refactor: 테스트에서 쓰이는 샘플 응답 상수 클래스인 SampleTossPaymentConst의 코틀린 전환

src/test/java/roomescape/payment/SampleTossPaymentConst.kt

@@ -1,44 +1,73 @@
-package roomescape.payment.infrastructure.client;
+package roomescape.payment
 
-import roomescape.payment.web.dto.request.PaymentCancelRequest;
+import roomescape.payment.SampleTossPaymentConst.amount
-import roomescape.payment.web.dto.request.PaymentRequest;
+import roomescape.payment.web.dto.request.PaymentCancelRequest
+import roomescape.payment.web.dto.request.PaymentRequest
+import kotlin.math.roundToLong
 
-public class SampleTossPaymentConst {
+object SampleTossPaymentConst {
+    @JvmField
+    val paymentKey: String = "5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1"
 
-	public static final PaymentRequest paymentRequest = new PaymentRequest(
+    @JvmField
-		"5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1", "MC4wODU4ODQwMzg4NDk0", 1000L, "카드");
+    val orderId: String = "MC4wODU4ODQwMzg4NDk0"
 
-	public static final String paymentRequestJson = """
+    @JvmField
+    val amount: Long = 1000L
+
+    @JvmField
+    val paymentType: String = "카드"
+
+    @JvmField
+    val cancelReason: String = "테스트 결제 취소"
+
+    @JvmField
+    val paymentRequest: PaymentRequest = PaymentRequest(
+            paymentKey,
+            orderId,
+            amount,
+            paymentType
+    )
+
+    @JvmField
+    val paymentRequestJson: String = """
 		{
-		  "paymentKey": "5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1",
+		  "paymentKey": "$paymentKey",
-		  "orderId": "MC4wODU4ODQwMzg4NDk0",
+		  "orderId": "$orderId",
-		  "amount": 1000,
+		  "amount": $amount,
-		  "paymentType": "카드"
+		  "paymentType": "$paymentType"
 		}
-		""";
+		""".trimIndent()
 
-	public static final PaymentCancelRequest cancelRequest = new PaymentCancelRequest(
+    @JvmField
-		"5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1", 1000L, "테스트 결제 취소");
+    val cancelRequest: PaymentCancelRequest = PaymentCancelRequest(
+            paymentKey,
+            amount,
+            cancelReason
+    )
 
-	public static final String cancelRequestJson = """
+    @JvmField
+    val cancelRequestJson: String = """
 		{
-		  "cancelReason": "테스트 결제 취소"
+		  "cancelReason": "$cancelReason"
 		}
-		""";
+	""".trimIndent()
 
-	public static final String tossPaymentErrorJson = """
+    @JvmField
+    val tossPaymentErrorJson: String = """
 		{
 		    "code": "ERROR_CODE",
 		    "message": "Error message"
-		}
+		}	
-		""";
+	""".trimIndent()
 
-	public static final String confirmJson = """
+    @JvmField
+    val confirmJson: String = """
 		{
 		  "mId": "tosspayments",
 		  "lastTransactionKey": "9C62B18EEF0DE3EB7F4422EB6D14BC6E",
-		  "paymentKey": "5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1",
+		  "paymentKey": "$paymentKey",
-		  "orderId": "MC4wODU4ODQwMzg4NDk0",
+		  "orderId": "$orderId",
 		  "orderName": "토스 티셔츠 외 2건",
 		  "taxExemptionAmount": 0,
 		  "status": "DONE",
@@ -88,22 +117,24 @@ public class SampleTossPaymentConst {
 		    "url": "https://api.tosspayments.com/v1/payments/5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1/checkout"
 		  },
 		  "currency": "KRW",
-		  "totalAmount": 1000,
+		  "totalAmount": $amount,
-		  "balanceAmount": 1000,
+		  "balanceAmount": $amount,
-		  "suppliedAmount": 909,
+		  "suppliedAmount": ${(amount / 1.1).roundToLong()},
-		  "vat": 91,
+		  "vat": ${amount - (amount / 1.1).roundToLong()},
 		  "taxFreeAmount": 0,
-		  "method": "카드",
+		  "method": "$paymentType",
 		  "version": "2022-11-16"
 		}
-		""";
+		
+		""".trimIndent()
 
-	public static final String cancelJson = """
+    @JvmField
+    val cancelJson: String = """
 		{
 		  "mId": "tosspayments",
 		  "lastTransactionKey": "090A796806E726BBB929F4A2CA7DB9A7",
-		  "paymentKey": "5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1",
+		  "paymentKey": "$paymentKey",
-		  "orderId": "MC4wODU4ODQwMzg4NDk0",
+		  "orderId": "$orderId",
 		  "orderName": "토스 티셔츠 외 2건",
 		  "taxExemptionAmount": 0,
 		  "status": "CANCELED",
@@ -135,12 +166,12 @@ public class SampleTossPaymentConst {
 		  "cancels": [
 		    {
 		      "transactionKey": "090A796806E726BBB929F4A2CA7DB9A7",
-		      "cancelReason": "테스트 결제 취소",
+		      "cancelReason": "$cancelReason",
 		      "taxExemptionAmount": 0,
 		      "canceledAt": "2024-02-13T12:20:23+09:00",
 		      "easyPayDiscountAmount": 0,
 		      "receiptKey": null,
-		      "cancelAmount": 1000,
+		      "cancelAmount": $amount,
 		      "taxFreeAmount": 0,
 		      "refundableAmount": 0,
 		      "cancelStatus": "DONE",
@@ -166,13 +197,18 @@ public class SampleTossPaymentConst {
 		    "url": "https://api.tosspayments.com/v1/payments/5EnNZRJGvaBX7zk2yd8ydw26XvwXkLrx9POLqKQjmAw4b0e1/checkout"
 		  },
 		  "currency": "KRW",
-		  "totalAmount": 1000,
+		  "totalAmount": $amount,
 		  "balanceAmount": 0,
 		  "suppliedAmount": 0,
 		  "vat": 0,
 		  "taxFreeAmount": 0,
-		  "method": "카드",
+		  "method": "$paymentType",
 		  "version": "2022-11-16"
 		}
-		""";
+		
+		""".trimIndent()
 }
+
+fun main() {
+    println((amount / 1.1).roundToLong())
+}

src/test/java/roomescape/payment/infrastructure/client/TossPaymentClientTest.java

@@ -18,6 +18,7 @@ import org.springframework.test.web.client.MockRestServiceServer;
 
 import roomescape.common.exception.ErrorType;
 import roomescape.common.exception.RoomescapeException;
+import roomescape.payment.SampleTossPaymentConst;
 import roomescape.payment.web.dto.request.PaymentCancelRequest;
 import roomescape.payment.web.dto.request.PaymentRequest;
 import roomescape.payment.web.dto.response.PaymentCancelResponse;