def testInvalidPrefixInput():
prefixRange = '192.168.1.s/100:100'
actualResult = question._isPrefixRange(prefixRange)
expectMessage = "Invalid prefix string: '192.168.1.s/100' in prefix range string: '{}'".format(
prefixRange)
assert not actualResult[0]
assert expectMessage == actualResult[1]
def testValidPrefixRange():
prefixRange = "192.168.1.1/100:100-110"
actualResult = question._isPrefixRange(prefixRange)
assert actualResult[0]
assert actualResult[1] is None
def testInvalidRangeInput():
prefixRange = "192.168.1.1/100:100-s110"
actualResult = question._isPrefixRange(prefixRange)
expectMessage = "Invalid subRange end: s110"
assert not actualResult[0]
assert expectMessage == actualResult[1]
