk_classdata('attribute_map' => {});
+__PACKAGE__->mk_classdata('swagger_types' => {});
+__PACKAGE__->mk_classdata('method_documentation' => {}); 
+__PACKAGE__->mk_classdata('class_documentation' => {});
+
+# new object
+sub new { 
+    my ($class, %args) = @_; 
+
+	my $self = bless {}, $class;
+	
+	foreach my $attribute (keys %{$class->attribute_map}) {
+		my $args_key = $class->attribute_map->{$attribute};
+		$self->$attribute( $args{ $args_key } );
+	}
+	
+	return $self;
+}  
+
+# return perl hash
+sub to_hash {
+    return decode_json(JSON->new->convert_blessed->encode( shift ));
+}
+
+# used by JSON for serialization
+sub TO_JSON { 
+    my $self = shift;
+    my $_data = {};
+    foreach my $_key (keys %{$self->attribute_map}) {
+        if (defined $self->{$_key}) {
+            $_data->{$self->attribute_map->{$_key}} = $self->{$_key};
+        }
+    }
+    return $_data;
+}
+
+# from Perl hashref
+sub from_hash {
+    my ($self, $hash) = @_;
+
+    # loop through attributes and use swagger_types to deserialize the data
+    while ( my ($_key, $_type) = each %{$self->swagger_types} ) {
+    	my $_json_attribute = $self->attribute_map->{$_key}; 
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
+            my @_array = ();
+            foreach my $_element (@{$hash->{$_json_attribute}}) {
+                push @_array, $self->_deserialize($_subclass, $_element);
+            }
+            $self->{$_key} = \@_array;
+        } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
+            $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
+        } else {
+        	$log->debugf("Warning: %s (%s) does not exist in input hash\n", $_key, $_json_attribute);
+        }
+    }
+  
+    return $self;
+}
+
+# deserialize non-array data
+sub _deserialize {
+    my ($self, $type, $data) = @_;
+    $log->debugf("deserializing %s with %s",Dumper($data), $type);
+        
+    if ($type eq 'DateTime') {
+        return DateTime->from_epoch(epoch => str2time($data));
+    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+        return $data;
+    } else { # hash(model)
+        my $_instance = eval "WWW::SwaggerClient::Object::$type->new()";
+        return $_instance->from_hash($data);
+    }
+}
+
+
+
+__PACKAGE__->class_documentation({description => '',
+                                  class => 'Animal',
+                                  required => [], # TODO
+}                                 );
+
+__PACKAGE__->method_documentation({
+    'class_name' => {
+    	datatype => 'string',
+    	base_name => 'className',
+    	description => '',
+    	format => '',
+    	read_only => '',
+    		},
+    
+});
+
+__PACKAGE__->swagger_types( {
+    'class_name' => 'string'
+} );
+
+__PACKAGE__->attribute_map( {
+    'class_name' => 'className'
+} );
+
+__PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
+
+
+1;
diff --git a/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Cat.pm b/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Cat.pm
new file mode 100644
index 000000000000..05500d61ad08
--- /dev/null
+++ b/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Cat.pm
@@ -0,0 +1,136 @@
+package WWW::SwaggerClient::Object::Cat;
+
+require 5.6.0;
+use strict;
+use warnings;
+use utf8;
+use JSON qw(decode_json);
+use Data::Dumper;
+use Module::Runtime qw(use_module);
+use Log::Any qw($log);
+use Date::Parse;
+use DateTime;
+
+use base ("Class::Accessor", "Class::Data::Inheritable");
+
+
+#
+#
+#
+#NOTE: This class is auto generated by the swagger code generator program. Do not edit the class manually.
