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#!/usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the pick function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
Puppet::Parser::Functions.function("pick").should == "function_pick"
end
it 'should return the correct value' do
scope.function_pick(['first', 'second']).should == 'first'
end
it 'should return the correct value if the first value is empty' do
scope.function_pick(['', 'second']).should == 'second'
end
it 'should remove empty string values' do
scope.function_pick(['', 'first']).should == 'first'
end
it 'should remove :undef values' do
scope.function_pick([:undef, 'first']).should == 'first'
end
it 'should remove :undefined values' do
scope.function_pick([:undefined, 'first']).should == 'first'
end
it 'should error if no values are passed' do
expect { scope.function_pick([]) }.to( raise_error(Puppet::ParseError, "pick(): must receive at least one non empty value"))
end
end
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