docs(交接): 补充 10-07 上午国省道调整更正与新会话接手说明

xyc

17 小时以前 23fab39fddc350b82231c5eb27298a719aef72b5

 traffic-audit-server/src/test/java/com/trafficaudit/holiday/service/HolidayTrendChartServiceTest.java

@@ -5,7 +5,11 @@
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.math.BigDecimal;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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.assertTrue;

@@ -40,6 +44,76 @@
        assertNoLargeLightGrayBackground(stacked);
    }

    @Test
    void roundsLineDataToTheSamePrecisionAsLabels() {
        assertEquals(new BigDecimal("0.49"),
                HolidayTrendChartService.displayValue(new BigDecimal("0.4904"), false, 2));
        assertEquals(new BigDecimal("0.49"),
                HolidayTrendChartService.displayValue(new BigDecimal("0.4911"), false, 2));
        assertEquals(new BigDecimal("0.491"),
                HolidayTrendChartService.displayValue(new BigDecimal("0.4911"), false, 3));
        assertEquals(new BigDecimal("0.123"),
                HolidayTrendChartService.displayValue(new BigDecimal("0.1234"), true, 2));
    }

    @Test
    void rendersSameGeometryWhenValuesRoundToSameLabel() {
        HolidayTrendChartService service = new HolidayTrendChartService();
        HolidayTrendChartService.ChartSeries first = new HolidayTrendChartService.ChartSeries();
        first.setName("平均拥挤度");
        first.setValues(java.util.Arrays.asList(
                new BigDecimal("0.4904"), new BigDecimal("0.4923"), new BigDecimal("0.5100")));
        HolidayTrendChartService.ChartSeries second = new HolidayTrendChartService.ChartSeries();
        second.setName("平均拥挤度");
        second.setValues(java.util.Arrays.asList(
                new BigDecimal("0.4911"), new BigDecimal("0.4934"), new BigDecimal("0.5100")));

        byte[] firstChart = service.lineChart("拥挤度",
                java.util.Collections.singletonList(first), false, 2, 1100, 590);
        byte[] secondChart = service.lineChart("拥挤度",
                java.util.Collections.singletonList(second), false, 2, 1100, 590);

        assertPng(firstChart);
        assertPng(secondChart);
        assertArrayEquals(firstChart, secondChart);
    }

    @Test
    void scalesLineChartHeightForBetterVerticalSeparation() throws Exception {
        HolidayTrendChartService service = new HolidayTrendChartService();
        HolidayTrendChartService.ChartSeries series = new HolidayTrendChartService.ChartSeries();
        series.setName("测试");
        series.setValues(java.util.Arrays.asList(
                new BigDecimal("1.00"), new BigDecimal("2.00"), new BigDecimal("3.00")));

        byte[] png = service.lineChart("万人次",
                java.util.Collections.singletonList(series), false, 1100, 590);
        BufferedImage image = ImageIO.read(new ByteArrayInputStream(png));

        assertNotNull(image);
        assertEquals(HolidayTrendChartService.scaleLineChartHeight(590), image.getHeight());
    }

    @Test
    void rendersHigherPrecisionLineLabelsWhenRequested() {
        HolidayTrendChartService service = new HolidayTrendChartService();
        HolidayTrendChartService.ChartSeries congestion = new HolidayTrendChartService.ChartSeries();
        congestion.setName("平均拥挤度");
        congestion.setValues(java.util.Arrays.asList(
                new java.math.BigDecimal("0.467029"),
                new java.math.BigDecimal("0.490890"),
                new java.math.BigDecimal("0.492414")));

        byte[] twoDecimals = service.lineChart("拥挤度",
                java.util.Collections.singletonList(congestion), false, 2, 1100, 590);
        byte[] threeDecimals = service.lineChart("拥挤度",
                java.util.Collections.singletonList(congestion), false, 3, 1100, 590);

        assertPng(twoDecimals);
        assertPng(threeDecimals);
        assertFalse(java.util.Arrays.equals(twoDecimals, threeDecimals));
    }

    private void assertNoLargeLightGrayBackground(byte[] data) throws Exception {
        BufferedImage image = ImageIO.read(new ByteArrayInputStream(data));
        int matches = 0;