various enhancement to ps exp generator (OpenAPITools#5875)

Author: wing328

modules/openapi-generator/src/main/resources/powershell-experimental/configuration.mustache

@@ -121,7 +121,7 @@ function Set-{{{apiNamePrefix}}}Configuration {
         If ($BaseUrl) {
             # validate URL
             $URL = $BaseUrl -as [System.URI]
-            if (!($URL.AbsoluteURI -ne $null -and $URL.Scheme -match '[http|https]')) {
+            if (!($null -ne $URL.AbsoluteURI -and $URL.Scheme -match '[http|https]')) {
                 throw "Invalid URL '$($BaseUrl)' cannot be used in the base URL."
             }
 
@@ -349,15 +349,15 @@ function Get-{{apiNamePrefix}}UrlFromHostSetting {
         $Hosts = Get-{{apiNamePrefix}}HostSetting
 
         # check array index out of bound
-        if ($Index -lt 0 -or $Index -gt $Hosts.Length) {
+        if ($Index -lt 0 -or $Index -ge $Hosts.Length) {
             throw "Invalid index $index when selecting the host. Must be less than $($Hosts.Length)"
         }
 
-        $Host = $Hosts[$Index];
-        $Url = $Host["Url"];
+        $MyHost = $Hosts[$Index];
+        $Url = $MyHost["Url"];
 
         # go through variable and assign a value
-        foreach ($h in $Host["Variables"].GetEnumerator()) {
+        foreach ($h in $MyHost["Variables"].GetEnumerator()) {
             if ($Variables.containsKey($h.Name)) { # check to see if it's in the variables provided by the user
                 if ($h.Value["EnumValues"] -Contains $Variables[$h.Name]) {
                    $Url = $Url.replace("{$($h.Name)}", $Variables[$h.Name])

samples/client/petstore/powershell-experimental/src/PSPetstore/Client/PSConfiguration.ps1

@@ -127,7 +127,7 @@ function Set-PSConfiguration {
         If ($BaseUrl) {
             # validate URL
             $URL = $BaseUrl -as [System.URI]
-            if (!($URL.AbsoluteURI -ne $null -and $URL.Scheme -match '[http|https]')) {
+            if (!($null -ne $URL.AbsoluteURI -and $URL.Scheme -match '[http|https]')) {
                 throw "Invalid URL '$($BaseUrl)' cannot be used in the base URL."
             }
 
@@ -365,15 +365,15 @@ function Get-PSUrlFromHostSetting {
         $Hosts = Get-PSHostSetting
 
         # check array index out of bound
-        if ($Index -lt 0 -or $Index -gt $Hosts.Length) {
+        if ($Index -lt 0 -or $Index -ge $Hosts.Length) {
             throw "Invalid index $index when selecting the host. Must be less than $($Hosts.Length)"
         }
 
-        $Host = $Hosts[$Index];
-        $Url = $Host["Url"];
+        $MyHost = $Hosts[$Index];
+        $Url = $MyHost["Url"];
 
         # go through variable and assign a value
-        foreach ($h in $Host["Variables"].GetEnumerator()) {
+        foreach ($h in $MyHost["Variables"].GetEnumerator()) {
             if ($Variables.containsKey($h.Name)) { # check to see if it's in the variables provided by the user
                 if ($h.Value["EnumValues"] -Contains $Variables[$h.Name]) {
                    $Url = $Url.replace("{$($h.Name)}", $Variables[$h.Name])

samples/client/petstore/powershell-experimental/tests/Petstore.Tests.ps1

@@ -133,8 +133,8 @@ Describe -tag 'PSOpenAPITools' -name 'Integration Tests' {
             Get-PSUrlFromHostSetting -Index 0 | Should Be "http://petstore.swagger.io:80/v2"
             Get-PSUrlFromHostSetting -Index 0 -Variables @{ "port" = "8080" } | Should Be "http://petstore.swagger.io:8080/v2" 
             #Get-PSUrlFromHostSetting -Index 2 | Should -Throw -ExceptionType ([RuntimeException]) 
-            #Get-PSUrlFromHostSetting -Index 2 | Should -Throw # "Invalid index 2 when selecting the host. Must be less than 2"
-            #Get-PSUrlFromHostSetting -Index 0 -Variables @{ "port" = "1234" } | Should Throw "The variable 'port' in the host URL has invalid value 1234. Must be 80,8080"
+            #Get-PSUrlFromHostSetting -Index 2 -ErrorAction Stop | Should -Throw "RuntimeException: Invalid index 2 when selecting the host. Must be less than 2"
+            #Get-PSUrlFromHostSetting -Index 0 -Variables @{ "port" = "1234" } -ErrorAction Stop | Should -Throw "RuntimeException: The variable 'port' in the host URL has invalid value 1234. Must be 80,8080"
 
         }