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import pytest
from qolab.hardware.scpi import response2numStr
def test_separator_and_unit():
assert response2numStr('TDIV 2.00E-08S', firstSeparator=' ', unit='Z') == ('TDIV', '2.00E-08S', None) # incorrect unit was specified
assert response2numStr('TDIV 2.00E-08S', firstSeparator=' ', unit='S') == ('TDIV', '2.00E-08', 'S')
assert response2numStr('TDIV,2.00E-08S', firstSeparator=',', unit='S') == ('TDIV', '2.00E-08', 'S')
def test_separator_and_empty_unit():
assert response2numStr('TDIV,2.00E-08', firstSeparator=',', unit=None) == ('TDIV', '2.00E-08', None)
assert response2numStr('TDIV,2.00E-08', firstSeparator=',', unit='') == ('TDIV', '2.00E-08', '')
def test_no_separator_with_unit():
assert response2numStr('2.00E-08S', firstSeparator=None, unit='S') == (None, '2.00E-08', 'S')
assert response2numStr('2.00E-08S', firstSeparator='', unit='S') == (None, '2.00E-08', 'S')
def test_no_separator_and_no_unit():
assert response2numStr('2.00E-08', firstSeparator=None, unit=None) == (None, '2.00E-08', None)
assert response2numStr('2.00E-08', firstSeparator='', unit='') == (None, '2.00E-08', '')
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