From 823a352f0f47d4481844bb6b6a6c00224ed556b8 Mon Sep 17 00:00:00 2001 From: Dmitry Ilyin Date: Tue, 1 Sep 2015 21:39:16 +0300 Subject: Add a new function "try_get_value" * Extracts a value from a deeply-nested data structure * Returns default if a value could not be extracted --- spec/acceptance/try_get_value_spec.rb | 47 +++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100755 spec/acceptance/try_get_value_spec.rb (limited to 'spec/acceptance') diff --git a/spec/acceptance/try_get_value_spec.rb b/spec/acceptance/try_get_value_spec.rb new file mode 100755 index 0000000..46b1c4d --- /dev/null +++ b/spec/acceptance/try_get_value_spec.rb @@ -0,0 +1,47 @@ +#! /usr/bin/env ruby -S rspec +require 'spec_helper_acceptance' + +describe 'try_get_value function', :unless => UNSUPPORTED_PLATFORMS.include?(fact('operatingsystem')) do + describe 'success' do + it 'try_get_valuees a value' do + pp = <<-EOS + $data = { + 'a' => { 'b' => 'passing'} + } + + $tests = try_get_value($a, 'a/b') + notice(inline_template('tests are <%= @tests.inspect %>')) + EOS + + apply_manifest(pp, :catch_failures => true) do |r| + expect(r.stdout).to match(/tests are "passing"/) + end + end + end + describe 'failure' do + it 'uses a default value' do + pp = <<-EOS + $data = { + 'a' => { 'b' => 'passing'} + } + + $tests = try_get_value($a, 'c/d', 'using the default value') + notice(inline_template('tests are <%= @tests.inspect %>')) + EOS + + apply_manifest(pp, :expect_failures => true) do |r| + expect(r.stdout).to match(/using the default value/) + end + end + + it 'raises error on incorrect number of arguments' do + pp = <<-EOS + $o = try_get_value() + EOS + + apply_manifest(pp, :expect_failures => true) do |r| + expect(r.stderr).to match(/wrong number of arguments/i) + end + end + end +end -- cgit v1.2.3