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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, print_function, unicode_literals
import unittest
from ..parameters import Parameters, load_parameters_file, PARAMETER_NAMES
from mozunit import main, MockedOpen
class TestParameters(unittest.TestCase):
vals = {n: n for n in PARAMETER_NAMES}
def test_Parameters_immutable(self):
p = Parameters(**self.vals)
def assign():
p['head_ref'] = 20
self.assertRaises(Exception, assign)
def test_Parameters_missing_KeyError(self):
p = Parameters(**self.vals)
self.assertRaises(KeyError, lambda: p['z'])
def test_Parameters_invalid_KeyError(self):
"""even if the value is present, if it's not a valid property, raise KeyError"""
p = Parameters(xyz=10, **self.vals)
self.assertRaises(KeyError, lambda: p['xyz'])
def test_Parameters_get(self):
p = Parameters(head_ref=10, level=20)
self.assertEqual(p['head_ref'], 10)
def test_Parameters_check(self):
p = Parameters(**self.vals)
p.check() # should not raise
def test_Parameters_check_missing(self):
p = Parameters()
self.assertRaises(Exception, lambda: p.check())
def test_Parameters_check_extra(self):
p = Parameters(xyz=10, **self.vals)
self.assertRaises(Exception, lambda: p.check())
def test_load_parameters_file_yaml(self):
with MockedOpen({"params.yml": "some: data\n"}):
self.assertEqual(
load_parameters_file({'parameters': 'params.yml'}),
{'some': 'data'})
def test_load_parameters_file_json(self):
with MockedOpen({"params.json": '{"some": "data"}'}):
self.assertEqual(
load_parameters_file({'parameters': 'params.json'}),
{'some': 'data'})
if __name__ == '__main__':
main()
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