Added a Pester Unit Test Script to New-RandomPassword.ps1

Author: PaoloFrigo

Blog/PowerShell/New-RandomPassword.Tests.ps1

@@ -0,0 +1,33 @@
+# Paolo Frigo, 2018 
+# https://www.scriptinglibrary.com
+
+. .\New-RandomPassword.ps1 
+
+Describe "New-RandomPassword" -Tags "Unit Tests" {
+    it "Should generate a String" {
+        (New-RandomPassword).GetType().Name | Should BeExactly "String"
+    }
+
+    #Pick a password lenght between 0 and 7 and 33 and 100 characters  
+    $n = 0..1 + 33..100 
+    foreach ($length in $n){
+        it "Should throw an exeption if the password lenght ($length) is out of the accepted range (8-32)"    {
+            {New-RandomPassword -Lenght 5} | Should throw
+        }
+    }
+    #Pick a password lenght between 8 and 32 characters   
+    $n = 8..32 
+    foreach ($length in $n){
+        It "Should generate a password $length character long" {
+            (New-RandomPassword($length)).length | Should BeExactly "$length"     
+        }   
+    }  
+    #Test/Generate 300 passwords
+    foreach ($attempt in (1..300)){
+        It "Should generate a password complex enough for AD ($attempt/300 attempt)"{
+            $n = 8..32 | Get-Random 
+            $RegEx = "(?=^.{8,32}$)((?=.*\d)(?=.*[A-Z])(?=.*[a-z])|(?=.*\d)(?=.*[^A-Za-z0-9])(?=.*[a-z])|(?=.*[^A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z])|(?=.*\d)(?=.*[A-Z])(?=.*[^A-Za-z0-9]))^.*"
+            (New-RandomPassword($n)) -match $RegEx
+        }
+    }    
+}