. $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 "Get-DynamicAwsRegionParameter" {

    Context "Logic" {

        Mock -CommandName Get-SupportedAwsRegions -ModuleName $moduleForMock -MockWith { return @(
            "mexico-south-55",
            "australia-west-99"
        )}

        It "Uses the Specified Parameter Name" {

            $testParamName = "SupaFly"

            $param = Get-DynamicAwsRegionParameter -DynamicParameterName $testParamName
            $param.Keys | Should -BeExactly $testParamName
        }

        It "Uses the Specified ParameterSet Name" {

            $testParamSetName = "wOne"

            $param = Get-DynamicAwsRegionParameter -ParameterSetName $testParamSetName
            $param.Values.Attributes.ParameterSetName | Should -BeExactly $testParamSetName
        }

        It "Is a Mandatory Parameter if Specified" {

            $param = Get-DynamicAwsRegionParameter -IsMandatoryParameter
            $param.Values.Attributes.Mandatory | Should -BeTrue
        }

        It "Creates a Validate Set with Valid AWS Profile Names" {

            $param = Get-DynamicAwsRegionParameter
            $param.Values.Attributes.ValidValues | Should -Be @( "mexico-south-55", "australia-west-99")
        }
    }
}