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Testing Spring Boot Docker Context Loading in spring-boot-examples

This test suite validates the Spring Boot application’s Docker configuration and context loading capabilities. It ensures the basic application container setup functions correctly and the Spring context loads properly in a containerized environment.

Test Coverage Overview

The test coverage focuses on validating the Spring Boot application context loading within a Docker environment.

Key areas covered include:

Spring context initialization
Docker container configuration validation
Basic application bootstrap verification

Implementation Analysis

The implementation utilizes Spring’s test framework with JUnit integration, employing the SpringRunner test executor. The @SpringBootTest annotation enables full application context testing, while keeping the test structure minimal and focused.

Key patterns include:

Spring Runner configuration
Context loading verification
Docker environment testing

Technical Details

Testing tools and configuration:

JUnit 4 test framework
SpringRunner test executor
@SpringBootTest annotation for context loading
Spring Boot test context framework
Docker container integration testing

Best Practices Demonstrated

The test suite demonstrates several testing best practices for Spring Boot Docker applications.

Notable practices include:

Clean and focused test scope
Proper Spring test configuration
Integration test isolation
Container-aware testing approach

ityouknow/spring-boot-examples

2.x/spring-boot-docker/src/test/java/com/neo/DockerApplicationTests.java

            
package com.neo;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
public class DockerApplicationTests {

	@Test
	public void contextLoads() {
		System.out.println("hello docker");
	}

}