org.pitest.mutationtest.MutationStatusTestPair Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of pitest Show documentation
Mutation testing system for Java.
There is a newer version: 1.16.1
/*
 * Copyright 2011 Henry Coles
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */
package org.pitest.mutationtest;

import java.io.Serializable;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;

public final class MutationStatusTestPair implements Serializable {

  private static final long serialVersionUID = 1L;

  private final int             numberOfTestsRun;
  private final DetectionStatus status;
  private final List    killingTests;
  private final List    succeedingTests;

  public static MutationStatusTestPair notAnalysed(int testsRun, DetectionStatus status) {
    return new MutationStatusTestPair(testsRun, status, Collections.emptyList(), Collections.emptyList());
  }

  public MutationStatusTestPair(final int numberOfTestsRun,
      final DetectionStatus status, final String killingTest) {
    this(numberOfTestsRun, status, killingTestToList(killingTest),
      Collections.emptyList());
  }

  public MutationStatusTestPair(final int numberOfTestsRun,
      final DetectionStatus status, final List killingTests,
      final List succeedingTests) {
    this.status = status;
    this.killingTests = killingTests;
    this.succeedingTests = succeedingTests;
    this.numberOfTestsRun = numberOfTestsRun;
  }
  
  private static List killingTestToList(String killingTest) {
    if (killingTest == null) {
      return Collections.emptyList();
    }
    
    return Collections.singletonList(killingTest);
  }

  public DetectionStatus getStatus() {
    return this.status;
  }

  /**
   * Get the killing test.
   * If the full mutation matrix is enabled, the first test will be returned.
   */
  public Optional getKillingTest() {
    if (this.killingTests.isEmpty()) {
      return Optional.empty();
    }
    return Optional.of(this.killingTests.get(0));
  }

  /** Get all killing tests.
   *  If the full mutation matrix is not enabled, this will only be the first killing test. 
   */
  public List getKillingTests() {
    return killingTests;
  }

  /** Get all succeeding tests.
   *  If the full mutation matrix is not enabled, this list will be empty. 
   */
  public List getSucceedingTests() {
    return succeedingTests;
  }

  public int getNumberOfTestsRun() {
    return this.numberOfTestsRun;
  }

  @Override
  public String toString() {
    if (this.killingTests.isEmpty()) {
      return this.status.name();
    } else {
      return this.status.name() + " by " + this.killingTests;
    }

  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = (prime * result)
        + ((this.killingTests == null) ? 0 : this.killingTests.hashCode());
    result = (prime * result)
        + ((this.succeedingTests == null) ? 0 : this.succeedingTests.hashCode());
    result = (prime * result) + this.numberOfTestsRun;
    result = (prime * result)
        + ((this.status == null) ? 0 : this.status.hashCode());
    return result;
  }

  @Override
  public boolean equals(final Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final MutationStatusTestPair other = (MutationStatusTestPair) obj;
    if (!Objects.equals( this.killingTests,other.killingTests)) {
      return false;
    }
    if (!Objects.equals(this.succeedingTests, other.succeedingTests)) {
      return false;
    }
    if (this.numberOfTestsRun != other.numberOfTestsRun) {
      return false;
    }
    if (this.status != other.status) {
      return false;
    }
    return true;
  }

}