test_traceback.py 文件源码

def test_context_suppression(self):
        try:
            try:
                raise Exception
            except:
                raise_from(ZeroDivisionError, None)
        except ZeroDivisionError as _:
            e = _
            tb = sys.exc_info()[2]
        lines = self.get_report(e, tb)
        self.assertThat(lines, DocTestMatches("""\
Traceback (most recent call last):
  File "...traceback2/tests/test_traceback.py", line ..., in test_context_suppression
    raise_from(ZeroDivisionError, None)
  File "<string>", line 2, in raise_from
ZeroDivisionError
""", doctest.ELLIPSIS))