테스트 시 DB 격리 및 레포지토리 테스트를 위한 베이스 어노테이션 생성

backend/src/test/java/codezap/global/DatabaseCleaner.java

@@ -0,0 +1,32 @@
+package codezap.global;
+
+import java.util.List;
+
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.support.AbstractTestExecutionListener;
+
+public class DatabaseCleaner extends AbstractTestExecutionListener {
+
+    @Override
+    public void beforeTestMethod(TestContext testContext) {
+        JdbcTemplate jdbcTemplate = testContext.getApplicationContext().getBean(JdbcTemplate.class);
+        List<String> queries = getTruncateQueries(jdbcTemplate);
+        truncate(queries, jdbcTemplate);
+    }
+
+    private List<String> getTruncateQueries(final JdbcTemplate jdbcTemplate) {
+        return jdbcTemplate.queryForList(
+                "SELECT CONCAT('TRUNCATE TABLE ', TABLE_NAME, ';') " +
+                        "FROM INFORMATION_SCHEMA.TABLES " +
+                        "WHERE TABLE_SCHEMA = DATABASE();",
+                String.class
+        );
+    }
+
+    private void truncate(List<String> queries, JdbcTemplate jdbcTemplate) {
+        jdbcTemplate.execute("SET FOREIGN_KEY_CHECKS = 0;");
+        queries.forEach(jdbcTemplate::execute);
+        jdbcTemplate.execute("SET FOREIGN_KEY_CHECKS = 1;");
+    }
+}

backend/src/test/java/codezap/global/DatabaseIsolation.java

@@ -0,0 +1,11 @@
+package codezap.global;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+import org.springframework.test.context.TestExecutionListeners;
+
+@Retention(RetentionPolicy.RUNTIME)
+@TestExecutionListeners(value = DatabaseCleaner.class, mergeMode = TestExecutionListeners.MergeMode.MERGE_WITH_DEFAULTS)
+public @interface DatabaseIsolation {
+}

backend/src/test/java/codezap/global/repository/JpaRepositoryTest.java

@@ -0,0 +1,23 @@
+package codezap.global.repository;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.context.ActiveProfiles;
+
+import codezap.global.DatabaseIsolation;
+import codezap.global.auditing.JpaAuditingConfiguration;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@DataJpaTest
+@DatabaseIsolation
+@Import(JpaAuditingConfiguration.class)
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+public @interface JpaRepositoryTest {
+}