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#! /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
it "should accept objects which extend String" do
class AlsoString < String
end
value = AlsoString.new('asdf')
result = scope.function_shuffle([value])
result.size.should(eq(4))
end
end
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