dbachecks

1.1.150

internal/assertions/Instance.Assertions.ps1

                                function Assert-InstanceMaxDop {

    Param(

        [string]$Instance,

        [switch]$UseRecommended,

        [int]$MaxDopValue

    )

    $MaxDop = @(Test-DbaMaxDop -SqlInstance $Instance)[0]

    if ($UseRecommended) {

        #if UseRecommended - check that the CurrentInstanceMaxDop property returned from Test-DbaMaxDop matches the the RecommendedMaxDop property

        $MaxDop.CurrentInstanceMaxDop | Should -Be $MaxDop.RecommendedMaxDop -Because "We expect the MaxDop Setting $($MaxDop.CurrentInstanceMaxDop) to be the recommended value $($MaxDop.RecommendedMaxDop)"

    }

    else {

        #if not UseRecommended - check that the CurrentInstanceMaxDop property returned from Test-DbaMaxDop matches the MaxDopValue parameter

        $MaxDop.CurrentInstanceMaxDop | Should -Be $MaxDopValue -Because "We expect the MaxDop Setting $($MaxDop.CurrentInstanceMaxDop) to be $MaxDopValue"

    }

}

function Assert-BackupCompression {

    Param($Instance,$defaultbackupcompression)

    (Get-DbaSpConfigure -SqlInstance $Instance -ConfigName 'DefaultBackupCompression').ConfiguredValue -eq 1 | Should -Be $defaultbackupcompression -Because 'The default backup compression should be set correctly'

}

function Assert-TempDBSize {

    Param($Instance)

    @((Get-DbaDatabaseFile -SqlInstance $Instance -Database tempdb).Where{$_.Type -eq 0}.Size.Megabyte |Select-Object -Unique).Count | Should -Be 1 -Because "We want all the tempdb data files to be the same size - See https://blogs.sentryone.com/aaronbertrand/sql-server-2016-tempdb-fixes/ and https://www.brentozar.com/blitz/tempdb-data-files/ for more information"

}

function Assert-InstanceSupportedBuild {

    Param(

        [string]$Instance,

        [int]$BuildWarning,

        [string]$BuildBehind,

        [DateTime]$Date

    )

    #If $BuildBehind check against SP/CU parameter to determine validity of the build in addition to support dates

     if ($BuildBehind) {

        $results = Test-DbaSQLBuild -SqlInstance $Instance -MaxBehind $BuildBehind

        $SupportedUntil = Get-Date $results.SupportedUntil -Format O

        $expected = ($Date).AddMonths($BuildWarning)

        $results.SupportedUntil | Should -BeGreaterThan $Date -Because "this build $($Results.Build) is now unsupported by Microsoft"

        $results.SupportedUntil | Should -BeGreaterThan $expected -Because "this build $($results.Build) will be unsupported by Microsoft on $SupportedUntil which is less than $BuildWarning months away"

        $results.Compliant | Should -Be $true -Because "this build $($Results.Build) should not be behind the required build"

    #If no $BuildBehind only check against support dates

     }    else {

        $Results = Test-DbaSQLBuild -SqlInstance $Instance -Latest

        $SupportedUntil = Get-Date $results.SupportedUntil -Format O

        $expected = ($Date).AddMonths($BuildWarning)

        $Results.SupportedUntil | Should -BeGreaterThan $Date -Because "this build $($Results.Build) is now unsupported by Microsoft"

        $Results.SupportedUntil | Should -BeGreaterThan $expected -Because "this build $($results.Build) will be unsupported by Microsoft on $SupportedUntil which is less than $BuildWarning months away"

    }

}

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