InterfaceComparableLab/src/test/java/com/zipcoder/payment/PaypalTest.java

package com.zipcoder.payment;

import org.junit.Test;

import static org.junit.Assert.*;

public class PaypalTest {

    @Test
    public void getSetId() {
        Paypal paypal = new Paypal();
        long expected = 12345;
        paypal.setId(expected);
        long actual = paypal.getId();
        assertEquals(expected, actual);
    }

    @Test
    public void getSetPayerName() {
        Paypal paypal = new Paypal();
        String expected = "John Doe";
        paypal.setPayerName(expected);
        String actual = paypal.getPayerName();
        assertEquals(expected, actual);
    }

    @Test
    public void getSetEmail() {
        Paypal paypal = new Paypal();
        String expected = "johndoe@alias.com";
        paypal.setEmail(expected);
        String actual = paypal.getEmail();
        assertEquals(expected, actual);
    }

    @Test
    public void getShortDescription() {
        Paypal paypal = new Paypal();
        paypal.setPayerName("John Doe");
        paypal.setEmail("johndoe@alias.com");
        String expected = "Paypal John Doe johndoe@alias.com";
        String actual = paypal.getShortDescription();
        assertEquals(expected, actual);
    }

    @Test
    public void compareToCheckTest() {
        Paypal paypal = new Paypal();
        paypal.setId(1);
        Check check = new Check();
        check.setId(2);
        int actual = paypal.compareTo(check);
        int expected = -1;
        assertEquals(expected, actual);
    }

    @Test
    public void compareToCheckTest2() {
        Paypal paypal = new Paypal();
        paypal.setId(1);
        Check check = new Check();
        check.setId(1);
        int actual = paypal.compareTo(check);
        int expected = 0;
        assertEquals(expected, actual);
    }

    @Test
    public void compareToCreditCardTest() {
        Paypal paypal = new Paypal();
        paypal.setId(1);
        CreditCard creditCard = new CreditCard();
        creditCard.setId(0);
        int actual = paypal.compareTo(creditCard);
        int expected = 1;
        assertEquals(expected, actual);
    }
}