From eb492a95810b3b1a410e382bf09ac39765f953e4 Mon Sep 17 00:00:00 2001
From: jinyoungchoi95 <jinyoungchoi95@gmail.com>
Date: Fri, 29 Oct 2021 16:50:31 +0900
Subject: [PATCH] =?UTF-8?q?[#70]=20feat:=20favoriting=20user=20=EC=88=98?=
 =?UTF-8?q?=20=EB=B0=98=ED=99=98=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84=20?=
 =?UTF-8?q?=EB=B0=8F=20=ED=85=8C=EC=8A=A4=ED=8A=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../article/domain/FavoritingUsers.java       |  4 ++++
 .../article/domain/FavoritingUsersTest.java   | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/main/java/com/study/realworld/article/domain/FavoritingUsers.java b/src/main/java/com/study/realworld/article/domain/FavoritingUsers.java
index e5c0548b..a56db5ae 100644
--- a/src/main/java/com/study/realworld/article/domain/FavoritingUsers.java
+++ b/src/main/java/com/study/realworld/article/domain/FavoritingUsers.java
@@ -34,6 +34,10 @@ public boolean isFavorite(User user) {
         return favoritingUsers.contains(user);
     }
 
+    public int favoritesCount() {
+        return favoritingUsers.size();
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) {
diff --git a/src/test/java/com/study/realworld/article/domain/FavoritingUsersTest.java b/src/test/java/com/study/realworld/article/domain/FavoritingUsersTest.java
index 1d1216fd..fb3ce555 100644
--- a/src/test/java/com/study/realworld/article/domain/FavoritingUsersTest.java
+++ b/src/test/java/com/study/realworld/article/domain/FavoritingUsersTest.java
@@ -1,5 +1,6 @@
 package com.study.realworld.article.domain;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -69,4 +70,22 @@ void falseTest() {
 
     }
 
+    @Test
+    @DisplayName("현재 favoriting 중인 유저의 수를 확인할 수 있다.")
+    void favoritesCountTest() {
+
+        // given
+        Set<User> userSet = new HashSet<>();
+        userSet.add(user);
+        FavoritingUsers favoritingUsers = FavoritingUsers.of(userSet);
+
+        int expected = userSet.size();
+
+        // when
+        int result = favoritingUsers.favoritesCount();
+
+        // then
+        assertThat(result).isEqualTo(expected);
+    }
+
 }
\ No newline at end of file