Introduce mutation testing

Author: Salvi

pom.xml

@@ -283,17 +283,55 @@
             </plugin>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.2</version>
+                <version>3.0.0-M3</version>
             </plugin>
             <plugin>
                 <artifactId>maven-failsafe-plugin</artifactId>
-                <version>2.22.2</version>
+                <version>3.0.0-M3</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
                 <version>3.7.1</version>
             </plugin>
+
+
+
+            <plugin>
+                <groupId>org.pitest</groupId>
+                <artifactId>pitest-maven</artifactId>
+                <version>1.4.10</version>
+
+                <executions>
+                    <execution>
+                        <id>pit-report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>mutationCoverage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+
+                <!-- https://github.com/hcoles/pitest/issues/284 -->
+                <!-- Need this to support JUnit 5 -->
+                <dependencies>
+                    <dependency>
+                        <groupId>org.pitest</groupId>
+                        <artifactId>pitest-junit5-plugin</artifactId>
+                        <version>0.9</version>
+                    </dependency>
+                </dependencies>
+                <configuration>
+                    <targetClasses>
+                        <param>it.intre.*</param>
+                    </targetClasses>
+                    <targetTests>
+                        <param>it.intre.*</param>
+                    </targetTests>
+                </configuration>
+            </plugin>
+
+
         </plugins>
     </build>