Run JUnit 5 Tests with JBang

JUnit5ExampleTest.java

//usr/bin/env jbang "$0" "$@" ; exit $?
//JAVA 21
//DEPS org.junit.jupiter:junit-jupiter-engine:5.10.1
//DEPS org.junit.platform:junit-platform-console:1.9.3
//DEPS org.assertj:assertj-core:3.25.1

package com.example;

import org.junit.jupiter.api.Test;
import org.junit.platform.console.options.CommandLineOptions;
import org.junit.platform.console.tasks.ConsoleTestExecutor;
import org.junit.platform.engine.discovery.DiscoverySelectors;

import java.io.PrintWriter;
import java.util.List;

import static org.assertj.core.api.Assertions.assertThat;

public class JUnit5ExampleTest {

    @Test
    public void testSpike() {
        assertThat(1 + 1).isEqualTo(2);
    }

    public static void main(String[] args) throws Exception {
        CommandLineOptions options = new CommandLineOptions();
        options.setSelectedClasses(List.of(DiscoverySelectors.selectClass(JUnit5ExampleTest.class)));
        new ConsoleTestExecutor(options).execute(new PrintWriter(System.out));
    }
}