In this speak I told about Spock framework and how you can use it in your pdoduct for testing. Presentation was shown on first meetup of Astana Java User Group.

1. Spock

2. About me

3. Disclaimer

4. Agenda
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5. Unit Testing

6. Main thoughts
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7. Typical Java Unit test

9. Spock

10. What is?
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11. Why?
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12. Why?
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13. Given-When-Then example
def "A basket with one product has equal weight" () {
given: "an empty basket and a TV"
Product tv = new Product(name:"bravia",price:1200,weight:18)
Basket basket = new Basket()
when: "user wants to buy the TV"
basket.addProduct(tv)
then: "basket weight is equal to the TV"
basket.currentWeight == tv.weight
}

14. Why?
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15. Informative message example
import spock.lang.*
class MyFirstSpec extends
Specification {
def "let's try this!" () {
expect:
Math.max(1, 2) == 3
}
}

16. Why?
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17. Interaction testing example
def "credit card connection is always closed down" () {
given: "a basket, a customer and a TV"
Product tv = new Product(name:"bravia",price:1200,weight:18)
BillableBasket basket = new BillableBasket ()
Customer customer = new Customer(...)
and: "a credit card service"
CreditCardProcessor creditCardSevice = Mock(CreditCardProcessor )
basket.setCreditCardProcessor(creditCardSevice)
when: "user checks out the tv"
basket.addProduct tv
basket.checkout(customer)
then: "connection is always closed at the end"
1 * creditCardSevice .shutdown()
}

18. Why?
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19. Data Driven example
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
}
}
​

20. Demo

22. Rules

24. Questions &
Answers

25. Resources

26. Resource
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