Add mutation-testing testing module content

mutation-testing/.classpath

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

mutation-testing/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>mutation-testing</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

mutation-testing/README.md

@@ -0,0 +1,6 @@
+=========
+
+## Mutation Testing
+
+### Relevant Articles: 
+- [Introduction to Mutation Testing Using the PITest Library](http://www.baeldung.com/????????)

mutation-testing/pom.xml

@@ -0,0 +1,38 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung</groupId>
+	<artifactId>mutation-testing</artifactId>
+	<version>0.1-SNAPSHOT</version>
+	<name>mutation-testing</name>
+	<dependencies>
+		<dependency>
+			<groupId>org.pitest</groupId>
+			<artifactId>pitest-parent</artifactId>
+			<version>1.1.10</version>
+			<type>pom</type>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.9</version>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.pitest</groupId>
+				<artifactId>pitest-maven</artifactId>
+				<version>1.1.10</version>
+				<configuration>
+					<targetClasses>
+					    <param>com.baeldung.testing.mutation.*</param>
+					</targetClasses>
+					<targetTests>
+						<param>com.baeldung.mutation.test.*</param>
+					</targetTests>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>

mutation-testing/src/main/java/com/baeldung/testing/mutation/Palindrome.java

@@ -0,0 +1,15 @@
+package com.baeldung.testing.mutation;
+
+public class Palindrome {
+    
+    public boolean isPalindrome(String inputString) {
+        if (inputString.length() == 0) {
+            return true;
+        } else {
+            char firstChar = inputString.charAt(0);
+            char lastChar = inputString.charAt(inputString.length() - 1);
+            String mid = inputString.substring(1, inputString.length() - 1);
+            return (firstChar == lastChar) && isPalindrome(mid);
+        }
+    }   
+}

mutation-testing/src/test/java/com/baeldung/mutation/test/TestPalindrome.java

@@ -0,0 +1,29 @@
+package com.baeldung.mutation.test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import com.baeldung.testing.mutation.Palindrome;
+
+public class TestPalindrome {
+
+    @Test
+	public void acceptsPalindrome() {
+	    Palindrome palindromeTester = new Palindrome();
+	    assertTrue(palindromeTester.isPalindrome("noon"));
+    }
+    
+    @Test
+    public void rejectsNonPalindrome(){
+    	Palindrome palindromeTester = new Palindrome();
+    	assertFalse(palindromeTester.isPalindrome("box"));
+    }
+    
+    @Test
+    public void rejectsNearPalindrome(){
+    	Palindrome palindromeTester = new Palindrome();
+    	assertFalse(palindromeTester.isPalindrome("neon"));
+    }
+}

pom.xml

@@ -14,7 +14,7 @@
 
     <modules>
         <module>assertj</module>
-        <module>apache-cxf</module>
+
         <module>core-java</module>
         <module>core-java-8</module>
         <module>gson</module>
@@ -36,7 +36,6 @@
         <!-- <module>raml</module> -->
         <module>rest-testing</module>
         <module>resteasy</module>
-		<module>log4j</module>
 
         <module>spring-all</module>
         <module>spring-apache-camel</module>
@@ -79,7 +78,8 @@
         <module>xml</module>
 
         <module>lombok</module>
-        <module>redis</module>
+		
+		<module>mutation-testing</module>
     </modules>
 
 </project>