+#
+
+__PACKAGE__->mk_classdata('attribute_map' => {});
+__PACKAGE__->mk_classdata('swagger_types' => {});
+__PACKAGE__->mk_classdata('method_documentation' => {}); 
+__PACKAGE__->mk_classdata('class_documentation' => {});
+
+# new object
+sub new { 
+    my ($class, %args) = @_; 
+
+	my $self = bless {}, $class;
+	
+	foreach my $attribute (keys %{$class->attribute_map}) {
+		my $args_key = $class->attribute_map->{$attribute};
+		$self->$attribute( $args{ $args_key } );
+	}
+	
+	return $self;
+}  
+
+# return perl hash
+sub to_hash {
+    return decode_json(JSON->new->convert_blessed->encode( shift ));
+}
+
+# used by JSON for serialization
+sub TO_JSON { 
+    my $self = shift;
+    my $_data = {};
+    foreach my $_key (keys %{$self->attribute_map}) {
+        if (defined $self->{$_key}) {
+            $_data->{$self->attribute_map->{$_key}} = $self->{$_key};
+        }
+    }
+    return $_data;
+}
+
+# from Perl hashref
+sub from_hash {
+    my ($self, $hash) = @_;
+
+    # loop through attributes and use swagger_types to deserialize the data
+    while ( my ($_key, $_type) = each %{$self->swagger_types} ) {
+    	my $_json_attribute = $self->attribute_map->{$_key}; 
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
+            my @_array = ();
+            foreach my $_element (@{$hash->{$_json_attribute}}) {
+                push @_array, $self->_deserialize($_subclass, $_element);
+            }
+            $self->{$_key} = \@_array;
+        } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
+            $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
+        } else {
+        	$log->debugf("Warning: %s (%s) does not exist in input hash\n", $_key, $_json_attribute);
+        }
+    }
+  
+    return $self;
+}
+
+# deserialize non-array data
+sub _deserialize {
+    my ($self, $type, $data) = @_;
+    $log->debugf("deserializing %s with %s",Dumper($data), $type);
+        
+    if ($type eq 'DateTime') {
+        return DateTime->from_epoch(epoch => str2time($data));
+    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+        return $data;
+    } else { # hash(model)
+        my $_instance = eval "WWW::SwaggerClient::Object::$type->new()";
+        return $_instance->from_hash($data);
+    }
+}
+
+
+
+__PACKAGE__->class_documentation({description => '',
+                                  class => 'Cat',
+                                  required => [], # TODO
+}                                 );
+
+__PACKAGE__->method_documentation({
+    'class_name' => {
+    	datatype => 'string',
+    	base_name => 'className',
+    	description => '',
+    	format => '',
+    	read_only => '',
+    		},
+    'declawed' => {
+    	datatype => 'boolean',
+    	base_name => 'declawed',
+    	description => '',
+    	format => '',
+    	read_only => '',
+    		},
+    
+});
+
+__PACKAGE__->swagger_types( {
+    'class_name' => 'string',
+    'declawed' => 'boolean'
+} );
+
+__PACKAGE__->attribute_map( {
+    'class_name' => 'className',
+    'declawed' => 'declawed'
+} );
+
+__PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
+
+
+1;
diff --git a/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Dog.pm b/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Dog.pm
new file mode 100644
index 000000000000..b4192ec71cd9
--- /dev/null
+++ b/samples/client/petstore/perl/lib/WWW/SwaggerClient/Object/Dog.pm
@@ -0,0 +1,136 @@
+package WWW::SwaggerClient::Object::Dog;
+
+require 5.6.0;
+use strict;
+use warnings;
+use utf8;
+use JSON qw(decode_json);
+use Data::Dumper;
+use Module::Runtime qw(use_module);
+use Log::Any qw($log);
+use Date::Parse;
+use DateTime;
+
+use base ("Class::Accessor", "Class::Data::Inheritable");
+
+
+#
+#
+#
+#NOTE: This class is auto generated by the swagger code generator program. Do not edit the class manually.
