Revert "[#1] 도서 대출 코드 및 테스트 작성"

build.gradle

@@ -23,10 +23,6 @@ dependencies {
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
-
-	// https://mvnrepository.com/artifact/com.google.code.gson/gson
-	implementation group: 'com.google.code.gson', name: 'gson', version: '2.10.1'
-
 }
 
 tasks.named('test') {

src/test/java/com/study/bookcafe/book/BorrowTest.java

@@ -1,6 +1,6 @@
 package com.study.bookcafe.book;
 
-import com.study.bookcafe.dto.BookDTO;
+import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
@@ -12,11 +12,29 @@ public class BorrowTest {
     @DisplayName("도서가 현재 대출가능한 상태인지 확인한다. (도서의 현재 대출가능수량 확인")
     public void checkBookStatusForBorrow() {
 
-        BookDTO book1 = new BookDTO("채식주의자", 3, 1, 0);
-        BookDTO book2 = new BookDTO("흰", 2, 2, 4);
+        Book book1 = new Book("채식주의자", 3, 1, 0);
+        Book book2 = new Book("흰", 2, 2, 4);
 
-        assertThat(book1.canBorrow()).isEqualTo(true);
-        assertThat(book2.canBorrow()).isEqualTo(false);
+        assertThat(book1.canBorrowed()).isEqualTo(true);
+        assertThat(book2.canBorrowed()).isEqualTo(false);
 
     }
+}
+
+class Book {
+    String title;
+    int inventory;
+    int borrowed;
+    int reservationCount;
+
+    public Book(String title, int inventory, int borrowed, int reservationCount) {
+        this.title = title;
+        this.inventory = inventory;
+        this.borrowed = borrowed;
+        this.reservationCount = reservationCount;
+    }
+
+    public boolean canBorrowed() {
+        return inventory - borrowed > 0;
+    }
 }