mirror of
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427 lines
18 KiB
Python
427 lines
18 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from jinja2.runtime import Context
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from units.compat import unittest
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from units.compat.mock import patch
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from ansible import constants as C
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from ansible.errors import AnsibleError, AnsibleUndefinedVariable
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from ansible.module_utils.six import string_types
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from ansible.template import Templar, AnsibleContext, AnsibleEnvironment
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from ansible.utils.unsafe_proxy import AnsibleUnsafe, wrap_var
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from units.mock.loader import DictDataLoader
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class BaseTemplar(object):
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def setUp(self):
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self.test_vars = dict(
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foo="bar",
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bam="{{foo}}",
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num=1,
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var_true=True,
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var_false=False,
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var_dict=dict(a="b"),
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bad_dict="{a='b'",
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var_list=[1],
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recursive="{{recursive}}",
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some_var="blip",
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some_static_var="static_blip",
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some_keyword="{{ foo }}",
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some_unsafe_var=wrap_var("unsafe_blip"),
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some_static_unsafe_var=wrap_var("static_unsafe_blip"),
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some_unsafe_keyword=wrap_var("{{ foo }}"),
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str_with_error="{{ 'str' | from_json }}",
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)
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self.fake_loader = DictDataLoader({
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"/path/to/my_file.txt": "foo\n",
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})
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self.templar = Templar(loader=self.fake_loader, variables=self.test_vars)
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def is_unsafe(self, obj):
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if obj is None:
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return False
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if hasattr(obj, '__UNSAFE__'):
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return True
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if isinstance(obj, AnsibleUnsafe):
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return True
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if isinstance(obj, dict):
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for key in obj.keys():
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if self.is_unsafe(key) or self.is_unsafe(obj[key]):
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return True
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if isinstance(obj, list):
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for item in obj:
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if self.is_unsafe(item):
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return True
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if isinstance(obj, string_types) and hasattr(obj, '__UNSAFE__'):
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return True
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return False
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# class used for testing arbitrary objects passed to template
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class SomeClass(object):
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foo = 'bar'
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def __init__(self):
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self.blip = 'blip'
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class SomeUnsafeClass(AnsibleUnsafe):
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def __init__(self):
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super(SomeUnsafeClass, self).__init__()
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self.blip = 'unsafe blip'
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class TestTemplarTemplate(BaseTemplar, unittest.TestCase):
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def test_lookup_jinja_dict_key_in_static_vars(self):
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res = self.templar.template("{'some_static_var': '{{ some_var }}'}",
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static_vars=['some_static_var'])
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# self.assertEqual(res['{{ a_keyword }}'], "blip")
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print(res)
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def test_is_template_true(self):
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tests = [
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'{{ foo }}',
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'{% foo %}',
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'{# foo #}',
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'{# {{ foo }} #}',
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'{# {{ nothing }} {# #}',
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'{# {{ nothing }} {# #} #}',
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'{% raw %}{{ foo }}{% endraw %}',
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]
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for test in tests:
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self.assertTrue(self.templar.is_template(test))
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def test_is_template_false(self):
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tests = [
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'foo',
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'{{ foo',
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'{% foo',
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'{# foo',
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'{{ foo %}',
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'{{ foo #}',
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'{% foo }}',
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'{% foo #}',
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'{# foo %}',
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'{# foo }}',
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'{{ foo {{',
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'{% raw %}{% foo %}',
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]
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for test in tests:
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self.assertFalse(self.templar.is_template(test))
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def test_is_template_raw_string(self):
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res = self.templar.is_template('foo')
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self.assertFalse(res)
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def test_is_template_none(self):
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res = self.templar.is_template(None)
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self.assertFalse(res)
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def test_template_convert_bare_string(self):
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res = self.templar.template('foo', convert_bare=True)
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self.assertEqual(res, 'bar')
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def test_template_convert_bare_nested(self):
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res = self.templar.template('bam', convert_bare=True)
