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 | def roundtrip(self, data):
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38 | text = self.dump_s(data)
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39 | print '\n=== Begin ===\n%s\n=== End ===' % text
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40 | self.assertEqual(self.load_s(text), data)
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41 |
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42 | def dump_s(self, data):
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43 | return dump_s(data)
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44 |
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45 | def load_s(self, text):
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46 | return load_s(text)
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47 |
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48 | def test_simple_dict(self):
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49 | self.roundtrip({'foo': 'bar'})
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50 |
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51 | def test_dict_of_dicts(self):
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52 | self.roundtrip({'foo': {'bar': 'baz'}})
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53 |
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54 | def test_dict_tree(self):
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55 | self.roundtrip({
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56 | 'foo': {
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57 | 'bar': {
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58 | 'baz': 'qux'
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59 | },
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60 | 'quux': 'corge',
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61 | }
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62 | })
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63 |
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64 | def test_dict_list(self):
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65 | self.roundtrip({
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66 | 'foo': ['bar', 'baz'],
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67 | })
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68 |
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69 | def test_nested_lists(self):
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70 | self.roundtrip({
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71 | 'foo': [['bar', 'baz', 'qux'], 'quux'],
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72 | })
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73 |
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74 | def test_list_of_dicts(self):
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75 | self.roundtrip({
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76 | 'foo': [
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77 | {'bar': 'baz'},
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78 | {'qux': 'quux'},
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79 | ],
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80 | })
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81 |
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82 | def test_quoted(self):
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83 | # a literal true is True, but 'true' is a string
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84 | self.roundtrip({'foo': 'true'})
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85 |
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86 | def test_literals(self):
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87 | self.roundtrip({'foo': [True, False, None]})
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88 |
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89 | def test_numeric(self):
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90 | self.roundtrip({'foo': [1, 2.0, -1, -2.5]})
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91 |
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92 |
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93 | class TestFromPyYAML(TestRoundTrip):
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94 | def dump_s(self, data):
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95 | if yaml is None:
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96 | raise SkipTest('yaml module unavailable')
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97 | return yaml.dump(data, default_flow_style=False)
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98 |
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99 |
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100 | class TestToPyYAML(TestRoundTrip):
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101 | def load_s(self, text):
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102 | if yaml is None:
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103 | raise SkipTest('yaml module unavailable')
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104 | return yaml.load(text)
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