--- /dev/null
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the is_mac_address function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ expect(Puppet::Parser::Functions.function("is_mac_address")).to eq("function_is_mac_address")
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ expect { scope.function_is_mac_address([]) }.to( raise_error(Puppet::ParseError))
+ end
+
+ it "should return true if a valid mac address" do
+ result = scope.function_is_mac_address(["00:a0:1f:12:7f:a0"])
+ expect(result).to(eq(true))
+ end
+
+ it "should return false if octets are out of range" do
+ result = scope.function_is_mac_address(["00:a0:1f:12:7f:g0"])
+ expect(result).to(eq(false))
+ end
+
+ it "should return false if not valid" do
+ result = scope.function_is_mac_address(["not valid"])
+ expect(result).to(eq(false))
+ end
+end