feat: JuiceMaker make(with: ) 생성 #1

- Unit test 통과 - FruitStoreError Error 프로토콜 제거
yagom-academy · Feb 16, 2022 · 4d80b27 · 4d80b27
1 parent 19577db
commit 4d80b27
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Showing 5 changed files with 88 additions and 10 deletions.
diff --git a/JuiceMaker/JuiceMaker.xcodeproj/project.pbxproj b/JuiceMaker/JuiceMaker.xcodeproj/project.pbxproj
@@ -7,6 +7,7 @@
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 /* Begin PBXBuildFile section */
+		08A08DD927BD25930018CFFE /* JuiceMakerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 08A08DD827BD25930018CFFE /* JuiceMakerTests.swift */; };
 		73B6685227BBE7CE005CF6E3 /* FruitType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 73B6685127BBE7CE005CF6E3 /* FruitType.swift */; };
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@@ -31,6 +32,7 @@
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 /* Begin PBXFileReference section */
+		08A08DD827BD25930018CFFE /* JuiceMakerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JuiceMakerTests.swift; sourceTree = "<group>"; };
 		73B6685127BBE7CE005CF6E3 /* FruitType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FruitType.swift; sourceTree = "<group>"; };
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@@ -69,6 +71,7 @@
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 			children = (
 				73B6685927BBFEE3005CF6E3 /* FruitStoreTests.swift */,
+				08A08DD827BD25930018CFFE /* JuiceMakerTests.swift */,
 			);
 			path = JuiceMakerTests;
 			sourceTree = "<group>";
@@ -87,9 +90,9 @@
 			isa = PBXGroup;
 			children = (
 				C73DAF4B255D0D0400020D38 /* JuiceMaker.swift */,
+				73B6686227BD18D3005CF6E3 /* JuiceRecipes.swift */,
 				C71CD66A266C7ACB0038B9CB /* FruitStore.swift */,
 				73B6685127BBE7CE005CF6E3 /* FruitType.swift */,
-				73B6686227BD18D3005CF6E3 /* JuiceRecipes.swift */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -234,6 +237,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				73B6686127BC026A005CF6E3 /* FruitStoreTests.swift in Sources */,
+				08A08DD927BD25930018CFFE /* JuiceMakerTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

diff --git a/JuiceMaker/JuiceMaker/Model/FruitStore.swift b/JuiceMaker/JuiceMaker/Model/FruitStore.swift
@@ -6,7 +6,7 @@
 
 import Foundation
 
-enum FruitStoreError: Error {
+enum FruitStoreError {
     case notEnoughFruits
 }
 

diff --git a/JuiceMaker/JuiceMaker/Model/JuiceMaker.swift b/JuiceMaker/JuiceMaker/Model/JuiceMaker.swift
@@ -8,5 +8,19 @@ import Foundation
 
 // 쥬스 메이커 타입
 struct JuiceMaker {
+    private var fruitStore: FruitStore
 
+    init(fruitStore: FruitStore = FruitStore()) {
+        self.fruitStore = fruitStore
+    }
+
+    mutating func make(with recipe: RecipeProtocol) -> Result<Void, Error> {
+        let result = fruitStore.use(of: recipe.items)
+        switch result {
+        case .success():
+            return .success(Void())
+        case .failure(let error):
+            return .failure(error)
+        }
+    }
 }
diff --git a/JuiceMaker/JuiceMaker/Model/JuiceRecipes.swift b/JuiceMaker/JuiceMaker/Model/JuiceRecipes.swift
@@ -8,48 +8,48 @@
 import Foundation
 
 protocol RecipeProtocol {
-    var recipe: [FruitType: Int] { get }
+    var items: [FruitType: Int] { get }
 }
 
 struct StrawberryJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .strawberry: 16
     ]
 }
 
 struct BananaJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .banana: 2
     ]
 }
 
 struct PineappleJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .pineapple: 2
     ]
 }
 
 struct KiwiJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .kiwi: 3
     ]
 }
 
 struct MangoJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .mango: 3
     ]
 }
 
 struct StrawberryBananaJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .strawberry: 10,
         .banana: 1
     ]
 }
 
 struct MangoKiwiJuice: RecipeProtocol {
-    var recipe: [FruitType: Int] = [
+    var items: [FruitType: Int] = [
         .mango: 2,
         .kiwi: 1
     ]

diff --git a/JuiceMaker/JuiceMakerTests/JuiceMakerTests.swift b/JuiceMaker/JuiceMakerTests/JuiceMakerTests.swift
@@ -0,0 +1,60 @@
+//
+//  JuiceMakerTests.swift
+//  JuiceMakerTests
+//
+//  Created by 황제하 on 2022/02/16.
+//
+
+import XCTest
+@testable import JuiceMaker
+
+private extension XCTestCase {
+    func XCTSuccess() {
+        XCTAssert(true)
+    }
+}
+
+struct MockJuice: RecipeProtocol {
+    var items: [FruitType : Int]
+}
+
+class JuiceMakerTests: XCTestCase {
+
+    // MARK: - Test codes
+
+    func test_인벤토리보다_적은과일쥬스를_만들었을때_성공을_반환하는가() {
+        // given
+        let fruitStore = FruitStore(initialFruitCount: 10)
+        var juiceMaker = JuiceMaker(fruitStore: fruitStore)
+        let input = MockJuice(items: [.banana: 5])
+
+        // when
+        let writeResult = juiceMaker.make(with: input)
+
+        // then
+        switch writeResult {
+        case .success():
+            XCTSuccess()
+        case .failure(let error):
+            XCTFail(error.localizedDescription)
+        }
+    }
+
+    func test_인벤토리보다_많은과일쥬스를_만들었을때_실패을_반환하는가() {
+        // given
+        let fruitStore = FruitStore(initialFruitCount: 10)
+        var juiceMaker = JuiceMaker(fruitStore: fruitStore)
+        let input = MockJuice(items: [.banana: 15])
+
+        // when
+        let writeResult = juiceMaker.make(with: input)
+
+        // then
+        switch writeResult {
+        case .success():
+            XCTFail()
+        case .failure(_):
+            XCTSuccess()
+        }
+    }
+}