bcb6adc551
Mock platform allows one to use mraa without having any real HW. This commit makes necessary foundational changes and implements GPIO functionality as well as adds respective tests. Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
68 lines
2.8 KiB
Python
Executable File
68 lines
2.8 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 <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 GpioChecksDir(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_set_dir_output(self):
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direction = m.DIR_OUT
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res = self.pin.dir(direction)
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self.assertEqual(res, m.SUCCESS, "Setting GPIO to output failed")
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self.assertEqual(self.pin.readDir(), direction, "GPIO has incorrect direction after dir(DIR_OUT)")
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def test_set_dir_output_HIGH(self):
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res = self.pin.dir(m.DIR_OUT_HIGH)
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self.assertEqual(res, m.SUCCESS, "Setting GPIO to output HIGH failed")
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self.assertEqual(self.pin.readDir(), m.DIR_OUT, "GPIO has incorrect direction after dir(DIR_OUT_HIGH)")
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self.assertEqual(self.pin.read(), 1, "GPIO has incorrect state after dir(DIR_OUT_HIGH)")
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def test_set_dir_output_LOW(self):
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res = self.pin.dir(m.DIR_OUT_LOW)
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self.assertEqual(res, m.SUCCESS, "Setting GPIO to output LOW failed")
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self.assertEqual(self.pin.readDir(), m.DIR_OUT, "GPIO has incorrect direction after dir(DIR_OUT_LOW)")
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self.assertEqual(self.pin.read(), 0, "GPIO has incorrect state after dir(DIR_OUT_LOW)")
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def test_set_dir_input(self):
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direction = m.DIR_IN
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res = self.pin.dir(direction)
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self.assertEqual(res, m.SUCCESS, "Setting GPIO to input failed")
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self.assertEqual(self.pin.readDir(), direction, "GPIO has incorrect direction after dir(DIR_IN)")
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def test_set_dir_invalid(self):
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direction = 99
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res = self.pin.dir(direction)
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self.assertNotEqual(res, m.SUCCESS, "Setting direction to " + str(direction) + " should have failed")
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if __name__ == '__main__':
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u.main()
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