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# Copyright 2017 Lars Wirzenius
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import io
import os
import tempfile
import unittest
import yaml
import vmdb
class SpecTests(unittest.TestCase):
spec_yaml = """
steps:
- step: foo
arg: "{{ var1 }}"
number: 0711
- step: bar
"""
def setUp(self):
self.filename = write_temp_file(bytes(self.spec_yaml, "ascii"))
self.spec = vmdb.Spec()
def tearDown(self):
if os.path.exists(self.filename):
os.remove(self.filename)
def test_loads_spec(self):
self.spec.load_file(open(self.filename))
self.assertEqual(self.spec.as_dict(), as_dict(self.spec_yaml))
def test_expands_templates(self):
self.spec.load_file(open(self.filename))
params = {"var1": "value1"}
steps = self.spec.get_steps(params)
self.assertEqual(
steps, [{"step": "foo", "arg": "value1", "number": 0o711}, {"step": "bar"}]
)
class ExpandTemplatesTests(unittest.TestCase):
def test_raises_assert_if_given_incomprehensible_value(self):
with self.assertRaises(AssertionError):
vmdb.expand_templates(None, {})
def test_returns_same_given_string_without_template(self):
self.assertEqual(vmdb.expand_templates("foo", {}), "foo")
def test_expands_simple_string_template(self):
params = {"foo": "bar"}
self.assertEqual(vmdb.expand_templates("{{ foo }}", params), "bar")
def test_expands_list_of_templates(self):
params = {"foo": "bar"}
self.assertEqual(vmdb.expand_templates(["{{ foo }}"], params), ["bar"])
def test_expands_dict_of_templates(self):
params = {"foo": "bar"}
self.assertEqual(
vmdb.expand_templates({"key": "{{ foo }}"}, params), {"key": "bar"}
)
def write_temp_file(data):
fd, filename = tempfile.mkstemp()
os.write(fd, data)
os.close(fd)
return filename
def as_dict(yaml_text):
with io.StringIO(yaml_text) as f:
return yaml.safe_load(f)
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