spec/functions/shuffle_spec.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

#! /usr/bin/env ruby -S rspec
require 'spec_helper'

describe "the shuffle function" do
  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }

  it "should exist" do
    expect(Puppet::Parser::Functions.function("shuffle")).to eq("function_shuffle")
  end

  it "should raise a ParseError if there is less than 1 arguments" do
    expect { scope.function_shuffle([]) }.to( raise_error(Puppet::ParseError))
  end

  it "should shuffle a string and the result should be the same size" do
    result = scope.function_shuffle(["asdf"])
    expect(result.size).to(eq(4))
  end

  it "should shuffle a string but the sorted contents should still be the same" do
    result = scope.function_shuffle(["adfs"])
    expect(result.split("").sort.join("")).to(eq("adfs"))
  end
end