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require 'spec_helper'
require 'puppet_spec/compiler'
require 'matchers/resource'
describe 'the then function' do
include PuppetSpec::Compiler
include Matchers::Resource
it 'calls a lambda passing one argument' do
expect(compile_to_catalog("then(testing) |$x| { notify { $x: } }")).to have_resource('Notify[testing]')
end
it 'produces what lambda returns if value is not undef' do
expect(compile_to_catalog("notify{ then(1) |$x| { testing }: }")).to have_resource('Notify[testing]')
end
it 'does not call lambda if argument is undef' do
expect(compile_to_catalog('then(undef) |$x| { notify { "failed": } }')).to_not have_resource('Notify[failed]')
end
it 'produces undef if given value is undef' do
expect(compile_to_catalog(<<-SOURCE)).to have_resource('Notify[test-Undef-ing]')
notify{ "test-${type(then(undef) |$x| { testing })}-ing": }
SOURCE
end
it 'errors when lambda wants too many args' do
expect do
compile_to_catalog('then(1) |$x, $y| { }')
end.to raise_error(/'then' block expects 1 argument, got 2/m)
end
it 'errors when lambda wants too few args' do
expect do
compile_to_catalog('then(1) || { }')
end.to raise_error(/'then' block expects 1 argument, got none/m)
end
end
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