def test_4byte_float_values_from_voltage_meter(self):
"""Test parsing DPT4ByteFloat from voltage meter."""
self.assertEqual(
round(DPT4ByteFloat().from_knx((0x43, 0x65, 0xE3, 0xD7)), 2),
229.89)
self.assertEqual(DPT4ByteFloat().to_knx(229.89),
(0x43, 0x65, 0xE3, 0xD7))
def test_14_055(self):
"""Test DPTPhaseAngleDeg object."""
self.assertEqual(DPT4ByteFloat().from_knx((0x42, 0xEF, 0x00, 0x00)),
119.5)
self.assertEqual(DPT4ByteFloat().to_knx(119.5),
(0x42, 0xEF, 0x00, 0x00))
self.assertEqual(DPTPhaseAngleDeg().unit, "°")
def test_14_057(self):
"""Test DPT4ByteFloat object."""
self.assertEqual(
round(DPT4ByteFloat().from_knx((0x3F, 0x71, 0xEB, 0x86)), 7),
0.9450001)
self.assertEqual(DPT4ByteFloat().to_knx(0.945000052452),
(0x3F, 0x71, 0xEB, 0x86))
self.assertEqual(DPT4ByteFloat().unit, "")
def test_4byte_float_special_value(self):
"""Test parsing and streaming of DPT4ByteFloat special value."""
assert math.isnan(DPT4ByteFloat.from_knx((0x7F, 0xC0, 0x00, 0x00)))
assert DPT4ByteFloat.to_knx(float("nan")) == (0x7F, 0xC0, 0x00, 0x00)
assert math.isinf(DPT4ByteFloat.from_knx((0x7F, 0x80, 0x00, 0x00)))
assert DPT4ByteFloat.to_knx(float("inf")) == (0x7F, 0x80, 0x00, 0x00)
assert DPT4ByteFloat.from_knx((0xFF, 0x80, 0x00, 0x00)) == float("-inf")
assert DPT4ByteFloat.to_knx(float("-inf")) == (0xFF, 0x80, 0x00, 0x00)
assert DPT4ByteFloat.from_knx((0x80, 0x00, 0x00, 0x00)) == float("-0")
assert DPT4ByteFloat.to_knx(float("-0")) == (0x80, 0x00, 0x00, 0x00)
def test_4byte_flaot_from_knx_unpack_error(self):
"""Test DPT4ByteFloat parsing with unpack error."""
with patch("struct.unpack") as unpack_mock:
unpack_mock.side_effect = struct.error()
with pytest.raises(ConversionError):
DPT4ByteFloat.from_knx((0x01, 0x23, 0x02, 0x02))
def test_4byte_float_from_knx_wrong_parameter2(self):
"""Test parsing of DPT4ByteFloat with wrong value (second parameter is a string)."""
with pytest.raises(ConversionError):
DPT4ByteFloat.from_knx((0xF8, "0x23", 0x00, 0x00))
def test_4byte_float_from_knx_wrong_parameter(self):
"""Test parsing of DPT4ByteFloat with wrong value (wrong number of bytes)."""
with pytest.raises(ConversionError):
DPT4ByteFloat.from_knx((0xF8, 0x01, 0x23))
def test_4byte_float_to_knx_wrong_parameter(self):
"""Test parsing of DPT4ByteFloat with wrong value (string)."""
with pytest.raises(ConversionError):
DPT4ByteFloat.to_knx("fnord")
def test_4byte_float_zero_value(self):
"""Test parsing and streaming of DPT4ByteFloat zero value."""
assert DPT4ByteFloat.from_knx((0x00, 0x00, 0x00, 0x00)) == 0.00
assert DPT4ByteFloat.to_knx(0.00) == (0x00, 0x00, 0x00, 0x00)
def test_4byte_float_values_from_voltage_meter(self):
"""Test parsing DPT4ByteFloat from voltage meter."""
assert DPT4ByteFloat.from_knx((0x43, 0x65, 0xE3, 0xD7)) == 229.89
assert DPT4ByteFloat.to_knx(229.89) == (0x43, 0x65, 0xE3, 0xD7)
def test_14_057(self):
"""Test DPT4ByteFloat object."""
assert DPT4ByteFloat.from_knx((0x3F, 0x71, 0xEB, 0x86)) == 0.9450001
assert DPT4ByteFloat.to_knx(0.945000052452) == (0x3F, 0x71, 0xEB, 0x86)
assert DPT4ByteFloat.unit == ""
def test_14_055(self):
"""Test DPTPhaseAngleDeg object."""
assert DPT4ByteFloat.from_knx((0x42, 0xEF, 0x00, 0x00)) == 119.5
assert DPT4ByteFloat.to_knx(119.5) == (0x42, 0xEF, 0x00, 0x00)
assert DPTPhaseAngleDeg.unit == "°"
def test_4byte_float_values_from_power_meter(self):
"""Test parsing DPT4ByteFloat value from power meter."""
assert DPT4ByteFloat.from_knx((0x43, 0xC6, 0x80, 00)) == 397
assert DPT4ByteFloat.to_knx(397) == (0x43, 0xC6, 0x80, 00)
assert DPT4ByteFloat.from_knx((0x42, 0x38, 0x00, 00)) == 46
assert DPT4ByteFloat.to_knx(46) == (0x42, 0x38, 0x00, 00)
def test_4byte_float_zero_value(self):
"""Test parsing and streaming of DPT4ByteFloat zero value."""
self.assertEqual(DPT4ByteFloat().from_knx((0x00, 0x00, 0x00, 0x00)),
0.00)
self.assertEqual(DPT4ByteFloat().to_knx(0.00),
(0x00, 0x00, 0x00, 0x00))
def test_4byte_float_values_from_power_meter(self):
"""Test parsing DPT4ByteFloat value from power meter."""
self.assertEqual(DPT4ByteFloat().from_knx((0x43, 0xC6, 0x80, 00)), 397)
self.assertEqual(DPT4ByteFloat().to_knx(397), (0x43, 0xC6, 0x80, 00))
self.assertEqual(DPT4ByteFloat().from_knx((0x42, 0x38, 0x00, 00)), 46)
self.assertEqual(DPT4ByteFloat().to_knx(46), (0x42, 0x38, 0x00, 00))
def test_4byte_flaot_from_knx_unpack_error(self):
"""Test DPT4ByteFloat parsing with unpack error."""
with patch('struct.unpack') as unpackMock:
unpackMock.side_effect = struct.error()
with self.assertRaises(ConversionError):
DPT4ByteFloat().from_knx((0x01, 0x23, 0x02, 0x02))
