def test_to_knx_positive(self):
"""Test positive value to KNX."""
self.assertEqual(DPTSignedRelativeValue.to_knx(0), (0x00, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(1), (0x01, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(2), (0x02, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(100), (0x64, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(127), (0x7F, ))
def test_from_knx_positive(self):
"""Test positive value from KNX."""
self.assertEqual(DPTSignedRelativeValue.from_knx((0x00, )), 0)
self.assertEqual(DPTSignedRelativeValue.from_knx((0x01, )), 1)
self.assertEqual(DPTSignedRelativeValue.from_knx((0x02, )), 2)
self.assertEqual(DPTSignedRelativeValue.from_knx((0x64, )), 100)
self.assertEqual(DPTSignedRelativeValue.from_knx((0x7F, )), 127)
def test_assert_max_exceeded(self):
"""Test initialization with wrong value (Overflow)."""
with self.assertRaises(ConversionError):
DPTSignedRelativeValue.to_knx(128)
def test_to_knx_negative(self):
"""Test negative value to KNX."""
self.assertEqual(DPTSignedRelativeValue.to_knx(-128), (0x80, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(-100), (0x9C, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(-2), (0xFE, ))
self.assertEqual(DPTSignedRelativeValue.to_knx(-1), (0xFF, ))
def test_from_knx_negative(self):
"""Test negative value from KNX."""
self.assertEqual(DPTSignedRelativeValue.from_knx((0x80, )), -128)
self.assertEqual(DPTSignedRelativeValue.from_knx((0x9C, )), -100)
self.assertEqual(DPTSignedRelativeValue.from_knx((0xFE, )), -2)
self.assertEqual(DPTSignedRelativeValue.from_knx((0xFF, )), -1)