Spock's Guice Module provides support for testing Guice 2/3 based applications.
'org.spockframework:spock-guice:0.6-groovy-1.7'
<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-guice</artifactId>
<version>0.6-groovy-1.7</version>
</dependency>
<dependency org="org.spockframework" name="spock-guice" rev="0.6-groovy-1.7"/>
"org.spockframework", "spock-guice", "0.6-groovy-1.7"