--- /dev/null
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the values_at function" do
+ before :all do
+ Puppet::Parser::Functions.autoloader.loadall
+ end
+
+ before :each do
+ @scope = Puppet::Parser::Scope.new
+ end
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("values_at").should == "function_values_at"
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ lambda { @scope.function_values_at([]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should raise a ParseError if you try to use a range where stop is greater then start" do
+ lambda { @scope.function_values_at([['a','b'],["3-1"]]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should return a value at from an array" do
+ result = @scope.function_values_at([['a','b','c'],"1"])
+ result.should(eq(['b']))
+ end
+
+ it "should return a value at from an array when passed a range" do
+ result = @scope.function_values_at([['a','b','c'],"0-1"])
+ result.should(eq(['a','b']))
+ end
+
+ it "should return chosen values from an array when passed number of indexes" do
+ result = @scope.function_values_at([['a','b','c'],["0","2"]])
+ result.should(eq(['a','c']))
+ end
+
+ it "should return chosen values from an array when passed ranges and multiple indexes" do
+ result = @scope.function_values_at([['a','b','c','d','e','f','g'],["0","2","4-5"]])
+ result.should(eq(['a','c','e','f']))
+ end
+
+end