. $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-IsStringIPAddress" {

    $validIPs = @(

        "127.0.0.1",
        "192.168.1.1",
        "10.50.1.150"
    )

    $invalidIPs = @(

        "256.0.0.1",
        "999.999.999.999",
        "1.1.1.257"
    )

    $testStrings = @(

        "HelloThereGeneralKenobi",
        "IHateSand123",
        "127001"
    )

    Context "When a Valid IP Address Is Specified" {

        foreach ($ip in $validIPs) {

            It "Returns True for $ip" {

                Test-IsStringIPAddress $ip | Should -BeTrue
            }
        }
    }

    Context "When an Invalid IP-Like String is Specified" {

        foreach ($ip in $invalidIPS) {

            It "Returns False for $ip" {

                Test-IsStringIPAddress $ip | Should -BeFalse
            }
        }
    }

    Context "When a String is Specified" {

        foreach ($testString in $testStrings) {

            It "Returns False for $testString" {

                Test-IsStringIPAddress $testString | Should -BeFalse
            }
        }
    }

    Context "When a String is Piped To the Function" {

        It "Returns True if the String is an IP Address" {

            "127.0.0.1" | Test-IsStringIPAddress | Should -BeTrue
        }

        It "Returns False if the String is Not an IP Address" {

            "IHaveTheHighGround" | Test-IsStringIPAddress | Should -BeFalse
        }
    }
}