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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the difference function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
expect(Puppet::Parser::Functions.function("difference")).to eq("function_difference")
end
it "should raise a ParseError if there are fewer than 2 arguments" do
expect { scope.function_difference([]) }.to( raise_error(Puppet::ParseError) )
end
it "should return the difference between two arrays" do
result = scope.function_difference([["a","b","c"],["b","c","d"]])
expect(result).to(eq(["a"]))
end
end
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