refactor: DatabaseCleanerExtension에서 region 테이블 생명주기 명시

src/test/kotlin/roomescape/util/TestDatabaseUtil.kt

@@ -2,6 +2,7 @@ package roomescape.util
 
 import io.kotest.core.listeners.AfterSpecListener
 import io.kotest.core.listeners.AfterTestListener
+import io.kotest.core.listeners.BeforeSpecListener
 import io.kotest.core.spec.Spec
 import io.kotest.core.test.TestCase
 import io.kotest.core.test.TestResult
@@ -11,7 +12,7 @@ import org.springframework.jdbc.core.JdbcTemplate
 import org.springframework.stereotype.Component
 
 @Component
-class DatabaseCleaner(
+class TestDatabaseUtil(
     val entityManager: EntityManager,
     val jdbcTemplate: JdbcTemplate,
 ) {
@@ -21,6 +22,12 @@ class DatabaseCleaner(
         }
     }
 
+    fun initializeRegion() {
+            this::class.java.getResource("/schema/region-data.sql")?.readText()?.let {
+                jdbcTemplate.execute(it)
+            }
+    }
+
     fun clear(mode: CleanerMode) {
         entityManager.clear()
 
@@ -40,7 +47,13 @@ enum class CleanerMode {
     ALL
 }
 
-class DatabaseCleanerExtension: AfterTestListener, AfterSpecListener {
+class DatabaseCleanerExtension: BeforeSpecListener, AfterTestListener, AfterSpecListener {
+
+    override suspend fun beforeSpec(spec: Spec) {
+        super.beforeSpec(spec)
+        getCleaner().initializeRegion()
+    }
+
     override suspend fun afterTest(testCase: TestCase, result: TestResult) {
         super.afterTest(testCase, result)
         getCleaner().clear(CleanerMode.EXCEPT_REGION)
@@ -51,9 +64,9 @@ class DatabaseCleanerExtension: AfterTestListener, AfterSpecListener {
         getCleaner().clear(CleanerMode.ALL)
     }
 
-    private suspend fun getCleaner(): DatabaseCleaner {
+    private suspend fun getCleaner(): TestDatabaseUtil {
         return testContextManager().testContext
             .applicationContext
-            .getBean(DatabaseCleaner::class.java)
+            .getBean(TestDatabaseUtil::class.java)
     }
 }