package com.trafficaudit.holiday.service;
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import com.trafficaudit.holiday.service.HolidayStatService.DailyMetrics;
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import org.junit.jupiter.api.Test;
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import java.lang.reflect.Method;
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import java.math.BigDecimal;
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import java.util.function.Function;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNull;
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import static org.junit.jupiter.api.Assertions.assertSame;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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class HolidayBulletinServiceTest {
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@Test
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void formatsTableRatiosAsSignedPercentages() throws Exception {
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HolidayBulletinService service = new HolidayBulletinService(null);
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assertEquals("-4.7%", ratio(service, "95.3", "100", 1));
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assertEquals("-4.4%", ratio(service, "95.551398", "100", 1));
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assertEquals("-4.5%", ratio(service, "95.551398", "100", 2));
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assertEquals("-0.1%", ratio(service, "99.955", "100", 2));
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assertEquals("0%", ratio(service, "99.955", "100", 1));
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assertEquals("6.7%", ratio(service, "106.649", "100", 2));
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assertEquals("6.6%", ratio(service, "106.649", "100", 1));
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assertEquals("1.0%", ratio(service, "101", "100", 1));
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assertEquals("0%", ratio(service, "100", "100", 1));
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assertEquals("0%", ratio(service, "10004", "10000", 1));
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assertEquals("—", ratio(service, "100", null, 1));
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assertEquals("—", ratio(service, "100", "0", 1));
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}
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@Test
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void comparesCivilAviationOnlyThroughCoveredDay() throws Exception {
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HolidayStatService stat = mock(HolidayStatService.class);
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HolidayBulletinService service = new HolidayBulletinService(stat);
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DailyMetrics current = new DailyMetrics();
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current.setYear(2026);
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current.setHolidayType("NATIONAL_DAY");
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current.setDayIndex(2);
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DailyMetrics coveredDay = new DailyMetrics();
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coveredDay.setCivilAviation(new BigDecimal("6.7482"));
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DailyMetrics missingDay = new DailyMetrics();
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when(stat.dailyMetrics(2026, "NATIONAL_DAY", 2)).thenReturn(missingDay);
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when(stat.dailyMetrics(2026, "NATIONAL_DAY", 1)).thenReturn(coveredDay);
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DailyMetrics previousYear = new DailyMetrics();
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previousYear.setYear(2025);
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DailyMetrics previousYearThroughDay1 = new DailyMetrics();
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previousYearThroughDay1.setCivilAviation(new BigDecimal("7.5003"));
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when(stat.cumulativeMetrics(2025, "NATIONAL_DAY", 1)).thenReturn(previousYearThroughDay1);
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Object result = comparableCumulative(service, current, previousYear, DailyMetrics::getCivilAviation);
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assertSame(previousYearThroughDay1, result);
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verify(stat).cumulativeMetrics(2025, "NATIONAL_DAY", 1);
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verify(stat, never()).cumulativeMetrics(2025, "NATIONAL_DAY", 2);
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}
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@Test
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void comparableCumulativeIsNullWhenCurrentYearHasNoMetricData() throws Exception {
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HolidayStatService stat = mock(HolidayStatService.class);
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HolidayBulletinService service = new HolidayBulletinService(stat);
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DailyMetrics current = new DailyMetrics();
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current.setYear(2026);
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current.setHolidayType("NATIONAL_DAY");
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current.setDayIndex(2);
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when(stat.dailyMetrics(2026, "NATIONAL_DAY", 2)).thenReturn(new DailyMetrics());
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when(stat.dailyMetrics(2026, "NATIONAL_DAY", 1)).thenReturn(new DailyMetrics());
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Object result = comparableCumulative(service, current, new DailyMetrics(), DailyMetrics::getCivilAviation);
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assertNull(result);
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verify(stat, never()).cumulativeMetrics(0, "NATIONAL_DAY", 1);
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}
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@Test
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void cumulativeParagraphUsesExcelDisplayThenBulletinRounding() throws Exception {
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HolidayBulletinService service = new HolidayBulletinService(null);
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DailyMetrics current = new DailyMetrics();
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current.setTotalPersonFlow(new BigDecimal("3088.62958"));
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DailyMetrics previousYear = new DailyMetrics();
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previousYear.setTotalPersonFlow(new BigDecimal("3232.42742"));
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DailyMetrics twoYearsAgo = new DailyMetrics();
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twoYearsAgo.setTotalPersonFlow(new BigDecimal("3137.80860"));
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Method method = HolidayBulletinService.class.getDeclaredMethod(
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"cumulativeParagraph", DailyMetrics.class, DailyMetrics.class, DailyMetrics.class);
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method.setAccessible(true);
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String text = (String) method.invoke(service, current, previousYear, twoYearsAgo);
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assertEquals(
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"假期以来，全省全社会跨区域人员流动量累计3088.63万人次，比2025年同期下降4.5%，比2024年同期下降1.6%。",
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text);
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}
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@Test
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void cumulativeAmountsUseExcelYiDisplayBeforeWanRounding() throws Exception {
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HolidayBulletinService service = new HolidayBulletinService(null);
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assertEquals("3961.77", cumulativeNumber(service, "3961.76472"));
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assertEquals("4189.32", cumulativeNumber(service, "4189.31472"));
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assertEquals("4486.63", cumulativeNumber(service, "4486.62652"));
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}
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private String cumulativeNumber(HolidayBulletinService service, String value) throws Exception {
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Method method = HolidayBulletinService.class.getDeclaredMethod("numberCumulative", BigDecimal.class);
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method.setAccessible(true);
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BigDecimal number = value == null ? null : new BigDecimal(value);
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return (String) method.invoke(service, number);
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}
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private Object comparableCumulative(HolidayBulletinService service, DailyMetrics current,
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DailyMetrics comparisonYear,
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Function<DailyMetrics, BigDecimal> selector) throws Exception {
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Method method = HolidayBulletinService.class.getDeclaredMethod(
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"comparableCumulative", DailyMetrics.class, DailyMetrics.class, Function.class);
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method.setAccessible(true);
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return method.invoke(service, current, comparisonYear, selector);
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}
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private String ratio(HolidayBulletinService service, String current, String base,
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int excelPercentScale) throws Exception {
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Method method = HolidayBulletinService.class.getDeclaredMethod(
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"ratio", BigDecimal.class, BigDecimal.class, int.class);
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method.setAccessible(true);
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BigDecimal currentValue = current == null ? null : new BigDecimal(current);
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BigDecimal baseValue = base == null ? null : new BigDecimal(base);
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return (String) method.invoke(service, currentValue, baseValue, excelPercentScale);
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}
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}
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