Add Test-DSCConfigurationDataDeployment function and related enhancements

Private/Get-ConfigurationDataSourceFileInfo.ps1

@@ -0,0 +1,34 @@
+function Get-ConfigurationDataSourceFileInfo {
+    [CmdletBinding()]
+    Param(
+        [Parameter(Mandatory=$true)]
+        [string]
+        $Path,
+
+        [Parameter(Mandatory=$true)]
+        [string]
+        $BasePath,
+
+        [Parameter(Mandatory=$false)]
+        [switch]
+        $UseRelativePath
+    )
+
+    $ResolvedPath = Resolve-ConfigurationDataTemplatePath -Path $Path -BasePath $BasePath
+    $Item = Get-Item -LiteralPath $ResolvedPath
+    $Hash = Get-FileHash -LiteralPath $ResolvedPath -Algorithm SHA256
+
+    $DisplayPath = if($UseRelativePath){
+        ConvertTo-ConfigurationDataRelativePath -Path $ResolvedPath -BasePath $BasePath
+    }else{
+        $ResolvedPath
+    }
+
+    [ordered]@{
+        Path = $DisplayPath
+        Hash = $Hash.Hash
+        Algorithm = $Hash.Algorithm
+        Size = $Item.Length
+        LastWriteTimeUtc = $Item.LastWriteTimeUtc.ToString("o")
+    }
+}

Private/Resolve-ConfigurationDataSourcePath.ps1

@@ -0,0 +1,19 @@
+function Resolve-ConfigurationDataSourcePath {
+    [CmdletBinding()]
+    Param(
+        [Parameter(Mandatory=$true)]
+        [string]
+        $Path,
+
+        [Parameter(Mandatory=$true)]
+        [string]
+        $DeploymentPath
+    )
+
+    $BasePath = Split-Path -Path (Repair-ConfigurationDataPathEncoding -Path $DeploymentPath) -Parent
+    if([string]::IsNullOrWhiteSpace($BasePath)){
+        $BasePath = (Get-Location).Path
+    }
+
+    return Resolve-ConfigurationDataTemplatePath -Path $Path -BasePath $BasePath
+}