def test_to_lp_lp_expr_constant_zero(self, expression): expr = LpExpression(expression={}, constant=0) assert expr.to_lp_terms() == ['0']
def test_to_lp_lp_expr(self, x, y): expr = LpExpression(expression={x: 1, y: -1}, constant=100) assert expr.to_lp_terms() == ['x', '- y', '+ 100']