Get-DbaDbVirtualLogFile.Tests.ps1

<#
    The below statement stays in for every test you build.
#>
$CommandName = $MyInvocation.MyCommand.Name.Replace(".Tests.ps1", "")
Write-Host -Object "Running $PSCommandPath" -ForegroundColor Cyan
. "$PSScriptRoot\constants.ps1"

<#
    Unit test is required for any command added
#>
Describe "$CommandName Unit Tests" -Tag 'UnitTests' {
    Context "Validate parameters" {
        <#
            The $paramCount is adjusted based on the parameters your command will have.

            The $defaultParamCount is adjusted based on what type of command you are writing the test for:
                - Commands that *do not* include SupportShouldProcess, set defaultParamCount    = 11
                - Commands that *do* include SupportShouldProcess, set defaultParamCount        = 13
        #>
        $paramCount = 6
        $defaultParamCount = 11
        [object[]]$params = (Get-ChildItem function:\Get-DbaDbVirtualLogFile).Parameters.Keys
        $knownParameters = 'SqlInstance', 'SqlCredential', 'Database', 'ExcludeDatabase', 'IncludeSystemDbs', 'EnableException'
        it "Should contain our specific parameters" {
            ( (Compare-Object -ReferenceObject $knownParameters -DifferenceObject $params -IncludeEqual | Where-Object SideIndicator -eq "==").Count ) | Should Be $paramCount
        }
        it "Should only contain $paramCount parameters" {
            $params.Count - $defaultParamCount | Should Be $paramCount
        }
    }
}
# Get-DbaNoun
Describe "$CommandName Integration Tests" -Tags "IntegrationTests" {
    BeforeAll {
        $server = Connect-DbaInstance -SqlInstance $script:instance2
        $db1 = "dbatoolsci_getvlf"
        $server.Query("CREATE DATABASE $db1")
        $needed = Get-DbaDatabase -SqlInstance $script:instance2 -Database $db1
        $setupright = $true
        if ($needed.Count -ne 1) {
            $setupright = $false
            it "has failed setup" {
                Set-TestInconclusive -message "Setup failed"
            }
        }
    }
    AfterAll {
        Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance2 -Database $db1
    }
    Context "Command actually works" {
        $results = Get-DbaDbVirtualLogFile -SqlInstance $script:instance2 -Database $db1
        It "Should have correct properties" {
            $ExpectedProps = 'ComputerName,InstanceName,SqlInstance,Database,RecoveryUnitId,FileId,FileSize,StartOffset,FSeqNo,Status,Parity,CreateLSN'.Split(',')
            ($results[0].PsObject.Properties.Name | Sort-Object) | Should Be ($ExpectedProps | Sort-Object)
        }

        It "Should have database name of $db1" {
            foreach ($result in $results) {
                $result.Database | Should Be $db1
            }
        }
    }
}