fix: AbstractInflowControlManager Bandwidth.simple → classic+intervally 버킷 생성 버그 수정 및 테스트 추가

- makeBucketUsingInflowVO: 어댑터/인터페이스 단일 버킷 threshold 리필을 greedy → intervally 변경
- makeGroupBucket: 그룹 threshold 버킷 동일하게 수정
- DualInflowControlManagerMakeBucketTest: 버킷 생성 로직 직접 검증 테스트 추가
- InflowControlManagerTest: @BeforeEach reload + spike/burst 경계 케이스 테스트 추가
- SQL 픽스처: MIN 단위 TEST_ADAPTER/TEST_INTERFACE/test-group-quota 항목 추가

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/test/java/com/eactive/eai/common/inflow/InflowControlManagerTest.java

@@ -1,5 +1,7 @@
 package com.eactive.eai.common.inflow;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -36,9 +38,13 @@ class InflowControlManagerTest {
 	InflowControlManager inflowControlManager;
 
 	@BeforeEach
-	void setUp() throws LifecycleException {
+	void setUp() throws Exception {
 		if (!inflowControlManager.isStarted()) {
 			inflowControlManager.start();
+		} else {
+			inflowControlManager.reloadAdapter();
+			inflowControlManager.reloadInterface();
+			inflowControlManager.reloadGroup();
 		}
 	}
 
@@ -57,4 +63,22 @@ class InflowControlManagerTest {
 		assertNull(inflowControlManager.getGroupBucket("non-existent-group"));
 	}
 
+	@Test
+	void adapter_spikePasses_thenBurstBlocked() {
+		for (int i = 0; i < 5; i++) assertTrue(inflowControlManager.isAdapterPass("TEST_ADAPTER"));
+		assertFalse(inflowControlManager.isAdapterPass("TEST_ADAPTER"));
+	}
+
+	@Test
+	void interface_spikePasses_thenBurstBlocked() {
+		for (int i = 0; i < 5; i++) assertTrue(inflowControlManager.isInterfacePass("TEST_INTERFACE"));
+		assertFalse(inflowControlManager.isInterfacePass("TEST_INTERFACE"));
+	}
+
+	@Test
+	void group_spikePasses_thenBurstBlocked() {
+		for (int i = 0; i < 5; i++) assertNull(inflowControlManager.isGroupPass("test-group-quota"));
+		assertEquals(CustomGroupBucket.RESULT_BLOCKED_THRESHOLD, inflowControlManager.isGroupPass("test-group-quota"));
+	}
+
 }

src/test/java/com/eactive/eai/common/inflow/dual/DualInflowControlManagerMakeBucketTest.java

@@ -0,0 +1,92 @@
+package com.eactive.eai.common.inflow.dual;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+import com.eactive.eai.common.inflow.InflowTargetVO;
+
+/**
+ * DualInflowControlManager.makeBucket() 버킷 생성 동작 검증.
+ *
+ * <p>검증 포인트:
+ * - threshold/perSecond 버킷이 실제로 생성되는지
+ * - 할당량 이내 spike는 통과하고 초과 burst는 차단되는지
+ * - perSecond/threshold 중 어느 쪽이 binding 제약인지 구분되는지
+ */
+class DualInflowControlManagerMakeBucketTest {
+
+    private final DualInflowControlManager manager = new DualInflowControlManager();
+
+    private InflowTargetVO vo(long perSecond, long threshold, String timeUnit) {
+        InflowTargetVO vo = new InflowTargetVO();
+        vo.setName("TEST");
+        vo.setThresholdPerSecond(perSecond);
+        vo.setThreshold(threshold);
+        vo.setThresholdTimeUnit(timeUnit);
+        vo.setActivate(true);
+        return vo;
+    }
+
+    // =========================================================================
+    // threshold 단독 (5건/분)
+    // =========================================================================
+
+    @Test
+    void thresholdOnly_spikePasses_thenBurstBlocked() {
+        DualCustomBucket bucket = manager.makeBucket(vo(0, 5, "MIN"));
+
+        for (int i = 0; i < 5; i++) assertNull(bucket.tryConsume());
+        assertEquals(DualCustomBucket.RESULT_BLOCKED_THRESHOLD, bucket.tryConsume());
+    }
+
+    // =========================================================================
+    // perSecond 단독
+    // =========================================================================
+
+    @Test
+    void perSecondOnly_spikePasses_thenBurstBlocked() {
+        DualCustomBucket bucket = manager.makeBucket(vo(5, 0, null));
+
+        for (int i = 0; i < 5; i++) assertNull(bucket.tryConsume());
+        assertEquals(DualCustomBucket.RESULT_BLOCKED_PER_SECOND, bucket.tryConsume());
+    }
+
+    // =========================================================================
+    // perSecond + threshold 동시 설정 — binding 제약 구분
+    // =========================================================================
+
+    @Test
+    void both_perSecondIsBinding_blockedByPerSecond() {
+        // perSecond=3 이 binding: threshold=100/MIN은 여유 있음
+        DualCustomBucket bucket = manager.makeBucket(vo(3, 100, "MIN"));
+
+        for (int i = 0; i < 3; i++) assertNull(bucket.tryConsume());
+        assertEquals(DualCustomBucket.RESULT_BLOCKED_PER_SECOND, bucket.tryConsume());
+    }
+
+    @Test
+    void both_thresholdIsBinding_blockedByThreshold() {
+        // threshold=3/MIN 이 binding: perSecond=100은 여유 있음
+        DualCustomBucket bucket = manager.makeBucket(vo(100, 3, "MIN"));
+
+        for (int i = 0; i < 3; i++) assertNull(bucket.tryConsume());
+        assertEquals(DualCustomBucket.RESULT_BLOCKED_THRESHOLD, bucket.tryConsume());
+    }
+
+    // =========================================================================
+    // 비활성 / 조건 미충족 → null 반환
+    // =========================================================================
+
+    @Test
+    void inactiveVO_returnsNull() {
+        InflowTargetVO vo = vo(5, 0, null);
+        vo.setActivate(false);
+        assertNull(manager.makeBucket(vo));
+    }
+
+    @Test
+    void noLimitsSet_returnsNull() {
+        assertNull(manager.makeBucket(vo(0, 0, null)));
+    }
+}