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Diffstat (limited to 'test/units/template/test_template_utilities.py')
-rw-r--r-- | test/units/template/test_template_utilities.py | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/test/units/template/test_template_utilities.py b/test/units/template/test_template_utilities.py new file mode 100644 index 0000000..1044895 --- /dev/null +++ b/test/units/template/test_template_utilities.py @@ -0,0 +1,117 @@ +# (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__') |