[Inline model resolver] better handling of inline responses and bug fixes (#12353)

* better handling of inline response schemas, bug fixes

* update samples

* add new files

* better code format

* remove unused ruby files

* fix java test

* remove unused js spec files

* remove inline_response_default_test.dart

* fix webclient tests

* fix spring tests

samples/client/petstore/powershell/src/PSPetstore/Api/PSDefaultApi.ps1

@@ -20,7 +20,7 @@ A switch when turned on will return a hash table of Response, StatusCode and Hea
 
 .OUTPUTS
 
-InlineResponseDefault
+FooGetDefaultResponse
 #>
 function Invoke-PSFooGet {
     [CmdletBinding()]
@@ -57,7 +57,7 @@ function Invoke-PSFooGet {
                                 -QueryParameters $LocalVarQueryParameters `
                                 -FormParameters $LocalVarFormParameters `
                                 -CookieParameters $LocalVarCookieParameters `
-                                -ReturnType "InlineResponseDefault" `
+                                -ReturnType "FooGetDefaultResponse" `
                                 -IsBodyNullable $false
 
         if ($WithHttpInfo.IsPresent) {

samples/client/petstore/powershell/src/PSPetstore/Model/FooGetDefaultResponse.ps1

@@ -0,0 +1,97 @@
+#
+# 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: "" \
+# Version: 1.0.0
+# Generated by OpenAPI Generator: https://openapi-generator.tech
+#
+
+<#
+.SYNOPSIS
+
+No summary available.
+
+.DESCRIPTION
+
+No description available.
+
+.PARAMETER String
+No description available.
+.OUTPUTS
+
+FooGetDefaultResponse<PSCustomObject>
+#>
+
+function Initialize-PSFooGetDefaultResponse {
+    [CmdletBinding()]
+    Param (
+        [Parameter(Position = 0, ValueFromPipelineByPropertyName = $true)]
+        [PSCustomObject]
+        ${String}
+    )
+
+    Process {
+        'Creating PSCustomObject: PSPetstore => PSFooGetDefaultResponse' | Write-Debug
+        $PSBoundParameters | Out-DebugParameter | Write-Debug
+
+
+        $PSO = [PSCustomObject]@{
+            "string" = ${String}
+        }
+
+
+        return $PSO
+    }
+}
+
+<#
+.SYNOPSIS
+
+Convert from JSON to FooGetDefaultResponse<PSCustomObject>
+
+.DESCRIPTION
+
+Convert from JSON to FooGetDefaultResponse<PSCustomObject>
+
+.PARAMETER Json
+
+Json object
+
+.OUTPUTS
+
+FooGetDefaultResponse<PSCustomObject>
+#>
+function ConvertFrom-PSJsonToFooGetDefaultResponse {
+    Param(
+        [AllowEmptyString()]
+        [string]$Json
+    )
+
+    Process {
+        'Converting JSON to PSCustomObject: PSPetstore => PSFooGetDefaultResponse' | Write-Debug
+        $PSBoundParameters | Out-DebugParameter | Write-Debug
+
+        $JsonParameters = ConvertFrom-Json -InputObject $Json
+
+        # check if Json contains properties not defined in PSFooGetDefaultResponse
+        $AllProperties = ("string")
+        foreach ($name in $JsonParameters.PsObject.Properties.Name) {
+            if (!($AllProperties.Contains($name))) {
+                throw "Error! JSON key '$name' not found in the properties: $($AllProperties)"
+            }
+        }
+
+        if (!([bool]($JsonParameters.PSobject.Properties.name -match "string"))) { #optional property not found
+            $String = $null
+        } else {
+            $String = $JsonParameters.PSobject.Properties["string"].value
+        }
+
+        $PSO = [PSCustomObject]@{
+            "string" = ${String}
+        }
+
+        return $PSO
+    }
+
+}
+