def test_generic_from_bytes():
buff = bytes([0x00, 0x64, 0xff, 0xff, 0xff, 0xfb])
data = LppData.from_bytes(buff)
assert buff == bytes(data)
assert buff == data.to_bytes()
assert int(data.type) == 100
assert data.value == (4294967291, )
def test_lpp_data_str():
print(LppData(0, 0, 0))
def test_gps_from_bytes_invalid_size():
with pytest.raises(Exception):
buf = bytearray([0x00, 0x88, 0x00])
LppData.from_bytes(buf)
def test_init_invalid_dimension():
with pytest.raises(Exception):
LppData(0, 136, 0)
def test_temperature_from_bytes():
# 01 67 FF D7 = -4.1C
temp_buf = bytearray([0x01, 0x67, 0xFF, 0xD7])
temp_dat = LppData.from_bytes(temp_buf)
assert temp_buf == temp_dat.bytes()
def test_init_data_none():
with pytest.raises(Exception):
LppData(0, 0, None)
def test_init_invalid_type():
with pytest.raises(Exception):
LppData(0, 4242, 0)
def test_load_from_bytes():
# 42.321kg on channel 0
buff = bytearray([0x00, 0x7A, 0x00, 0xA5, 0x51])
data = LppData.from_bytes(buff)
assert buff == data.bytes()
def test_voltage_from_bytes():
# 25V on channel 1
buff = bytearray([0x01, 0x74, 0x9, 0xc4])
data = LppData.from_bytes(buff)
assert buff == data.bytes()
assert data.value == (25, )
def test_gps_from_bytes():
# 01 88 06 76 5f f2 96 0a 00 03 e8
gps_buf = bytearray(
[0x01, 0x88, 0x06, 0x76, 0x5f, 0xf2, 0x96, 0x0a, 0x00, 0x03, 0xe8])
gps_dat = LppData.from_bytes(gps_buf)
assert gps_buf == gps_dat.bytes()
def test_accelerometer_from_bytes():
# 06 71 04 D2 FB 2E 00 00
acc_buf = bytearray([0x06, 0x71, 0x04, 0xD2, 0xFB, 0x2E, 0x00, 0x00])
acc_dat = LppData.from_bytes(acc_buf)
assert acc_buf == acc_dat.bytes()
def test_lpp_data_size():
assert len(LppData(0, 0, 0)) == 3
def test_any_from_bytes_invalid_size():
with pytest.raises(Exception):
buf = bytes([0x00, 0x00])
LppData.from_bytes(buf)
def test_unix_time_from_bytes():
# 1970-01-01T08:00Z (ie unix time 0)
buff = bytes([0x01, 0x85, 0x00, 0x00, 0x00, 0x00])
data = LppData.from_bytes(buff)
assert buff == bytes(data)
assert data.value == (0, )