1. G*
2010/07/24 g*workshop
takuma.watabiki@jggug.org

2. ✤
✤
✤ Grails/Groovy
✤ Java
✤ twitter @bikisuke

3. G*

4. TDD
C)
TDD

5. - BDD -
C)
TDD

7. Ora
C)

8. ✤ BDD Spock
✤ Spock 0.4
✤ Spock

9. BDD Spock

10. BDD
✤ Behaviour Driven Development
✤ 2003 Dan North
✤

11. BDD
✤
✤
✤ BDD
✤

12. ✤ As a
✤ I want
✤ so that

13. ✤ Given
✤ When
✤ Then

14. Spock
✤ Java Groovy
BDD
✤ Java / Groovy JUnit
✤ Data Driven
✤

15. ✤ Java 5
✤ Groovy 1.6 or 1.7
✤ JUnit 4.4

16. ✤ IDE
✤ Ant, Maven, Gradle
✤ IDE Eclipse / STS, IntelliJ IDEA
✤ GAE
http://meetspock.appspot.com/

17. Hello Spock
Specification
import spock.lang.*
class HelloSpock extends spock.lang.Specification {
def cleanup() {
println ' '
}
def " "() {
expect:
name.size() == length
where:
name | length
"Spock" | 5
}
}

18. BDD × Spock

19. C) 2006 ADK

20. As a
I want
so that

21. Given
And
When
Then

22. class MaskedRiderKabutoSpec extends Specification {
def tendoSouji = new TendoSouji()
def " "() {
given: " "
tendoSouji.zector = KabutoZector.getZector()
and: " "
tendoSouji.attachRiderBelt()
when: " "
tendoSouji.setZector()
then: " "
tendoSouji.maskedRiderType == MaskedRiderType.ARMERED_FORM
}
}

23. class KabutoZector {
private static KabutoZector instance = new KabutoZector()
private KabutoZector() {}
static def getZector() {
return instance
enum MaskedRiderType {
}
ARMERED_FORM,
} class TendoSouji {
RIDER_FORM
def zector
}
class RiderBelt { def riderBelt
def zector MaskedRiderType maskedRiderType
boolean existZector() {
return zector?:false attachRiderBelt() {
def
} riderBelt = new RiderBelt()
def getMaskedArmer()} {
if(existZector()) {
def setZector() {
return MaskedRiderType.ARMERED_FORM
} riderBelt.zector = this.zector
} maskedRiderType = riderBelt.getMaskedArmer()
} }
}

24. C) 2006 ADK

26. Spock 0.4

27. ✤ JUnit Rules
✤ Stepwise
✤
✤
✤

28. JUnit Rules
import org.junit.Rule
import org.junit.rules.*
import spock.lang.Specification
import jggug.sample.rules.*
class TimeoutRuleSpec extends Specification {
// JUnit Rules Timeout
@Rule timeout = new Timeout(5000)
// Rules PrintLog
@Rule printLog = new PrintLog()
def " "() {
Thread.sleep 4999
expect: 2 == 1+1
}
}

29. Stepwise
@Stepwise
class StepwiseExtension extends Specification {
def " "() {
expect: true
}
def " "() {
expect: false
}
def " "() {
expect: true
}
}

30. class OrderedInteractions extends Specification {
def " "() {
def philip = Mock(DoubleDriver)
def shotaro = Mock(DoubleDriver)
when:
philip.setGaiaMemory(' ')
shotaro.setGaiaMemory(' ')
then:
1 * philip.setGaiaMemory(' ')
then:
1 * shotaro.setGaiaMemory(' ')
}
}

31. abstract class AbstractSpec extends Specification {
def " "() {
setup: ' ' }
def " "() {
setup: ' ' }
}
class ConcreteSpec1 extends AbstractSpec {
def " "() {
setup: ' ' }
def " "() {
setup: ' ' }
}

32. class BlockingVariableSpec extends Specification {
def " " () {
def machine = new Machine()
def result = new BlockingVariables<WorkResult>()
machine.workDone << { r ->
result.set(r)
}
when:
machine.start()
then:
result.get() == WorkResult.OK
cleanup:
machine.shutdown()
}
}

33. Spock

34. Grails

35. Grails 1.2
# grails install-plugin spock-0.4-groovy-1.6
Grails 1.3
# grails install-plugin spock-0.4-groovy-1.7

36. Spec
//
grails.plugin.spock.UnitSpec
//
grails.plugin.spock.ControllerSpec
// TagLib
grails.plugin.spock.TagLibSpec
//
grails.plugin.spock.IntegrationSpec
// GSP
grails.plugin.spock.GroovyPagesSpec

37. import grails.plugin.spock.*
class BookSpec extends UnitSpec {
def " "() {
setup:
mockDomain(Book)
when:
new Book(title:title, price:price).save()
then:
Book.findByTitle(title) != null
where:
title = 'Groovy-tan in Action'
price = 6090
}
}

38. import grails.plugin.spock.*
class BookIntegrationSpec extends IntegrationSpec {
def bookService
def " "() {
when:
bookService.registBook(title, price)
then:
Book.findByTitle(title) != null
where:
title = 'Groovy-tan in Action'
price = 6090
}
}

39. # grails test-app :spock

40. Grails
✓ Spec
Specification
✓ . NG

41. Java
Eclipse

42. Spock

43. Eclipse

45. Groovy

48. import spock.lang.Specification
class CalculatorSpecTest extends Specification {
def ' '() {
expect:
Calculator.multiply(x, y) == result
where:
x | y | result
'2' | '3' | 6
'-2'| '3' | -6
'-2'| '-3' | 6
'2' | '0' | 0
}
}

50. Eclipse
✓ jar OK
✓ Java
Groovy
✓

52. ✤ BDD
✤ Spock Java/Groovy
BDD
✤ Spock 0.4
✤ Grails GSP
✤ Eclipse Java Spock

53. Happy Spec’ing !

55. G*
2010/07/24 g*workshop
takuma.watabiki@jggug.org