对于TestCase
类中的方面,有一个assertRaises()
,其中您要确保由待测代码引发错误。
如果您想在此处引发错误并中止测试该单元(并继续进行下一个单元测试),请提升未捕获的异常;单元测试模块将赶上它:
raise NotImplementedError("malformed sub: %r" % (sub,))
我不认为有可用除了直接提高错误陈述的任何其他API方面,一个单元测试用例导致错误。
class PassingTest(unittest.TestCase):
def runTest(self):
self.assertTrue(True)
class FailingTest(unittest.TestCase):
def runTest(self):
self.assertTrue(False)
class ErrorTest(unittest.TestCase):
def runTest(self):
raise NotImplementedError("error")
class PassingTest2(unittest.TestCase):
def runTest(self):
self.assertTrue(True)
结果:
EF..
======================================================================
ERROR: runTest (__main__.ErrorTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "./t.py", line 15, in runTest
raise NotImplementedError("error")
NotImplementedError: error
======================================================================
FAIL: runTest (__main__.FailingTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "./t.py", line 11, in runTest
self.assertTrue(False)
AssertionError: False is not true
----------------------------------------------------------------------
Ran 4 tests in 0.002s
FAILED (failures=1, errors=1)