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require 'spec_helper'
require 'puppet_spec/compiler'
require 'matchers/resource'
describe 'the scanf function' do
include PuppetSpec::Compiler
include Matchers::Resource
it 'scans a value and returns an array' do
expect(compile_to_catalog("$x = '42'.scanf('%i')[0] + 1; notify { \"test$x\": }")).to have_resource('Notify[test43]')
end
it 'scans a value and returns result of a code block' do
expect(compile_to_catalog("$x = '42'.scanf('%i')|$x|{$x[0]} + 1; notify { \"test$x\": }")).to have_resource('Notify[test43]')
end
it 'returns empty array if nothing was scanned' do
expect(compile_to_catalog("$x = 'no'.scanf('%i')[0]; notify { \"test${x}test\": }")).to have_resource('Notify[testtest]')
end
it 'produces result up to first unsuccessful scan' do
expect(compile_to_catalog("$x = '42 no'.scanf('%i'); notify { \"test${x[0]}${x[1]}test\": }")).to have_resource('Notify[test42test]')
end
it 'errors when not given enough arguments' do
expect do
compile_to_catalog("'42'.scanf()")
end.to raise_error(/'scanf' expects 2 arguments, got 1/)
end
end
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