53 lines
2.0 KiB
Python
Executable File
53 lines
2.0 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 i2c_checks_shared import *
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class I2cChecksReadByteData(u.TestCase):
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def setUp(self):
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self.i2c = m.I2c(MRAA_I2C_BUS_NUM)
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def tearDown(self):
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del self.i2c
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def test_i2c_read_byte_data(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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expected_res = MRAA_MOCK_I2C_DATA_INIT_BYTE
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res = self.i2c.readReg(MRAA_MOCK_I2C_DATA_LEN - 1)
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self.assertEqual(res, expected_res, "I2C readReg() returned unexpected data")
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def test_i2c_read_byte_data_invalid_addr(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR - 1)
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self.assertRaises(ValueError, self.i2c.readReg, MRAA_MOCK_I2C_DATA_LEN - 1)
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def test_i2c_read_byte_data_invalid_reg(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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self.assertRaises(ValueError, self.i2c.readReg, MRAA_MOCK_I2C_DATA_LEN)
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if __name__ == "__main__":
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u.main()
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