112 lines
4.4 KiB
Python
112 lines
4.4 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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# 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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import jinja2
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from ansible.compat.tests import unittest
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from ansible.template import _preserve_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="{{ 'test2 %s' | format('\\1') }}",
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intermediate="{{ 'test2 %s' | format('\\\\1') }}",
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expectation="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="Test 2\\3: {{ '\\1 %s' | format('\\2') }}",
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intermediate="Test 2\\3: {{ '\\\\1 %s' | format('\\\\2') }}",
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expectation="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="Test 2\\3: {{ 'test2 %s' | format('\\1') }}; \\done",
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intermediate="Test 2\\3: {{ 'test2 %s' | format('\\\\1') }}; \\done",
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expectation="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="{{ 'test2 %s' | format(var1) }}",
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#intermediate="{{ 'test2 %s' | format('\\\\1') }}",
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intermediate="{{ 'test2 %s' | format(var1) }}",
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expectation="test2 \\1",
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args=dict(var1='\\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="Test 2\\3: {{ var1 | format('\\2') }}",
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intermediate="Test 2\\3: {{ var1 | format('\\\\2') }}",
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expectation="Test 2\\3: \\1 \\2",
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args=dict(var1='\\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 tearDown(self):
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pass
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def test_backslash_escaping(self):
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for test in self.test_data:
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intermediate = _preserve_backslashes(test['template'], self.env)
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self.assertEquals(intermediate, test['intermediate'])
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template = jinja2.Template(intermediate)
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args = test['args']
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self.assertEquals(template.render(**args), test['expectation'])
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class TestCountNewlines(unittest.TestCase):
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def test_short_string(self):
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self.assertEquals(_count_newlines_from_end('The quick\n'), 1)
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def test_one_newline(self):
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self.assertEquals(_count_newlines_from_end('The quick brown fox jumped over the lazy dog' * 1000 + '\n'), 1)
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def test_multiple_newlines(self):
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self.assertEquals(_count_newlines_from_end('The quick brown fox jumped over the lazy dog' * 1000 + '\n\n\n'), 3)
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def test_zero_newlines(self):
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self.assertEquals(_count_newlines_from_end('The quick brown fox jumped over the lazy dog' * 1000 + '\n\n\n'), 3)
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def test_all_newlines(self):
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self.assertEquals(_count_newlines_from_end('\n' * 10), 10)
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def test_mostly_newlines(self):
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self.assertEquals(_count_newlines_from_end('The quick brown fox jumped over the lazy dog' + '\n' * 1000), 1000)
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