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This project is a comprehensive guide and hands-on resource for mastering testing in Spring applications. It covers everything from unit testing to full integration testing using modern tools and best practices.\n\n## 📚 What This Repository Covers\n\nSpring provides powerful testing capabilities, and this repository demonstrates how to use them effectively across all layers of a typical Spring MVC application:\n\n### 🎯 Controller Layer\n- Test your web endpoints using **MockMvc**\n- Validate HTTP requests and responses\n- Simulate user interactions and verify controller logic\n\n### ⚙️ Service Layer\n- Use **Mockito** to mock dependencies\n- Write clean and isolated unit tests\n- Apply **Behavior-Driven Development (BDD)** principles\n\n### 🗄️ Repository Layer\n- Test data access logic with **Spring Data JPA**\n- Use **Testcontainers** to spin up real databases for integration tests\n- Ensure your repositories behave correctly with actual data\n\n### 🧪 Testing Strategies\n- **Unit Testing**: Isolate and test individual components\n- **Slice Testing**: Focus on specific layers (e.g., `@WebMvcTest`, `@DataJpaTest`)\n- **Integration Testing**: Verify end-to-end functionality across layers\n\n### 🥒 BDD with Cucumber\n- Write human-readable test scenarios\n- Connect Gherkin syntax to Spring test logic\n- Promote collaboration between developers and QA\n\n### 🐳 Testcontainers\n- Run real database containers (e.g., PostgreSQL, MySQL) during tests\n- Eliminate environment inconsistencies\n- Improve reliability of integration tests\n\n## 🚀 Technologies Used\n- Spring Boot\n- JUnit 5\n- Mockito\n- MockMvc\n- Cucumber\n- Testcontainers\n- Spring Data JPA\n\n## 📁 Structure\n```\n📦 spring-testing-mastery  \n├── 🧪 unit-tests  \n├── 🧩 slice-tests  \n├── 🔗 integration-tests  \n├── 🥒 bdd-cucumber  \n├── 🐳 testcontainers  \n└── 📚 docs  \n```\n\n## 👨‍💻 Author\n**Edosnwade**  \n---\n\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fedsonwade%2Fspring-testing-mastery","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fedsonwade%2Fspring-testing-mastery","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fedsonwade%2Fspring-testing-mastery/lists"}