/**
* Copyright (C) 2015 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.strata.pricer.rate;
import static com.opengamma.strata.basics.currency.Currency.CHF;
import static com.opengamma.strata.basics.currency.Currency.GBP;
import static com.opengamma.strata.basics.currency.Currency.USD;
import static com.opengamma.strata.basics.index.PriceIndices.CH_CPI;
import static com.opengamma.strata.basics.index.PriceIndices.GB_HICP;
import static com.opengamma.strata.collect.TestHelper.assertSerialization;
import static com.opengamma.strata.collect.TestHelper.coverBeanEquals;
import static com.opengamma.strata.collect.TestHelper.coverImmutableBean;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertSame;
import java.time.YearMonth;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
import com.opengamma.strata.basics.currency.CurrencyPair;
import com.opengamma.strata.basics.currency.FxMatrix;
import com.opengamma.strata.basics.index.PriceIndexObservation;
import com.opengamma.strata.market.sensitivity.MutablePointSensitivities;
import com.opengamma.strata.market.sensitivity.PointSensitivities;
import com.opengamma.strata.market.sensitivity.PointSensitivityBuilder;
import com.opengamma.strata.pricer.ZeroRateSensitivity;
/**
* Test {@link InflationRateSensitivity}.
*/
@Test
public class InflationRateSensitivityTest {
private static final YearMonth REFERENCE_MONTH = YearMonth.of(2015, 6);
private static final PriceIndexObservation GB_HICP_OBS = PriceIndexObservation.of(GB_HICP, REFERENCE_MONTH);
private static final PriceIndexObservation CH_CPI_OBS = PriceIndexObservation.of(CH_CPI, REFERENCE_MONTH);
public void test_of_withoutCurrency() {
InflationRateSensitivity test = InflationRateSensitivity.of(GB_HICP_OBS, 1.0);
assertEquals(test.getIndex(), GB_HICP);
assertEquals(test.getCurrency(), GB_HICP.getCurrency());
assertEquals(test.getObservation(), GB_HICP_OBS);
assertEquals(test.getSensitivity(), 1.0);
}
public void test_of_withCurrency() {
InflationRateSensitivity test = InflationRateSensitivity.of(CH_CPI_OBS, GBP, 3.5);
assertEquals(test.getIndex(), CH_CPI);
assertEquals(test.getCurrency(), GBP);
assertEquals(test.getObservation(), CH_CPI_OBS);
assertEquals(test.getSensitivity(), 3.5);
}
//-------------------------------------------------------------------------
public void test_withCurrency() {
InflationRateSensitivity base = InflationRateSensitivity.of(CH_CPI_OBS, 3.5);
assertEquals(base.withCurrency(CHF), base);
InflationRateSensitivity expected = InflationRateSensitivity.of(CH_CPI_OBS, USD, 3.5);
InflationRateSensitivity test = base.withCurrency(USD);
assertEquals(test, expected);
}
//-------------------------------------------------------------------------
public void test_withSensitivity() {
InflationRateSensitivity base = InflationRateSensitivity.of(CH_CPI_OBS, 3.5);
InflationRateSensitivity expected = InflationRateSensitivity.of(CH_CPI_OBS, 23.4);
InflationRateSensitivity test = base.withSensitivity(23.4);
assertEquals(test, expected);
}
//-------------------------------------------------------------------------
public void test_compareKey() {
InflationRateSensitivity a1 = InflationRateSensitivity.of(GB_HICP_OBS, 32d);
InflationRateSensitivity a2 = InflationRateSensitivity.of(GB_HICP_OBS, 32d);
InflationRateSensitivity b = InflationRateSensitivity.of(CH_CPI_OBS, 32d);
InflationRateSensitivity c = InflationRateSensitivity.of(GB_HICP_OBS, USD, 32d);
InflationRateSensitivity d = InflationRateSensitivity.of(PriceIndexObservation.of(GB_HICP, YearMonth.of(2015, 10)), 32d);
ZeroRateSensitivity other = ZeroRateSensitivity.of(GBP, 2d, 32d);
assertEquals(a1.compareKey(a2), 0);
assertEquals(a1.compareKey(b) > 0, true);
assertEquals(b.compareKey(a1) < 0, true);
assertEquals(a1.compareKey(c) < 0, true);
assertEquals(c.compareKey(a1) > 0, true);
assertEquals(a1.compareKey(d) < 0, true);
assertEquals(d.compareKey(a1) > 0, true);
