#! /usr/bin/env ruby -S rspec require 'spec_helper' describe "the fqdn_rotate function" do let(:scope) { PuppetlabsSpec::PuppetInternals.scope } it "should exist" do Puppet::Parser::Functions.function("fqdn_rotate").should == "function_fqdn_rotate" end it "should raise a ParseError if there is less than 1 arguments" do lambda { scope.function_fqdn_rotate([]) }.should( raise_error(Puppet::ParseError)) end it "should rotate a string and the result should be the same size" do scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1") result = scope.function_fqdn_rotate(["asdf"]) result.size.should(eq(4)) end it "should rotate a string to give the same results for one host" do scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1").twice scope.function_fqdn_rotate(["abcdefg"]).should eql(scope.function_fqdn_rotate(["abcdefg"])) end it "should rotate a string to give different values on different hosts" do scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1") val1 = scope.function_fqdn_rotate(["abcdefghijklmnopqrstuvwxyz01234567890987654321"]) scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.2") val2 = scope.function_fqdn_rotate(["abcdefghijklmnopqrstuvwxyz01234567890987654321"]) val1.should_not eql(val2) end end