Springboot Tdd

affaan-m/ECC/docs/tr/skills/springboot-tdd

作者 affaan-mef648e01899ba3e8dc6371642deaaf64b4477775無授權條款275K 個星標收錄於 2026年10月9日更新於 2026年10月9日儲存庫4 天前更新

Test-driven development for Spring Boot using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo. Use when adding features, fixing bugs, or refactoring.

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指導 Spring Boot 服務的測試驅動開發，使用 JUnit 5、Mockito、MockMvc、Testcontainers 與 JaCoCo。

功能: 此技能為 Spring Boot 服務提供 TDD 工作流程，涵蓋先撰寫失敗測試、實作最小程式碼、重構，以及強制覆蓋率。它提供單元測試（JUnit 5 與 Mockito）、Web 層測試（MockMvc）、整合測試（SpringBootTest）與持久化測試（DataJpaTest 與 Testcontainers）的範例測試模式。它也包含 JaCoCo 的 Maven 設定、斷言建議、測試資料建構器，以及 Maven 與 Gradle 的 CI 指令。
適用情境: 適用於在 Spring Boot 專案中新增功能或端點、修正錯誤、重構，或加入資料存取邏輯與安全規則時。它適合希望採用結構化 TDD 方法並達到 80% 以上單元與整合覆蓋率的開發者。
執行需求: 需要一個 Spring Boot 專案，包含 Java、JUnit 5、Mockito、MockMvc、Testcontainers、JaCoCo，以及 Maven 或 Gradle 等建置工具。以 Testcontainers 為基礎的持久化測試需要容器執行環境。此技能不附帶指令碼，僅為說明文件。

Spring Boot TDD İş Akışı

80%+ kapsam (unit + integration) ile Spring Boot servisleri için TDD rehberi.

Ne Zaman Kullanılır

Yeni özellikler veya endpoint'ler
Bug düzeltmeleri veya refactoring'ler
Veri erişim mantığı veya güvenlik kuralları ekleme

İş Akışı

Önce testleri yazın (başarısız olmalılar)
Geçmek için minimal kod uygulayın
Testleri yeşil tutarken refactor edin
Kapsamı zorlayın (JaCoCo)

Unit Testler (JUnit 5 + Mockito)

java

@ExtendWith(MockitoExtension.class)class MarketServiceTest {  @Mock MarketRepository repo;  @InjectMocks MarketService service;
  @Test  void createsMarket() {    CreateMarketRequest req = new CreateMarketRequest("name", "desc", Instant.now(), List.of("cat"));    when(repo.save(any())).thenAnswer(inv -> inv.getArgument(0));
    Market result = service.create(req);
    assertThat(result.name()).isEqualTo("name");    verify(repo).save(any());  }}

@ExtendWith(MockitoExtension.class)class MarketServiceTest {  @Mock MarketRepository repo;  @InjectMocks MarketService service;
  @Test  void createsMarket() {    CreateMarketRequest req = new CreateMarketRequest("name", "desc", Instant.now(), List.of("cat"));    when(repo.save(any())).thenAnswer(inv -> inv.getArgument(0));
    Market result = service.create(req);
    assertThat(result.name()).isEqualTo("name");    verify(repo).save(any());  }}

Desenler:

Arrange-Act-Assert
Kısmi mock'lardan kaçının; açık stubbing tercih edin
Varyantlar için @ParameterizedTest kullanın

Web Katmanı Testleri (MockMvc)

java

@WebMvcTest(MarketController.class)class MarketControllerTest {  @Autowired MockMvc mockMvc;  @MockBean MarketService marketService;
  @Test  void returnsMarkets() throws Exception {    when(marketService.list(any())).thenReturn(Page.empty());
    mockMvc.perform(get("/api/markets"))        .andExpect(status().isOk())        .andExpect(jsonPath("$.content").isArray());  }}

@WebMvcTest(MarketController.class)class MarketControllerTest {  @Autowired MockMvc mockMvc;  @MockBean MarketService marketService;
  @Test  void returnsMarkets() throws Exception {    when(marketService.list(any())).thenReturn(Page.empty());
    mockMvc.perform(get("/api/markets"))        .andExpect(status().isOk())        .andExpect(jsonPath("$.content").isArray());  }}

