tests/Restore-DbaDatabase.Tests.ps1

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$CommandName = $MyInvocation.MyCommand.Name.Replace(".Tests.ps1","")
Write-Host -Object "Running $PSCommandpath" -ForegroundColor Cyan
. "$PSScriptRoot\constants.ps1"

Describe "$CommandName Integration Tests" -Tags "IntegrationTests" {
    #Setup variable for multiple contexts
    $DataFolder = 'c:\temp\datafiles'
    $LogFolder = 'C:\temp\logfiles'
    New-Item -Type Directory $DataFolder -ErrorAction SilentlyContinue
    new-Item -Type Directory $LogFolder -ErrorAction SilentlyContinue
    Context "Properly restores a database on the local drive using Path" {
        $null = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak
        It "Should Return the proper backup file location" {
            $results.BackupFile | Should Be "$script:appveyorlabrepo\singlerestore\singlerestore.bak"
        }
        It "Should return successful restore" {
            $results.RestoreComplete | Should Be $true
        }
    }
    
    Context "Ensuring warning is thrown if database already exists" {
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak -WarningVariable warning -WarningAction SilentlyContinue
        It "Should warn" {
            $warning | Where-Object {$_ -like '*Test-DbaBackupInformation*Database*'} | Should Match "exists and WithReplace not specified, stopping"
        }
        It "Should not return object" {
            $results | Should Be $null
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Context "Database is properly removed again after withreplace test" {
        $results = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance1 -Database singlerestore
        It "Should say the status was dropped" {
            $results.Status | Should Be "Dropped"
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Context "Properly restores a database on the local drive using piped Get-ChildItem results" {
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1
        It "Should Return the proper backup file location" {
            $results.BackupFile | Should Be "$script:appveyorlabrepo\singlerestore\singlerestore.bak"
        }
        It "Should return successful restore" {
            $results.RestoreComplete | Should Be $true
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Context "Database is properly removed again after gci tests" {
        $results = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance1 -Database singlerestore
        It "Should say the status was dropped" {
            $results.Status | Should Be "Dropped"
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 2
    
    Context "Database is restored with correct renamings" {
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DestinationFilePrefix prefix
        It "Should return successful restore with prefix" {
            $results.RestoreComplete | Should Be $true
        }
        It "Should return the 2 prefixed files" {
            (($results.RestoredFile -split ',').substring(0, 6) -eq 'prefix').count | Should be 2
        }
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DestinationFileSuffix suffix -WithReplace
        It "Should return successful restore with suffix" {
            ($results.RestoreComplete -eq $true) | Should Be $true
        }
        It "Should return the 2 suffixed files" {
            (($Results.RestoredFile -split ',') -match "suffix\.").count | Should be 2
        }
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DestinationFileSuffix suffix -DestinationFilePrefix prefix -WithReplace
        It "Should return successful restore with suffix and prefix" {
            ($results.RestoreComplete -eq $true)  | Should Be $true
        }
        It "Should return the 2 prefixed and suffixed files" {
            (($Results.RestoredFile -split ',') -match "^prefix.*suffix\.").count | Should be 2
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Context "Database is properly removed again post prefix and suffix tests" {
        $results = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance1 -Database singlerestore
        It "Should say the status was dropped" {
            $results.Status | Should Be "Dropped"
        }

    }
    
    Context "Replace databasename in Restored File" {
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DatabaseName Pestering -replaceDbNameInFile -WithReplace
        It "Should return the 2 files swapping singlerestore for pestering (output)" {
            (($Results.RestoredFile -split ',') -like "*pestering*").count | Should be 2
        }
        ForEach ($file in ($results.RestoredFileFull -split ',')) {
            It "$file Should exist on Filesystem" {
                $file | Should Exist    
            }
        }
    }
    
    Context "Database is properly removed (name change)" {
        $results = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance1 -Database pestering
        It "Should say the status was dropped" {
            $results.Status | Should Be "Dropped"
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 2
    
    Context "Folder restore options" {
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DestinationDataDirectory $DataFolder
        It "Should return successful restore with DestinationDataDirectory" {
            $results.RestoreComplete | Should Be $true
        }
        It "Should have moved all files to $DataFolder" {
            (($results.RestoredFileFull -split ',') -like "$DataFolder*").count | Should be 2
        }
        ForEach ($file in ($results.RestoredFileFull -split ',')) {
            It "$file Should exist on Filesystem" {
                $file | Should Exist    
            }
        }
        
