40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#!/usr/bin/env python
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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 os
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from unittest import mock
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from cliff.tests import base
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from cliff import utils
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class TestTerminalWidth(base.TestBase):
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def test(self):
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width = utils.terminal_width()
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# Results are specific to the execution environment, so only assert
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# that no error is raised.
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if width is not None:
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self.assertIsInstance(width, int)
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@mock.patch('cliff.utils.os')
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def test_get_terminal_size(self, mock_os):
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ts = os.terminal_size((10, 5))
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mock_os.get_terminal_size.return_value = ts
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width = utils.terminal_width()
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self.assertEqual(10, width)
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mock_os.get_terminal_size.side_effect = OSError()
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width = utils.terminal_width()
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self.assertIs(None, width)
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