'Verify that `get_css_dependencies` returns correct list of files.'

@ddt.data((True, [u'combined.css']), (False, [u'a.css', u'b.css', u'c.css']))
@ddt.unpack
def test_get_css_dependencies(self, pipeline_enabled, expected_css_dependencies):

    pipeline_css = {u'style-group': {u'source_filenames': [u'a.css', u'b.css', u'c.css'], u'output_filename': u'combined.css'}}
    with self.settings(PIPELINE_ENABLED=pipeline_enabled, PIPELINE_CSS=pipeline_css):
        css_dependencies = get_css_dependencies(u'style-group')
        self.assertEqual(css_dependencies, expected_css_dependencies)
