diff --git a/Tests/Public/Copy-ZertoVpg.Tests.ps1 b/Tests/Public/Copy-ZertoVpg.Tests.ps1
new file mode 100644
index 0000000..cd53274
--- /dev/null
+++ b/Tests/Public/Copy-ZertoVpg.Tests.ps1
@@ -0,0 +1,56 @@
+#Requires -Modules Pester
+$global:here = (Split-Path -Parent $MyInvocation.MyCommand.Path)
+$global:function = ((Split-Path -leaf $MyInvocation.MyCommand.Path).Split('.'))[0]
+
+Describe $global:function -Tag 'Unit', 'Source', 'Built' {
+    BeforeAll {
+        $script:ScriptBlock = (Get-Command $global:function).ScriptBlock
+    }
+
+    Context "$($global:function)::Parameter Unit Tests" {
+
+        It "$global:function should have exactly 16 parameters defined" {
+            (Get-Command $global:function).Parameters.Count | Should -Be 16
+        }
+
+        $ParameterTestCases = @(
+            @{ParameterName = 'SourceVpgName'; Type = 'String'; Mandatory = $true; Validation = 'NotNullOrEmpty' }
+            @{ParameterName = 'NewVpgName'; Type = 'String'; Mandatory = $true; Validation = 'NotNullOrEmpty' }
+            @{ParameterName = 'VMs'; Type = 'String[]'; Mandatory = $true; Validation = 'NotNullOrEmpty' }
+        )
+
+        It "<ParameterName> parameter is of <Type> type" -TestCases $ParameterTestCases {
+            param($ParameterName, $Type, $Mandatory)
+            Get-Command $global:function | Should -HaveParameter $ParameterName -Mandatory:$Mandatory -Type $Type
+        }
+
+        It "<ParameterName> parameter has correct validation setting"  -TestCases $ParameterTestCases {
+            param($ParameterName, $Validation)
+            Switch ($Validation) {
+                'NotNullOrEmpty' {
+                    $attrs = (Get-Command $global:function).Parameters[$ParameterName].Attributes
+                    $attrs.Where{ $_ -is [ValidateNotNullOrEmpty] }.Count | Should -Be 1
+                }
+
+                $null {
+                    $attrs = (Get-Command $global:function).Parameters[$ParameterName].Attributes
+                    $attrs.TypeId.Count | Should -Be 2
+                }
+            }
+        }
+
+        It "Supports 'SupportsShouldProcess'" {
+            Get-Command $global:function | Should -HaveParameter WhatIf
+            Get-Command $global:function | Should -HaveParameter Confirm
+            $script:ScriptBlock | Should -match 'SupportsShouldProcess'
+            $script:ScriptBlock | Should -match '\$PSCmdlet\.ShouldProcess\(.+\)'
+        }
+    }
+
+    Context "$($global:function)::Function Unit Tests" {
+
+    }
+}
+
+Remove-Variable -Name function -Scope Global
+Remove-Variable -Name here -Scope Global