+#
+
+__PACKAGE__->mk_classdata('attribute_map' => {});
+__PACKAGE__->mk_classdata('swagger_types' => {});
+__PACKAGE__->mk_classdata('method_documentation' => {}); 
+__PACKAGE__->mk_classdata('class_documentation' => {});
+
+# new object
+sub new { 
+    my ($class, %args) = @_; 
+
+	my $self = bless {}, $class;
+	
+	foreach my $attribute (keys %{$class->attribute_map}) {
+		my $args_key = $class->attribute_map->{$attribute};
+		$self->$attribute( $args{ $args_key } );
+	}
+	
+	return $self;
+}  
+
+# return perl hash
+sub to_hash {
+    return decode_json(JSON->new->convert_blessed->encode( shift ));
+}
+
+# used by JSON for serialization
+sub TO_JSON { 
+    my $self = shift;
+    my $_data = {};
+    foreach my $_key (keys %{$self->attribute_map}) {
+        if (defined $self->{$_key}) {
+            $_data->{$self->attribute_map->{$_key}} = $self->{$_key};
+        }
+    }
+    return $_data;
+}
+
+# from Perl hashref
+sub from_hash {
+    my ($self, $hash) = @_;
+
+    # loop through attributes and use swagger_types to deserialize the data
+    while ( my ($_key, $_type) = each %{$self->swagger_types} ) {
+    	my $_json_attribute = $self->attribute_map->{$_key}; 
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
+            my @_array = ();
+            foreach my $_element (@{$hash->{$_json_attribute}}) {
+                push @_array, $self->_deserialize($_subclass, $_element);
+            }
+            $self->{$_key} = \@_array;
+        } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
+            $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
+        } else {
+        	$log->debugf("Warning: %s (%s) does not exist in input hash\n", $_key, $_json_attribute);
+        }
+    }
+  
+    return $self;
+}
+
+# deserialize non-array data
+sub _deserialize {
+    my ($self, $type, $data) = @_;
+    $log->debugf("deserializing %s with %s",Dumper($data), $type);
+        
+    if ($type eq 'DateTime') {
+        return DateTime->from_epoch(epoch => str2time($data));
+    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+        return $data;
+    } else { # hash(model)
+        my $_instance = eval "WWW::SwaggerClient::Object::$type->new()";
+        return $_instance->from_hash($data);
+    }
+}
+
+
+
+__PACKAGE__->class_documentation({description => '',
+                                  class => 'Dog',
+                                  required => [], # TODO
+}                                 );
+
+__PACKAGE__->method_documentation({
+    'class_name' => {
+    	datatype => 'string',
+    	base_name => 'className',
+    	description => '',
+    	format => '',
+    	read_only => '',
+    		},
+    'breed' => {
+    	datatype => 'string',
+    	base_name => 'breed',
+    	description => '',
+    	format => '',
+    	read_only => '',
+    		},
+    
+});
+
+__PACKAGE__->swagger_types( {
+    'class_name' => 'string',
+    'breed' => 'string'
+} );
+
+__PACKAGE__->attribute_map( {
+    'class_name' => 'className',
+    'breed' => 'breed'
+} );
+
+__PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
+
+
+1;
diff --git a/samples/client/petstore/perl/t/AnimalTest.t b/samples/client/petstore/perl/t/AnimalTest.t
new file mode 100644
index 000000000000..7d608e30803d
--- /dev/null
+++ b/samples/client/petstore/perl/t/AnimalTest.t
@@ -0,0 +1,17 @@
+# NOTE: This class is auto generated by the Swagger Codegen
+# Please update the test case below to test the model.
+
+use Test::More tests => 2;
+use Test::Exception;
+
+use lib 'lib';
+use strict;
+use warnings;
+
+
+use_ok('WWW::SwaggerClient::Object::Animal');
+
+my $instance = WWW::SwaggerClient::Object::Animal->new();
+
+isa_ok($instance, 'WWW::SwaggerClient::Object::Animal');
+
diff --git a/samples/client/petstore/perl/t/CatTest.t b/samples/client/petstore/perl/t/CatTest.t
new file mode 100644
index 000000000000..cc1569cab400
--- /dev/null
+++ b/samples/client/petstore/perl/t/CatTest.t
@@ -0,0 +1,17 @@
+# NOTE: This class is auto generated by the Swagger Codegen
+# Please update the test case below to test the model.
+
+use Test::More tests => 2;
+use Test::Exception;
+
+use lib 'lib';
+use strict;
+use warnings;
+
+
+use_ok('WWW::SwaggerClient::Object::Cat');
+
+my $instance = WWW::SwaggerClient::Object::Cat->new();
+
+isa_ok($instance, 'WWW::SwaggerClient::Object::Cat');
+
diff --git a/samples/client/petstore/perl/t/DogTest.t b/samples/client/petstore/perl/t/DogTest.t
new file mode 100644
index 000000000000..d99225a0592e
--- /dev/null
+++ b/samples/client/petstore/perl/t/DogTest.t
@@ -0,0 +1,17 @@
+# NOTE: This class is auto generated by the Swagger Codegen
+# Please update the test case below to test the model.
