test_loader.py 文件源码

def test_loadTestsFromNames__empty_name(self):
        loader = unittest.TestLoader()

        try:
            loader.loadTestsFromNames([''])
        except ValueError, e:
            self.assertEqual(str(e), "Empty module name")
        else:
            self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")

    # "The specifier name is a ``dotted name'' that may resolve either to
    # a module, a test case class, a TestSuite instance, a test method
    # within a test case class, or a callable object which returns a
    # TestCase or TestSuite instance."
    #
    # What happens when presented with an impossible module name?