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_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)
