1.
BDD Test Structure
Сергей Баранов

2.
User Story
As a [Role]
I want [Feature]
So that I receive [Value]

3.
Scenario: how?
Given [State]
When [Action]
Then [Reaction]

4.
Domain Model
User – зарегистрированный пользователь
Habit – привычка
Message – сообщение от User к User
Chat – место общения двух User

5.
User Story: Send Message
As a User
I want to send Message to another User
who forms the same Habit
So that I receive motivation

6.
Scenario: Send Message
Given User 1 and User 2 have the same
Habit
When User 1 sends Message to User 2
Then Both Users receive the Message

7.
Example
public void bothUsersShouldRecieveMessagesFromEachOther ()
{
User sender = new User();
User recipient = new User();
Chat chat = new Chat(sender, recipient);
given(sender.hasHabit(“Refactoring”));
given(recipient.hasHabit(“Refactoring”));
chat.sendMessage("Aloha!");
then(chat.hasMessage(“Aloha!”));
}

8.
+ sendMessage(User who, User whom, String message)
+ getChat(User, User)
– Map<Chat> chats
(key: username1+username2, val: Chat)
ChatManager
+ sendMessage(User whoSent, String message)
+ List<Message> getMessages()
– List<Message> messages
Chat
+ Message(User user, String message)
+ getUser()
+ getMessage()
– User user
– String message
Message
– String username
– List<Habit>
User
– String name
Habit
<<sendMessage>>
<<creates>>
<<creates>>
Chat with «whom.name»
Message.user: message
Message.user: message
Message.user: message