HelperFunctions

3.0.0

Tests/Get-IPByComputerName.Tests.ps1

BeforeAll {
    Import-Module -Name HelperFunctions -Force
    Import-Module -Name Pester -Force
    if ($Error) { $Error.Clear() }
}

# Get-ComputerNameByIP Tests, all should pass
Describe 'Get-IPByComputerName parameters' {

    It "Get-IPByComputerName should have parameter ComputerName" {
        Get-Command Get-IPByComputerName | Should -HaveParameter ComputerName -Type [System.String[]] -Mandatory -Because "If IP address is valid it should return the assigned device."
    }

}

Describe 'Get-IPByComputerName function output'{
    
    BeforeEach {
        $Computer = [System.Net.Dns]::GetHostByName("LocalHost").HostName
    }
    
    It "Get-IPByComputerName should return the IP address of the computer passed into the function" {
        $result = Get-IPByComputerName -ComputerName $Computer
        $result | Should -Not -BeNullOrEmpty -Because "Cannot resolve an IP address if the computer name is invalid."
        $result | Should -BeOfType [PSCustomObject]
    }
    
    AfterEach {
        $null = $Computer
    }
}

AfterAll {
    Remove-Module -Name HelperFunctions -Force
}