+
+use Test::More tests => 2;
+use Test::Exception;
+
+use lib 'lib';
+use strict;
+use warnings;
+
+
+use_ok('WWW::SwaggerClient::Object::Dog');
+
+my $instance = WWW::SwaggerClient::Object::Dog->new();
+
+isa_ok($instance, 'WWW::SwaggerClient::Object::Dog');
+
diff --git a/samples/client/petstore/php/SwaggerClient-php/petstore b/samples/client/petstore/php/SwaggerClient-php/petstore
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/samples/client/petstore/ruby/lib/petstore/models/animal.rb b/samples/client/petstore/ruby/lib/petstore/models/animal.rb
new file mode 100644
index 000000000000..cf5fa7c1c948
--- /dev/null
+++ b/samples/client/petstore/ruby/lib/petstore/models/animal.rb
@@ -0,0 +1,165 @@
+=begin
+Swagger Petstore
+
+This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+License: Apache 2.0
+http://www.apache.org/licenses/LICENSE-2.0.html
+
+Terms of Service: http://swagger.io/terms/
+
+=end
+
+require 'date'
+
+module Petstore
+  class Animal
+    attr_accessor :class_name
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        
+        :'class_name' => :'className'
+        
+      }
+    end
+
+    # Attribute type mapping.
+    def self.swagger_types
+      {
+        :'class_name' => :'String'
+        
+      }
+    end
+
+    def initialize(attributes = {})
+      return unless attributes.is_a?(Hash)
+
+      # convert string to symbol for hash key
+      attributes = attributes.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
+
+      
+      if attributes[:'className']
+        self.class_name = attributes[:'className']
+      end
+      
+    end
+
+    # Check equality by comparing each attribute.
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          class_name == o.class_name
+    end
+
+    # @see the `==` method
+    def eql?(o)
+      self == o
+    end
+
+    # Calculate hash code according to all attributes.
+    def hash
+      [class_name].hash
+    end
+
+    # build the object from hash
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      self.class.swagger_types.each_pair do |key, type|
+        if type =~ /^Array<(.*)>/i
+          if attributes[self.class.attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[self.class.attribute_map[key]].map{ |v| _deserialize($1, v) } )
+          else
+            #TODO show warning in debug mode
+          end
+        elsif !attributes[self.class.attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[self.class.attribute_map[key]]))
+        else
+          # data not found in attributes(hash), not an issue as the data can be optional
+        end
+      end
+
+      self
+    end
+
+    def _deserialize(type, value)
+      case type.to_sym
+      when :DateTime
+        DateTime.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :BOOLEAN
+        if value.to_s =~ /^(true|t|yes|y|1)$/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
+        _model = Petstore.const_get(type).new
+        _model.build_from_hash(value)
+      end
+    end
+
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_body (backward compatibility))
+    def to_body
+      to_hash
+    end
+
+    # return 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
+
+    # Method to output non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    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
diff --git a/samples/client/petstore/ruby/lib/petstore/models/cat.rb b/samples/client/petstore/ruby/lib/petstore/models/cat.rb
new file mode 100644
index 000000000000..db40e8eab2c4
--- /dev/null
+++ b/samples/client/petstore/ruby/lib/petstore/models/cat.rb
@@ -0,0 +1,175 @@
+=begin
+Swagger Petstore
+
+This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+License: Apache 2.0
+http://www.apache.org/licenses/LICENSE-2.0.html
+
+Terms of Service: http://swagger.io/terms/
+
+=end
+
+require 'date'
+
+module Petstore
+  class Cat
+    attr_accessor :class_name
+
+    attr_accessor :declawed
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        
+        :'class_name' => :'className',
+        
+        :'declawed' => :'declawed'
+        
+      }
+    end
+
+    # Attribute type mapping.
+    def self.swagger_types
+      {
+        :'class_name' => :'String',
+        :'declawed' => :'BOOLEAN'
+        
+      }
+    end
+
+    def initialize(attributes = {})
+      return unless attributes.is_a?(Hash)
+
+      # convert string to symbol for hash key
+      attributes = attributes.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
+
+      
+      if attributes[:'className']
+        self.class_name = attributes[:'className']
+      end
+      
+      if attributes[:'declawed']
+        self.declawed = attributes[:'declawed']
+      end
+      
+    end
+
+    # Check equality by comparing each attribute.
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          class_name == o.class_name &&
+          declawed == o.declawed
+    end
+
+    # @see the `==` method
+    def eql?(o)
+      self == o
+    end
+
+    # Calculate hash code according to all attributes.
