Clear-DbaPlanCache.Tests.ps1

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

Describe "$CommandName Unit Tests" -Tag 'UnitTests' {
    Context "Validate parameters" {
        [object[]]$params = (Get-Command $CommandName).Parameters.Keys | Where-Object {$_ -notin ('whatif', 'confirm')}
        [object[]]$knownParameters = 'SqlInstance', 'SqlCredential', 'Threshold', 'InputObject', 'EnableException'
        $knownParameters += [System.Management.Automation.PSCmdlet]::CommonParameters
        It "Should only contain our specific parameters" {
            (@(Compare-Object -ReferenceObject ($knownParameters | Where-Object {$_}) -DifferenceObject $params).Count ) | Should Be 0
        }
    }
}

Describe "$commandname Integration Tests" -Tag "IntegrationTests" {
    Context "doesn't clear plan cache" {
        It "returns correct datatypes" {
            # Make plan cache way higher than likely for a test rig
            $results = Clear-DbaPlanCache -SqlInstance $script:instance1 -Threshold 10240
            $results.Size -is [dbasize] | Should -Be $true
            $results.Status -match 'below' | Should -Be $true
        }
        It "supports piping" {
            # Make plan cache way higher than likely for a test rig
            $results = Get-DbaPlanCache -SqlInstance $script:instance1 | Clear-DbaPlanCache -Threshold 10240
            $results.Size -is [dbasize] | Should -Be $true
            $results.Status -match 'below' | Should -Be $true
        }
    }
}