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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the unique function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
expect(Puppet::Parser::Functions.function("unique")).to eq("function_unique")
end
it "should raise a ParseError if there is less than 1 arguments" do
expect { scope.function_unique([]) }.to( raise_error(Puppet::ParseError))
end
it "should remove duplicate elements in a string" do
result = scope.function_unique(["aabbc"])
expect(result).to(eq('abc'))
end
it "should remove duplicate elements in an array" do
result = scope.function_unique([["a","a","b","b","c"]])
expect(result).to(eq(['a','b','c']))
end
it "should accept objects which extend String" do
class AlsoString < String
end
value = AlsoString.new('aabbc')
result = scope.function_unique([value])
result.should(eq('abc'))
end
end
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