How to use the canopen.objectdictionary.INTEGER16 function in canopen

def test_phys(self):
        var = od.Variable("Test INTEGER16", 0x1000)
        var.data_type = od.INTEGER16
        var.factor = 0.1

        self.assertAlmostEqual(var.decode_phys(128), 12.8)
        self.assertEqual(var.encode_phys(-0.1), -1)

def test_integer16(self):
        var = od.Variable("Test INTEGER16", 0x1000)
        var.data_type = od.INTEGER16
        self.assertEqual(var.decode_raw(b"\xfe\xff"), -2)
        self.assertEqual(var.decode_raw(b"\x01\x00"), 1)
        self.assertEqual(var.encode_raw(-2), b"\xfe\xff")
        self.assertEqual(var.encode_raw(1), b"\x01\x00")

def test_dummy_variable(self):
        var = self.od['Dummy0003']
        self.assertIsInstance(var, canopen.objectdictionary.Variable)
        self.assertEqual(var.index, 0x0003)
        self.assertEqual(var.subindex, 0)
        self.assertEqual(var.name, 'Dummy0003')
        self.assertEqual(var.data_type, canopen.objectdictionary.INTEGER16)
        self.assertEqual(var.access_type, 'const')
        self.assertEqual(len(var), 16)

try:
    import xml.etree.cElementTree as etree
except ImportError:
    import xml.etree.ElementTree as etree
import logging
from canopen import objectdictionary

logger = logging.getLogger(__name__)

DATA_TYPES = {
    "BOOLEAN": objectdictionary.BOOLEAN,
    "INTEGER8": objectdictionary.INTEGER8,
    "INTEGER16": objectdictionary.INTEGER16,
    "INTEGER32": objectdictionary.INTEGER32,
    "UNSIGNED8": objectdictionary.UNSIGNED8,
    "UNSIGNED16": objectdictionary.UNSIGNED16,
    "UNSIGNED32": objectdictionary.UNSIGNED32,
    "REAL32": objectdictionary.REAL32,
    "VISIBLE_STRING": objectdictionary.VISIBLE_STRING,
    "DOMAIN": objectdictionary.DOMAIN
}


def import_epf(epf):
    """Import an EPF file.

    :param epf:
        Either a path to an EPF-file, a file-like object, or an instance of
        :class:`xml.etree.ElementTree.Element`.