build.gradle

apply plugin: 'eclipse'
apply plugin: 'groovy'

repositories {
    mavenCentral()
}

dependencies {
    groovy      "org.codehaus.groovy:groovy-all:2.0.5"
    testCompile 'org.apache.ivy:ivy:2.2.0-rc1'
    testCompile "org.spockframework:spock-core:0.7-groovy-2.0"
}

first_step2.groovy

@Grab('org.spockframework:spock-core:0.7-groovy-2.0')

class HelloSpock extends spock.lang.Specification {
    def "length of Spock's and his friends' names"() {
        expect:
        name.size() == length

        where:
        name     | length
        "Spock"  | 5
        "Kirk"   | 4
        "Scotty" | 6
    }
}