root/other-projects/hathitrust/vagrant-solr-cluster/trunk/modules/stdlib/spec/functions/parseyaml_spec.rb @ 30960

Revision 30960, 2.9 KB (checked in by davidb, 3 years ago)

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1require 'spec_helper'
2
3describe 'parseyaml' do
4  it 'should exist' do
5    is_expected.not_to eq(nil)
6  end
7
8  it 'should raise an error if called without any arguments' do
9    is_expected.to run.with_params().
10                       and_raise_error(/wrong number of arguments/i)
11  end
12
13  context 'with correct YAML data' do
14    it 'should be able to parse a YAML data with a String' do
15      is_expected.to run.with_params('--- just a string').
16                         and_return('just a string')
17      is_expected.to run.with_params('just a string').
18                         and_return('just a string')
19    end
20
21    it 'should be able to parse a 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'})
24    end
25
26    it 'should be able to parse a 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'])
29    end
30
31    it 'should be able to parse a 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]}})
34    end
35
36    it 'should not return the default value if the data was parsed correctly' do
37      is_expected.to run.with_params("---\na: '1'\n", 'default_value').
38                         and_return({'a' => '1'})
39    end
40
41  end
42
43  context 'on a modern ruby', :unless => RUBY_VERSION == '1.8.7' do
44    it 'should raise an error with invalid YAML and no default' do
45      is_expected.to run.with_params('["one"').
46                         and_raise_error(Psych::SyntaxError)
47    end
48  end
49
50    context 'when running on ruby 1.8.7, which does not have Psych', :if => RUBY_VERSION == '1.8.7' do
51      it 'should raise an error with invalid YAML and no default' do
52        is_expected.to run.with_params('["one"').
53          and_raise_error(ArgumentError)
54      end
55    end
56
57  context 'with incorrect YAML data' do
58    it 'should support a structure for a default value' do
59      is_expected.to run.with_params('', {'a' => '1'}).
60                         and_return({'a' => '1'})
61    end
62
63    [1, 1.2, nil, true, false, [], {}, :yaml].each do |value|
64      it "should return the default value for an incorrect #{value.inspect} (#{value.class}) parameter" do
65        is_expected.to run.with_params(value, 'default_value').
66                           and_return('default_value')
67      end
68    end
69
70    context 'when running on modern rubies', :unless => RUBY_VERSION == '1.8.7' do
71      ['---', '...', '*8', ''].each do |value|
72        it "should return the default value for an incorrect #{value.inspect} string parameter" do
73          is_expected.to run.with_params(value, 'default_value').
74                             and_return('default_value')
75        end
76      end
77    end
78
79  end
80
81end
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