def test_abs(self):
        tmpl = env.from_string('''{{ -1|abs }}|{{ 1|abs }}''')
        assert tmpl.render() == '1|1', tmpl.render()
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/testsuite/filters.py/FilterTestCase.test_abs/original