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CE-881 - Update aggregates to include dates, plus product, variance, and standard deviation

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This commit is contained in:
darin.kelkhoff
2024-04-01 08:54:32 -05:00
parent 5384eb9927
commit 782a07b176
9 changed files with 828 additions and 35 deletions
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118
qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/aggregates/AggregatesTest.java
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@ -23,6 +23,9 @@ package com.kingsrook.qqq.backend.core.utils.aggregates;
import java.math.BigDecimal;
import java.time.Instant;
import java.time.LocalDate;
import java.time.Month;
import com.kingsrook.qqq.backend.core.BaseTest;
import org.assertj.core.data.Offset;
import org.junit.jupiter.api.Test;
@ -78,6 +81,12 @@ class AggregatesTest extends BaseTest
assertEquals(15, aggregates.getMax());
assertEquals(30, aggregates.getSum());
assertThat(aggregates.getAverage()).isCloseTo(new BigDecimal("10"), Offset.offset(BigDecimal.ZERO));
assertEquals(new BigDecimal("750"), aggregates.getProduct());
assertEquals(new BigDecimal("25.0000"), aggregates.getVariance());
assertEquals(new BigDecimal("5.0000"), aggregates.getStandardDeviation());
assertThat(aggregates.getVarP()).isCloseTo(new BigDecimal("16.6667"), Offset.offset(new BigDecimal(".0001")));
assertThat(aggregates.getStdDevP()).isCloseTo(new BigDecimal("4.0824"), Offset.offset(new BigDecimal(".0001")));
}
@ -89,6 +98,7 @@ class AggregatesTest extends BaseTest
void testBigDecimal()
{
BigDecimalAggregates aggregates = new BigDecimalAggregates();
aggregates.add(null);
assertEquals(0, aggregates.getCount());
assertNull(aggregates.getMin());
@ -114,13 +124,117 @@ class AggregatesTest extends BaseTest
BigDecimal bd148 = new BigDecimal("14.8");
aggregates.add(bd148);
aggregates.add(null);
assertEquals(3, aggregates.getCount());
assertEquals(bd51, aggregates.getMin());
assertEquals(bd148, aggregates.getMax());
assertEquals(new BigDecimal("30.0"), aggregates.getSum());
assertThat(aggregates.getAverage()).isCloseTo(new BigDecimal("10.0"), Offset.offset(BigDecimal.ZERO));
assertEquals(new BigDecimal("762.348"), aggregates.getProduct());
assertEquals(new BigDecimal("23.5300"), aggregates.getVariance());
assertEquals(new BigDecimal("4.8508"), aggregates.getStandardDeviation());
assertThat(aggregates.getVarP()).isCloseTo(new BigDecimal("15.6867"), Offset.offset(new BigDecimal(".0001")));
assertThat(aggregates.getStdDevP()).isCloseTo(new BigDecimal("3.9606"), Offset.offset(new BigDecimal(".0001")));
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testInstant()
{
InstantAggregates aggregates = new InstantAggregates();
assertEquals(0, aggregates.getCount());
assertNull(aggregates.getMin());
assertNull(aggregates.getMax());
assertNull(aggregates.getSum());
assertNull(aggregates.getAverage());
Instant i1970 = Instant.parse("1970-01-01T00:00:00Z");
aggregates.add(i1970);
assertEquals(1, aggregates.getCount());
assertEquals(i1970, aggregates.getMin());
assertEquals(i1970, aggregates.getMax());
assertNull(aggregates.getSum());
assertEquals(i1970, aggregates.getAverage());
Instant i1980 = Instant.parse("1980-01-01T00:00:00Z");
aggregates.add(i1980);
assertEquals(2, aggregates.getCount());
assertEquals(i1970, aggregates.getMin());
assertEquals(i1980, aggregates.getMax());
assertNull(aggregates.getSum());
assertEquals(Instant.parse("1975-01-01T00:00:00Z"), aggregates.getAverage());
Instant i1990 = Instant.parse("1990-01-01T00:00:00Z");
aggregates.add(i1990);
assertEquals(3, aggregates.getCount());
assertEquals(i1970, aggregates.getMin());
assertEquals(i1990, aggregates.getMax());
assertNull(aggregates.getSum());
assertEquals(Instant.parse("1980-01-01T08:00:00Z"), aggregates.getAverage()); // a leap day throws this off by 8 hours :)
/////////////////////////////////////////////////////////////////////
// assert we gracefully return null for these ops we don't support //
/////////////////////////////////////////////////////////////////////
assertNull(aggregates.getProduct());
assertNull(aggregates.getVariance());
assertNull(aggregates.getStandardDeviation());
assertNull(aggregates.getVarP());
assertNull(aggregates.getStdDevP());
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testLocalDate()
{
LocalDateAggregates aggregates = new LocalDateAggregates();
assertEquals(0, aggregates.getCount());
assertNull(aggregates.getMin());
assertNull(aggregates.getMax());
assertNull(aggregates.getSum());
assertNull(aggregates.getAverage());
LocalDate ld1970 = LocalDate.of(1970, Month.JANUARY, 1);
aggregates.add(ld1970);
assertEquals(1, aggregates.getCount());
assertEquals(ld1970, aggregates.getMin());
assertEquals(ld1970, aggregates.getMax());
assertNull(aggregates.getSum());
assertEquals(ld1970, aggregates.getAverage());
LocalDate ld1980 = LocalDate.of(1980, Month.JANUARY, 1);
aggregates.add(ld1980);
assertEquals(2, aggregates.getCount());
assertEquals(ld1970, aggregates.getMin());
assertEquals(ld1980, aggregates.getMax());
assertNull(aggregates.getSum());
assertEquals(LocalDate.of(1975, Month.JANUARY, 1), aggregates.getAverage());
LocalDate ld1990 = LocalDate.of(1990, Month.JANUARY, 1);
aggregates.add(ld1990);
assertEquals(3, aggregates.getCount());
assertEquals(ld1970, aggregates.getMin());
assertEquals(ld1990, aggregates.getMax());
assertNull(aggregates.getSum());
assertEquals(ld1980, aggregates.getAverage());
/////////////////////////////////////////////////////////////////////
// assert we gracefully return null for these ops we don't support //
/////////////////////////////////////////////////////////////////////
assertNull(aggregates.getProduct());
assertNull(aggregates.getVariance());
assertNull(aggregates.getStandardDeviation());
assertNull(aggregates.getVarP());
assertNull(aggregates.getStdDevP());
}
}