Tests/GenXdev.Data.Preferences/Set-GenXdevPreference.Tests.ps1

###############################################################################
Pester\BeforeAll {
    # Clean-up
    GenXdev.Data\Remove-GenXdevPreference -Name "Theme" -RemoveDefault
}
Pester\AfterAll {
    # Clean-up
    GenXdev.Data\Remove-GenXdevPreference -Name "Theme" -RemoveDefault
}
###############################################################################
Pester\Describe "Set-GenXdevPreference" {

    Pester\It "Should pass PSScriptAnalyzer rules" {

        # get the script path for analysis
        $scriptPath = GenXdev.FileSystem\Expand-Path "$PSScriptRoot\..\..\Functions\GenXdev.Data.Preferences\Set-GenXdevPreference.ps1"

        # run analyzer with explicit settings
        $analyzerResults = GenXdev.Coding\Invoke-GenXdevScriptAnalyzer `
            -Path $scriptPath

        [string] $message = ""
        $analyzerResults | Microsoft.PowerShell.Core\ForEach-Object {

            $message = $message + @"
--------------------------------------------------
Rule: $($_.RuleName)`
Description: $($_.Description)
Message: $($_.Message)
`r`n
"@

        }

        $analyzerResults.Count | Pester\Should -Be 0 -Because @"
The following PSScriptAnalyzer rules are being violated:
$message
"@
;
    }

    Pester\It "Should store preference value locally" {
        GenXdev.Data\Set-GenXdevPreference -Name "Theme" -Value "Dark"
        $result = GenXdev.Data\Get-GenXdevPreference -Name "Theme"
        $result | Pester\Should -Be "Dark"
    }

    Pester\It "Should update existing preference" {
        GenXdev.Data\Set-GenXdevPreference -Name "Theme" -Value "Light"
        GenXdev.Data\Set-GenXdevPreference -Name "Theme" -Value "Dark"
        $result = GenXdev.Data\Get-GenXdevPreference -Name "Theme"
        $result | Pester\Should -Be "Dark"
    }

    Pester\It "Should remove preference when value is null" {
        GenXdev.Data\Set-GenXdevPreference -Name "Theme" -Value "Dark"
        GenXdev.Data\Set-GenXdevPreference -Name "Theme" -Value $null
        $result = GenXdev.Data\Get-GenXdevPreference -Name "Theme" -DefaultValue "Default"
        $result | Pester\Should -Be "Default"
    }
}