spring-academy-legacy/spring-boot2-junit5-sample

Spring Boot 2 + JUnit 5 + Maven Sample application

Spring Boot 2 + JUnit 5 Sample application

Check step by step video on YouTube

1. Add JUnit 5 Dependencies to pom.xml

<dependency>
	<groupId>org.junit.jupiter</groupId>
	<artifactId>junit-jupiter-api</artifactId>
	<scope>test</scope>
</dependency>

<dependency>
	<groupId>org.junit.jupiter</groupId>
	<artifactId>junit-jupiter-engine</artifactId>
	<scope>test</scope>
</dependency>

2. Exclude JUnit 4 from Spring Boot Starter Test

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-test</artifactId>
	<scope>test</scope>
	<exclusions>
		<exclusion>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
		</exclusion>
	</exclusions>
</dependency>

3. Migrate existing test to JUnit 5

NOTE: No need for @ExtendWith(SpringExtension.class)

package com.example.demo;

import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
public class DemoApplicationTests {

	@Test
	public void contextLoads() {
	}
}