Gradle + Spock Unit Test

build.gradle

apply plugin: 'java'
apply plugin: 'groovy'

repositories {
	mavenCentral()
}

dependencies {
	groovy 'org.codehaus.groovy:groovy-all:1.8.3'
	testCompile 'org.spockframework:spock-core:0.5-groovy-1.8'
}

Hello.java

package com.example;

public class Hello {
	public String sayHello(String who) {
		return "Hello, " + who;
	}
}

HelloSpec.groovy

import spock.lang.Specification
import com.example.Hello

class HelloSpec extends Specification {

	def "say hello to everyone"() {
		expect:
		new Hello().sayHello(name) == words

		where:
		name	| words
		'John'	| 'Hello, John'
		'Joe'	| 'Hello, Joe'
		'Mary'	| 'Hello, Mary'
	}
}