. $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 "Test-KnownWCFServicesResolvable" {
    Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith {}
    Mock -ModuleName $moduleForMock -CommandName Write-Error -MockWith {}
    Mock -ModuleName $moduleForMock -CommandName Write-Warning -MockWith {}

    Mock -ModuleName $moduleForMock -CommandName Get-LogLeadName -MockWith { "UUT" }

    Context "hosts resolution returns null" {
        It "throws when it can not resolve services" {
            Mock -ModuleName $moduleForMock -CommandName Resolve-DNSName -MockWith { throw "throw" }
            { Test-KnownWCFServicesResolvable } | Should Throw
        }
    }

    Context "hosts resolution returns anything" {
        It "does not throw when all services resolve correctly" {
            Mock -ModuleName $moduleForMock -CommandName Resolve-DNSName -MockWith { $true }
            { Test-KnownWCFServicesResolvable } | Should Not Throw
        }
    }
}