+    def hash
+      [class_name, declawed].hash
+    end
+
+    # build the object from hash
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      self.class.swagger_types.each_pair do |key, type|
+        if type =~ /^Array<(.*)>/i
+          if attributes[self.class.attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[self.class.attribute_map[key]].map{ |v| _deserialize($1, v) } )
+          else
+            #TODO show warning in debug mode
+          end
+        elsif !attributes[self.class.attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[self.class.attribute_map[key]]))
+        else
+          # data not found in attributes(hash), not an issue as the data can be optional
+        end
+      end
+
+      self
+    end
+
+    def _deserialize(type, value)
+      case type.to_sym
+      when :DateTime
+        DateTime.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :BOOLEAN
+        if value.to_s =~ /^(true|t|yes|y|1)$/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
+        _model = Petstore.const_get(type).new
+        _model.build_from_hash(value)
+      end
+    end
+
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_body (backward compatibility))
+    def to_body
+      to_hash
+    end
+
+    # return 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
+
+    # Method to output non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    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
diff --git a/samples/client/petstore/ruby/lib/petstore/models/dog.rb b/samples/client/petstore/ruby/lib/petstore/models/dog.rb
new file mode 100644
index 000000000000..a7f19f2b9135
--- /dev/null
+++ b/samples/client/petstore/ruby/lib/petstore/models/dog.rb
@@ -0,0 +1,175 @@
+=begin
+Swagger Petstore
+
+This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+License: Apache 2.0
+http://www.apache.org/licenses/LICENSE-2.0.html
+
+Terms of Service: http://swagger.io/terms/
+
+=end
+
+require 'date'
+
+module Petstore
+  class Dog
+    attr_accessor :class_name
+
+    attr_accessor :breed
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        
+        :'class_name' => :'className',
+        
+        :'breed' => :'breed'
+        
+      }
+    end
+
+    # Attribute type mapping.
+    def self.swagger_types
+      {
+        :'class_name' => :'String',
+        :'breed' => :'String'
+        
+      }
+    end
+
+    def initialize(attributes = {})
+      return unless attributes.is_a?(Hash)
+
+      # convert string to symbol for hash key
+      attributes = attributes.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
+
+      
+      if attributes[:'className']
+        self.class_name = attributes[:'className']
+      end
+      
+      if attributes[:'breed']
+        self.breed = attributes[:'breed']
+      end
+      
+    end
+
+    # Check equality by comparing each attribute.
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          class_name == o.class_name &&
+          breed == o.breed
+    end
+
+    # @see the `==` method
+    def eql?(o)
+      self == o
+    end
+
+    # Calculate hash code according to all attributes.
+    def hash
+      [class_name, breed].hash
+    end
+
+    # build the object from hash
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      self.class.swagger_types.each_pair do |key, type|
+        if type =~ /^Array<(.*)>/i
+          if attributes[self.class.attribute_map[key]].is_a?(Array)
+            self.send("#{key}=", attributes[self.class.attribute_map[key]].map{ |v| _deserialize($1, v) } )
+          else
+            #TODO show warning in debug mode
+          end
+        elsif !attributes[self.class.attribute_map[key]].nil?
