refactor: testEventListener 에서 truncate 쿼리를 실행하여 데이터 초기화하도록 수정

src/test/java/com/gugucon/shopping/integration/config/IntegrationTest.java

@@ -5,11 +5,8 @@
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.TestExecutionListeners;
-import org.springframework.test.context.jdbc.Sql;
-import org.springframework.test.context.jdbc.Sql.ExecutionPhase;
 
 @ActiveProfiles("test")
-@Sql(scripts = "classpath:clean.sql", executionPhase = ExecutionPhase.AFTER_TEST_METHOD)
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @Retention(RetentionPolicy.RUNTIME)
 @TestExecutionListeners(value = {IntegrationTestExecutionListener.class,}, mergeMode = TestExecutionListeners.MergeMode.MERGE_WITH_DEFAULTS)

src/test/java/com/gugucon/shopping/integration/config/IntegrationTestExecutionListener.java

@@ -1,6 +1,8 @@
 package com.gugucon.shopping.integration.config;
 
 import io.restassured.RestAssured;
+import java.util.List;
+import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.test.context.TestContext;
 import org.springframework.test.context.support.AbstractTestExecutionListener;
 
@@ -17,4 +19,31 @@ public void beforeTestMethod(final TestContext testContext) {
 
         RestAssured.port = serverPort;
     }
+
+    @Override
+    public void afterTestMethod(final TestContext testContext) {
+        final JdbcTemplate jdbcTemplate = getJdbcTemplate(testContext);
+        truncateTables(jdbcTemplate);
+    }
+
+    private JdbcTemplate getJdbcTemplate(final TestContext testContext) {
+        return testContext.getApplicationContext().getBean(JdbcTemplate.class);
+    }
+
+    private void truncateTables(final JdbcTemplate jdbcTemplate) {
+        execute(jdbcTemplate, "SET REFERENTIAL_INTEGRITY FALSE");
+        getTruncateQueries(jdbcTemplate).forEach(query -> execute(jdbcTemplate, query));
+        execute(jdbcTemplate, "SET REFERENTIAL_INTEGRITY TRUE");
+    }
+
+    private List<String> getTruncateQueries(final JdbcTemplate jdbcTemplate) {
+        String sql = "SELECT Concat('TRUNCATE TABLE ', TABLE_NAME, ';') "
+            + "FROM INFORMATION_SCHEMA.TABLES "
+            + "WHERE table_schema = 'PUBLIC'";
+        return jdbcTemplate.queryForList(sql, String.class);
+    }
+
+    private void execute(final JdbcTemplate jdbcTemplate, final String query) {
+        jdbcTemplate.execute(query);
+    }
 }