/**
 * Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.analytics.financial.instrument.index;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertFalse;

import org.testng.annotations.Test;
import org.threeten.bp.Period;
import org.threeten.bp.ZonedDateTime;

import com.opengamma.analytics.financial.instrument.cash.CashDefinition;
import com.opengamma.analytics.financial.schedule.ScheduleCalculator;
import com.opengamma.financial.convention.calendar.Calendar;
import com.opengamma.financial.convention.calendar.MondayToFridayCalendar;
import com.opengamma.financial.convention.daycount.DayCount;
import com.opengamma.financial.convention.daycount.DayCounts;
import com.opengamma.util.money.Currency;
import com.opengamma.util.test.TestGroup;
import com.opengamma.util.time.DateUtils;

/**
 * Tests the constructor and method of GeneratorDepositON.
 */
@Test(groups = TestGroup.UNIT)
public class GeneratorDepositONTest {
  // USD deposits
  private static final String NAME = "USD Deposit ON";
  private static final Calendar CALENDAR = new MondayToFridayCalendar("A");
  private static final DayCount DAY_COUNT = DayCounts.ACT_360;
  private static final Currency CUR = Currency.USD;
  private static final GeneratorDepositON GENERATOR_DEPOSIT_ON_USD = new GeneratorDepositON(NAME, CUR, CALENDAR, DAY_COUNT);

  @Test(expectedExceptions = IllegalArgumentException.class)
  public void nullCurrency() {
    new GeneratorDepositON(NAME, null, CALENDAR, DAY_COUNT);
  }

  @Test(expectedExceptions = IllegalArgumentException.class)
  public void nullCalendar() {
    new GeneratorDepositON(NAME, CUR, null, DAY_COUNT);
  }

  @Test(expectedExceptions = IllegalArgumentException.class)
  public void nullDayCount() {
    new GeneratorDepositON(NAME, CUR, CALENDAR, null);
  }

  @Test
  public void getter() {
    assertEquals("Generator Deposit: getter", NAME, GENERATOR_DEPOSIT_ON_USD.getName());
    assertEquals("Generator Deposit: getter", CUR, GENERATOR_DEPOSIT_ON_USD.getCurrency());
    assertEquals("Generator Deposit: getter", CALENDAR, GENERATOR_DEPOSIT_ON_USD.getCalendar());
    assertEquals("Generator Deposit: getter", DAY_COUNT, GENERATOR_DEPOSIT_ON_USD.getDayCount());
  }

  @Test
  public void equalHash() {
    assertEquals(GENERATOR_DEPOSIT_ON_USD, GENERATOR_DEPOSIT_ON_USD);
    final GeneratorDepositON duplicate = new GeneratorDepositON(NAME, CUR, CALENDAR, DAY_COUNT);
    assertEquals("Generator Deposit: equal-hash", GENERATOR_DEPOSIT_ON_USD, duplicate);
    assertEquals("Generator Deposit: equal-hash", GENERATOR_DEPOSIT_ON_USD.hashCode(), duplicate.hashCode());
    GeneratorDepositON other;
    other = new GeneratorDepositON(NAME, Currency.EUR, CALENDAR, DAY_COUNT);
    assertFalse("Generator Deposit: equal-hash", GENERATOR_DEPOSIT_ON_USD.equals(other));
    other = new GeneratorDepositON(NAME, CUR, new MondayToFridayCalendar("B"), DAY_COUNT);
    assertFalse("Generator Deposit: equal-hash", GENERATOR_DEPOSIT_ON_USD.equals(other));
    other = new GeneratorDepositON(NAME, CUR, CALENDAR, DayCounts.ACT_365);
    assertFalse("Generator Deposit: equal-hash", GENERATOR_DEPOSIT_ON_USD.equals(other));
  }

  @Test
  public void generateInstrument() {
    final ZonedDateTime referenceDate = DateUtils.getUTCDate(2012, 7, 17);
    final Period tenor = Period.ofDays(2);
    final double rate = 0.01;
    final double notional = 12345;
    final GeneratorAttributeIR attribute = new GeneratorAttributeIR(tenor, tenor);
    final CashDefinition insGenerated = GENERATOR_DEPOSIT_ON_USD.generateInstrument(referenceDate, rate, notional, attribute);
    final ZonedDateTime startDate = ScheduleCalculator.getAdjustedDate(referenceDate, tenor, CALENDAR);
    final ZonedDateTime endDate = ScheduleCalculator.getAdjustedDate(startDate, 1, CALENDAR);
    final double accrualFactor = DAY_COUNT.getDayCountFraction(startDate, endDate);
    final CashDefinition insExpected = new CashDefinition(CUR, startDate, endDate, notional, rate, accrualFactor);
    assertEquals("Generator Deposit Counterpart: generate instrument", insExpected, insGenerated);
  }

}