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DestinationDataDirectory $DataFolder -DestinationLogDirectory $LogFolder -WithReplace
        It "Should have moved data file to $DataFolder" {
            (($results.RestoredFileFull -split ',') -like "$DataFolder*").count | Should be 1
        }
        It "Should have moved Log file to $LogFolder" {
            (($results.RestoredFileFull -split ',') -like "$LogFolder*").count | Should be 1
        }
        ForEach ($file in ($results.RestoredFileFull -split ',')) {
            It "$file Should exist on Filesystem" {
                $file | Should Exist    
            }
        }
    }
    
    Context "Database is properly removed again after folder options tests" {
        $results = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance1 -Database singlerestore
        It "Should say the status was dropped" {
            $results.Status | Should Be "Dropped"
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 2
    Context "Putting all restore file modification options together" {
        $results = Get-ChildItem $script:appveyorlabrepo\singlerestore\singlerestore.bak | Restore-DbaDatabase -SqlInstance $script:instance1 -DestinationDataDirectory $DataFolder -DestinationLogDirectory $LogFolder -DestinationFileSuffix Suffix -DestinationFilePrefix prefix
        It "Should return successful restore with all file mod options" {
            $results.RestoreComplete | Should Be $true
        }
        It "Should have moved data file to $DataFolder (output)" {
            (($results.RestoredFileFull -split ',') -like "$DataFolder*").count | Should be 1
        }
        It "Should have moved Log file to $LogFolder (output)" {
            (($results.RestoredFileFull -split ',') -like "$LogFolder*").count | Should be 1
        }
        It "Should return the 2 prefixed and suffixed files" {
            (($Results.RestoredFile -split ',') -match "^prefix.*suffix\.").count | Should be 2
        }
        ForEach ($file in ($results.RestoredFileFull -split ',')) {
            It "$file Should exist on Filesystem" {
                $file | Should Exist    
            }
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    Context "Database is properly removed again after all file mods test" {
        $results = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance1 -Database singlerestore
        It "Should say the status was dropped" {
            $results.Status | Should Be "Dropped"
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 5
    Clear-DbaSqlConnectionPool
    
    Context "Properly restores an instance using ola-style backups" {
        $results = Get-ChildItem $script:appveyorlabrepo\sql2008-backups | Restore-DbaDatabase -SqlInstance $script:instance1
        It "Restored files count should be 28" {
            $results.DatabaseName.Count | Should Be 28
        }
        It "Should return successful restore" {
            ($results.RestoreComplete -contains $false) | Should Be $false
            ($results.count -gt 0) | Should be $True
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    
    Context "All user databases are removed post ola-style test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            $results | ForEach{ $_.Status | Should Be "Dropped" }
        }
    }
    
    Get-DbaProcess $script:instance1 -NoSystemSpid | Stop-DbaProcess -WarningVariable warn -WarningAction SilentlyContinue
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 2
    
    Context "RestoreTime setup checks" {
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -path $script:appveyorlabrepo\RestoreTimeClean
        $sqlResults = Invoke-Sqlcmd2 -ServerInstance $script:instance1 -Query "select convert(datetime,convert(varchar(20),max(dt),120)) as maxdt, convert(datetime,convert(varchar(20),min(dt),120)) as mindt from RestoreTimeClean.dbo.steps"
        It "Should restore cleanly" {
            ($results.RestoreComplete -contains $false) | Should Be $false
            ($results.count -gt 0) | Should be $True
        }      
        It "Should have restored 5 files" {
            $results.count | Should be 5
        }
        It "Should have restored from 2017-06-01 12:59:12" {
            $sqlResults.mindt | Should be (get-date "2017-06-01 12:59:12")
        }
        It "Should have restored to 2017-06-01 13:28:43" {
            $sqlResults.maxdt | Should be (get-date "2017-06-01 13:28:43")
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    
    Context "All user databases are removed post RestoreTime check" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    
    Context "RestoreTime point in time" {
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -path $script:appveyorlabrepo\RestoreTimeClean -RestoreTime (get-date "2017-06-01 13:22:44")
        $sqlResults = Invoke-Sqlcmd2 -ServerInstance $script:instance1 -Query "select convert(datetime,convert(varchar(20),max(dt),120)) as maxdt, convert(datetime,convert(varchar(20),min(dt),120)) as mindt from RestoreTimeClean.dbo.steps"
        It "Should have restored 4 files" {
            $results.count | Should be 4
        }
        It "Should have restored from 2017-06-01 12:59:12" {
            $sqlResults.mindt | Should be (get-date "2017-06-01 12:59:12")
        }
        It "Should have restored to 2017-06-01 13:28:43" {
            $sqlResults.maxdt | Should be (get-date "2017-06-01 13:22:43")
        }
    }

