[Ci + Scripts]: Add powershell versions (#572)

* Improved windows workflow and add windows ci

* Fix

* Fix jq

* fix jq attempt 2

* test

* Attempt 2

* Up crystal version

* Up Crystal verison

* test

* Test

* Fix

* Test

* Add concept run

* Fix script

.github/workflows/tests.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Run file formatting
         run: crystal ./bin/check-format.cr
   exercises:
-    name: Check exercises crystal ${{ matrix.crystal }}
+    name: Check exercises Crystal ${{ matrix.crystal }}
     runs-on: ubuntu-22.04
     strategy:
       # Allows running the job multiple times with different configurations
@@ -42,3 +42,16 @@ jobs:
         run: apt-get update && apt-get install -y jq
       - name: Run tests
         run: ./bin/test-exercises.sh
+  exercises-windows:
+    name: Check exercises Crystal on Windows
+    runs-on: windows-2022
+    steps:
+      - name: Install Crystal
+        uses: crystal-lang/install-crystal@v1
+        with:
+          crystal: "1.11.1"
+      - name: 'Setup jq'
+        run: choco install jq
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - name: Run tests
+        run: ./bin/test-exercises.ps1

bin/fetch-configlet.ps1

@@ -0,0 +1,42 @@
+# This file is a copy of the
+# https://github.com/exercism/configlet/blob/main/scripts/fetch-configlet.ps1 file.
+# Please submit bugfixes/improvements to the above file to ensure that all tracks
+# benefit from the changes.
+
+$ErrorActionPreference = "Stop"
+$ProgressPreference = "SilentlyContinue"
+
+$requestOpts = @{
+    Headers           = If ($env:GITHUB_TOKEN) { @{ Authorization = "Bearer ${env:GITHUB_TOKEN}" } } Else { @{ } }
+    MaximumRetryCount = 3
+    RetryIntervalSec  = 1
+}
+
+Function Get-DownloadUrl {
+    $arch = If ([Environment]::Is64BitOperatingSystem) { "x86-64" } Else { "i386" }
+    $latestUrl = "https://api.github.com/repos/exercism/configlet/releases/latest"
+    Invoke-RestMethod -Uri $latestUrl -PreserveAuthorizationOnRedirect @requestOpts `
+    | Select-Object -ExpandProperty assets `
+    | Where-Object { $_.name -match "^configlet_.+_windows_${arch}.zip$" } `
+    | Select-Object -ExpandProperty browser_download_url -First 1
+}
+
+$outputDirectory = "bin"
+if (!(Test-Path -Path $outputDirectory)) {
+    Write-Output "Error: no ./bin directory found. This script should be ran from a repo root."
+    exit 1
+}
+
+Write-Output "Fetching configlet..."
+$downloadUrl = Get-DownloadUrl
+$outputFileName = "configlet.zip"
+$outputPath = Join-Path -Path $outputDirectory -ChildPath $outputFileName
+Invoke-WebRequest -Uri $downloadUrl -OutFile $outputPath @requestOpts
+
+$configletPath = Join-Path -Path $outputDirectory -ChildPath "configlet.exe"
+if (Test-Path -Path $configletPath) { Remove-Item -Path $configletPath }
+[System.IO.Compression.ZipFile]::ExtractToDirectory($outputPath, $outputDirectory)
+Remove-Item -Path $outputPath
+
+$configletVersion = (Select-String -Pattern "/releases/download/(.+?)/" -InputObject $downloadUrl -AllMatches).Matches.Groups[1].Value
+Write-Output "Downloaded configlet ${configletVersion} to ${configletPath}"

bin/generator.ps1

@@ -0,0 +1,19 @@
+if ($args.Length -eq 0) {
+    Write-Host "Usage: generator <exercise>"
+    exit 1
+}
+
+$exercise = $args[0]
+
+if (!(Test-Path -Path "./bin/templates")) {
+    New-Item -Path "./bin" -Name "templates" -ItemType Directory
+    exit 1
+}
+
+Copy-Item -Path "./exercises/practice/$exercise/.meta/test_template.ecr" -Destination "./bin/templates/template.ecr"
+
+if ($args.Length -eq 2) {
+    crystal ./bin/generator.cr $exercise $args[1] || exit 1
+} else {
+    crystal ./bin/generator.cr $exercise || exit 1
+}

bin/test-exercises.ps1

@@ -0,0 +1,39 @@
+$tempFolderPath = [System.IO.Path]::GetTempPath() 
+
+Write-Host $tempFolderPath
+
+
+if (!(Test-Path -Path $tempFolderPath/"spec")) {
+    New-Item -Path $tempFolderPath -Name "spec" -ItemType Directory
+}
+if (!(Test-Path -Path $tempFolderPath/"src")) {
+    New-Item -Path $tempFolderPath -Name "src" -ItemType Directory
+}
+Write-Host crystal -v 
+Write-Host $PWD
+
+Function Test-Run() {
+    Param(
+        [string]$Name,
+        [string]$Type
+    )
+    Write-Host "Testing $Name"
+    Copy-Item -Path "$Name/.meta/src/$Type.cr" -Destination "$tempFolderPath/src/$Type.cr"
+    $specFile = "$Name/$(jq -r '.files.test[0]' $Name/.meta/config.json)"
+    Copy-Item -Path $specFile -Destination "$tempFolderPath/spec/spec.cr"
+    (Get-Content -Path "$tempFolderPath/spec/spec.cr") -replace "pending", "it" | Set-Content -Path "$tempFolderPath/spec/spec.cr"
+    Set-Location -Path "$tempFolderPath"
+    crystal spec "./spec/spec.cr"
+}
+
+$currentLocation = Get-Location
+
+foreach ($exercise in Get-ChildItem -Path ./exercises/practice/*) {
+    Test-Run $exercise "example"
+}
+
+Set-Location -Path $currentLocation
+
+foreach ($exercise in Get-ChildItem -Path ./exercises/concept/*) {
+    Test-Run $exercise "exemplar"
+}