package com.example.web;

import static org.hamcrest.Matchers.equalTo;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.RequestBuilder;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;

@ExtendWith(SpringExtension.class)
@SpringBootTest
class WebApplicationTests {

    private MockMvc mvc;

    @BeforeEach //替代 @Before
    public void setUp() {
        mvc = MockMvcBuilders.standaloneSetup(new UserController()).build();
    }

    @Test
    public void testUserController() throws Exception {
        // 测试UserController
        RequestBuilder request;

        // 1、get查一下user列表，应该为空
        request = get("/users/");
        mvc.perform(request)
                .andExpect(status().isOk())
                .andExpect(content().string(equalTo("[]")));

        // 2、post提交一个user
        request = post("/users/")
                .contentType(MediaType.APPLICATION_JSON)
                .content("{\"id\":1,\"name\":\"测试大师\",\"age\":20}");
        mvc.perform(request)
                .andExpect(content().string(equalTo("success")));

        // 3、get获取user列表，应该有刚才插入的数据
        request = get("/users/");
        mvc.perform(request)
                .andExpect(status().isOk())
                .andExpect(content().string(equalTo("[{\"id\":1,\"name\":\"测试大师\",\"age\":20}]")));

        // 4、put修改id为1的user
        request = put("/users/1")
                .contentType(MediaType.APPLICATION_JSON)
                .content("{\"name\":\"测试终极大师\",\"age\":30}");
        mvc.perform(request)
                .andExpect(content().string(equalTo("success")));

        // 5、get一个id为1的user
        request = get("/users/1");
        mvc.perform(request)
                .andExpect(content().string(equalTo("{\"id\":1,\"name\":\"测试终极大师\",\"age\":30}")));

        // 6、del删除id为1的user
        request = delete("/users/1");
        mvc.perform(request)
                .andExpect(content().string(equalTo("success")));

        // 7、get查一下user列表，应该为空
        request = get("/users/");
        mvc.perform(request)
                .andExpect(status().isOk())
                .andExpect(content().string(equalTo("[]")));

    }

}