java-tdd-domain-modelling/src/test/java/com/booleanuk/core/BasketTest.java at 9875757ab92a85a66921028f9c64d4d8a477996a · boolean-uk/java-tdd-domain-modelling · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
package com.booleanuk.core;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

public class BasketTest {

    @Test
    public void addItemThatDoesNotExist() {
        Basket basket = new Basket();
        Assertions.assertTrue(basket.add("milk", 2));
    }

    @Test
    public void addItemThatAlreadyExists() {
        Basket basket = new Basket();
        basket.items.put("butter", 4);
        Assertions.assertFalse(basket.add("butter", 4));
    }

    @Test
    public void getCorrectTotalCost() {
        Basket basket = new Basket();
        basket.items.put("butter", 4);
        basket.items.put("milk", 2);
        basket.items.put("coffee", 7);
        Assertions.assertEquals(13, basket.total());
    }

    @Test
    public void getWrongTotalCost() {
        Basket basket = new Basket();
        basket.items.put("butter", 4);
        basket.items.put("milk", 2);
        basket.items.put("coffee", 7);
        Assertions.assertNotEquals(10, basket.total());
    }
}