119 lines
3.3 KiB
Python
119 lines
3.3 KiB
Python
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#
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# Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES.
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# Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import os
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import pytest
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import sys
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if sys.version_info.major == 3:
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from unittest import mock
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else:
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import mock
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test_path = os.path.dirname(os.path.abspath(__file__))
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modules_path = os.path.dirname(test_path)
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sys.path.insert(0, modules_path)
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from sonic_platform import utils
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class TestUtils:
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def test_read_file(self):
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ret = utils.read_str_from_file('not exist', 'default return')
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assert ret == 'default return'
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with pytest.raises(IOError):
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ret = utils.read_str_from_file('not exist', 'default return', raise_exception=True)
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assert ret == 'default return'
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ret = utils.read_int_from_file('not exist', 100)
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assert ret == 100
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with pytest.raises(IOError):
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ret = utils.read_int_from_file('not exist', 200, raise_exception=True)
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assert ret == 200
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ret = utils.read_float_from_file('not exist', 3.14)
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assert ret == 3.14
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with pytest.raises(IOError):
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ret = utils.read_float_from_file('not exist', 2.25, raise_exception=True)
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assert ret == 2.25
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def test_write_file(self):
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file_path = '/tmp/test.txt'
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utils.write_file(file_path, ' hello ')
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assert utils.read_str_from_file(file_path) == 'hello'
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utils.write_file(file_path, '123 ')
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assert utils.read_int_from_file(file_path) == 123
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utils.write_file(file_path, '3.14 ')
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assert utils.read_float_from_file(file_path) == 3.14
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with pytest.raises(IOError):
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utils.write_file('/not/exist/file', '123', raise_exception=True)
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def test_pre_initialize(self):
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mock_call = mock.MagicMock()
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class A:
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@utils.pre_initialize(mock_call)
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def func(self):
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pass
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A().func()
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assert mock_call.call_count == 1
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def test_pre_initialize_one(self):
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mock_call = mock.MagicMock()
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class A:
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@utils.pre_initialize_one(mock_call)
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def func(self, index):
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pass
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a = A()
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a.func(34)
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mock_call.assert_called_once_with(a, 34)
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def test_read_only_cache(self):
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value = 100
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def func():
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return value
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assert func() == 100
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value = 1000
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assert func() == 1000
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@utils.read_only_cache()
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def func():
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return value
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assert func() == 1000
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value = 10000
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assert func() == 1000
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@mock.patch('sonic_py_common.logger.Logger.log_debug')
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def test_default_return(self, mock_log):
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@utils.default_return(100, log_func=mock_log)
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def func():
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raise RuntimeError('')
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assert func() == 100
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assert mock_log.call_count == 1
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