'If we\'re using a custom Dockerfile, make sure that\'s not
excluded.'

def test_exclude_custom_dockerfile(self):

    assert (self.exclude(['*'], dockerfile='Dockerfile.alt') == set(['Dockerfile.alt', '.dockerignore']))
    assert (self.exclude(['*'], dockerfile='foo/Dockerfile3') == convert_paths(set(['foo/Dockerfile3', '.dockerignore'])))
