-#! /usr/bin/env ruby -S rspec
require 'spec_helper'
-describe "the parseyaml function" do
- let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+describe 'parseyaml' do
+ it 'exists' do
+ is_expected.not_to eq(nil)
+ end
+
+ it 'raises an error if called without any arguments' do
+ is_expected.to run.with_params
+ .and_raise_error(%r{wrong number of arguments}i)
+ end
+
+ context 'with correct YAML data' do
+ it 'is able to parse a YAML data with a String' do
+ actual_array = ['--- just a string', 'just a string']
+ actual_array.each do |actual|
+ is_expected.to run.with_params(actual).and_return('just a string')
+ end
+ end
+
+ it 'is able to parse YAML data with a Hash' do
+ is_expected.to run.with_params("---\na: '1'\nb: '2'\n")
+ .and_return('a' => '1', 'b' => '2')
+ end
- it "should exist" do
- expect(Puppet::Parser::Functions.function("parseyaml")).to eq("function_parseyaml")
+ it 'is able to parse YAML data with an Array' do
+ is_expected.to run.with_params("---\n- a\n- b\n- c\n")
+ .and_return(['a', 'b', 'c'])
+ end
+
+ it 'is able to parse YAML data with a mixed structure' do
+ is_expected.to run.with_params("---\na: '1'\nb: 2\nc:\n d:\n - :a\n - true\n - false\n")
+ .and_return('a' => '1', 'b' => 2, 'c' => { 'd' => [:a, true, false] })
+ end
+
+ it 'is able to parse YAML data with a UTF8 and double byte characters' do
+ is_expected.to run.with_params("---\na: ×\nこれ: 記号\nです:\n ©:\n - Á\n - ß\n")
+ .and_return('a' => '×', 'これ' => '記号', 'です' => { '©' => ['Á', 'ß'] })
+ end
+
+ it 'does not return the default value if the data was parsed correctly' do
+ is_expected.to run.with_params("---\na: '1'\n", 'default_value')
+ .and_return('a' => '1')
+ end
end
- it "should raise a ParseError if there is less than 1 arguments" do
- expect { scope.function_parseyaml([]) }.to( raise_error(Puppet::ParseError))
+ it 'raises an error with invalid YAML and no default' do
+ is_expected.to run.with_params('["one"')
+ .and_raise_error(Psych::SyntaxError)
end
- it "should convert YAML to a data structure" do
- yaml = <<-EOS
-- aaa
-- bbb
-- ccc
-EOS
- result = scope.function_parseyaml([yaml])
- expect(result).to(eq(['aaa','bbb','ccc']))
+ context 'with incorrect YAML data' do
+ it 'supports a structure for a default value' do
+ is_expected.to run.with_params('', 'a' => '1')
+ .and_return('a' => '1')
+ end
+
+ [1, 1.2, nil, true, false, [], {}, :yaml].each do |value|
+ it "should return the default value for an incorrect #{value.inspect} (#{value.class}) parameter" do
+ is_expected.to run.with_params(value, 'default_value')
+ .and_return('default_value')
+ end
+ end
+
+ context 'when running on modern rubies' do
+ ['---', '...', '*8', ''].each do |value|
+ it "should return the default value for an incorrect #{value.inspect} string parameter" do
+ is_expected.to run.with_params(value, 'default_value')
+ .and_return('default_value')
+ end
+ end
+ end
end
end