Merge helpers function from node, boost, python. (#2)

* setup boost helpers

* add ci for pull requests

* pester for ci

* resolving issue with pester 5

* remove Output flag

* check tests with 4 version

* try common tests variant

* added requires

* move to 5 version

* try to add assert module

* fix scope

* use new regex for python

* fix regex in tests

* Pester 4.10.1

* EnableExit

* fix synopsys

* fix creating tar archive

Co-authored-by: Dmitry Shibanov <v-dmshib@microsoft.com>
Co-authored-by: Maxim Lobanov <v-malob@microsoft.com>

nix-helpers.psm1

@@ -0,0 +1,41 @@
+<#
+.SYNOPSIS
+Unpack *.tar file
+#>
+function Extract-TarArchive {
+    param(
+        [Parameter(Mandatory=$true)]
+        [String]$ArchivePath,
+        [Parameter(Mandatory=$true)]
+        [String]$OutputDirectory
+    )
+
+    Write-Debug "Extract $ArchivePath to $OutputDirectory"
+    tar -C $OutputDirectory -xzf $ArchivePath --strip 1
+}
+
+function Create-TarArchive {
+    param(
+        [Parameter(Mandatory=$true)]
+        [String]$SourceFolder,
+        [Parameter(Mandatory=$true)]
+        [String]$ArchivePath,
+        [string]$CompressionType = "gz",
+        [switch]$DereferenceSymlinks
+    )
+
+    $arguments = @(
+        "-c", "--$CompressionType"
+    )
+
+    if ($DereferenceSymlinks) {
+        $arguments += "-h"
+    }
+
+    $arguments += @("-f", $ArchivePath, ".")
+
+    Push-Location $SourceFolder
+    Write-Debug "tar $arguments"
+    tar @arguments
+    Pop-Location
+}