170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
77 lines
2.4 KiB
Python
Executable File
77 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python
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# Author: Costin Constantin <costin.c.constantin@intel.com>
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# Copyright (c) 2015 Intel Corporation.
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#
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# SPDX-License-Identifier: MIT
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from __future__ import print_function
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import mraa as m
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import unittest as u
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import os, re, sys
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from time import sleep
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MRAA_GPIO = 3
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@u.skipIf(m.pinModeTest(MRAA_GPIO, m.PIN_GPIO) != True, str(MRAA_GPIO) + "is not a valid Gpio on this platform")
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class GpioChecks(u.TestCase):
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def setUp(self):
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self.pin = m.Gpio(MRAA_GPIO)
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self.gpio_path = "/sys/class/gpio/gpio" + str(self.pin.getPin(True))
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def tearDown(self):
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# dereference pin to force cleanup
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self.pin = ""
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def test_returning_pin_no(self):
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self.pin_no = self.pin.getPin() # i should have the pin no. here as set when initing Gpio class
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self.assertEqual(self.pin_no, MRAA_GPIO, "Something wrong happened ... set pin doesn't correspond to retrieved one")
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def test_returning_pin_as_on_sys(self):
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self.assertTrue(os.path.exists(self.gpio_path))
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def test_set_GPIO_as_output(self):
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self.pin.dir(m.DIR_OUT)
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dir_file = open(self.gpio_path + "/direction")
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dir_file_content = dir_file.readline()[:-1]
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dir_file.close()
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self.assertMultiLineEqual(dir_file_content, "out")
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def test_set_GPIO_as_input(self):
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self.pin.dir(m.DIR_IN)
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dir_file = open(self.gpio_path + "/direction")
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dir_file_content = dir_file.readline()[:-1]
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dir_file.close()
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self.assertMultiLineEqual(dir_file_content, "in")
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def test_GPIO_as_output_write_HIGH_level(self):
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self.pin.dir(m.DIR_OUT)
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self.pin.write(1)
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val_file = open(self.gpio_path + "/value")
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sysfs_pin_value = val_file.readline()[:-1]
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val_file.close()
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self.assertEqual(int(sysfs_pin_value),1, "Value doesn't match the HIGH state")
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def test_GPIO_as_output_write_LOW_level(self):
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self.pin.dir(m.DIR_OUT)
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self.pin.write(0)
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val_file = open(self.gpio_path + "/value")
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sysfs_pin_value = val_file.readline()[:-1]
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val_file.close()
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self.assertEqual(int(sysfs_pin_value), 0, "Value doesn't match the LOW state")
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def test_GPIO_as_input_and_write_HIGH_on_it(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, "The command should fail")
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def test_GPIO_as_input_and_write_LOW_on_it(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.assertGreater(res, 0, "The command should have returned value greater than 0")
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if __name__ == '__main__':
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u.main()
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