Testing the CheckArguments

This checks the arguments for the check sub-command.

TestCheckArguments.test_constructor
TestCheckArguments.test_configfilenames
TestCheckArguments.test_modules
TestCheckArguments.test_both

Testing the Check Strategy

TestCheckStrategy.test_constructor
TestCheckStrategy.test_function
TestCheckStrategy.test_error_handling

class TestCheckStrategy(unittest.TestCase):
    def setUp(self):
        self.build_ape = MagicMock()
        self.strategy = CheckStrategy()

        # monkey patch!
        self.strategy.build_ape = self.build_ape
        return

    def test_constructor(self):
        """
        Does it build?
        """
        strategy = CheckStrategy()
        self.assertIsInstance(strategy, BaseStrategy)
        return

    def test_function(self):
        """
        Does it execute the strategy correctly?
        """
        configfiles = 'alpha beta gamma'.split()
        ape = MagicMock()
        self.build_ape.return_value = None
        args = MagicMock()
        args.configfiles = configfiles

        # ape not buildable (build_ape returned None)
        self.strategy.function(args)
        self.build_ape.assert_called_with(configfiles)
        self.assertEqual(ape.mock_calls, [])

        # ape was built
        self.build_ape.return_value = ape
        self.strategy.function(args)
        ape.check_rep.assert_called_with()
        return

    def test_error_handling(self):
        """
        Does it catch exceptions?
        """
        self.build_ape.side_effect = Exception("arrrrrgh")
        args = MagicMock()
        self.strategy.function(args)
        return