add: test function

source/Private/Initialize-LargeTestTable.ps1

@@ -1,15 +1,36 @@
+<#
+    .SYNOPSIS
+    This function generates a large table with the specified number of lines.
+    .DESCRIPTION
+    This function generates a large table with the specified number of lines. The table has a header and each line has the same format.
+    .EXAMPLE
+    Initialize-LargeTestTable -lineCount 1000
+    .PARAMETER lineCount
+    The number of lines to generate.
+    .INPUTS
+    System.Int32
+    .OUTPUTS
+    System.String
+    .NOTES
+    The function is intended for testing purposes.
+#>
 function Initialize-LargeTestTable {
-    param (
+    [cmdletBinding()]
+    [OutputType([string])]
+    param(
+        [Parameter()]
         [int]$lineCount = 1000 # Number of lines to generate
     )
-    $header = "UserPrincipalName|AuditEnabled|AdminActionsMissing|DelegateActionsMissing|OwnerActionsMissing"
-    $lineTemplate = "user{0}@criticalsolutions.net|True|FB,CP,MV|FB,MV|ML,MV,CR"
-
-    $lines = @($header)
-    for ($i = 1; $i -le $lineCount; $i++) {
-        $lines += [string]::Format($lineTemplate, $i)
+    process {
+        $header = "UserPrincipalName|AuditEnabled|AdminActionsMissing|DelegateActionsMissing|OwnerActionsMissing"
+        $lineTemplate = "user{0}@contosonorthwind.net|True|FB,CP,MV|FB,MV|ML,MV,CR"
+        # Generate the header and lines
+        $lines = @($header)
+        for ($i = 1; $i -le $lineCount; $i++) {
+            $lines += [string]::Format($lineTemplate, $i)
+        }
+        $output = $lines -join "`n"
+        Write-Host "Details character count: $($output.Length)"
+        return $output
     }
-    $output = $lines -join "`n"
-    Write-Host "Details character count: $($output.Length)"
-    return $output
 }

tests/Unit/Private/Initialize-LargeTestTable.tests.ps1

@@ -0,0 +1,27 @@
+$ProjectPath = "$PSScriptRoot\..\..\.." | Convert-Path
+$ProjectName = ((Get-ChildItem -Path $ProjectPath\*\*.psd1).Where{
+        ($_.Directory.Name -match 'source|src' -or $_.Directory.Name -eq $_.BaseName) -and
+        $(try { Test-ModuleManifest $_.FullName -ErrorAction Stop } catch { $false } )
+    }).BaseName
+
+
+Import-Module $ProjectName
+
+InModuleScope $ProjectName {
+    Describe Get-PrivateFunction {
+        Context 'Default' {
+            BeforeEach {
+                $return = Get-PrivateFunction -PrivateData 'string'
+            }
+
+            It 'Returns a single object' {
+                ($return | Measure-Object).Count | Should -Be 1
+            }
+
+            It 'Returns a string based on the parameter PrivateData' {
+                $return | Should -Be 'string'
+            }
+        }
+    }
+}
+