Entegrasyon Testleri (SpringBootTest)

java

@SpringBootTest@AutoConfigureMockMvc@ActiveProfiles("test")class MarketIntegrationTest {  @Autowired MockMvc mockMvc;
  @Test  void createsMarket() throws Exception {    mockMvc.perform(post("/api/markets")        .contentType(MediaType.APPLICATION_JSON)        .content("""          {"name":"Test","description":"Desc","endDate":"2030-01-01T00:00:00Z","categories":["general"]}        """))      .andExpect(status().isCreated());  }}

@SpringBootTest@AutoConfigureMockMvc@ActiveProfiles("test")class MarketIntegrationTest {  @Autowired MockMvc mockMvc;
  @Test  void createsMarket() throws Exception {    mockMvc.perform(post("/api/markets")        .contentType(MediaType.APPLICATION_JSON)        .content("""          {"name":"Test","description":"Desc","endDate":"2030-01-01T00:00:00Z","categories":["general"]}        """))      .andExpect(status().isCreated());  }}

Persistence Testleri (DataJpaTest)

java

@DataJpaTest@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)@Import(TestContainersConfig.class)class MarketRepositoryTest {  @Autowired MarketRepository repo;
  @Test  void savesAndFinds() {    MarketEntity entity = new MarketEntity();    entity.setName("Test");    repo.save(entity);
    Optional<MarketEntity> found = repo.findByName("Test");    assertThat(found).isPresent();  }}

@DataJpaTest@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)@Import(TestContainersConfig.class)class MarketRepositoryTest {  @Autowired MarketRepository repo;
  @Test  void savesAndFinds() {    MarketEntity entity = new MarketEntity();    entity.setName("Test");    repo.save(entity);
    Optional<MarketEntity> found = repo.findByName("Test");    assertThat(found).isPresent();  }}

Testcontainers

Production'ı yansıtmak için Postgres/Redis için yeniden kullanılabilir container'lar kullanın
JDBC URL'lerini Spring context'e enjekte etmek için @DynamicPropertySource ile bağlayın

Kapsam (JaCoCo)

Maven snippet:

xml

<plugin>  <groupId>org.jacoco</groupId>  <artifactId>jacoco-maven-plugin</artifactId>  <version>0.8.14</version>  <executions>    <execution>      <goals><goal>prepare-agent</goal></goals>    </execution>    <execution>      <id>report</id>      <phase>verify</phase>      <goals><goal>report</goal></goals>    </execution>  </executions></plugin>

<plugin>  <groupId>org.jacoco</groupId>  <artifactId>jacoco-maven-plugin</artifactId>  <version>0.8.14</version>  <executions>    <execution>      <goals><goal>prepare-agent</goal></goals>    </execution>    <execution>      <id>report</id>      <phase>verify</phase>      <goals><goal>report</goal></goals>    </execution>  </executions></plugin>

Assertion'lar

Okunabilirlik için AssertJ'yi (assertThat) tercih edin
JSON yanıtları için jsonPath kullanın
Exception'lar için: assertThatThrownBy(...)

Test Veri Builder'ları

java

class MarketBuilder {  private String name = "Test";  MarketBuilder withName(String name) { this.name = name; return this; }  Market build() { return new Market(null, name, MarketStatus.ACTIVE); }}

class MarketBuilder {  private String name = "Test";  MarketBuilder withName(String name) { this.name = name; return this; }  Market build() { return new Market(null, name, MarketStatus.ACTIVE); }}

CI Komutları

Maven: mvn -T 4 test veya mvn verify
Gradle: ./gradlew test jacocoTestReport

Unutmayın: Testleri hızlı, izole ve deterministik tutun. Uygulama detaylarını değil, davranışı test edin.

來源與署名

來源：affaan-m/ECC位於docs/tr/skills/springboot-tdd提交ef648e0

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Springboot Tdd

Spring Boot TDD İş Akışı

Ne Zaman Kullanılır

İş Akışı

Unit Testler (JUnit 5 + Mockito)

Web Katmanı Testleri (MockMvc)

Entegrasyon Testleri (SpringBootTest)

Persistence Testleri (DataJpaTest)

Testcontainers

Kapsam (JaCoCo)

Assertion'lar

Test Veri Builder'ları

CI Komutları

來源與署名

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