HelperFunctions

3.0.0

Tests/Get-ComputerNameByIP.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-ComputerNameByIP parameters' {

    It "Get-ComputerNameByIP should have IPAddress as a mandatory parameter." {
        Get-Command -Name Get-ComputerNameByIP -Module HelperFunctions -CommandType Function  | Should -HaveParameter -ParameterName IPAddress -Because "IPAddress is required to render result."
    }

}

Describe 'Get-ComputerNameByIP function output' {
    
    BeforeEach {
        $IPAddress = (Get-NetIPConfiguration | Where-Object { ($null -ne $_.IPv4DefaultGateway) -and ($_.NetAdapter.status -ne "Disconnected") }).IPv4Address.IPAddress
    }
    
    It "Get-ComputerNameByIP output should return a string value" {
        $result = Get-ComputerNameByIP -IPAddress $IPAddress
        $result | Should -Not -BeNullOrEmpty
        $result | Should -BeOfType [System.String]
    }
    
    AfterEach {
        $null = $result
        $null = $IPAddress
    }
}

AfterAll {
    Remove-Module -Name HelperFunctions -Force
}