9일 신고가 매수 조건 오류

backend/src/test/java/com/goldenchart/service/PriceExtremeRuleTest.java

@@ -173,8 +173,56 @@ class PriceExtremeRuleTest {
         assertFalse(hits.isEmpty(), "하락 추세에서 9·20일 신저가 복합 매도 조건이 최소 1회 충족되어야 함");
     }
 
+    @Test
+    void nhPrior_crossUp_firesOnRealPriceBreakout_notConstantNine() throws Exception {
+        BarSeries series = buildFlatThenBreakoutSeries(97_000_000.0, 97_500_000.0, 15);
+        Rule buy = rule(series, """
+            { "type": "CONDITION", "condition": {
+              "indicatorType": "NEW_HIGH",
+              "conditionType": "CROSS_UP",
+              "leftField": "CLOSE_PRICE",
+              "rightField": "NH_PRIOR_9",
+              "period": 9
+            }}
+            """);
+
+        List<Integer> hits = satisfiedIndices(buy, series);
+        assertFalse(hits.isEmpty(),
+                "97M대 종가가 9일 신고가선 상향 돌파 시 CROSS_UP — NH_PRIOR_9를 상수 9로 해석하면 영원히 false");
+        assertTrue(hits.stream().anyMatch(i -> i >= 9),
+                "9봉 워밍업 이후 돌파 봉에서만 시그널");
+    }
+
     // ── helpers ─────────────────────────────────────────────────────────────
 
+    /** 횡보 후 한 봉에 종가 돌파 — NH_PRIOR CROSS_UP 검증용 */
+    private static BarSeries buildFlatThenBreakoutSeries(double flatPrice, double breakoutClose, int flatBars) {
+        Duration period = Duration.ofMinutes(3);
+        BarSeries series = new BaseBarSeriesBuilder()
+                .withName("flat-breakout")
+                .withNumFactory(DoubleNumFactory.getInstance())
+                .withBarBuilderFactory(new TimeBarBuilderFactory())
+                .build();
+        TimeBarBuilderFactory factory = new TimeBarBuilderFactory();
+        Instant base = Instant.parse("2024-01-01T00:00:00Z");
+        for (int i = 0; i < flatBars; i++) {
+            factory.createBarBuilder(series)
+                    .timePeriod(period)
+                    .endTime(base.plus(period.multipliedBy(i + 1L)))
+                    .openPrice(flatPrice).highPrice(flatPrice + 1000).lowPrice(flatPrice - 1000).closePrice(flatPrice)
+                    .volume(1000)
+                    .add();
+        }
+        int i = flatBars;
+        factory.createBarBuilder(series)
+                .timePeriod(period)
+                .endTime(base.plus(period.multipliedBy(i + 1L)))
+                .openPrice(flatPrice).highPrice(breakoutClose + 500).lowPrice(flatPrice - 500).closePrice(breakoutClose)
+                .volume(5000)
+                .add();
+        return series;
+    }
+
     private Rule rule(BarSeries series, String json) throws Exception {
         JsonNode node = MAPPER.readTree(json);
         return adapter.toRule(node, series, Map.of());