테스트 케이스 추가

Author: malibinYun

src/test/java/com/javabom/lotto/domain/ticket/LottoMoneyTest.java

@@ -27,4 +27,30 @@ void calculateQuantityPer() {
         // then
         assertThat(money.calculateQuantityPer(price)).isEqualTo(expectedQuantity);
     }
+
+    @DisplayName("돈 소비할 때 제대로 남는 돈이 제대로 계산 되는지 확인")
+    @Test
+    void spend() {
+        // given
+        Money money = new Money(5_000);
+        Money spendMoney = new Money(2_000);
+        Money expectedMoney = new Money(3_000);
+
+        // then
+        assertThat(money.spend(spendMoney)).isEqualTo(expectedMoney);
+    }
+
+    @DisplayName("남은 돈 보다 더 많은 돈을 사용할 수는 없음.")
+    @Test
+    void validateCanSpendMoney() {
+        // given
+        Money bigMoney = new Money(5_000);
+        Money smallMoney = new Money(3_000);
+        // then
+        assertThatThrownBy(() ->smallMoney.spend(bigMoney))
+                .isInstanceOf(IllegalArgumentException.class)
+                .hasMessage("현재 값 (3000) 보다 사용하려는 금액 (5000) 이 더 많습니다.");
+
+
+    }
 }

src/test/java/com/javabom/lotto/domain/ticket/LottoTicketTest.java

@@ -50,4 +50,29 @@ void validateLottoNumbersSize(int size) {
                 .isInstanceOf(IllegalArgumentException.class)
                 .hasMessage("로또 티켓에 6개 숫자를 넣어야 합니다. 입력 size : " + size);
     }
+
+    @DisplayName("로또 번호 매치 수를 잘 구하는지 확인")
+    @Test
+    void countMatchingNumbers() {
+        // given
+        LottoTicket ticket1 = new LottoTicket(Arrays.asList(
+                new LottoNumber(1),
+                new LottoNumber(2),
+                new LottoNumber(3),
+                new LottoNumber(4),
+                new LottoNumber(5),
+                new LottoNumber(6)
+        ));
+        LottoTicket ticket2 = new LottoTicket(Arrays.asList(
+                new LottoNumber(1),
+                new LottoNumber(2),
+                new LottoNumber(3),
+                new LottoNumber(4),
+                new LottoNumber(7),
+                new LottoNumber(8)
+        ));
+
+        // then
+        assertThat(ticket1.countMatchingNumbers(ticket2)).isEqualTo(4);
+    }
 }

src/test/java/com/javabom/lotto/domain/ticket/LottoTicketsTest.java

@@ -0,0 +1,42 @@
+package com.javabom.lotto.domain.ticket;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class LottoTicketsTest {
+
+    @DisplayName("두 일급 컬렉션 합치기")
+    @Test
+    void add() {
+        // given
+        LottoTicket ticket1 = new LottoTicket(Arrays.asList(
+                new LottoNumber(1),
+                new LottoNumber(2),
+                new LottoNumber(3),
+                new LottoNumber(4),
+                new LottoNumber(5),
+                new LottoNumber(6)
+        ));
+        LottoTicket ticket2 = new LottoTicket(Arrays.asList(
+                new LottoNumber(1),
+                new LottoNumber(2),
+                new LottoNumber(3),
+                new LottoNumber(4),
+                new LottoNumber(7),
+                new LottoNumber(8)
+        ));
+        LottoTickets lottoTickets1 = new LottoTickets(Arrays.asList(ticket1));
+        LottoTickets lottoTickets2 = new LottoTickets(Arrays.asList(ticket2));
+
+        // when
+        LottoTickets addedLottoTickets = lottoTickets1.add(lottoTickets2);
+
+        // then
+        assertThat(addedLottoTickets.get()).isEqualTo(Arrays.asList(ticket1, ticket2));
+
+    }
+}