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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the keys function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
expect(Puppet::Parser::Functions.function("keys")).to eq("function_keys")
end
it "should raise a ParseError if there is less than 1 arguments" do
expect { scope.function_keys([]) }.to( raise_error(Puppet::ParseError))
end
it "should return an array of keys when given a hash" do
result = scope.function_keys([{'a'=>1, 'b'=>2}])
# =~ performs 'array with same elements' (set) matching
# For more info see RSpec::Matchers::MatchArray
expect(result).to match_array(['a','b'])
end
end
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