def test_undef_contains(self):
        u = ast.Undefined()
        v = ast.Literal('foo')
        cn = ast.ContainsOperator(u, v)
        c, r = optimizer.optimization_pass(cn)
        assert c == 1
        assert isinstance(r, ast.Constant)
        assert r.value == False
Parser method that build a GoogleAnalyticsNode for rendering.
dataset/ETHPy150Open armon/pypred/tests/unit/test_optimizer.py/TestOptimizer.test_undef_contains--crossover with--dataset/ETHPy150Open praekelt/django-google-analytics/google_analytics/templatetags/google_analytics_tags.py/google_analytics