+          self.send("#{key}=", _deserialize(type, attributes[self.class.attribute_map[key]]))
+        else
+          # data not found in attributes(hash), not an issue as the data can be optional
+        end
+      end
+
+      self
+    end
+
+    def _deserialize(type, value)
+      case type.to_sym
+      when :DateTime
+        DateTime.parse(value)
+      when :Date
+        Date.parse(value)
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :BOOLEAN
+        if value.to_s =~ /^(true|t|yes|y|1)$/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
+        _model = Petstore.const_get(type).new
+        _model.build_from_hash(value)
+      end
+    end
+
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_body (backward compatibility))
+    def to_body
+      to_hash
+    end
+
+    # return 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
+
+    # Method to output non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    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
diff --git a/samples/client/petstore/ruby/spec/models/animal_spec.rb b/samples/client/petstore/ruby/spec/models/animal_spec.rb
new file mode 100644
index 000000000000..ddbfeca85f90
--- /dev/null
+++ b/samples/client/petstore/ruby/spec/models/animal_spec.rb
@@ -0,0 +1,50 @@
+=begin
+Swagger Petstore
+
+This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+License: Apache 2.0
+http://www.apache.org/licenses/LICENSE-2.0.html
+
+Terms of Service: http://swagger.io/terms/
+
+=end
+
+require 'spec_helper'
+require 'json'
+require 'date'
+
+# Unit tests for Petstore::Animal
+# Automatically generated by swagger-codegen (github.com/swagger-api/swagger-codegen)
+# Please update as you see appropriate
+describe 'Animal' do
+  before do
+    # run before each test
+    @instance = Petstore::Animal.new
+  end
+
+  after do
+    # run after each test
+  end
+
+  describe 'test an instance of Animal' do
+    it 'should create an instact of Animal' do
+      @instance.should be_a(Petstore::Animal) 
+    end
+  end
+  describe 'test attribute "class_name"' do
+    it 'should work' do
+       # assertion here
+       # should be_a()
+       # should be_nil
+       # should ==
+       # should_not ==
+    end
+  end
+
+end
+
diff --git a/samples/client/petstore/ruby/spec/models/cat_spec.rb b/samples/client/petstore/ruby/spec/models/cat_spec.rb
new file mode 100644
index 000000000000..220a37dfebe0
--- /dev/null
+++ b/samples/client/petstore/ruby/spec/models/cat_spec.rb
@@ -0,0 +1,60 @@
+=begin
+Swagger Petstore
+
+This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+License: Apache 2.0
+http://www.apache.org/licenses/LICENSE-2.0.html
+
+Terms of Service: http://swagger.io/terms/
+
+=end
+
+require 'spec_helper'
+require 'json'
+require 'date'
+
+# Unit tests for Petstore::Cat
+# Automatically generated by swagger-codegen (github.com/swagger-api/swagger-codegen)
+# Please update as you see appropriate
+describe 'Cat' do
+  before do
+    # run before each test
+    @instance = Petstore::Cat.new
+  end
+
+  after do
+    # run after each test
+  end
+
+  describe 'test an instance of Cat' do
+    it 'should create an instact of Cat' do
+      @instance.should be_a(Petstore::Cat) 
+    end
+  end
+  describe 'test attribute "class_name"' do
+    it 'should work' do
+       # assertion here
+       # should be_a()
+       # should be_nil
+       # should ==
+       # should_not ==
+    end
+  end
+
+  describe 'test attribute "declawed"' do
+    it 'should work' do
+       # assertion here
+       # should be_a()
+       # should be_nil
+       # should ==
+       # should_not ==
+    end
+  end
+
+end
+
diff --git a/samples/client/petstore/ruby/spec/models/dog_spec.rb b/samples/client/petstore/ruby/spec/models/dog_spec.rb
new file mode 100644
index 000000000000..23b1b9a83f7a
--- /dev/null
+++ b/samples/client/petstore/ruby/spec/models/dog_spec.rb
@@ -0,0 +1,60 @@
+=begin
+Swagger Petstore
+
+This is a sample server Petstore server.  You can find out more about Swagger at <a href=\"http://swagger.io\">http://swagger.io</a> or on irc.freenode.net, #swagger.  For this sample, you can use the api key \"special-key\" to test the authorization filters
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+License: Apache 2.0
+http://www.apache.org/licenses/LICENSE-2.0.html
+
+Terms of Service: http://swagger.io/terms/
+
+=end
+
+require 'spec_helper'
+require 'json'
+require 'date'
+
+# Unit tests for Petstore::Dog
+# Automatically generated by swagger-codegen (github.com/swagger-api/swagger-codegen)
+# Please update as you see appropriate
+describe 'Dog' do
+  before do
+    # run before each test
+    @instance = Petstore::Dog.new
+  end
+
+  after do
+    # run after each test
+  end
+
+  describe 'test an instance of Dog' do
+    it 'should create an instact of Dog' do
+      @instance.should be_a(Petstore::Dog) 
+    end
+  end
+  describe 'test attribute "class_name"' do
+    it 'should work' do
+       # assertion here
+       # should be_a()
+       # should be_nil
+       # should ==
+       # should_not ==
+    end
+  end
+
+  describe 'test attribute "breed"' do
+    it 'should work' do
+       # assertion here
+       # should be_a()
+       # should be_nil
+       # should ==
+       # should_not ==
+    end
+  end
+
+end
+