57 lines
2.1 KiB
Python
Executable File
57 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python
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# Author: Alex Tereschenko <alext.mkrs@gmail.com>
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# Copyright (c) 2016 Alex Tereschenko.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import mraa as m
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import unittest as u
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from spi_checks_shared import *
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class SpiChecksFreq(u.TestCase):
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def setUp(self):
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self.spi = m.Spi(MRAA_SPI_BUS_NUM)
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def tearDown(self):
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del self.spi
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def test_spi_set_freq(self):
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TEST_FREQ = 20000000
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self.assertEqual(self.spi.frequency(TEST_FREQ),
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m.SUCCESS,
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"Setting SPI frequency to %d did not return success" %TEST_FREQ)
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def test_spi_set_freq_invalid_smaller_than_min_zero(self):
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TEST_FREQ = 0
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self.assertEqual(self.spi.frequency(TEST_FREQ),
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m.ERROR_INVALID_PARAMETER,
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"Setting SPI frequency to %d did not return error" %TEST_FREQ)
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def test_spi_set_freq_invalid_smaller_than_min_negative(self):
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TEST_FREQ = -10
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self.assertEqual(self.spi.frequency(TEST_FREQ),
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m.ERROR_INVALID_PARAMETER,
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"Setting SPI frequency to %d did not return error" %TEST_FREQ)
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if __name__ == "__main__":
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u.main()
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