这是我的伪类,我想测试:错误测试异常
class Meter:
def __init__(self, meterInfo):
self.b1pos = meterInfo['b1pos']
def setMeter(self):
print 'Initializing'
try:
print 'Connecting'
except IOError as message:
print message
def readSignal(self, ele_name):
try:
if ele_name in ("b1", "b2"):
readValue = 0.0
readValue1 = 0.0
return readValue, readValue1
else:
readValue = 0.0
readValue1 = 0.0
return readValue, readValue1
except IOError as message:
print message
这是我的单元测试:
class TestMeter(unittest.TestCase):
def testSetMeter(self):
m = meter.Meter({'b1pos': 'b1pos'})
self.assertRaises(IOError, m.setMeter())
def testReadSignal(self):
m = meter.Meter({'b1pos': 'b1pos'})
a, b = m.readSignal('b1')
self.assertTrue(isinstance(a, numbers.Number))
self.assertTrue(isinstance(b, numbers.Number))
self.assertRaises(IOError, m.readSignal('b1'))
if __name__ == '__main__':
unittest.main()
对于testSetMeter()我没有任何问题,但对于testReadSignal()它给了我:“TypeError:'元组'对象不可调用” 我明白这个错误与radSignal的返回有关,但我该如何解决它? 我试着用:
def testReadSignal(self):
m = meter.Meter({'b1pos': 'b1pos'})
a, b = m.readSignal('b1')
self.assertTrue(isinstance(a, numbers.Number))
self.assertTrue(isinstance(b, numbers.Number))
with self.assertRaises(IOError):
m.readSignal('b1')
但是,这是输出:
AssertionError: IOError not raised
你能告诉我们班万用表? –
对不起,我在复印时输入错字,我改正了文字 – Joe
真正的问题是什么?该函数捕捉异常,所以测试无法接收它。 – Efren