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