3 describe 'parseyaml' do
5 is_expected.not_to eq(nil)
8 it 'raises an error if called without any arguments' do
9 is_expected.to run.with_params
10 .and_raise_error(%r{wrong number of arguments}i)
13 context 'with correct YAML data' do
14 it 'is able to parse a YAML data with a String' do
15 actual_array = ['--- just a string', 'just a string']
16 actual_array.each do |actual|
17 is_expected.to run.with_params(actual).and_return('just a string')
21 it 'is able to parse YAML data with a Hash' do
22 is_expected.to run.with_params("---\na: '1'\nb: '2'\n")
23 .and_return('a' => '1', 'b' => '2')
26 it 'is able to parse YAML data with an Array' do
27 is_expected.to run.with_params("---\n- a\n- b\n- c\n")
28 .and_return(['a', 'b', 'c'])
31 it 'is able to parse YAML data with a mixed structure' do
32 is_expected.to run.with_params("---\na: '1'\nb: 2\nc:\n d:\n - :a\n - true\n - false\n")
33 .and_return('a' => '1', 'b' => 2, 'c' => { 'd' => [:a, true, false] })
36 it 'is able to parse YAML data with a UTF8 and double byte characters' do
37 is_expected.to run.with_params("---\na: ×\nこれ: 記号\nです:\n ©:\n - Á\n - ß\n")
38 .and_return('a' => '×', 'これ' => '記号', 'です' => { '©' => ['Á', 'ß'] })
41 it 'does not return the default value if the data was parsed correctly' do
42 is_expected.to run.with_params("---\na: '1'\n", 'default_value')
43 .and_return('a' => '1')
47 it 'raises an error with invalid YAML and no default' do
48 is_expected.to run.with_params('["one"')
49 .and_raise_error(Psych::SyntaxError)
52 context 'with incorrect YAML data' do
53 it 'supports a structure for a default value' do
54 is_expected.to run.with_params('', 'a' => '1')
55 .and_return('a' => '1')
58 [1, 1.2, nil, true, false, [], {}, :yaml].each do |value|
59 it "should return the default value for an incorrect #{value.inspect} (#{value.class}) parameter" do
60 is_expected.to run.with_params(value, 'default_value')
61 .and_return('default_value')
65 context 'when running on modern rubies' do
66 ['---', '...', '*8', ''].each do |value|
67 it "should return the default value for an incorrect #{value.inspect} string parameter" do
68 is_expected.to run.with_params(value, 'default_value')
69 .and_return('default_value')