# This file is part of cloud-init. See LICENSE file for license information.

"""cloud-init Integration Test Verify Script."""

from tests.cloud_tests.testcases import base

class TestFinalMessage(base.CloudTestCase):

    """Test cloud init module `cc_final_message`."""

    subs_char = '$'

    def get_final_message_config(self):

        """Get config for final message."""

        self.assertIn('final_message', self.cloud_config)

        return self.cloud_config['final_message']

    def get_final_message(self):

        """Get final message from log."""

        out = self.get_data_file('cloud-init-output.log')

        lines = len(self.get_final_message_config().splitlines())

        return '\n'.join(out.splitlines()[-1 * lines:])

    def test_final_message_string(self):

        """Ensure final handles regular strings."""

        for actual, config in zip(

                self.get_final_message().splitlines(),

                self.get_final_message_config().splitlines()):

            if self.subs_char not in config:

                self.assertEqual(actual, config)

    def test_final_message_subs(self):

        """Test variable substitution in final message."""

        # TODO: add verification of other substitutions

        patterns = {'$datasource': self.get_datasource()}

        for key, expected in patterns.items():

            index = self.get_final_message_config().splitlines().index(key)

            actual = self.get_final_message().splitlines()[index]

            self.assertEqual(actual, expected)

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