def test_reserve():
lock_in = sr830(LOCKIN_GPIB_ADDR)
lock_in.reserve = 'hi'
assert int(lock_in.reserve) == 0
lock_in.reserve = 'high'
assert int(lock_in.reserve) == 0
lock_in.reserve = 'high reserve'
assert int(lock_in.reserve) == 0
lock_in.reserve = 0
assert int(lock_in.reserve) == 0
lock_in.reserve = 'normal'
assert int(lock_in.reserve) == 1
lock_in.reserve = 1
assert int(lock_in.reserve) == 1
lock_in.reserve = 'lo'
assert int(lock_in.reserve) == 2
lock_in.reserve = 'low'
assert int(lock_in.reserve) == 2
lock_in.reserve = 'low noise'
assert int(lock_in.reserve) == 2
lock_in.reserve = 2
assert int(lock_in.reserve) == 2
with pytest.raises(RuntimeError):
lock_in.reserve = 'eggs'
def test_frequency():
lock_in = sr830(LOCKIN_GPIB_ADDR)
lock_in.frequency = 23.33
assert lock_in.frequency == 23.33
with pytest.raises(RuntimeError):
lock_in.frequency = -23.33
def test_phase():
lock_in = sr830(LOCKIN_GPIB_ADDR)
with pytest.raises(RuntimeError):
lock_in.phase = -720.0
lock_in.phase = 128.0
assert lock_in.phase == 128.0
def test_sync_filter():
lock_in = sr830(LOCKIN_GPIB_ADDR)
lock_in.sync_filter = True
assert int(lock_in.sync_filter) == 1
lock_in.sync_filter = False
assert int(lock_in.sync_filter) == 0
with pytest.raises(RuntimeError):
lock_in.sync_filter = 'ham'
def test_amplitude():
lock_in = sr830(LOCKIN_GPIB_ADDR)
with pytest.raises(RuntimeError):
lock_in.amplitude = 5.002
with pytest.raises(RuntimeError):
lock_in.amplitude = 0.0
lock_in.amplitude = 0.100
assert lock_in.amplitude == 0.100
def test_low_pass_filter_slope():
lock_in = sr830(LOCKIN_GPIB_ADDR)
lock_in.low_pass_filter_slope = 6
assert int(lock_in.low_pass_filter_slope) == 0
lock_in.low_pass_filter_slope = 12
assert int(lock_in.low_pass_filter_slope) == 1
lock_in.low_pass_filter_slope = 18
assert int(lock_in.low_pass_filter_slope) == 2
lock_in.low_pass_filter_slope = 24
assert int(lock_in.low_pass_filter_slope) == 3
with pytest.raises(RuntimeError):
lock_in.low_pass_filter_slope = 100
def test_input():
lock_in = sr830(LOCKIN_GPIB_ADDR)
lock_in.input = '0'
assert lock_in.input == '0'
lock_in.input = 0
assert lock_in.input == '0'
lock_in.input = 'a'
assert lock_in.input == '0'
lock_in.input = 'A'
assert lock_in.input == '0'
lock_in.input = '1'
assert lock_in.input == '1'
lock_in.input = 1
assert lock_in.input == '1'
lock_in.input = 'a-b'
assert lock_in.input == '1'
lock_in.input = 'A-b'
assert lock_in.input == '1'
lock_in.input = 'differential'
assert lock_in.input == '1'
lock_in.input = '2'
assert lock_in.input == '2'
lock_in.input = 2
assert lock_in.input == '2'
lock_in.input = 'i1'
assert lock_in.input == '2'
lock_in.input = 'i1m'
assert lock_in.input == '2'
lock_in.input = 'I1MOHM'
assert lock_in.input == '2'
lock_in.input = '3'
assert lock_in.input == '3'
lock_in.input = 3
assert lock_in.input == '3'
lock_in.input = 'i100'
assert lock_in.input == '3'
lock_in.input = 'i100m'
assert lock_in.input == '3'
lock_in.input = 'i100mohm'
assert lock_in.input == '3'