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115 lines
3.2 KiB
Python
115 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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'''
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Unit tests for salt.utils.yamlloader.SaltYamlSafeLoader
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'''
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# Import python libs
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from __future__ import absolute_import
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import textwrap
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# Import Salt Libs
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from yaml.constructor import ConstructorError
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from salt.utils.yamlloader import SaltYamlSafeLoader
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import salt.utils
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# Import Salt Testing Libs
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from tests.support.unit import TestCase, skipIf
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from tests.support.mock import patch, NO_MOCK, NO_MOCK_REASON, mock_open
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@skipIf(NO_MOCK, NO_MOCK_REASON)
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class YamlLoaderTestCase(TestCase):
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'''
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TestCase for salt.utils.yamlloader module
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'''
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@staticmethod
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def _render_yaml(data):
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'''
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Takes a YAML string, puts it into a mock file, passes that to the YAML
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SaltYamlSafeLoader and then returns the rendered/parsed YAML data
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'''
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with patch('salt.utils.fopen', mock_open(read_data=data)) as mocked_file:
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with salt.utils.fopen(mocked_file) as mocked_stream:
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return SaltYamlSafeLoader(mocked_stream).get_data()
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def test_yaml_basics(self):
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'''
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Test parsing an ordinary path
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'''
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self.assertEqual(
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self._render_yaml(textwrap.dedent('''\
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p1:
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- alpha
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- beta''')),
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{'p1': ['alpha', 'beta']}
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)
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def test_yaml_merge(self):
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'''
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Test YAML anchors
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'''
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# Simple merge test
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self.assertEqual(
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self._render_yaml(textwrap.dedent('''\
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p1: &p1
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v1: alpha
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p2:
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<<: *p1
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v2: beta''')),
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{'p1': {'v1': 'alpha'}, 'p2': {'v1': 'alpha', 'v2': 'beta'}}
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)
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# Test that keys/nodes are overwritten
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self.assertEqual(
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self._render_yaml(textwrap.dedent('''\
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p1: &p1
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v1: alpha
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p2:
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<<: *p1
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v1: new_alpha''')),
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{'p1': {'v1': 'alpha'}, 'p2': {'v1': 'new_alpha'}}
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)
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# Test merging of lists
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self.assertEqual(
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self._render_yaml(textwrap.dedent('''\
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p1: &p1
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v1: &v1
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- t1
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- t2
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p2:
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v2: *v1''')),
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{"p2": {"v2": ["t1", "t2"]}, "p1": {"v1": ["t1", "t2"]}}
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)
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def test_yaml_duplicates(self):
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'''
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Test that duplicates still throw an error
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'''
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with self.assertRaises(ConstructorError):
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self._render_yaml(textwrap.dedent('''\
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p1: alpha
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p1: beta'''))
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with self.assertRaises(ConstructorError):
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self._render_yaml(textwrap.dedent('''\
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p1: &p1
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v1: alpha
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p2:
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<<: *p1
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v2: beta
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v2: betabeta'''))
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def test_yaml_with_unicode_literals(self):
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'''
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Test proper loading of unicode literals
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'''
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self.assertEqual(
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self._render_yaml(textwrap.dedent('''\
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foo:
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a: Д
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b: {'a': u'\\u0414'}''')),
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{'foo': {'a': u'\u0414', 'b': {'a': u'\u0414'}}}
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)
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