A Unit test of the xFirewall DSC Resource in the xNetworking module

Example_DSCResourceUnitTest.ps1

Describe 'MSFT_xFirewall\Get-TargetResource' {
	Context 'Absent should return correctly' {
		Mock Get-NetFirewallRule

		It "Should return absent on firewall rule $($FirewallRule.Name)" {
			$result = Get-TargetResource -Name 'FirewallRule'
			$result.Name | Should Be 'FirewallRule'
			$result.Ensure | Should Be 'Absent'
		}
	}

	Context 'Present should return correctly' {
		$result = Get-TargetResource -Name $FirewallRule.Name

		# Looping these tests
		foreach ($parameter in $ParameterList)
		{
			$ParameterSource = (Invoke-Expression -Command "`$($($parameter.source))")
			$ParameterNew = (Invoke-Expression -Command "`$result.$($parameter.name)")
			It "should have the correct $($parameter.Name) on firewall rule $($FirewallRule.Name)" {
				$ParameterSource | Should Be $ParameterNew
			}
		}
	}
}