Pillar Bootcamp

EmailSweeper.java

package subscriptions;

import dependencies.User;
import dependencies.UserMailer;
import dependencies.UserRepository;

public class EmailSweeper {
    UserMailer mailer;
    UserRepository repository;
    String unpaidMessage = "Please renew your subscription to Ferret Fancy!";


    public EmailSweeper(UserRepository repository, UserMailer mailer) {
        this.mailer = mailer;
        this.repository = repository;
    }

    public void sweep() {
        User firstUser = repository.getUsers().stream().findFirst().get();
        mailer.sendBillingProblemEmailTo(firstUser, unpaidMessage);
    }

}

EmailSweeper.mockito.java

package subscriptions;

import dependencies.User;
import dependencies.UserMailer;
import dependencies.UserRepository;

import java.time.LocalDate;
import java.util.List;

public class EmailSweeper {

    UserMailer mailer;
    UserRepository repository;

    public EmailSweeper(UserRepository repository, UserMailer mailer) {
        this.mailer = mailer;
        this.repository = repository;
    }

    public void sweep() {
        // get user
        // checkUnpaidDate
        // Check if range > 3 mo

        User user = repository.getUsers().get(0);
        mailer.sendBillingProblemEmailTo(user, "Please renew your subscription to Ferret Fancy!");
    }

}

EmailSweeperTest.java

import dependencies.User;
import org.junit.Ignore;
import org.junit.Test;
import subscriptions.EmailSweeper;


import static org.junit.Assert.*;

public class EmailSweeperTest {

    UserMailerSpy userMailerSpy = new UserMailerSpy();
    UserRepositoryStub userRepositoryStub = new UserRepositoryStub();
    EmailSweeper sweeper = new EmailSweeper(userRepositoryStub, userMailerSpy);

    @Test
    public void sendsEmail() {
        sweeper.sweep();
        assertTrue(userMailerSpy.emailSent);
    }

    @Test
    public void sendsEmailToAUser() {
        User user = new UserRepositoryStub().getUsers().stream().findFirst().get();
        sweeper.sweep();
        assertEquals(user, userMailerSpy.userSentTo);
    }

    @Test
    public void sendsEmailWithUnpaidMessage() {
        String message = "Please renew your subscription to Ferret Fancy!";
        sweeper.sweep();
        assertEquals(message, userMailerSpy.emailMessage);
    }

    @Ignore
    @Test
    public void sendsEmailToUnpaidUser() {
        User user = new UserRepositoryStub().getUsers().stream().findFirst().get();
        user.setLastPaidDate(null);

        sweeper.sweep();
        
        assertEquals(userMailerSpy.userSentTo.getLastPaidDate(), null);
        assertEquals(userMailerSpy.emailSent, true);
    }
}

EmailSweeperTest.mochito.java

import dependencies.*;
import org.junit.Ignore;
import org.junit.Test;
import subscriptions.EmailSweeper;

import java.time.LocalDate;
import java.util.Date;

import static org.mockito.Mockito.*;

public class EmailSweeperTest {
    UserMailer mailerMock = mock(RealUserMailer.class);
    UserRepository repositoryMock = mock(RealUserRepository.class);
    EmailSweeper sweeper = new EmailSweeper(repositoryMock, mailerMock);

    @Test
    public void sendsEmail() {

        sweeper.sweep();

        verify(mailerMock, times(1)).sendBillingProblemEmailTo(any(), anyString());
    }

    @Test
    public void sendsUnpaidEmailMessage() {
        String unpaidMessage = "Please renew your subscription to Ferret Fancy!";

        User testUser = new User(false, null, null );
        sweeper.sweep();

        verify(mailerMock, times(1)).sendBillingProblemEmailTo(eq(testUser), eq(unpaidMessage));
    }

    @Test
    @Ignore
    public void sendsEmailToUnpaidUser() {
        LocalDate localDate = LocalDate.of(2018, 12, 24);
        User testUser = new User(false, localDate, null );
        String unpaidMessage = "Please renew your subscription to Ferret Fancy!";
        sweeper.sweep();

        verify(mailerMock,times(1) ).sendBillingProblemEmailTo(eq(testUser), eq(unpaidMessage));
    }
// sends email to unpaid user
    //  sends email to multiple users
}

UserMailSpy.java

import dependencies.User;
import dependencies.UserMailer;

public class UserMailerSpy implements UserMailer {
    public boolean emailSent = false;
    public User userSentTo;
    public String emailMessage;

    @Override
    public void sendBillingProblemEmailTo(User user, String message) {
        emailMessage = message;
        userSentTo = user;
        emailSent = true;
    }
}

UserRepositoryStub.java

import dependencies.User;
import dependencies.UserRepository;

import java.util.ArrayList;
import java.util.List;

public class UserRepositoryStub implements UserRepository {
    @Override
    public List<User> getUsers() {

        return new ArrayList<User>(){{
            add(new User(false, null, null));
        }
        };
    }
}