Functions/Get-TextFileEncoding.Tests.ps1
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describe "BitTitan.Runbooks.Common/Get-TextFileEncoding" -Tag "module", "unit" { # Import the function to test . "$($PSScriptRoot)\Get-TextFileEncoding.ps1" # Declare a temporary file to hold the text $tempTextFilePath = Join-Path $env:TEMP "$(New-Guid).txt" it -TestCases @( @{ Encoding = "UTF8" }, @{ Encoding = "UTF32" }, @{ Encoding = "BigEndianUnicode" }, @{ Encoding = "BigEndianUTF32" }, @{ Encoding = "Unicode" } ) "detects that a text file encoding is <Encoding>" { param ($Encoding) # Set the contents of the file Set-Content -Path $tempTextFilePath -Value "File contents" -Encoding $Encoding -Force -Confirm:$false # Call the function $encoding = Get-TextFileEncoding -Path $tempTextFilePath # Verify the output $encoding | Should Be $Encoding } it "outputs an error if the file does not have a text file extension" { # Call the function $encoding = Get-TextFileEncoding -Path $tempTextFilePath.Replace(".txt", ".pdf") -ErrorVariable errorVariable 2>$null # Verify the output $errorVariable | Should Not BeNullOrEmpty $encoding | Should BeNullOrEmpty } # Delete the temporary file if (![String]::IsNullOrWhiteSpace($tempTextFilePath)) { Remove-Item -Path $tempTextFilePath -Force -Confirm:$false } } |