    Context "All user databases are removed" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped post point in time test" {
            Foreach ($db in $results){ $db.Status | Should Be "Dropped" }
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    
    Context "RestoreTime point in time and continue" {
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -path $script:appveyorlabrepo\RestoreTimeClean -RestoreTime (get-date "2017-06-01 13:22:44") -StandbyDirectory c:\temp
        $sqlResults = Invoke-Sqlcmd2 -ServerInstance $script:instance1 -Query "select convert(datetime,convert(varchar(20),max(dt),120)) as maxdt, convert(datetime,convert(varchar(20),min(dt),120)) as mindt from RestoreTimeClean.dbo.steps"
        It "Should have restored 4 files" {
            $results.count | Should be 4
        }
        It "Should have restored from 2017-06-01 12:59:12" {
            $sqlResults.mindt | Should be (get-date "2017-06-01 12:59:12")
        }
        It "Should have restored to 2017-06-01 13:22:43" {
            $sqlResults.maxdt | Should be (get-date "2017-06-01 13:22:43")
        }
        $results2 = Restore-DbaDatabase -SqlInstance $script:instance1 -path $script:appveyorlabrepo\RestoreTimeClean -Continue
        $sqlResults2 = Invoke-Sqlcmd2 -ServerInstance $script:instance1 -Query "select convert(datetime,convert(varchar(20),max(dt),120)) as maxdt, convert(datetime,convert(varchar(20),min(dt),120)) as mindt from RestoreTimeClean.dbo.steps"
        It "Should have restored 2 files" {
            $results2.count | Should be 2
        }
        It "Should have restored from 2017-06-01 12:59:12" {
            $sqlResults2.mindt | Should be (get-date "2017-06-01 12:59:12")
        }
        It "Should have restored to 2017-06-01 13:28:43" {
            $sqlResults2.maxdt | Should be (get-date "2017-06-01 13:28:43")
        }

    }

    Context "Backup DB For next test" {
        $results = Backup-DbaDatabase -SqlInstance $script:instance1 -Database RestoreTimeClean -BackupDirectory C:\temp
        It "Should return successful backup" {
            $results.BackupComplete | Should Be $true
        }
    }

    Context "All user databases are removed post continue test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    
    Context "Check Get-DbaBackupHistory pipes into Restore-DbaDatabase" {
        $history = Get-DbaBackupHistory -SqlInstance $script:instance1 -Database RestoreTimeClean -Last
        $results = $history | Restore-DbaDatabase -SqlInstance $script:instance1 -WithReplace -TrustDbBackupHistory
        It "Should have restored everything successfully" {
            ($results.RestoreComplete -contains $false) | Should be $False
            (($results | Measure-Object).count -gt 0) | Should be $True
        }
    }
    
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    
    Context "All user databases are removed post history test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }

    Context "Restores a db with log and file files missing extensions" {
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -path $script:appveyorlabrepo\sql2008-backups\Noextension.bak -ErrorVariable Errvar -WarningVariable WarnVar
        It "Should Restore successfully" {
            ($results.RestoreComplete -contains $false) | Should Be $false  
            (($results | Measure-Object).count -gt 0) | Should be $True  
        }
    }
    Clear-DbaSqlConnectionPool
    Start-Sleep -Seconds 1
    
    Context "All user databases are removed post history test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }

    Context "Setup for Recovery Tests" {
        $DatabaseName = 'rectest'
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak -NoRecovery -DatabaseName $DatabaseName -DestinationFilePrefix $DatabaseName -WithReplace
        It "Should have restored everything successfully" {
            ($results.RestoreComplete -contains $false) | Should be $False
            (($results | measure-Object).count -gt 0) | Should be $True
        }  
        $check = Get-DbaDatabase -SqlInstance $script:instance1 -Database $DatabaseName
        It "Should return 1 database" {
            $check.count | Should Be 1
        }
        It "Should be a database in Restoring state" {
            $check.status | Should Be 'Restoring'
        }        
    }

    Context "Test recovery via parameter" {
        $DatabaseName = 'rectest'
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Recover -DatabaseName $DatabaseName 
        It "Should have restored everything successfully" {
            ($results.RestoreComplete -contains $false) | Should be $False
            (($results | measure-Object).count -gt 0) | Should be $True
        }  
        $check = Get-DbaDatabase -SqlInstance $script:instance1 -Database $DatabaseName
        It "Should return 1 database" {
            $check.count | Should Be 1
        }
        It "Should be a database in Restoring state" {
            'Normal' -in $check.status | Should Be $True
        }        
    }

