def test_find_board(self):
"""
Test that the ThunderBorg.find_board() method finds a board.
"""
found = ThunderBorg.find_board()
found = found[0] if found else 0
msg = "Found address '0x{:02X}', should be '0x{:02X}'.".format(
found, ThunderBorg.DEFAULT_I2C_ADDRESS)
self.assertEqual(found, ThunderBorg.DEFAULT_I2C_ADDRESS, msg)
def test_set_i2c_address_without_current_address(self):
"""
Test that the ThunderBorg.set_i2c_address() can set a different
address. Scans address range to find current address.
"""
# Set a new address
new_addr = 0x70
ThunderBorg.set_i2c_address(new_addr)
found = ThunderBorg.find_board()
found = found[0] if found else 0
msg = "Found address '0x{:02X}', should be '0x{:02X}'.".format(
found, new_addr)
self.assertEqual(found, new_addr, msg)
def test_set_i2c_address_with_current_address(self):
"""
Test that the ThunderBorg.set_i2c_address() can set a different
address. The current address is provided.
"""
# Set a new address
new_addr = 0x70
cur_addr = ThunderBorg.DEFAULT_I2C_ADDRESS
ThunderBorg.set_i2c_address(new_addr, cur_addr=cur_addr)
found = ThunderBorg.find_board()
found = found[0] if found else 0
msg = "Found address '0x{:02X}', should be '0x{:02X}'.".format(
found, new_addr)
self.assertEqual(found, new_addr, msg)
def test_find_address_with_invalid_default_address(self):
"""
Test that an invalid default address will cause a board to be
initialized if the `auto_set_addr` argument is `True`.
"""
default_address = 0x15
# Initialize the board by instantiating ThunderBorg.
tb = ThunderBorg(logger_name=self.LOGGER_NAME,
log_level=logging.DEBUG,
auto_set_addr=True)
boards = ThunderBorg.find_board()
msg = "Boards found: {}".format(boards)
self.assertEquals(ThunderBorg.DEFAULT_I2C_ADDRESS, 0x20, msg)
self.assertTrue(len(boards) > 0, msg)
self.assertEqual(boards[0], default_address, msg)