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self.assertEqual(res, 'bar')
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def test_template_convert_bare_unsafe(self):
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res = self.templar.template('some_unsafe_var', convert_bare=True)
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self.assertEqual(res, 'unsafe_blip')
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# self.assertIsInstance(res, AnsibleUnsafe)
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self.assertTrue(self.is_unsafe(res), 'returned value from template.template (%s) is not marked unsafe' % res)
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def test_template_convert_bare_filter(self):
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res = self.templar.template('bam|capitalize', convert_bare=True)
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self.assertEqual(res, 'Bar')
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def test_template_convert_bare_filter_unsafe(self):
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res = self.templar.template('some_unsafe_var|capitalize', convert_bare=True)
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self.assertEqual(res, 'Unsafe_blip')
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# self.assertIsInstance(res, AnsibleUnsafe)
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self.assertTrue(self.is_unsafe(res), 'returned value from template.template (%s) is not marked unsafe' % res)
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def test_template_convert_data(self):
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res = self.templar.template('{{foo}}', convert_data=True)
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self.assertTrue(res)
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self.assertEqual(res, 'bar')
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@patch('ansible.template.safe_eval', side_effect=AnsibleError)
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def test_template_convert_data_template_in_data(self, mock_safe_eval):
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res = self.templar.template('{{bam}}', convert_data=True)
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self.assertTrue(res)
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self.assertEqual(res, 'bar')
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def test_template_convert_data_bare(self):
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res = self.templar.template('bam', convert_data=True)
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self.assertTrue(res)
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self.assertEqual(res, 'bam')
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def test_template_convert_data_to_json(self):
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res = self.templar.template('{{bam|to_json}}', convert_data=True)
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self.assertTrue(res)
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self.assertEqual(res, '"bar"')
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def test_template_convert_data_convert_bare_data_bare(self):
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res = self.templar.template('bam', convert_data=True, convert_bare=True)
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self.assertTrue(res)
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self.assertEqual(res, 'bar')
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def test_template_unsafe_non_string(self):
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unsafe_obj = AnsibleUnsafe()
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res = self.templar.template(unsafe_obj)
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self.assertTrue(self.is_unsafe(res), 'returned value from template.template (%s) is not marked unsafe' % res)
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def test_template_unsafe_non_string_subclass(self):
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unsafe_obj = SomeUnsafeClass()
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res = self.templar.template(unsafe_obj)
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self.assertTrue(self.is_unsafe(res), 'returned value from template.template (%s) is not marked unsafe' % res)
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def test_weird(self):
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data = u'''1 2 #}huh{# %}ddfg{% }}dfdfg{{ {%what%} {{#foo#}} {%{bar}%} {#%blip%#} {{asdfsd%} 3 4 {{foo}} 5 6 7'''
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self.assertRaisesRegexp(AnsibleError,
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'template error while templating string',
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self.templar.template,
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data)
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def test_template_with_error(self):
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"""Check that AnsibleError is raised, fail if an unhandled exception is raised"""
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self.assertRaises(AnsibleError, self.templar.template, "{{ str_with_error }}")
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class TestTemplarMisc(BaseTemplar, unittest.TestCase):
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def test_templar_simple(self):
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templar = self.templar
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# test some basic templating
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self.assertEqual(templar.template("{{foo}}"), "bar")
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self.assertEqual(templar.template("{{foo}}\n"), "bar\n")
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self.assertEqual(templar.template("{{foo}}\n", preserve_trailing_newlines=True), "bar\n")
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self.assertEqual(templar.template("{{foo}}\n", preserve_trailing_newlines=False), "bar")
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self.assertEqual(templar.template("{{bam}}"), "bar")
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self.assertEqual(templar.template("{{num}}"), 1)
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self.assertEqual(templar.template("{{var_true}}"), True)
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self.assertEqual(templar.template("{{var_false}}"), False)
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self.assertEqual(templar.template("{{var_dict}}"), dict(a="b"))
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self.assertEqual(templar.template("{{bad_dict}}"), "{a='b'")
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self.assertEqual(templar.template("{{var_list}}"), [1])
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self.assertEqual(templar.template(1, convert_bare=True), 1)
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# force errors
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self.assertRaises(AnsibleUndefinedVariable, templar.template, "{{bad_var}}")
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self.assertRaises(AnsibleUndefinedVariable, templar.template, "{{lookup('file', bad_var)}}")
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self.assertRaises(AnsibleError, templar.template, "{{lookup('bad_lookup')}}")
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self.assertRaises(AnsibleError, templar.template, "{{recursive}}")
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self.assertRaises(AnsibleUndefinedVariable, templar.template, "{{foo-bar}}")
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# test with fail_on_undefined=False
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self.assertEqual(templar.template("{{bad_var}}", fail_on_undefined=False), "{{bad_var}}")
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# test setting available_variables
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templar.available_variables = dict(foo="bam")
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self.assertEqual(templar.template("{{foo}}"), "bam")
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# variables must be a dict() for available_variables setter
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# FIXME Use assertRaises() as a context manager (added in 2.7) once we do not run tests on Python 2.6 anymore.
