1 #! /usr/bin/env ruby -S rspec
4 describe "the values_at function" do
5 let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
8 expect(Puppet::Parser::Functions.function("values_at")).to eq("function_values_at")
11 it "should raise a ParseError if there is less than 1 arguments" do
12 expect { scope.function_values_at([]) }.to( raise_error(Puppet::ParseError))
15 it "should raise a ParseError if you try to use a range where stop is greater then start" do
16 expect { scope.function_values_at([['a','b'],["3-1"]]) }.to( raise_error(Puppet::ParseError))
19 it "should return a value at from an array" do
20 result = scope.function_values_at([['a','b','c'],"1"])
21 expect(result).to(eq(['b']))
24 it "should return a value at from an array when passed a range" do
25 result = scope.function_values_at([['a','b','c'],"0-1"])
26 expect(result).to(eq(['a','b']))
29 it "should return chosen values from an array when passed number of indexes" do
30 result = scope.function_values_at([['a','b','c'],["0","2"]])
31 expect(result).to(eq(['a','c']))
34 it "should return chosen values from an array when passed ranges and multiple indexes" do
35 result = scope.function_values_at([['a','b','c','d','e','f','g'],["0","2","4-5"]])
36 expect(result).to(eq(['a','c','e','f']))