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coupon-core: Coupon 모델관련 테스트 진행
발급 수량, 발급 기한 관련 테스트 진행 테스트 시에는 MySQL DB가 아닌 H2 DB를 바라보도록 yml 설정 추가
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‎coupon-core/src/main/java/org/example/couponcore/exception/CouponIssueException.java‎

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package org.example.couponcore.exception;
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import lombok.Getter;
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@Getter
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public class CouponIssueException extends RuntimeException{
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private final ErrorCode errorCode;
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private final String message;
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public CouponIssueException(ErrorCode errorCode, String message) {
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this.errorCode =errorCode;
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this.message = message;
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}
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@Override
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public String getMessage() {
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return "[%s] %s".formatted(errorCode, message);
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}
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}

‎coupon-core/src/main/java/org/example/couponcore/exception/ErrorCode.java‎

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package org.example.couponcore.exception;
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import lombok.RequiredArgsConstructor;
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@RequiredArgsConstructor
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public enum ErrorCode {
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INVALID_COUPON_ISSUE_QUANTITY("쿠폰 발급 수량이 유효하지 않습니다."),
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INVALID_COUPON_ISSUE_DATE("쿠폰 발급 기간이 유효하지 않습니다."),
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COUPON_NOT_EXIST("존재하지 않는 쿠폰입니다."),
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DUPLICATED_COUPON_ISSUE("이미 발급한 쿠폰입니다.");
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public final String message;
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}

‎coupon-core/src/main/resources/application-core.yml‎

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properties:
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hibernate:
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format_sql: true
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data:
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redis:
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host: localhost
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port: 6380
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---
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spring:
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config:
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activate:
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on-profile: test
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datasource:
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url: jdbc:h2:mem:test;MODE=MySQL;DATABASE_TO_LOWER=TRUE;INIT=CREATE SCHEMA IF NOT EXISTS coupon;
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driverClassName: org.h2.Driver
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username: sa
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password:
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jpa:
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hibernate:
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ddl-auto: update
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show-sql: true
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properties:
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hibernate:
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format_sql: true
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data:
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redis:
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host: localhost

‎coupon-core/src/test/java/org/example/couponcore/TestConfig.java‎

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package org.example.couponcore;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.ActiveProfiles;
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import org.springframework.test.context.TestPropertySource;
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import org.springframework.transaction.annotation.Transactional;
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@Transactional
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@ActiveProfiles("test")
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@TestPropertySource(properties = "spring.config.name=application-core")
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@SpringBootTest(classes = CouponCoreConfiguration.class)
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public class TestConfig {
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}

‎coupon-core/src/test/java/org/example/couponcore/model/CouponTest.java‎

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package org.example.couponcore.model;
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import org.example.couponcore.exception.CouponIssueException;
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import org.example.couponcore.exception.ErrorCode;
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import org.junit.jupiter.api.Assertions;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import java.time.LocalDateTime;
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class CouponTest {
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@Test
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@DisplayName("발급 수량이 남아있다면 true를 반환")
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void availableIssueQuantity_1() {
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// Given
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Coupon coupon = Coupon.builder()
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.totalQuantity(100)
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.issuedQuantity(99)
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.build();
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// When
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boolean result = coupon.availableIssueQuantity();
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// Then
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Assertions.assertTrue(result);
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}
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@Test
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@DisplayName("발급 수량이 소진되었다면 false를 반환")
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void availableIssueQuantity_2() {
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// Given
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Coupon coupon = Coupon.builder()
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.totalQuantity(100)
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.issuedQuantity(100)
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.build();
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// When
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boolean result = coupon.availableIssueQuantity();
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// Then
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Assertions.assertFalse(result);
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}
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@Test
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@DisplayName("최대 발급 수량이 설정되지 않았다면 true를 반환")
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void availableIssueQuantity_3() {
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// Given
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Coupon coupon = Coupon.builder()
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.totalQuantity(null)
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.issuedQuantity(100)
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.build();
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// When
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boolean result = coupon.availableIssueQuantity();
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// Then
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Assertions.assertTrue(result);
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}
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@Test
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@DisplayName("발급 기간이 시작되었다면 true를 반환")
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void availableIssueDate_1() {
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// Given
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Coupon coupon = Coupon.builder()
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.dateIssueStart(LocalDateTime.now().minusDays(1))
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.dateIssueEnd(LocalDateTime.now().plusDays(1))
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.build();
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// When
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boolean result = coupon.availableIssueDate();
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// Then
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Assertions.assertTrue(result);
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}
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@Test
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@DisplayName("발급 기간이 시작되지 않았다면 false를 반환")
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void availableIssueDate_2() {
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// Given
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Coupon coupon = Coupon.builder()
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.dateIssueStart(LocalDateTime.now().plusDays(1))
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.dateIssueEnd(LocalDateTime.now().plusDays(2))
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.build();
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// When
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boolean result = coupon.availableIssueDate();
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// Then
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Assertions.assertFalse(result);
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}
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@Test
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@DisplayName("발급 기간이 종료되었다면 false를 반환")
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void availableIssueDate_3() {
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// Given
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Coupon coupon = Coupon.builder()
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.dateIssueStart(LocalDateTime.now().minusDays(1))
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.dateIssueEnd(LocalDateTime.now().minusDays(2))
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.build();
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// When
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boolean result = coupon.availableIssueDate();
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// Then
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Assertions.assertFalse(result);
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}
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@Test
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@DisplayName("발급 수량과 발급 기간이 유효하다면 발급에 성공")
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void issue_1() {
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// Given
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Coupon coupon = Coupon.builder()
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.totalQuantity(100)
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.issuedQuantity(99)
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.dateIssueStart(LocalDateTime.now().minusDays(1))
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.dateIssueEnd(LocalDateTime.now().plusDays(2))
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.build();
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// When
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coupon.issue();
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// Then
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Assertions.assertEquals(coupon.getIssuedQuantity(), 100);
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}
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@Test
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@DisplayName("발급 수량을 초과하면 예외반환")
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void issue_2() {
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// Given
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Coupon coupon = Coupon.builder()
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.totalQuantity(100)
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.issuedQuantity(100)
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.dateIssueStart(LocalDateTime.now().minusDays(1))
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.dateIssueEnd(LocalDateTime.now().plusDays(2))
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.build();
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// When & Then
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CouponIssueException exception = Assertions.assertThrows(CouponIssueException.class, coupon::issue);
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Assertions.assertEquals(exception.getErrorCode(), ErrorCode.INVALID_COUPON_ISSUE_QUANTITY);
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}
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@Test
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@DisplayName("발급 기간이 유효하지 않다면 예외 반환")
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void issue_3() {
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// Given
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Coupon coupon = Coupon.builder()
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.totalQuantity(100)
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.issuedQuantity(99)
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.dateIssueStart(LocalDateTime.now().plusDays(1))
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.dateIssueEnd(LocalDateTime.now().plusDays(2))
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.build();
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// When & Then
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CouponIssueException exception = Assertions.assertThrows(CouponIssueException.class, coupon::issue);
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Assertions.assertEquals(exception.getErrorCode(), ErrorCode.INVALID_COUPON_ISSUE_DATE);
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}
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}

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