require 'spec_helper' 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 '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(%w[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' => { '©' => %w[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 context 'on a modern ruby', :unless => RUBY_VERSION == '1.8.7' do it 'raises an error with invalid YAML and no default' do is_expected.to run.with_params('["one"') .and_raise_error(Psych::SyntaxError) end end context 'when running on ruby 1.8.7, which does not have Psych', :if => RUBY_VERSION == '1.8.7' do it 'raises an error with invalid YAML and no default' do is_expected.to run.with_params('["one"') .and_raise_error(ArgumentError) end end 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', :unless => RUBY_VERSION == '1.8.7' 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