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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
Puppet::Parser::Functions.function("difference").should == "function_difference"
end
it "should raise a ParseError if there are fewer than 2 arguments" do
lambda { scope.function_difference([]) }.should( raise_error(Puppet::ParseError) )
end
it "should return the difference between two arrays" do
result = scope.function_difference([["a","b","c"],["b","c","d"]])
result.should(eq(["a"]))
end
end
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