Better inline model resolver to handle inline schema in array item (#12104)

* better support of inline schema in array item

* update tests

* update samples

* regenerate samples

* fix allof naming, remove files

* add files

* update samples

* update readme

* fix tests

* update samples

* update samples

* add new files

* update test spec

* add back tests

* remove unused files

* comment out python test

* update js test using own spec

* remove files

* remove unused files

* remove files

* remove unused files

* better handling of allOf with a single type

* comment out go test

* remove test_all_of_with_single_ref_single_ref_type.py

* fix inline resolver, uncomment go test

samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AllOfWithSingleRef.pm

@@ -0,0 +1,193 @@
+=begin comment
+
+OpenAPI 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: \" \\
+
+The version of the OpenAPI document: 1.0.0
+
+Generated by: https://openapi-generator.tech
+
+=end comment
+
+=cut
+
+#
+# NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+# Do not edit the class manually.
+# Ref: https://openapi-generator.tech
+#
+package WWW::OpenAPIClient::Object::AllOfWithSingleRef;
+
+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($log);
+use Date::Parse;
+use DateTime;
+
+use WWW::OpenAPIClient::Object::SingleRefType;
+
+use base ("Class::Accessor", "Class::Data::Inheritable");
+
+#
+#
+#
+# NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech). Do not edit the class manually.
+# REF: https://openapi-generator.tech
+#
+
+=begin comment
+
+OpenAPI Petstore
+
+This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+
+The version of the OpenAPI document: 1.0.0
+
+Generated by: https://openapi-generator.tech
+
+=end comment
+
+=cut
+
+#
+# NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+# Do not edit the class manually.
+# Ref: https://openapi-generator.tech
+#
+__PACKAGE__->mk_classdata('attribute_map' => {});
+__PACKAGE__->mk_classdata('openapi_types' => {});
+__PACKAGE__->mk_classdata('method_documentation' => {});
+__PACKAGE__->mk_classdata('class_documentation' => {});
+
+# new plain object
+sub new {
+    my ($class, %args) = @_;
+
+    my $self = bless {}, $class;
+
+    $self->init(%args);
+
+    return $self;
+}
+
+# initialize the object
+sub init
+{
+    my ($self, %args) = @_;
+
+    foreach my $attribute (keys %{$self->attribute_map}) {
+        my $args_key = $self->attribute_map->{$attribute};
+        $self->$attribute( $args{ $args_key } );
+    }
+}
+
+# return perl hash
+sub to_hash {
+    my $self = shift;
+    my $_hash = decode_json(JSON->new->convert_blessed->encode($self));
+
+    return $_hash;
+}
+
+# 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, $hash) = @_;
+
+    # loop through attributes and use openapi_types to deserialize the data
+    while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
+        my $_json_attribute = $self->attribute_map->{$_key};
+        if ($_type =~ /^array\[(.+)\]$/i) { # array
+            my $_subclass = $1;
+            my @_array = ();
+            foreach my $_element (@{$hash->{$_json_attribute}}) {
+                push @_array, $self->_deserialize($_subclass, $_element);
+            }
+            $self->{$_key} = \@_array;
+        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
+            my $_subclass = $1;
+            my %_hash = ();
+            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
+                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
+            }
+            $self->{$_key} = \%_hash;
+        } 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 $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
+        return $_instance->from_hash($data);
+    }
+}
+
+
+__PACKAGE__->class_documentation({description => '',
+                                  class => 'AllOfWithSingleRef',
+                                  required => [], # TODO
+}                                 );
+
+__PACKAGE__->method_documentation({
+    'username' => {
+        datatype => 'string',
+        base_name => 'username',
+        description => '',
+        format => '',
+        read_only => '',
+            },
+    'single_ref_type' => {
+        datatype => 'SingleRefType',
+        base_name => 'SingleRefType',
+        description => '',
+        format => '',
+        read_only => '',
+            },
+});
+
+__PACKAGE__->openapi_types( {
+    'username' => 'string',
+    'single_ref_type' => 'SingleRefType'
+} );
+
+__PACKAGE__->attribute_map( {
+    'username' => 'username',
+    'single_ref_type' => 'SingleRefType'
+} );
+
+__PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
+
+
+1;

samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/SingleRefType.pm

@@ -17,7 +17,7 @@ Generated by: https://openapi-generator.tech
 # Do not edit the class manually.
 # Ref: https://openapi-generator.tech
 #
-package WWW::OpenAPIClient::Object::UserType;
+package WWW::OpenAPIClient::Object::SingleRefType;
 
 require 5.6.0;
 use strict;
@@ -155,7 +155,7 @@ sub _deserialize {
 
 
 __PACKAGE__->class_documentation({description => '',
-                                  class => 'UserType',
+                                  class => 'SingleRefType',
                                   required => [], # TODO
 }                                 );
 

samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/User.pm

@@ -30,7 +30,6 @@ use Log::Any qw($log);
 use Date::Parse;
 use DateTime;
 
-use WWW::OpenAPIClient::Object::UserType;
 
 use base ("Class::Accessor", "Class::Data::Inheritable");
 
@@ -217,13 +216,6 @@ __PACKAGE__->method_documentation({
         format => '',
         read_only => '',
             },
-    'user_type' => {
-        datatype => 'UserType',
-        base_name => 'userType',
-        description => '',
-        format => '',
-        read_only => '',
-            },
 });
 
 __PACKAGE__->openapi_types( {
@@ -234,8 +226,7 @@ __PACKAGE__->openapi_types( {
     'email' => 'string',
     'password' => 'string',
     'phone' => 'string',
-    'user_status' => 'int',
-    'user_type' => 'UserType'
+    'user_status' => 'int'
 } );
 
 __PACKAGE__->attribute_map( {
@@ -246,8 +237,7 @@ __PACKAGE__->attribute_map( {
     'email' => 'email',
     'password' => 'password',
     'phone' => 'phone',
-    'user_status' => 'userStatus',
-    'user_type' => 'userType'
+    'user_status' => 'userStatus'
 } );
 
 __PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});