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Springboot Tdd

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xu-xiang
springboot-tdd

使用 JUnit 5, Mockito, MockMvc, Testcontainers 和 JaCoCo 进行 Spring Boot 的测试驱动开发(TDD)。适用于添加新功能、修复 bug 或重构场景。

Overview

Publisherxu-xiang
Repositoryeverything-claude-code-zh
Skill namespringboot-tdd
Stars
1.9K
Forks
318
Bundled files
Instructions only
LicenseMIT
Links
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • Self-contained

    Everything the model needs lives in the instructions — no extra files to sync.

  • Open source

    Published by xu-xiang on GitHub. Read the source before you install it.

Installation

Install the Springboot Tdd AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/xu-xiang/everything-claude-code-zh.git /tmp/everything-claude-code-zh
mkdir -p .claude/skills
cp -r /tmp/everything-claude-code-zh/docs/ja-JP/skills/springboot-tdd .claude/skills/springboot-tdd
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Springboot Tdd in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Springboot Tdd on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Springboot Tdd is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Spring Boot TDD 工作流 (Spring Boot TDD Workflow)

为 Spring Boot 服务提供测试驱动开发(TDD)指南,要求覆盖率达到 80% 以上(单元测试 + 集成测试)。

何时使用

  • 新功能或新端点(Endpoint)
  • Bug 修复或重构
  • 添加数据访问逻辑或安全规则

工作流 (Workflow)

  1. 先写测试(且测试应当失败)
  2. 实现能让测试通过的最小化代码
  3. 在保持测试通过(Green)的状态下进行重构
  4. 强制执行覆盖率检查(JaCoCo)

单元测试 (Unit Testing - 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());
  }
}

模式:

  • Arrange-Act-Assert (准备-执行-断言)
  • 避免使用部分 Mock(Partial Mock),优先使用显式打桩(Stubbing)
  • 针对多种变体情况使用 @ParameterizedTest

Web 层测试 (Web Layer Testing - 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());
  }
}

集成测试 (Integration Testing - 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());
  }
}

持久化测试 (Persistence Testing - 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();
  }
}

Testcontainers

  • 使用可复用的 Postgres/Redis 容器以反映生产环境
  • 通过 @DynamicPropertySource 将 JDBC URL 注入 Spring 上下文 (Context)

覆盖率 (Coverage - JaCoCo)

Maven 代码片段:

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>

断言 (Assertions)

  • 为了可读性,优先使用 AssertJ (assertThat)
  • 对于 JSON 响应使用 jsonPath
  • 对于异常:assertThatThrownBy(...)

测试数据生成器 (Test Data Builder)

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); }
}

CI 命令 (CI Commands)

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

请记住:保持测试的高速、隔离和确定性。测试行为而非实现细节。

Frequently asked questions

What does the Springboot Tdd AI skill do?

使用 JUnit 5, Mockito, MockMvc, Testcontainers 和 JaCoCo 进行 Spring Boot 的测试驱动开发(TDD)。适用于添加新功能、修复 bug 或重构场景。

Why use Springboot Tdd on TypingMind?

Because you install it once and use it with any model. Springboot Tdd is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Springboot Tdd in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/xu-xiang/everything-claude-code-zh/tree/main/docs/ja-JP/skills/springboot-tdd. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Springboot Tdd?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Springboot Tdd?

As many as you like. As long as a model supports skills, you can use Springboot Tdd with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Springboot Tdd AI skill free?

Yes. It is published on GitHub by xu-xiang under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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