assertEquals(a1.compareKey(other) < 0, true);
assertEquals(other.compareKey(a1) > 0, true);
}
//-------------------------------------------------------------------------
public void test_convertedTo() {
double sensi = 32d;
InflationRateSensitivity base = InflationRateSensitivity.of(GB_HICP_OBS, sensi);
double rate = 1.5d;
FxMatrix matrix = FxMatrix.of(CurrencyPair.of(GBP, USD), rate);
InflationRateSensitivity test1 = (InflationRateSensitivity) base.convertedTo(USD, matrix);
InflationRateSensitivity expected = InflationRateSensitivity.of(GB_HICP_OBS, USD, sensi * rate);
assertEquals(test1, expected);
InflationRateSensitivity test2 = (InflationRateSensitivity) base.convertedTo(GBP, matrix);
assertEquals(test2, base);
}
//-------------------------------------------------------------------------
public void test_multipliedBy() {
InflationRateSensitivity base = InflationRateSensitivity.of(CH_CPI_OBS, 5.0);
InflationRateSensitivity expected = InflationRateSensitivity.of(CH_CPI_OBS, 2.6 * 5.0);
InflationRateSensitivity test = base.multipliedBy(2.6d);
assertEquals(test, expected);
}
//-------------------------------------------------------------------------
public void test_mapSensitivity() {
InflationRateSensitivity base = InflationRateSensitivity.of(CH_CPI_OBS, 5.0);
InflationRateSensitivity expected = InflationRateSensitivity.of(CH_CPI_OBS, 1.0 / 5.0);
InflationRateSensitivity test = base.mapSensitivity(s -> 1 / s);
assertEquals(test, expected);
}
//-------------------------------------------------------------------------
public void test_normalize() {
InflationRateSensitivity base = InflationRateSensitivity.of(GB_HICP_OBS, 3.5);
InflationRateSensitivity test = base.normalize();
assertSame(test, base);
}
//-------------------------------------------------------------------------
public void test_combinedWith() {
InflationRateSensitivity base1 = InflationRateSensitivity.of(CH_CPI_OBS, 5.0);
InflationRateSensitivity base2 = InflationRateSensitivity.of(CH_CPI_OBS, 7.0);
MutablePointSensitivities expected = new MutablePointSensitivities();
expected.add(base1).add(base2);
PointSensitivityBuilder test = base1.combinedWith(base2);
assertEquals(test, expected);
}
public void test_combinedWith_mutable() {
InflationRateSensitivity base = InflationRateSensitivity.of(CH_CPI_OBS, 5.0);
MutablePointSensitivities expected = new MutablePointSensitivities();
expected.add(base);
PointSensitivityBuilder test = base.combinedWith(new MutablePointSensitivities());
assertEquals(test, expected);
}
//-------------------------------------------------------------------------
public void test_buildInto() {
InflationRateSensitivity base = InflationRateSensitivity.of(GB_HICP_OBS, 3.5);
MutablePointSensitivities combo = new MutablePointSensitivities();
MutablePointSensitivities test = base.buildInto(combo);
assertEquals(test, combo);
assertEquals(test.getSensitivities(), ImmutableList.of(base));
}
//-------------------------------------------------------------------------
public void test_build() {
InflationRateSensitivity base = InflationRateSensitivity.of(GB_HICP_OBS, 3.5);
PointSensitivities test = base.build();
assertEquals(test.getSensitivities(), ImmutableList.of(base));
}
//-------------------------------------------------------------------------
public void test_cloned() {
InflationRateSensitivity base = InflationRateSensitivity.of(GB_HICP_OBS, 3.5);
InflationRateSensitivity test = base.cloned();
assertSame(test, base);
}
//-------------------------------------------------------------------------
public void coverage() {
InflationRateSensitivity test1 = InflationRateSensitivity.of(GB_HICP_OBS, 1.0);
coverImmutableBean(test1);
InflationRateSensitivity test2 = InflationRateSensitivity.of(GB_HICP_OBS, GBP, 22.0);
coverBeanEquals(test1, test2);
}
public void test_serialization() {
InflationRateSensitivity test = InflationRateSensitivity.of(GB_HICP_OBS, 1.0);
assertSerialization(test);
}
}