7c20aec42c96026712e335b091122edad9cc33d4
[mirror/dsa-puppet.git] / 3rdparty / modules / stdlib / spec / functions / delete_at_spec.rb
1 #! /usr/bin/env ruby -S rspec
2 require 'spec_helper'
3
4 describe "the delete_at function" do
5   let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
6
7   it "should exist" do
8     expect(Puppet::Parser::Functions.function("delete_at")).to eq("function_delete_at")
9   end
10
11   it "should raise a ParseError if there is less than 1 arguments" do
12     expect { scope.function_delete_at([]) }.to( raise_error(Puppet::ParseError))
13   end
14
15   it "should delete an item at specified location from an array" do
16     result = scope.function_delete_at([['a','b','c'],1])
17     expect(result).to(eq(['a','c']))
18   end
19
20   it "should not change origin array passed as argument" do
21     origin_array = ['a','b','c','d']
22     result = scope.function_delete_at([origin_array, 1])
23     expect(origin_array).to(eq(['a','b','c','d']))
24   end
25 end