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try:
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templar.available_variables = "foo=bam"
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except AssertionError as e:
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pass
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except Exception:
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self.fail(e)
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def test_templar_escape_backslashes(self):
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# Rule of thumb: If escape backslashes is True you should end up with
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# the same number of backslashes as when you started.
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self.assertEqual(self.templar.template("\t{{foo}}", escape_backslashes=True), "\tbar")
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self.assertEqual(self.templar.template("\t{{foo}}", escape_backslashes=False), "\tbar")
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self.assertEqual(self.templar.template("\\{{foo}}", escape_backslashes=True), "\\bar")
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self.assertEqual(self.templar.template("\\{{foo}}", escape_backslashes=False), "\\bar")
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self.assertEqual(self.templar.template("\\{{foo + '\t' }}", escape_backslashes=True), "\\bar\t")
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self.assertEqual(self.templar.template("\\{{foo + '\t' }}", escape_backslashes=False), "\\bar\t")
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self.assertEqual(self.templar.template("\\{{foo + '\\t' }}", escape_backslashes=True), "\\bar\\t")
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self.assertEqual(self.templar.template("\\{{foo + '\\t' }}", escape_backslashes=False), "\\bar\t")
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self.assertEqual(self.templar.template("\\{{foo + '\\\\t' }}", escape_backslashes=True), "\\bar\\\\t")
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self.assertEqual(self.templar.template("\\{{foo + '\\\\t' }}", escape_backslashes=False), "\\bar\\t")
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def test_template_jinja2_extensions(self):
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fake_loader = DictDataLoader({})
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templar = Templar(loader=fake_loader)
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old_exts = C.DEFAULT_JINJA2_EXTENSIONS
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try:
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C.DEFAULT_JINJA2_EXTENSIONS = "foo,bar"
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self.assertEqual(templar._get_extensions(), ['foo', 'bar'])
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finally:
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C.DEFAULT_JINJA2_EXTENSIONS = old_exts
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class TestTemplarLookup(BaseTemplar, unittest.TestCase):
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def test_lookup_missing_plugin(self):
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self.assertRaisesRegexp(AnsibleError,
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r'lookup plugin \(not_a_real_lookup_plugin\) not found',
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self.templar._lookup,
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'not_a_real_lookup_plugin',
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'an_arg', a_keyword_arg='a_keyword_arg_value')
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def test_lookup_list(self):
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res = self.templar._lookup('list', 'an_arg', 'another_arg')
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self.assertEqual(res, 'an_arg,another_arg')
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def test_lookup_jinja_undefined(self):
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self.assertRaisesRegexp(AnsibleUndefinedVariable,
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"'an_undefined_jinja_var' is undefined",
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self.templar._lookup,
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'list', '{{ an_undefined_jinja_var }}')
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def test_lookup_jinja_defined(self):
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res = self.templar._lookup('list', '{{ some_var }}')
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self.assertTrue(self.is_unsafe(res))
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# self.assertIsInstance(res, AnsibleUnsafe)
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def test_lookup_jinja_dict_string_passed(self):
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self.assertRaisesRegexp(AnsibleError,
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"with_dict expects a dict",
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self.templar._lookup,
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'dict',
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'{{ some_var }}')
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def test_lookup_jinja_dict_list_passed(self):
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self.assertRaisesRegexp(AnsibleError,
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"with_dict expects a dict",
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self.templar._lookup,
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'dict',
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['foo', 'bar'])
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def test_lookup_jinja_kwargs(self):
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res = self.templar._lookup('list', 'blip', random_keyword='12345')
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self.assertTrue(self.is_unsafe(res))
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# self.assertIsInstance(res, AnsibleUnsafe)
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def test_lookup_jinja_list_wantlist(self):
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res = self.templar._lookup('list', '{{ some_var }}', wantlist=True)
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self.assertEqual(res, ["blip"])
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def test_lookup_jinja_list_wantlist_undefined(self):
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self.assertRaisesRegexp(AnsibleUndefinedVariable,
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"'some_undefined_var' is undefined",
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self.templar._lookup,
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'list',
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'{{ some_undefined_var }}',
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wantlist=True)
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def test_lookup_jinja_list_wantlist_unsafe(self):
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res = self.templar._lookup('list', '{{ some_unsafe_var }}', wantlist=True)
