. $PSScriptRoot\..\..\Load-PesterModules.ps1
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.tests\.', '.'
$functionPath = Join-Path -Path $here -ChildPath $sut
Write-Host "Overriding SUT: $functionPath"
Import-Module $functionPath -Force
$moduleForMock = ""

Describe "Set-AlkamiWebAppPoolConfiguration" {
    Mock -ModuleName $moduleForMock -CommandName Get-LogLeadName -MockWith { "UUT" }
    Mock -ModuleName $moduleForMock -CommandName Write-Verbose -MockWith { }
    Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith { }
    Mock -ModuleName $moduleForMock -CommandName Write-Warning -MockWith { }

    Mock -ModuleName $moduleForMock -CommandName Get-AppServiceAccountName -MockWith { "this string is not empty" }
    Mock -ModuleName $moduleForMock -CommandName Set-ItemProperty -MockWith { }
    Mock -ModuleName $moduleForMock -CommandName WebAdministration\New-WebAppPool -MockWith { }
    Mock -ModuleName $moduleForMock -CommandName Get-Item -MockWith { }

    Mock -ModuleName $moduleForMock -CommandName Test-AppCommandPropertyExistsOnAppPool -MockWith { $true }
    Mock -ModuleName $moduleForMock -CommandName Set-AppCommandPropertyOnAppPool -MockWith { }
    Mock -ModuleName $moduleForMock -CommandName IISAdministration\Get-IISAppPool -MockWith { New-Object PSObject }
    Mock -ModuleName $moduleForMock -CommandName Get-AppSetting -MockWith { return "" }

    $appPoolName = "Totally fake app name"

    Context "Integration Tests" {
        It "Does nothing if all results are 'already found'" {
            Mock -ModuleName $moduleForMock -CommandName Test-AppCommandPropertyExistsOnAppPool -MockWith { $true }

            Set-AlkamiWebAppPoolConfiguration -AppPoolName $appPoolName

            Assert-MockCalled -CommandName Test-AppCommandPropertyExistsOnAppPool -Times 11 -Exactly -Scope It -ModuleName $moduleForMock
            Assert-MockCalled -CommandName Set-AppCommandPropertyOnAppPool -Times 0 -Exactly -Scope It -ModuleName $moduleForMock
            Assert-MockCalled -CommandName IISAdministration\Get-IISAppPool -Times 2 -Exactly -Scope It -ModuleName $moduleForMock
        }

        It "Does all actions if no results are 'already found'" {
            Mock -ModuleName $moduleForMock -CommandName Test-AppCommandPropertyExistsOnAppPool -MockWith { $false }

            Set-AlkamiWebAppPoolConfiguration -AppPoolName $appPoolName

            Assert-MockCalled -CommandName Test-AppCommandPropertyExistsOnAppPool -Times 11 -Exactly -Scope It -ModuleName $moduleForMock
            Assert-MockCalled -CommandName Set-AppCommandPropertyOnAppPool -Times 11 -Exactly -Scope It -ModuleName $moduleForMock
            Assert-MockCalled -CommandName IISAdministration\Get-IISAppPool -Times 2 -Exactly -Scope It -ModuleName $moduleForMock
        }
    }
}