Coverage for test/d7a/alp/operations/test_operation.py: 94%
34 statements
« prev ^ index » next coverage.py v7.5.0, created at 2024-05-24 08:03 +0200
« prev ^ index » next coverage.py v7.5.0, created at 2024-05-24 08:03 +0200
1#
2# Copyright (c) 2015-2021 University of Antwerp, Aloxy NV.
3#
4# This file is part of pyd7a.
5# See https://github.com/Sub-IoT/pyd7a for further info.
6#
7# Licensed under the Apache License, Version 2.0 (the "License");
8# you may not use this file except in compliance with the License.
9# You may obtain a copy of the License at
10#
11# http://www.apache.org/licenses/LICENSE-2.0
12#
13# Unless required by applicable law or agreed to in writing, software
14# distributed under the License is distributed on an "AS IS" BASIS,
15# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16# See the License for the specific language governing permissions and
17# limitations under the License.
18#
20# author: Christophe VG <contact@christophe.vg>
21# unit tests for the Operation base class
23import unittest
25from d7a.alp.operations.operation import Operation
27class OperandX(object): pass
28class OperandY(object): pass
30def make_operation(operand=None, op=None):
31 class MyOperation(Operation):
32 def __init__(self, *args, **kwargs):
33 self.operand_class = operand
34 self.op = op
35 super(MyOperation, self).__init__(*args, **kwargs)
36 return MyOperation
38class TestOperation(unittest.TestCase):
40 def test_not_implemented_operand(self):
41 def bad(): Operation()
42 self.assertRaises(AttributeError, bad)
44 def test_missing_operand(self):
45 MyOperation = make_operation(operand=OperandX)
46 def bad(): MyOperation()
47 self.assertRaises(ValueError, bad)
49 def test_unexpected_operand(self):
50 MyOperation = make_operation()
51 def bad(): MyOperation(OperandY())
52 self.assertRaises(ValueError, bad)
55 def test_incorrect_operand(self):
56 MyOperation = make_operation(operand=OperandX)
57 def bad(): MyOperation(OperandY())
58 self.assertRaises(ValueError, bad)
60 def test_op_property(self):
61 MyOperation = make_operation(operand=None, op=123)
62 op = MyOperation()
63 self.assertEqual(op.op, 123)
65if __name__ == '__main__':
66 suite = unittest.TestLoader().loadTestsFromTestCase(TestOperation)
67 unittest.TextTestRunner(verbosity=2).run(suite)