mario-rezende-ifood

@Test
void validateUserRegistration() {

  // setup
  String name = "Fulano"
  int age = 20
  String email = "[email protected]"

  // execute
  User user = UserService().register(name, age, email)

mario-rezende-ifood

def 'Validate user registration'() {

  given: 'user data'
  def name = "Fulano"
  def age = 20
  def email = "[email protected]"

  when: 'register the user'
  def user = UserService().register(name, age, email)

mario-rezende-ifood

def 'Allow user access only for 18 over'(name, age, expected) {

  given: 'user entity'
  def user = new User(name, age)

  when: 'validate user access'
  def userCanAccess = AccessService().grantUser(user)

  then:
  userCanAccess == expected

mario-rezende-ifood

then:
name == 'Fulano'
name != 'Beltrano'
age >= 20
age < 100

mario-rezende-ifood

given: 'open a database connection'
// code goes here

and: 'seed the customer table'
// code goes here

and: 'seed the product table'
// code goes here

mario-rezende-ifood

def 'Maximum of two numbers'() {

  expect:
  Math.max(a, b) == c

  where:
  a | b | c
  1 | 3 | 3
  7 | 4 | 4
  0 | 0 | 0

mario-rezende-ifood

Condition not satisfied:

Math.max(a, b) == c
|    |   |  |  |  |
|    7   7  4  |  4
|              false
class java.lang.Math

mario-rezende-ifood

@Unroll
def 'Maximum of #a and #b is #c'() {
  
 expect:
  Math.max(a, b) == c

  where:
  a | b | c
  1 | 3 | 3
  7 | 4 | 4

mario-rezende-ifood

maximum of 1 and 3 is 3   PASSED
maximum of 7 and 4 is 4   FAILED

Math.max(a, b) == c
|    |   |  |  |  |
|    7   7  4  |  4
|              false
class java.lang.Math

maximum of 0 and 0 is 0   PASSED

mario-rezende-ifood

class Publisher {
  List<Subscriber> subscribers = []
  void send(String message){
    subscribers*.receive(message)
  }
}

interface Subscriber {
  void receive(String message)
}