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 |
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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 |
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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)
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