fix(can): 회원 2의 강제 통화 예외를 제거한다

src/main/kotlin/kr/co/vividnext/sodalive/can/CanController.kt

@@ -17,7 +17,7 @@ class CanController(private val service: CanService) {
     fun getCans(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ): ApiResponse<List<CanResponse>> {
-        val forcedCurrency = if (member != null && (member.id == 2L || member.id == 4L || member.id == 44144L)) {
+        val forcedCurrency = if (member != null && (member.id == 4L || member.id == 44144L)) {
             "JPY"
         } else {
             null

src/test/kotlin/kr/co/vividnext/sodalive/can/CanControllerIntegrationTest.kt

@@ -0,0 +1,78 @@
+package kr.co.vividnext.sodalive.can
+
+import kr.co.vividnext.sodalive.common.CountryContext
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.CsvSource
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.annotation.DirtiesContext
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.transaction.annotation.Transactional
+import java.math.BigDecimal
+import javax.persistence.EntityManager
+
+@SpringBootTest(properties = ["spring.cache.type=none"])
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
+@Transactional
+class CanControllerIntegrationTest @Autowired constructor(
+    private val controller: CanController,
+    private val countryContext: CountryContext,
+    private val entityManager: EntityManager
+) {
+    @BeforeEach
+    fun setUp() {
+        listOf("KRW", "USD", "JPY").forEach { currency ->
+            entityManager.persist(
+                Can(
+                    title = "test-$currency",
+                    can = 100,
+                    rewardCan = 0,
+                    price = BigDecimal("100"),
+                    currency = currency,
+                    status = CanStatus.SALE
+                )
+            )
+        }
+        entityManager.flush()
+        entityManager.clear()
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "2, KR, KRW",
+        "2, US, USD",
+        "2, JP, USD",
+        "2, , USD",
+        "4, KR, JPY",
+        "4, US, JPY",
+        "44144, KR, JPY",
+        "44144, US, JPY",
+        "3, KR, KRW",
+        "3, US, USD",
+        ", KR, KRW",
+        ", US, USD",
+        ", , USD"
+    )
+    @DisplayName("회원 2는 국가별 통화를 사용하고 기존 JPY 예외와 일반·비로그인 조회는 유지한다")
+    fun shouldSelectCurrencyByCountryExceptRemainingForcedMembers(
+        memberId: Long?,
+        countryCode: String?,
+        expectedCurrency: String
+    ) {
+        val member = memberId?.let { id ->
+            Member(nickname = "test-$id", password = "").apply { this.id = id }
+        }
+        countryContext.setCountryCode(countryCode)
+
+        val response = controller.getCans(member)
+
+        assertEquals(true, response.success)
+        assertEquals(listOf(expectedCurrency), response.data?.map { it.currency })
+    }
+}