Mercurial > nagslang

annotate nagslang/tests/test_yamlish.py @ 138:366b334a7018

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Render tuples to lists
author Stefano Rivera <stefano@rivera.za.net>
date Mon, 02 Sep 2013 18:12:42 +0200
parents c5ff16c66100
children 1d73867becbe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from unittest import TestCase
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2
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3 from nagslang.yamlish import load_s, dump_s
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4
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5 try:
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6 import yaml
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7 except ImportError:
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8 yaml = None # pyflakes:ignore
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9
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10 try:
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11 from unittest import SkipTest
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12 except ImportError:
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13 from pytest import skip
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14 SkipTest = skip.Exception # pyflakes:ignore
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15
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16
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17 class TestParse(TestCase):
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18 def assertParsesAs(self, text, expected):
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19 self.assertEqual(load_s(text.strip()), expected)
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20
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21 def test_dict_list_1(self):
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22 self.assertParsesAs('''
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23 foo:
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24 - bar
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25 - baz
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26 ''', {'foo': ['bar', 'baz']})
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27
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28 def test_dict_list_2(self):
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29 self.assertParsesAs('''
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30 foo:
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31 - bar
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32 - baz
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33 ''', {'foo': ['bar', 'baz']})
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34
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35
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36 class TestRoundTrip(TestCase):
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37 from_pyyaml = False
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38
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39 def roundtrip(self, data):
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40 text = self.dump_s(data)
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41 print '\n=== Begin ===\n%s\n=== End ===' % text
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42 self.assertEqual(self.load_s(text), data)
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43
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44 def dump_s(self, data):
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45 return dump_s(data)
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46
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47 def load_s(self, text):
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48 return load_s(text)
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49
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50 def test_simple_dict(self):
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51 self.roundtrip({'foo': 'bar'})
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52
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53 def test_simple_list(self):
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54 self.roundtrip(['foo', 'bar'])
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55
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56 def test_dict_of_dicts(self):
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57 self.roundtrip({'foo': {'bar': 'baz'}})
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58
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59 def test_dict_tree(self):
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60 self.roundtrip({
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61 'foo': {
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62 'bar': {
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63 'baz': 'qux'
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64 },
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65 'quux': 'corge',
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66 }
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67 })
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68
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69 def test_list_of_lists(self):
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70 self.roundtrip(['foo', ['bar', 'baz'], 'qux'])
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71
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72 def test_dict_list(self):
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73 self.roundtrip({
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74 'foo': ['bar', 'baz'],
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75 })
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76
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77 def test_list_dict(self):
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78 self.roundtrip([
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79 {'foo': 'bar'},
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80 {'baz': 'qux', 'quux': 'corge'},
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81 ])
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82
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83 def test_nested_lists(self):
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84 self.roundtrip({
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85 'foo': [['bar', 'baz', 'qux'], 'quux'],
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86 })
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87
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88 def test_list_of_dicts(self):
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89 self.roundtrip({
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90 'foo': [
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91 {'bar': 'baz'},
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92 {'qux': 'quux'},
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93 ],
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94 })
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95
136
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96 def test_int_dict(self):
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97 self.roundtrip({
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98 1: 'foo',
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99 2: 'bar',
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100 3: ['baz', 'qux'],
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101 })
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102
137
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103 def test_dict_keys(self):
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104 self.roundtrip({
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105 True: 'true',
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106 False: [],
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107 None: {},
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108 0.7: -0.7,
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109 })
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110
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111 def test_tuples(self):
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112 if self.from_pyyaml:
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113 raise SkipTest("Can't parse PyYAML tuples")
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114 orig = {
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115 'polygons': {
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116 1: [
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117 (0, 1),
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118 (2, 3),
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119 ],
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120 },
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121 }
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122 text = self.dump_s(orig)
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123 result = self.load_s(text)
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124 self.assertEqual(orig['polygons'][1][0],
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125 tuple(result['polygons'][1][0]))
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126 self.assertEqual(orig['polygons'][1][1],
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127 tuple(result['polygons'][1][1]))
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128
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129 def test_quoted(self):
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130 # a literal true is True, but 'true' is a string
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131 self.roundtrip({'foo': 'true'})
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132
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133 def test_literals(self):
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134 self.roundtrip({'foo': [True, False, None]})
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135
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136 def test_numeric(self):
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137 self.roundtrip({'foo': [1, 2.0, -1, -2.5]})
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138
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139 def test_inline(self):
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140 self.roundtrip([[1, 2, "hi, there' joe", '', "'"], [3, 4]])
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141
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142
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143 class TestFromPyYAML(TestRoundTrip):
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144 from_pyyaml = True
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145
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146 def dump_s(self, data):
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147 if yaml is None:
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148 raise SkipTest('yaml module unavailable')
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149 return yaml.dump(data, default_flow_style=False)
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150
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151
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152 class TestFromPyYAMLInlineLists(TestRoundTrip):
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153 from_pyyaml = True
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154
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155 def dump_s(self, data):
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156 if yaml is None:
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157 raise SkipTest('yaml module unavailable')
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158 return yaml.dump(data)
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159
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160
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161 class TestToPyYAML(TestRoundTrip):
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162 def load_s(self, text):
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163 if yaml is None:
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164 raise SkipTest('yaml module unavailable')
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165 return yaml.load(text)