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from testtools import content

from pbr.tests import base


class TestCommands(base.BaseTestCase):
    def test_custom_build_py_command(self):
        """Test custom build_py command.

        Test that a custom subclass of the build_py command runs when listed in
        the commands [global] option, rather than the normal build command.
        """

        stdout, stderr, return_code = self.run_setup('build_py')
        self.addDetail('stdout', content.text_content(stdout))
        self.addDetail('stderr', content.text_content(stderr))
        self.assertIn('Running custom build_py command.', stdout)
        self.assertEqual(return_code, 0)
