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# (c) 2015 Toshio Kuratomi <tkuratomi@ansible.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import jinja2
from units.compat import unittest
from ansible.template import AnsibleUndefined, _escape_backslashes, _count_newlines_from_end
# These are internal utility functions only needed for templating. They're
# algorithmic so good candidates for unittesting by themselves
class TestBackslashEscape(unittest.TestCase):
test_data = (
# Test backslashes in a filter arg are double escaped
dict(
template=u"{{ 'test2 %s' | format('\\1') }}",
intermediate=u"{{ 'test2 %s' | format('\\\\1') }}",
expectation=u"test2 \\1",
args=dict()
),
# Test backslashes inside the jinja2 var itself are double
# escaped
dict(
template=u"Test 2\\3: {{ '\\1 %s' | format('\\2') }}",
intermediate=u"Test 2\\3: {{ '\\\\1 %s' | format('\\\\2') }}",
expectation=u"Test 2\\3: \\1 \\2",
args=dict()
),
# Test backslashes outside of the jinja2 var are not double
# escaped
dict(
template=u"Test 2\\3: {{ 'test2 %s' | format('\\1') }}; \\done",
intermediate=u"Test 2\\3: {{ 'test2 %s' | format('\\\\1') }}; \\done",
expectation=u"Test 2\\3: test2 \\1; \\done",
args=dict()
),
# Test backslashes in a variable sent to a filter are handled
dict(
template=u"{{ 'test2 %s' | format(var1) }}",
intermediate=u"{{ 'test2 %s' | format(var1) }}",
expectation=u"test2 \\1",
args=dict(var1=u'\\1')
),
# Test backslashes in a variable expanded by jinja2 are double
# escaped
dict(
template=u"Test 2\\3: {{ var1 | format('\\2') }}",
intermediate=u"Test 2\\3: {{ var1 | format('\\\\2') }}",
expectation=u"Test 2\\3: \\1 \\2",
args=dict(var1=u'\\1 %s')
),
)
def setUp(self):
self.env = jinja2.Environment()
def test_backslash_escaping(self):
for test in self.test_data:
intermediate = _escape_backslashes(test['template'], self.env)
self.assertEqual(intermediate, test['intermediate'])
template = jinja2.Template(intermediate)
args = test['args']
self.assertEqual(template.render(**args), test['expectation'])
class TestCountNewlines(unittest.TestCase):
def test_zero_length_string(self):
self.assertEqual(_count_newlines_from_end(u''), 0)
def test_short_string(self):
self.assertEqual(_count_newlines_from_end(u'The quick\n'), 1)
def test_one_newline(self):
self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' * 1000 + u'\n'), 1)
def test_multiple_newlines(self):
self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' * 1000 + u'\n\n\n'), 3)
def test_zero_newlines(self):
self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' * 1000), 0)
def test_all_newlines(self):
self.assertEqual(_count_newlines_from_end(u'\n' * 10), 10)
def test_mostly_newlines(self):
self.assertEqual(_count_newlines_from_end(u'The quick brown fox jumped over the lazy dog' + u'\n' * 1000), 1000)
class TestAnsibleUndefined(unittest.TestCase):
def test_getattr(self):
val = AnsibleUndefined()
self.assertIs(getattr(val, 'foo'), val)
self.assertRaises(AttributeError, getattr, val, '__UNSAFE__')
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