Migrate Spring Boot 2.x projects to JUnit 5 from JUnit 4.

org.openrewrite.java.spring.boot2.SpringBoot2JUnit4to5Migration
This recipe will migrate a Spring Boot application's tests from JUnit 4 to JUnit 5. This spring-specific migration includes conversion of Spring Test runners to Spring Test extensions and awareness of the composable Spring Test annotations.
Tags
spring
junit
test
jupiter
boot
Source
​GitHub, Issue Tracker, Maven Central​
groupId: org.openrewrite.recipe
artifactId: rewrite-spring
version: 5.0.10
Usage
This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-spring:5.0.10 in your build file or by running a shell command (in which case no build changes are needed):
Gradle
Gradle init script
Maven POM
Maven Command Line
1.Add the following to your build.gradle file:
build.gradle
plugins {
    id("org.openrewrite.rewrite") version("6.3.11")
}
​
rewrite {
    activeRecipe("org.openrewrite.java.spring.boot2.SpringBoot2JUnit4to5Migration")
}
​
repositories {
    mavenCentral()
}
​
dependencies {
    rewrite("org.openrewrite.recipe:rewrite-spring:5.0.10")
}
2.Run gradle rewriteRun to run the recipe.
1.Create a file named init.gradle in the root of your project.
init.gradle
initscript {
    repositories {
        maven { url "https://plugins.gradle.org/m2" }
    }
    dependencies { classpath("org.openrewrite:plugin:6.3.11") }
}
rootProject {
    plugins.apply(org.openrewrite.gradle.RewritePlugin)
    dependencies {
        rewrite("org.openrewrite.recipe:rewrite-spring:5.0.10")
    }
    rewrite {
        activeRecipe("org.openrewrite.java.spring.boot2.SpringBoot2JUnit4to5Migration")
    }
    afterEvaluate {
        if (repositories.isEmpty()) {
            repositories {
                mavenCentral()
            }
        }
    }
}
2.Run gradle --init-script init.gradle rewriteRun to run the recipe.
1.Add the following to your pom.xml file:
pom.xml
<project>
  <build>
    <plugins>
      <plugin>
        <groupId>org.openrewrite.maven</groupId>
        <artifactId>rewrite-maven-plugin</artifactId>
        <version>5.5.2</version>
        <configuration>
          <activeRecipes>
            <recipe>org.openrewrite.java.spring.boot2.SpringBoot2JUnit4to5Migration</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-spring</artifactId>
            <version>5.0.10</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>
</project>
2.Run mvn rewrite:run to run the recipe.
shell
mvn -U org.openrewrite.maven:rewrite-maven-plugin:run \
  -Drewrite.recipeArtifactCoordinates=org.openrewrite.recipe:rewrite-spring:RELEASE \
  -Drewrite.activeRecipes=org.openrewrite.java.spring.boot2.SpringBoot2JUnit4to5Migration
Definition
Recipe List
Yaml Recipe List
​JUnit Jupiter migration from JUnit 4.x​
​Migrate @OutputCaptureRule to @ExtendWith(OutputCaptureExtension.class)​
​Remove unnecessary Spring @RunWith​
​Remove @SpringExtension​
​Replace @ExtendWith and @ContextConfiguration with @SpringJunitConfig​
​Remove obsolete Spring JUnit runners​
​Add Gradle or Maven dependency​
groupId: org.springframework.boot
artifactId: spring-boot-tools
version: 2.x
onlyIfUsing: org.springframework.boot.testsupport.runner.classpath.ModifiedClassPathExtension
---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.java.spring.boot2.SpringBoot2JUnit4to5Migration
displayName: Migrate Spring Boot 2.x projects to JUnit 5 from JUnit 4.
description: This recipe will migrate a Spring Boot application's tests from JUnit 4 to JUnit 5. This spring-specific migration includes conversion of Spring Test runners to Spring Test extensions and awareness of the composable Spring Test annotations.
​
tags:
  - spring
  - junit
  - test
  - jupiter
  - boot
recipeList:
  - org.openrewrite.java.testing.junit5.JUnit4to5Migration
  - org.openrewrite.java.spring.boot2.OutputCaptureExtension
  - org.openrewrite.java.spring.boot2.UnnecessarySpringRunWith
  - org.openrewrite.java.spring.boot2.UnnecessarySpringExtension
  - org.openrewrite.java.spring.boot2.ReplaceExtendWithAndContextConfiguration
  - org.openrewrite.java.spring.boot2.RemoveObsoleteSpringRunners
  - org.openrewrite.java.dependencies.AddDependency:
      groupId: org.springframework.boot
      artifactId: spring-boot-tools
      version: 2.x
      onlyIfUsing: org.springframework.boot.testsupport.runner.classpath.ModifiedClassPathExtension
​
Contributors
Patrick Way
​Jonathan Schneider​
​Knut Wannheden​
​Patrick​
​Sam Snyder​
​Jonathan Schnéider​
​Greg Adams​
​Tim te Beek​
​Tracey Yoshima​
Yeikel
​Greg Adams​
​Nick McKinney​
Tyler Van Gorder
​Tim te Beek​
nbruno
​Aaron Gershman​
​Sofia Britto Schwartz​
John Burns
​Michael Keppler​
​traceyyoshima​
​Scott Jungling​
Kun Li
Ties van de Ven
Peter Puškár
​Tim te Beek​
​Joan Viladrosa​
​Kun Li​
​Kyle Scully​
​Simon Verhoeven​
See how this recipe works across multiple open-source repositories
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Last modified 5d ago