170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
42 lines
1.4 KiB
Python
Executable File
42 lines
1.4 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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# SPDX-License-Identifier: MIT
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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 I2cChecksRead(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_full_reg_range(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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expected_res = bytearray([MRAA_MOCK_I2C_DATA_INIT_BYTE for i in range(MRAA_MOCK_I2C_DATA_LEN)])
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res = self.i2c.read(MRAA_MOCK_I2C_DATA_LEN)
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self.assertEqual(res, expected_res, "I2C read() of full register range returned unexpected data")
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def test_i2c_read_part_reg_range(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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expected_res = bytearray([MRAA_MOCK_I2C_DATA_INIT_BYTE for i in range(MRAA_MOCK_I2C_DATA_LEN - 1)])
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res = self.i2c.read(MRAA_MOCK_I2C_DATA_LEN - 1)
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self.assertEqual(res, expected_res, "I2C read() of partial register range returned unexpected data")
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def test_i2c_read_invalid_addr(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR - 1)
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self.assertRaises(IOError, self.i2c.read, MRAA_MOCK_I2C_DATA_LEN)
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def test_i2c_read_invalid_len_bigger_than_max(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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self.assertRaises(IOError, self.i2c.read, MRAA_MOCK_I2C_DATA_LEN + 1)
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if __name__ == "__main__":
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u.main()
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