Spring Boot JUnit 5

JUnit5 單元測試

主要為實作JUnit5 實現單元測試,之前用比較多的都是JUnit4,這次會要使用JUnit5主要是因為Spring Boot 2.2.0 以上的版本 JUnit 都改為JUnit5 的版本,藉由此次專案來徹底玩一下單元測試。

以往在測試API如果有使用Swagger 就可以直接在上面測試,但是如果要做到完整的CI/CD,撰寫單元測試的事情是不可或缺的,但因為很久沒有這樣徹底玩過,確實有很多地方是值得一玩,這邊就作為測試的紀錄~ 參考一: 前往 參考二: 前往

// JUnitController.java

import com.longxiang.backstage.controller.model.request.InsertMerchantReq;
import com.longxiang.backstage.controller.model.request.QueryMerchantReq;
import io.swagger.annotations.Api;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

/**
 * Author: Caster
 * Date: 2022/9/14
 * Comment:
 */
@RestController
@Api(tags = "JUnit5測試")
@RequestMapping("/junit")
@RequiredArgsConstructor
@Slf4j
public class JUnitController {

    @GetMapping("/list")
    public ResponseEntity list(@ModelAttribute QueryMerchantReq req){
        log.debug("====> list");
        return ResponseEntity.ok("list");
    }
    @GetMapping("/{id}")
    public ResponseEntity info(@PathVariable Integer id){
        log.debug("====> info");
        return ResponseEntity.ok("info");
    }

    @PostMapping("")
    public ResponseEntity insert(@RequestBody InsertMerchantReq req){
        log.debug("====> insert");
        return ResponseEntity.ok("insert");
    }

    @PutMapping("/{id}")
    public ResponseEntity update(@RequestBody InsertMerchantReq req){
        log.debug("====> update");
        return ResponseEntity.ok("update");
    }

    @DeleteMapping("/{id}")
    public ResponseEntity delete(@PathVariable Integer id){
        log.debug("====> delete");
        return ResponseEntity.ok("delete");
    }
}

import com.longxiang.backstage.controller.model.request.InsertMerchantReq;
import com.longxiang.utils.JsonUtil;
import lombok.extern.slf4j.Slf4j;
import org.junit.jupiter.api.*;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpHeaders;
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.request.MockMvcRequestBuilders;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;

import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

/**
 * Author: Caster
 * Date: 2022/9/14
 * Comment:
 */
@Slf4j
@ExtendWith(SpringExtension.class)
@SpringBootTest
@AutoConfigureMockMvc
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class JUnitControllerTest {

    @Autowired
    private MockMvc mockMvc;
    public HttpHeaders httpHeaders = new HttpHeaders();

    @BeforeAll
    static void beforeAll() throws Exception {
        log.info("------ @BeforeAll ------");
    }

    @BeforeEach
    void beforeEach() throws Exception {
        log.info("------ @BeforeEach ------");
    }

    @AfterAll
    static void afterAll() throws Exception {
        log.info("------ @AfterAll ------");
    }

    @AfterEach
    void afterEach() throws Exception {
        log.info("------ @AfterEach ------");
    }

    @Test
    @Order(0)
    public void listTest() throws Exception {
        MultiValueMap<String, String> param = new LinkedMultiValueMap<>();
        param.add("name", "1");
        param.add("status", "1");
        var result =
                mockMvc.perform(
                                MockMvcRequestBuilders.get("/junit/list")
                                        .headers(httpHeaders)
                                        .params(param))
                        .andExpect(status().isOk())
                        .andDo(print())
                        .andReturn();
        System.out.println(result);
    }

    @Test
    @Order(1)
    public void infoTest() throws Exception {
        Integer id = 1;
        var result =
                mockMvc.perform(
                                MockMvcRequestBuilders.get("/junit/{id}", id)
                                        .headers(httpHeaders))
                        .andExpect(status().isOk())
                        .andDo(print())
                        .andReturn();
        System.out.println(result);
    }

    @Test
    @Order(2)
    public void insertTest() throws Exception {
        var insertInfo = new InsertMerchantReq();
        var result =
                mockMvc.perform(
                                MockMvcRequestBuilders.post("/junit")
                                        .headers(httpHeaders)
                                        .accept(MediaType.APPLICATION_JSON)
                                        .contentType(MediaType.APPLICATION_JSON_VALUE)
                                        .content(JsonUtil.toJson(insertInfo)))
                        .andExpect(status().isOk())
                        .andDo(print())
                        .andReturn();
        System.out.println(result);
    }

    @Test
    @Order(3)
    public void updateTest() throws Exception {
        Integer id = 1;
        var insertInfo = new InsertMerchantReq();
        var result =
                mockMvc.perform(
                                MockMvcRequestBuilders.put("/junit/{id}", id)
                                        .headers(httpHeaders)
                                        .accept(MediaType.APPLICATION_JSON)
                                        .contentType(MediaType.APPLICATION_JSON_VALUE)
                                        .content(JsonUtil.toJson(insertInfo)))
                        .andExpect(status().isOk())
                        .andDo(print())
                        .andReturn();
        System.out.println(result);
    }

    @Test
    @Order(4)
    public void deleteTest() throws Exception {
        Integer id = 1;
        var result =
                mockMvc.perform(
                                MockMvcRequestBuilders.delete("/junit/{id}", id)
                                        .headers(httpHeaders))
                        .andExpect(status().isOk())
                        .andDo(print())
                        .andReturn();
        System.out.println(result);
    }
}
2022-09-14 16:58:08.970 INFO  controller.JUnitControllerTest - ------ @BeforeAll ------

2022-09-14 16:58:27.045 INFO  controller.JUnitControllerTest - ------ @BeforeEach ------
2022-09-14 17:05:54.559 DEBUG backstage.controller.JUnitController - ====> list
2022-09-14 16:58:27.915 INFO  controller.JUnitControllerTest - ------ @AfterEach ------

2022-09-14 17:05:54.626 INFO  controller.JUnitControllerTest - ------ @BeforeEach ------
2022-09-14 17:05:54.650 DEBUG backstage.controller.JUnitController - ====> info
2022-09-14 17:05:54.656 INFO  controller.JUnitControllerTest - ------ @AfterEach ------

2022-09-14 17:05:54.671 INFO  controller.JUnitControllerTest - ------ @BeforeEach ------
2022-09-14 17:05:54.810 DEBUG backstage.controller.JUnitController - ====> insert
2022-09-14 17:05:54.814 INFO  controller.JUnitControllerTest - ------ @AfterEach ------

2022-09-14 17:05:54.824 INFO  controller.JUnitControllerTest - ------ @BeforeEach ------
2022-09-14 17:05:54.836 DEBUG backstage.controller.JUnitController - ====> update
2022-09-14 17:05:54.839 INFO  controller.JUnitControllerTest - ------ @AfterEach ------

2022-09-14 17:05:54.852 INFO  controller.JUnitControllerTest - ------ @BeforeEach ------
2022-09-14 17:05:54.860 DEBUG backstage.controller.JUnitController - ====> delete
2022-09-14 17:05:54.863 INFO  controller.JUnitControllerTest - ------ @AfterEach ------

2022-09-14 16:58:28.306 INFO  controller.JUnitControllerTest - ------ @AfterAll ------

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