//我拥有具有@请求属性（REQUEST_ATTRIBUTE_USER）User用户的控制器
//如何模拟@RequestAttribute以使测试正常工作

@GetMapping(value = "{shopAccountId}/delivery-days")
public String getDeliveryDates(

        @RequestAttribute(REQUEST_ATTRIBUTE_USER) User user,

        @ApiParam(value = "Shop Account Id", required = true) @PathVariable("shopAccountId") String shopAccountId,
        @ApiParam(value = "Internal", required = true) @RequestParam("internal") Boolean internal,
        @ApiParam(value = "Shipping Condition (0 = GROUND, 2 = DELIVERY_WILL_CALL, 3 = WILL_CALL)", required = true) @RequestParam("shipping_condition") String shippingCondition
) {
    return "123456";
}

public static final String SHOP_ACCOUNT_ID = "278ce8f2-f79f-438e-83f9-eae01ca0f802";

@Test
public void testGetDeliveryDays() {
    Response response = RestAssured
            .given()
            .queryParam("internal", Boolean.TRUE)
            .queryParam("shipping_condition", "0")
            .basePath(String.format("/accounts/%s/delivery-days", SHOP_ACCOUNT_ID))
            .get();
    assertEquals(200, response.getStatusCode(), "Expected status code 200.");
}