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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2018 SonarSource SA
   4  * mailto:info AT sonarsource DOT com
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 package org.sonar.server.computation.task.projectanalysis.qualitymodel;
  21
  22 import org.junit.Before;
  23 import org.junit.Rule;
  24 import org.junit.Test;
  25 import org.junit.rules.ExpectedException;
  26
  27 import static org.assertj.core.api.Assertions.assertThat;
  28
  29 import static org.sonar.server.computation.task.projectanalysis.qualitymodel.Rating.A;
  30 import static org.sonar.server.computation.task.projectanalysis.qualitymodel.Rating.B;
  31 import static org.sonar.server.computation.task.projectanalysis.qualitymodel.Rating.C;
  32 import static org.sonar.server.computation.task.projectanalysis.qualitymodel.Rating.D;
  33 import static org.sonar.server.computation.task.projectanalysis.qualitymodel.Rating.E;
  34
  35 public class DebtRatingGridTest {
  36
  37   private DebtRatingGrid ratingGrid;
  38
  39   @Rule
  40   public ExpectedException throwable = ExpectedException.none();
  41
  42   @Before
  43   public void setUp() {
  44     double[] gridValues = new double[] {0.1, 0.2, 0.5, 1};
  45     ratingGrid = new DebtRatingGrid(gridValues);
  46   }
  47
  48   @Test
  49   public void return_rating_matching_density() {
  50     assertThat(ratingGrid.getRatingForDensity(0)).isEqualTo(A);
  51     assertThat(ratingGrid.getRatingForDensity(0.05)).isEqualTo(A);
  52     assertThat(ratingGrid.getRatingForDensity(0.09999999)).isEqualTo(A);
  53     assertThat(ratingGrid.getRatingForDensity(0.1)).isEqualTo(B);
  54     assertThat(ratingGrid.getRatingForDensity(0.15)).isEqualTo(B);
  55     assertThat(ratingGrid.getRatingForDensity(0.2)).isEqualTo(C);
  56     assertThat(ratingGrid.getRatingForDensity(0.25)).isEqualTo(C);
  57     assertThat(ratingGrid.getRatingForDensity(0.5)).isEqualTo(D);
  58     assertThat(ratingGrid.getRatingForDensity(0.65)).isEqualTo(D);
  59     assertThat(ratingGrid.getRatingForDensity(1)).isEqualTo(E);
  60     assertThat(ratingGrid.getRatingForDensity(1.01)).isEqualTo(E);
  61   }
  62
  63   @Test
  64   public void fail_on_invalid_density() {
  65     throwable.expect(RuntimeException.class);
  66
  67     ratingGrid.getRatingForDensity(-1);
  68   }
  69
  70   @Test
  71   public void convert_int_to_rating() throws Exception {
  72     assertThat(Rating.valueOf(1)).isEqualTo(A);
  73     assertThat(Rating.valueOf(2)).isEqualTo(B);
  74     assertThat(Rating.valueOf(3)).isEqualTo(C);
  75     assertThat(Rating.valueOf(4)).isEqualTo(D);
  76     assertThat(Rating.valueOf(5)).isEqualTo(E);
  77   }
  78
  79   @Test
  80   public void fail_to_concert_invalid_value() throws Exception {
  81     throwable.expect(IllegalArgumentException.class);
  82     Rating.valueOf(10);
  83   }
  84 }