From a5ab11f88c75564e1e39fecc030e95168234491c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E1=84=80=E1=85=B5=E1=86=B7=E1=84=8C=E1=85=A5=E1=86=BC?=
 =?UTF-8?q?=E1=84=89=E1=85=A1=E1=86=BC?= <jeongsang.kim@holich.net>
Date: Wed, 16 Feb 2022 22:09:09 +0900
Subject: [PATCH] =?UTF-8?q?test=20JuiceMaker=20test=5F=EA=B3=BC=EC=9D=BC?=
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- FruitStore 타입 변경 (Struct -> Class)
---
 JuiceMaker/JuiceMaker/Model/FruitStore.swift  |  6 ++---
 .../JuiceMakerTests/JuiceMakerTests.swift     | 25 +++++++++++++++++++
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/JuiceMaker/JuiceMaker/Model/FruitStore.swift b/JuiceMaker/JuiceMaker/Model/FruitStore.swift
index c5191734e..ac9b1c2df 100644
--- a/JuiceMaker/JuiceMaker/Model/FruitStore.swift
+++ b/JuiceMaker/JuiceMaker/Model/FruitStore.swift
@@ -20,7 +20,7 @@ extension FruitStoreError: LocalizedError {
 }
 
 /// 과일 저장소 타입
-struct FruitStore {
+class FruitStore {
     private(set) var inventory = [FruitType: Int]()
     
     init(initialFruitCount: Int = 10) {
@@ -29,7 +29,7 @@ struct FruitStore {
         }
     }
     
-    mutating func use(of fruitTypes: [FruitType: Int]) -> Result<Void, FruitStoreError> {
+    func use(of fruitTypes: [FruitType: Int]) -> Result<Void, FruitStoreError> {
         let checkedInventory =  checkInventory(of: fruitTypes)
         switch checkedInventory {
         case .success():
@@ -40,7 +40,7 @@ struct FruitStore {
         }
     }
     
-    mutating func changeFruitCount(of fruit: FruitType, count: Int) {
+    func changeFruitCount(of fruit: FruitType, count: Int) {
         guard count > 0 else {
             return
         }
diff --git a/JuiceMaker/JuiceMakerTests/JuiceMakerTests.swift b/JuiceMaker/JuiceMakerTests/JuiceMakerTests.swift
index 71cd066d3..a1c40fc6e 100644
--- a/JuiceMaker/JuiceMakerTests/JuiceMakerTests.swift
+++ b/JuiceMaker/JuiceMakerTests/JuiceMakerTests.swift
@@ -57,4 +57,29 @@ class JuiceMakerTests: XCTestCase {
             XCTSuccess()
         }
     }
+    
+    func test_과일쥬스를_만들고_남은과일의_개수가_올바른가() {
+        // given
+        let fruitStore = FruitStore(initialFruitCount: 10)
+        var juiceMaker = JuiceMaker(fruitStore: fruitStore)
+        let input = MockJuice(items: [.banana: 5])
+        let expected: [FruitType: Int] = [
+            .strawberry: 10,
+            .banana: 5,
+            .pineapple: 10,
+            .kiwi: 10,
+            .mango: 10
+        ]
+
+        // when
+        let writeResult = juiceMaker.make(with: input)
+        
+        // then
+        switch writeResult {
+        case .success():
+            XCTAssertEqual(fruitStore.inventory, expected)
+        case .failure(_):
+            XCTFail()
+        }
+    }
 }