    Context "Setup for Recovery Tests" {
        $DatabaseName = 'rectest'
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak -NoRecovery -DatabaseName $DatabaseName -DestinationFilePrefix $DatabaseName -WithReplace
        It "Should have restored everything successfully" {
            ($results.RestoreComplete -contains $false) | Should be $False
            (($results | measure-Object).count -gt 0) | Should be $True
        }  
        $check = Get-DbaDatabase -SqlInstance $script:instance1 -Database $DatabaseName
        It "Should return 1 database" {
            $check.count | Should Be 1
        }
        It "Should be a database in Restoring state" {
            $check.status | Should Be 'Restoring'
        }        
    }

    Context "Test recovery via pipeline" {
        $DatabaseName = 'rectest'
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -Database $DatabaseName | Restore-DbaDatabase -SqlInstance $script:instance1 -Recover 
        It "Should have restored everything successfully" {
            ($results.RestoreComplete -contains $false) | Should be $False
            (($results | measure-Object).count -gt 0) | Should be $True
        }  
        $check = Get-DbaDatabase -SqlInstance $script:instance1 -Database $DatabaseName
        It "Should return 1 database" {
            $check.count | Should Be 1
        }
        It "Should be a database in Restoring state" {
            'Normal' -in $check.status | Should Be $True
        }        
    }

    Context "Checking we cope with a port number (#244)" {
        $DatabaseName = 'rectest'
        $results = Restore-DbaDatabase -SqlInstance $script:instance1_detailed -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak  -DatabaseName $DatabaseName -DestinationFilePrefix $DatabaseName -WithReplace
        It "Should have restored everything successfully" {
            ($results.RestoreComplete -contains $false) | Should be $False
            (($results | measure-Object).count -gt 0) | Should be $True
        }        
    }

    Context "All user databases are removed post port test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }

    Context "Checking OutputScriptOnly only outputs script"{
        $DatabaseName = 'rectestSO'
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak  -DatabaseName $DatabaseName -OutputScriptOnly
        $db = Get-DbaDatabase -SqlInstance $script:instance1 -Database $DatabaseName
        It "Should only output a script" {
            $results -match 'RESTORE DATABASE' | Should be $True
            ($null -eq $db) | Should be $True
        }  
    }
    Context "All user databases are removed post Output script test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }
    Context "Checking Output vs input"{
        $DatabaseName = 'rectestSO'
        $results = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak  -DatabaseName $DatabaseName -BufferCount 24 -MaxTransferSize 128kb -BlockSize 64kb
        
        It "Should return the destination instance"{
            $results.SqlInstance = $script:instance1
        }

        It "Should have a BlockSize of 65536"{
            $results.Script | Should match 'BLOCKSIZE = 65536' 
        }

        It "Should have a BufferCount of 24"{
            $results.Script | Should match 'BUFFERCOUNT = 24' 
        }

        It "Should have a MaxTransferSize of 131072" {
            $results.Script | Should match 'MAXTRANSFERSIZE = 131072' 
        }
    }

    Context "All user databases are removed post Output vs Input test" {
        $results = Get-DbaDatabase -SqlInstance $script:instance1 -NoSystemDb | Remove-DbaDatabase -Confirm:$false
        It "Should say the status was dropped" {
            Foreach ($db in $results) { $db.Status | Should Be "Dropped" }
        }
    }

    Context "Checking CDC parameter " {
        $output = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak  -DatabaseName $DatabaseName -OutputScriptOnly -KeepCDC -WithReplace
        It "Should have KEEP_CDC in the SQL" {
            ($output -like '*KEEP_CDC*') | Should be $True
        }
        $output = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak  -DatabaseName $DatabaseName -OutputScriptOnly -KeepCDC -WithReplace -WarningVariable warnvar -NoRecovery -WarningAction SilentlyContinue
        It "Should not ouput, and warn if Norecovery and KeepCDC specified"{
           ( $warnvar -like '*KeepCDC cannot be specified with Norecovery or Standby as it needs recovery to work') | Should be $True
           $output | Should be $null
        }
        $output = Restore-DbaDatabase -SqlInstance $script:instance1 -Path $script:appveyorlabrepo\singlerestore\singlerestore.bak  -DatabaseName $DatabaseName -OutputScriptOnly -KeepCDC -WithReplace -WarningVariable warnvar -StandbyDirectory c:\temp\ -WarningAction SilentlyContinue
        It "Should not ouput, and warn if StandbyDirectory and KeepCDC specified"{
           ( $warnvar -like '*KeepCDC cannot be specified with Norecovery or Standby as it needs recovery to work') | Should be $True
           $output | Should be $null
        }
    }
}