test_loader.py 文件源码

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

        suite = loader.loadTestsFromNames(['sdasfasfasdf'])
        error, test = self.check_deferred_error(loader, list(suite)[0])
        expected = "Failed to import test module: sdasfasfasdf"
        self.assertIn(
            expected, error,
            'missing error string in %r' % error)
        self.assertRaisesRegex(ImportError, expected, test.sdasfasfasdf)

    # "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 the module can be found, but not the attribute?