/*
 * Copyright 2013 - 2014 Felix Müller
 *
 * This file is part of CodeQ Invest.
 *
 * CodeQ Invest is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * CodeQ Invest is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with CodeQ Invest.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.codeqinvest.quality.analysis;

import org.codeqinvest.codechanges.DefaultCodeChangeProbabilityCalculator;
import org.codeqinvest.codechanges.WeightedCodeChangeProbabilityCalculator;
import org.codeqinvest.quality.CodeChangeSettings;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import static org.fest.assertions.Assertions.assertThat;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:META-INF/spring/module-context.xml", "classpath:inmemory-db-context.xml"})
public class CodeChangeProbabilityCalculatorFactoryTest {

  @Autowired
  private CodeChangeProbabilityCalculatorFactory codeChangeProbabilityCalculatorFactory;

  @Test
  public void createCalculatorForDefaultSetting() {
    assertThat(codeChangeProbabilityCalculatorFactory.create(CodeChangeSettings.defaultSetting(0)))
        .isInstanceOf(DefaultCodeChangeProbabilityCalculator.class);
  }

  @Test
  public void createCalculatorWithCorrectNumberOfDaysForDefaultSetting() {
    assertThat(((DefaultCodeChangeProbabilityCalculator)
        codeChangeProbabilityCalculatorFactory.create(CodeChangeSettings.defaultSetting(30))).getDays())
        .isEqualTo(30);
  }

  @Test
  public void createCalculatorForWeightedSetting() {
    assertThat(codeChangeProbabilityCalculatorFactory.create(CodeChangeSettings.weightedSetting(0)))
        .isInstanceOf(WeightedCodeChangeProbabilityCalculator.class);
  }

  @Test
  public void createCalculatorWithCorrectNumberOfDaysForWeightedSetting() {
    assertThat(((WeightedCodeChangeProbabilityCalculator)
        codeChangeProbabilityCalculatorFactory.create(CodeChangeSettings.weightedSetting(30))).getDays())
        .isEqualTo(30);
  }
}