gremlin spock radiohead

gistfile1.groovy

@Grapes([
@Grab("com.tinkerpop.gremlin:gremlin-groovy:1.5"),
@Grab("org.spockframework:spock-maven:0.6-groovy-1.8")
])
import com.tinkerpop.gremlin.groovy.*
import spock.lang.Specification
import spock.lang.Shared
import com.tinkerpop.blueprints.pgm.Graph
import com.tinkerpop.blueprints.pgm.impls.tg.TinkerGraphFactory

class HelloSpock extends Specification {
    static {
        Gremlin.load()
    }
    @Shared Graph g = TinkerGraphFactory.createTinkerGraph()

    def setupSpec() {
        g.clear()
        g.addEdge(
                null,
                g.addVertex([type: "artist", name: "Radiohead"]),
                g.addVertex([type: "artist", name: "Arcade Fire"]),
                "SIMILAR_TO"
        )
    }

    def "Radiohead is similar to Arcade Fire"() {
        expect:
        g.getVertex(0) == g.V.filter{it.name == "Radiohead"}.next()
        g.getVertex(1) == g.V.filter{it.name == "Arcade Fire"}.next()
        "Arcade Fire" == g.v(0).filter{it.type == "artist"}.out("SIMILAR_TO").next().name
    }
}