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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2016 SonarSource SA
   4  * mailto:contact 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.formula;
  21
  22 import com.google.common.base.Optional;
  23 import org.assertj.guava.api.Assertions;
  24 import org.junit.Rule;
  25 import org.junit.Test;
  26 import org.junit.rules.ExpectedException;
  27 import org.sonar.server.computation.task.projectanalysis.component.Component;
  28 import org.sonar.server.computation.task.projectanalysis.component.ReportComponent;
  29 import org.sonar.server.computation.task.projectanalysis.measure.Measure;
  30 import org.sonar.server.computation.task.projectanalysis.metric.Metric;
  31 import org.sonar.server.computation.task.projectanalysis.period.PeriodsHolder;
  32
  33 import static org.assertj.core.api.Assertions.assertThat;
  34 import static org.mockito.Mockito.mock;
  35 import static org.mockito.Mockito.when;
  36 import static org.sonar.api.measures.CoreMetrics.FUNCTION_COMPLEXITY_DISTRIBUTION_KEY;
  37
  38 public class DistributionFormulaTest {
  39
  40   private static final DistributionFormula BASIC_DISTRIBUTION_FORMULA = new DistributionFormula(FUNCTION_COMPLEXITY_DISTRIBUTION_KEY);
  41
  42   @Rule
  43   public ExpectedException thrown = ExpectedException.none();
  44
  45   CounterInitializationContext counterInitializationContext = mock(CounterInitializationContext.class);
  46   CreateMeasureContext projectCreateMeasureContext = new DumbCreateMeasureContext(
  47       ReportComponent.builder(Component.Type.PROJECT, 1).build(), mock(Metric.class), mock(PeriodsHolder.class));
  48   CreateMeasureContext fileCreateMeasureContext = new DumbCreateMeasureContext(
  49       ReportComponent.builder(Component.Type.FILE, 1).build(), mock(Metric.class), mock(PeriodsHolder.class));
  50
  51   @Test
  52   public void check_new_counter_class() {
  53     assertThat(BASIC_DISTRIBUTION_FORMULA.createNewCounter().getClass()).isEqualTo(DistributionFormula.DistributionCounter.class);
  54   }
  55
  56   @Test
  57   public void fail_with_NPE_when_creating_counter_with_null_metric() {
  58     thrown.expect(NullPointerException.class);
  59     thrown.expectMessage("Metric key cannot be null");
  60
  61     new DistributionFormula(null);
  62   }
  63
  64   @Test
  65   public void check_output_metric_key_is_function_complexity_distribution() {
  66     assertThat(BASIC_DISTRIBUTION_FORMULA.getOutputMetricKeys()).containsOnly(FUNCTION_COMPLEXITY_DISTRIBUTION_KEY);
  67   }
  68
  69   @Test
  70   public void create_measure() {
  71     DistributionFormula.DistributionCounter counter = BASIC_DISTRIBUTION_FORMULA.createNewCounter();
  72     addMeasure(FUNCTION_COMPLEXITY_DISTRIBUTION_KEY, "0=3;3=7;6=10");
  73     counter.initialize(counterInitializationContext);
  74
  75     assertThat(BASIC_DISTRIBUTION_FORMULA.createMeasure(counter, projectCreateMeasureContext).get().getData()).isEqualTo("0=3;3=7;6=10");
  76   }
  77
  78   @Test
  79   public void create_measure_when_counter_is_aggregating_from_another_counter() {
  80     DistributionFormula.DistributionCounter anotherCounter = BASIC_DISTRIBUTION_FORMULA.createNewCounter();
  81     addMeasure(FUNCTION_COMPLEXITY_DISTRIBUTION_KEY, "0=3;3=7;6=10");
  82     anotherCounter.initialize(counterInitializationContext);
  83
  84     DistributionFormula.DistributionCounter counter = BASIC_DISTRIBUTION_FORMULA.createNewCounter();
  85     counter.aggregate(anotherCounter);
  86
  87     assertThat(BASIC_DISTRIBUTION_FORMULA.createMeasure(counter, projectCreateMeasureContext).get().getData()).isEqualTo("0=3;3=7;6=10");
  88   }
  89
  90   @Test
  91   public void create_no_measure_when_no_value() {
  92     DistributionFormula.DistributionCounter counter = BASIC_DISTRIBUTION_FORMULA.createNewCounter();
  93     when(counterInitializationContext.getMeasure(FUNCTION_COMPLEXITY_DISTRIBUTION_KEY)).thenReturn(Optional.<Measure>absent());
  94     counter.initialize(counterInitializationContext);
  95
  96     Assertions.assertThat(BASIC_DISTRIBUTION_FORMULA.createMeasure(counter, projectCreateMeasureContext)).isAbsent();
  97   }
  98
  99   @Test
 100   public void not_create_measure_when_on_file() {
 101     DistributionFormula.DistributionCounter counter = BASIC_DISTRIBUTION_FORMULA.createNewCounter();
 102     addMeasure(FUNCTION_COMPLEXITY_DISTRIBUTION_KEY, "0=3;3=7;6=10");
 103     counter.initialize(counterInitializationContext);
 104
 105     Assertions.assertThat(BASIC_DISTRIBUTION_FORMULA.createMeasure(counter, fileCreateMeasureContext)).isAbsent();
 106   }
 107
 108   private void addMeasure(String metricKey, String value) {
 109     when(counterInitializationContext.getMeasure(metricKey)).thenReturn(Optional.of(Measure.newMeasureBuilder().create(value)));
 110   }
 111
 112 }