BykaDrBackup

1.0.0

tests/BykaDrBackup.Import.Tests.ps1

# Import smoke + parameter-validator tests for the BykaDrBackup module.

BeforeAll {
    $script:ManifestPath = Join-Path $PSScriptRoot '..' 'BykaDrBackup.psd1'
    Import-Module $script:ManifestPath -Force
}

AfterAll {
    Remove-Module BykaDrBackup -ErrorAction SilentlyContinue
}

Describe 'BykaDrBackup import' {

    It 'imports without errors' {
        Get-Module BykaDrBackup | Should -Not -BeNullOrEmpty
    }

    It 'exposes Invoke-BykaDrBackup as a function' {
        Get-Command Invoke-BykaDrBackup -Module BykaDrBackup -ErrorAction Stop | Should -Not -BeNullOrEmpty
    }

    It 'does NOT export Private helpers (Backup-Item)' {
        # The manifest's FunctionsToExport restricts visibility from outside
        # the module, even though the loader dot-sources Private/Backup-Item.ps1.
        Get-Command Backup-Item -Module BykaDrBackup -ErrorAction SilentlyContinue | Should -BeNullOrEmpty
    }

    It 'exported function names match manifest FunctionsToExport pin' {
        # [G4] devops F6: assert against the explicit manifest list rather than
        # a raw count, so adding a new public function requires updating BOTH
        # the .psd1 AND this test together (intentional broadening), instead of
        # silently failing on count mismatch when a third function is added.
        $manifestPath = Join-Path $PSScriptRoot '..' 'BykaDrBackup.psd1'
        $m = Test-ModuleManifest -Path $manifestPath
        $exportedNames = (Get-Command -Module BykaDrBackup).Name | Sort-Object
        $manifestNames = $m.ExportedFunctions.Keys | Sort-Object
        $exportedNames | Should -Be $manifestNames
    }
}

Describe 'Invoke-BykaDrBackup parameter validation' {

    It 'rejects empty -Destination' {
        # ValidateNotNullOrEmpty kicks in before the body runs.
        { Invoke-BykaDrBackup -Destination '' } | Should -Throw
    }

    It 'rejects -KeepDays = 0 (range 1-365)' {
        { Invoke-BykaDrBackup -KeepDays 0 } | Should -Throw
    }

    It 'rejects -KeepDays = 366 (range 1-365)' {
        { Invoke-BykaDrBackup -KeepDays 366 } | Should -Throw
    }

    It 'rejects empty -ProjectRoot' {
        { Invoke-BykaDrBackup -ProjectRoot '' } | Should -Throw
    }
}