--- /dev/null
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the is_ip_address function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ expect(Puppet::Parser::Functions.function("is_ip_address")).to eq("function_is_ip_address")
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ expect { scope.function_is_ip_address([]) }.to( raise_error(Puppet::ParseError))
+ end
+
+ it "should return true if an IPv4 address" do
+ result = scope.function_is_ip_address(["1.2.3.4"])
+ expect(result).to(eq(true))
+ end
+
+ it "should return true if a full IPv6 address" do
+ result = scope.function_is_ip_address(["fe80:0000:cd12:d123:e2f8:47ff:fe09:dd74"])
+ expect(result).to(eq(true))
+ end
+
+ it "should return true if a compressed IPv6 address" do
+ result = scope.function_is_ip_address(["fe00::1"])
+ expect(result).to(eq(true))
+ end
+
+ it "should return false if not valid" do
+ result = scope.function_is_ip_address(["asdf"])
+ expect(result).to(eq(false))
+ end
+
+ it "should return false if IP octets out of range" do
+ result = scope.function_is_ip_address(["1.1.1.300"])
+ expect(result).to(eq(false))
+ end
+end