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for lookup_result in res:
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self.assertTrue(self.is_unsafe(lookup_result))
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# self.assertIsInstance(lookup_result, AnsibleUnsafe)
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# Should this be an AnsibleUnsafe
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# self.assertIsInstance(res, AnsibleUnsafe)
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def test_lookup_jinja_dict(self):
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res = self.templar._lookup('list', {'{{ a_keyword }}': '{{ some_var }}'})
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self.assertEqual(res['{{ a_keyword }}'], "blip")
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# TODO: Should this be an AnsibleUnsafe
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# self.assertIsInstance(res['{{ a_keyword }}'], AnsibleUnsafe)
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# self.assertIsInstance(res, AnsibleUnsafe)
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def test_lookup_jinja_dict_unsafe(self):
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res = self.templar._lookup('list', {'{{ some_unsafe_key }}': '{{ some_unsafe_var }}'})
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self.assertTrue(self.is_unsafe(res['{{ some_unsafe_key }}']))
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# self.assertIsInstance(res['{{ some_unsafe_key }}'], AnsibleUnsafe)
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# TODO: Should this be an AnsibleUnsafe
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# self.assertIsInstance(res, AnsibleUnsafe)
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def test_lookup_jinja_dict_unsafe_value(self):
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res = self.templar._lookup('list', {'{{ a_keyword }}': '{{ some_unsafe_var }}'})
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self.assertTrue(self.is_unsafe(res['{{ a_keyword }}']))
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# self.assertIsInstance(res['{{ a_keyword }}'], AnsibleUnsafe)
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# TODO: Should this be an AnsibleUnsafe
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# self.assertIsInstance(res, AnsibleUnsafe)
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def test_lookup_jinja_none(self):
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res = self.templar._lookup('list', None)
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self.assertIsNone(res)
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class TestAnsibleContext(BaseTemplar, unittest.TestCase):
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def _context(self, variables=None):
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variables = variables or {}
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env = AnsibleEnvironment()
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context = AnsibleContext(env, parent={}, name='some_context',
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blocks={})
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for key, value in variables.items():
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context.vars[key] = value
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return context
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def test(self):
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context = self._context()
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self.assertIsInstance(context, AnsibleContext)
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self.assertIsInstance(context, Context)
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def test_resolve_unsafe(self):
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context = self._context(variables={'some_unsafe_key': wrap_var('some_unsafe_string')})
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res = context.resolve('some_unsafe_key')
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# self.assertIsInstance(res, AnsibleUnsafe)
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self.assertTrue(self.is_unsafe(res),
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'return of AnsibleContext.resolve (%s) was expected to be marked unsafe but was not' % res)
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def test_resolve_unsafe_list(self):
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context = self._context(variables={'some_unsafe_key': [wrap_var('some unsafe string 1')]})
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res = context.resolve('some_unsafe_key')
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# self.assertIsInstance(res[0], AnsibleUnsafe)
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self.assertTrue(self.is_unsafe(res),
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'return of AnsibleContext.resolve (%s) was expected to be marked unsafe but was not' % res)
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def test_resolve_unsafe_dict(self):
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context = self._context(variables={'some_unsafe_key':
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{'an_unsafe_dict': wrap_var('some unsafe string 1')}
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})
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res = context.resolve('some_unsafe_key')
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self.assertTrue(self.is_unsafe(res['an_unsafe_dict']),
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'return of AnsibleContext.resolve (%s) was expected to be marked unsafe but was not' % res['an_unsafe_dict'])
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def test_resolve(self):
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context = self._context(variables={'some_key': 'some_string'})
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res = context.resolve('some_key')
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self.assertEqual(res, 'some_string')
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# self.assertNotIsInstance(res, AnsibleUnsafe)
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self.assertFalse(self.is_unsafe(res),
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'return of AnsibleContext.resolve (%s) was not expected to be marked unsafe but was' % res)
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def test_resolve_none(self):
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context = self._context(variables={'some_key': None})
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res = context.resolve('some_key')
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self.assertEqual(res, None)
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# self.assertNotIsInstance(res, AnsibleUnsafe)
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self.assertFalse(self.is_unsafe(res),
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'return of AnsibleContext.resolve (%s) was not expected to be marked unsafe but was' % res)
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