71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
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#!/usr/bin/env python
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# Author: Alex Tereschenko <alext.mkrs@gmail.com>
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# Copyright (c) 2016 Alex Tereschenko <alext.mkrs@gmail.com>
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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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MRAA_TEST_PIN = 0
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class GpioChecksWriteRead(u.TestCase):
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def setUp(self):
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self.pin = m.Gpio(MRAA_TEST_PIN)
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def tearDown(self):
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del self.pin
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def test_gpio_as_output_write_HIGH(self):
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self.pin.dir(m.DIR_OUT)
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res = self.pin.write(1)
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self.assertEqual(res, m.SUCCESS, "Setting GPIO to HIGH failed")
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res = self.pin.read()
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self.assertEqual(res, 1, "GPIO is not HIGH after write(1)")
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def test_gpio_as_output_write_LOW(self):
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self.pin.dir(m.DIR_OUT)
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res = self.pin.write(0)
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self.assertEqual(res, m.SUCCESS, "Setting GPIO to LOW failed")
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res = self.pin.read()
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self.assertEqual(res, 0, "GPIO is not LOW after write(0)")
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def test_gpio_as_output_write_invalid(self):
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self.pin.dir(m.DIR_OUT)
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value = 10
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res = self.pin.write(value)
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self.assertNotEqual(res, m.SUCCESS, "Writing " + str(value) + " to GPIO should have failed")
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res = self.pin.read()
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self.assertNotEqual(res, value, "Writing " + str(value) + " to GPIO should not have set it to " + str(value))
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def test_gpio_as_input_write_HIGH(self):
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self.pin.dir(m.DIR_IN)
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res = self.pin.write(1)
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self.assertNotEqual(res, m.SUCCESS, "Setting GPIO in INPUT to HIGH should have failed")
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def test_gpio_as_input_write_LOW(self):
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self.pin.dir(m.DIR_IN)
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res = self.pin.write(0)
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self.assertNotEqual(res, m.SUCCESS, "Setting GPIO in INPUT to LOW should have failed")
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if __name__ == '__main__':
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u.main()
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