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/php/OpenAPIClient-php/test/Model/AllOfWithSingleRefTest.php

@@ -0,0 +1,99 @@
+<?php
+/**
+ * AllOfWithSingleRefTest
+ *
+ * PHP version 7.3
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * 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
+ * OpenAPI Generator version: 6.0.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Please update the test case below to test the model.
+ */
+
+namespace OpenAPI\Client\Test\Model;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * AllOfWithSingleRefTest Class Doc Comment
+ *
+ * @category    Class
+ * @description AllOfWithSingleRef
+ * @package     OpenAPI\Client
+ * @author      OpenAPI Generator team
+ * @link        https://openapi-generator.tech
+ */
+class AllOfWithSingleRefTest extends TestCase
+{
+
+    /**
+     * Setup before running any test case
+     */
+    public static function setUpBeforeClass(): void
+    {
+    }
+
+    /**
+     * Setup before running each test case
+     */
+    public function setUp(): void
+    {
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public function tearDown(): void
+    {
+    }
+
+    /**
+     * Clean up after running all test cases
+     */
+    public static function tearDownAfterClass(): void
+    {
+    }
+
+    /**
+     * Test "AllOfWithSingleRef"
+     */
+    public function testAllOfWithSingleRef()
+    {
+        // TODO: implement
+        $this->markTestIncomplete('Not implemented');
+    }
+
+    /**
+     * Test attribute "username"
+     */
+    public function testPropertyUsername()
+    {
+        // TODO: implement
+        $this->markTestIncomplete('Not implemented');
+    }
+
+    /**
+     * Test attribute "single_ref_type"
+     */
+    public function testPropertySingleRefType()
+    {
+        // TODO: implement
+        $this->markTestIncomplete('Not implemented');
+    }
+}

samples/client/petstore/php/OpenAPIClient-php/test/Model/SingleRefTypeTest.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * UserTypeTest
+ * SingleRefTypeTest
  *
  * PHP version 7.3
  *
@@ -17,7 +17,7 @@
  *
  * The version of the OpenAPI document: 1.0.0
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 5.3.1-SNAPSHOT
+ * OpenAPI Generator version: 6.0.0-SNAPSHOT
  */
 
 /**
@@ -31,15 +31,15 @@ namespace OpenAPI\Client\Test\Model;
 use PHPUnit\Framework\TestCase;
 
 /**
- * UserTypeTest Class Doc Comment
+ * SingleRefTypeTest Class Doc Comment
  *
  * @category    Class
- * @description UserType
+ * @description SingleRefType
  * @package     OpenAPI\Client
  * @author      OpenAPI Generator team
  * @link        https://openapi-generator.tech
  */
-class UserTypeTest extends TestCase
+class SingleRefTypeTest extends TestCase
 {
 
     /**
@@ -71,9 +71,9 @@ class UserTypeTest extends TestCase
     }
 
     /**
-     * Test "UserType"
+     * Test "SingleRefType"
      */
-    public function testUserType()
+    public function testSingleRefType()
     {
         // TODO: implement
         $this->markTestIncomplete('Not implemented');