c01a7a74f0
In Python 3, the mock module is now part of the unittest module. We no longer support Python 2, so there's no reason for the import checks. Change-Id: I7b4d68cba4b587ad9f0121058ba615a9bb0aec93
92 lines
3.2 KiB
Python
92 lines
3.2 KiB
Python
# Copyright 2019 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import ddt
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import unittest
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import unittest.mock as mock
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from cloudbaseinit.utils.template_engine.jinja2_template import (
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Jinja2TemplateEngine)
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@ddt.ddt
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class TestJinja2TemplateEngine(unittest.TestCase):
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@mock.patch('cloudbaseinit.utils.template_engine.base_template'
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'.BaseTemplateEngine.remove_template_definition')
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def _test_jinja_render_template(self, mock_remove_header,
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fake_instance_data, expected_result,
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fake_template = b'{{v1.local_hostname}}'):
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mock_remove_header.return_value = fake_template
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output = Jinja2TemplateEngine().render(fake_instance_data,
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fake_template)
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self.assertEqual(expected_result, output)
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def test_jinja_render_template(self):
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fake_instance_data = {
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'v1': {
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'local_hostname': 'fake_hostname'
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}
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}
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expected_result = b'fake_hostname'
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self._test_jinja_render_template(
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fake_instance_data=fake_instance_data,
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expected_result=expected_result)
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def test_jinja_render_template_missing_variable(self):
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fake_instance_data = {
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'v1': {
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'localhostname': 'fake_hostname'
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}
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}
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expected_result = b'CI_MISSING_JINJA_VAR/local_hostname'
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self._test_jinja_render_template(
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fake_instance_data=fake_instance_data,
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expected_result=expected_result)
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def test_jinja_render_template_multiple_variables(self):
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fake_instance_data = {
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'v1': {
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'localhostname': 'fake_hostname'
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},
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'ds': {
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'meta_data': {
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'hostname': 'fake_hostname'
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},
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'meta-data': {
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'hostname': 'fake_hostname'
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}
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}
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}
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fake_template = b'{{ds.meta_data.hostname}}'
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expected_result = b'fake_hostname'
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self._test_jinja_render_template(
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fake_instance_data=fake_instance_data,
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expected_result=expected_result,
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fake_template=fake_template)
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@ddt.data((b'', None),
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(None, None),
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(b'## template:jinja \n#ps1 \nmkdir', True),
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(b'## template:jinja test', None),
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(b'## template:jinjanone \ntest', None))
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@ddt.unpack
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def test_load_template_definition(self, userdata, expected_output):
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output = Jinja2TemplateEngine().load(userdata)
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self.assertEqual(expected_output, output)
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