def test_cmd_ntp():
test = build_command('NTPClockSync', 1 + 2**-32)
part_1 = test[1:5]
part_2 = test[5:]
val_1 = struct.unpack("<L", part_1)[0]
val_2 = struct.unpack("<L", part_2)[0]
assert val_1 == 1
assert val_2 == 1
def test_cmd_no_data():
test = build_command('Exit')
assert test.decode('ascii') == 'X'
def test_cmd_formats_endian():
test = build_command('Query', 'MAC-')
assert test.decode('ascii') == 'QMAC-'
def test_cmd_ntp_raises_for_invalid_NTP():
with pytest.raises(ECINTPInvalid):
_ = build_command('NTPClockSync', sys_to_bytes(2, 5))
def test_cmd_raises_for_nonbyte_data():
with pytest.raises(ECIDataNotBytes):
_ = build_command('EventData', 'cat')
def test_cmd_raises_for_non_integer_clock():
with pytest.raises(ECIClockNonInteger):
_ = build_command('ClockSync', 0.15)
with pytest.raises(ECIClockNonInteger):
_ = build_command('ClockSync', 'cat')
def test_cmd_raises_for_illegal_endian():
with pytest.raises(ECIIllegalEndian):
_ = build_command('Query', 1)
def test_cmd_raises_for_required_data():
with pytest.raises(ECIDataRequired):
_ = build_command('Query')
def test_cmd_raises_for_illegal_data():
with pytest.raises(ECINoDataAllowed):
_ = build_command('Exit', 0)
def test_cmd_raises_bad_command():
with pytest.raises(InvalidECICmd):
_ = build_command('Eixt')
