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116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
# (c) 2015 Toshio Kuratomi <tkuratomi@ansible.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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from __future__ import annotations
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import jinja2
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import unittest
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from ansible.template import AnsibleUndefined, _escape_backslashes, _count_newlines_from_end
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# These are internal utility functions only needed for templating. They're
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# algorithmic so good candidates for unittesting by themselves
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class TestBackslashEscape(unittest.TestCase):
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test_data = (
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# Test backslashes in a filter arg are double escaped
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dict(
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template=u"{{ 'test2 %s' | format('\\1') }}",
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intermediate=u"{{ 'test2 %s' | format('\\\\1') }}",
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expectation=u"test2 \\1",
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args=dict()
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),
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# Test backslashes inside the jinja2 var itself are double
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# escaped
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dict(
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template=u"Test 2\\3: {{ '\\1 %s' | format('\\2') }}",
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intermediate=u"Test 2\\3: {{ '\\\\1 %s' | format('\\\\2') }}",
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expectation=u"Test 2\\3: \\1 \\2",
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args=dict()
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),
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# Test backslashes outside of the jinja2 var are not double
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# escaped
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dict(
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template=u"Test 2\\3: {{ 'test2 %s' | format('\\1') }}; \\done",
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intermediate=u"Test 2\\3: {{ 'test2 %s' | format('\\\\1') }}; \\done",
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expectation=u"Test 2\\3: test2 \\1; \\done",
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args=dict()
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),
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# Test backslashes in a variable sent to a filter are handled
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dict(
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template=u"{{ 'test2 %s' | format(var1) }}",
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intermediate=u"{{ 'test2 %s' | format(var1) }}",
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expectation=u"test2 \\1",
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args=dict(var1=u'\\1')
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),
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# Test backslashes in a variable expanded by jinja2 are double
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# escaped
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dict(
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template=u"Test 2\\3: {{ var1 | format('\\2') }}",
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intermediate=u"Test 2\\3: {{ var1 | format('\\\\2') }}",
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expectation=u"Test 2\\3: \\1 \\2",
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args=dict(var1=u'\\1 %s')
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),
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)
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def setUp(self):
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self.env = jinja2.Environment()
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def test_backslash_escaping(self):
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for test in self.test_data:
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intermediate = _escape_backslashes(test['template'], self.env)
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self.assertEqual(intermediate, test['intermediate'])
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template = jinja2.Template(intermediate)
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args = test['args']
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self.assertEqual(template.render(**args), test['expectation'])
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class TestCountNewlines(unittest.TestCase):
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def test_zero_length_string(self):
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self.assertEqual(_count_newlines_from_end(u''), 0)
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def test_short_string(self):
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self.assertEqual(_count_newlines_from_end(u'The quick\n'), 1)
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def test_one_newline(self):
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self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' * 1000 + u'\n'), 1)
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def test_multiple_newlines(self):
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self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' * 1000 + u'\n\n\n'), 3)
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def test_zero_newlines(self):
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self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' * 1000), 0)
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def test_all_newlines(self):
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self.assertEqual(_count_newlines_from_end(u'\n' * 10), 10)
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def test_mostly_newlines(self):
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self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' + u'\n' * 1000), 1000)
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class TestAnsibleUndefined(unittest.TestCase):
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def test_getattr(self):
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val = AnsibleUndefined()
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self.assertIs(getattr(val, 'foo'), val)
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self.assertRaises(AttributeError, getattr, val, '__UNSAFE__')
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