update the PR with removal of README file and update pom.xml files according to comments

core-groovy-strings/README.md

@@ -1,8 +0,0 @@
-# Core Groovy Strings
-
-This module contains articles about core Groovy strings concepts
-
-## Relevant articles:
-
-- [Remove prefix in Groovy]()
-- [[<-- Prev]](/core-groovy-strings)

core-groovy-strings/pom.xml

@@ -3,70 +3,120 @@
     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">
-    <groupId>com.baeldung</groupId>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-groovy-strings</artifactId>
     <version>1.0-SNAPSHOT</version>
     <name>core-groovy-strings</name>
     <packaging>jar</packaging>
-    
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
     <dependencies>
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
-            <artifactId>groovy-all</artifactId>
+            <artifactId>groovy</artifactId>
             <version>${groovy.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.groovy</groupId>
+            <artifactId>groovy-all</artifactId>
+            <version>${groovy-all.version}</version>
             <type>pom</type>
         </dependency>
+        <dependency>
+            <groupId>org.codehaus.groovy</groupId>
+            <artifactId>groovy-dateutil</artifactId>
+            <version>${groovy.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.groovy</groupId>
+            <artifactId>groovy-sql</artifactId>
+            <version>${groovy-sql.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.junit.platform</groupId>
             <artifactId>junit-platform-runner</artifactId>
             <version>${junit.platform.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.hsqldb</groupId>
+            <artifactId>hsqldb</artifactId>
+            <version>${hsqldb.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.spockframework</groupId>
+            <artifactId>spock-core</artifactId>
+            <version>${spock-core.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
-        <scriptSourceDirectory>src/main/groovy</scriptSourceDirectory>
-        <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
             <plugin>
-                <groupId>org.codehaus.groovy</groupId>
+                <groupId>org.codehaus.gmavenplus</groupId>
-                <artifactId>groovy-eclipse-compiler</artifactId>
+                <artifactId>gmavenplus-plugin</artifactId>
-                <version>${groovy.compiler.version}</version>
+                <version>${gmavenplus-plugin.version}</version>
-                <extensions>true</extensions>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>addSources</goal>
+                            <goal>addTestSources</goal>
+                            <goal>compile</goal>
+                            <goal>compileTests</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
             <plugin>
-                <artifactId>maven-compiler-plugin</artifactId>
+                <artifactId>maven-failsafe-plugin</artifactId>
-                <version>${compiler.plugin.version}</version>
+                <version>${maven-failsafe-plugin.version}</version>
-                <configuration>
-                    <compilerId>groovy-eclipse-compiler</compilerId>
-                    <source>${java.version}</source>
-                    <target>${java.version}</target>
-                </configuration>
                 <dependencies>
                     <dependency>
-                        <groupId>org.codehaus.groovy</groupId>
+                        <groupId>org.junit.platform</groupId>
-                        <artifactId>groovy-eclipse-compiler</artifactId>
+                        <artifactId>junit-platform-surefire-provider</artifactId>
-                        <version>${groovy.compiler.version}</version>
+                        <version>${junit.platform.version}</version>
-                    </dependency>
-                    <dependency>
-                        <groupId>org.codehaus.groovy</groupId>
-                        <artifactId>groovy-eclipse-batch</artifactId>
-                        <version>${groovy.version}-01</version>
                     </dependency>
                 </dependencies>
+                <executions>
+                    <execution>
+                        <id>junit5</id>
+                        <goals>
+                            <goal>integration-test</goal>
+                            <goal>verify</goal>
+                        </goals>
+                        <configuration>
+                            <includes>
+                                <include>**/*Test5.java</include>
+                            </includes>
+                        </configuration>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
-    
+
+    <repositories>
+        <repository>
+            <id>central</id>
+            <url>https://jcenter.bintray.com</url>
+        </repository>
+    </repositories>
+
     <properties>
         <junit.platform.version>1.0.0</junit.platform.version>
-        <groovy-wslite.version>1.1.3</groovy-wslite.version>
+        <groovy.version>2.5.6</groovy.version>
-        <groovy.version>2.5.7</groovy.version>
+        <groovy-all.version>2.5.6</groovy-all.version>
-        <surefire.plugin.version>2.20.1</surefire.plugin.version>
+        <groovy-sql.version>2.5.6</groovy-sql.version>
-        <compiler.plugin.version>3.8.0</compiler.plugin.version>
+        <hsqldb.version>2.4.0</hsqldb.version>
-        <groovy.compiler.version>3.3.0-01</groovy.compiler.version>
+        <spock-core.version>1.1-groovy-2.4</spock-core.version>
-        <java.version>1.8</java.version>
+        <gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
     </properties>
-    
+
 </project>

core-groovy-strings/src/test/groovy/com/baeldung/removeprefix/RemovePrefixTest.groovy

@@ -9,23 +9,28 @@ class RemovePrefixTest {
     @Test
     public void whenCasePrefixIsRemoved_thenReturnTrue() {
         def trimPrefix = {
-            it.startsWith('Groovy') ? it.minus('Groovy') : it
+            it.startsWith('Groovy-') ? it.minus('Groovy-') : it
         }
+        
+        def actual = trimPrefix("Groovy-Tutorials at Baeldung")
+        def expected = "Tutorials at Baeldung"
 
-        Assert.assertEquals(trimPrefix("GroovyTutorials at Baeldung"), "Tutorials at Baeldung")
+        Assert.assertEquals(expected, actual)
     }
 
     @Test
-    public void whenPrefixIsRemovedWithIgnoreCase_thenReturnTrue() {
+    public void whenPrefixIsRemoved_thenReturnTrue() {
 
         String prefix = "groovy-"
         String trimPrefix = "Groovy-Tutorials at Baeldung"
-        def result;
+        def actual;
         if(trimPrefix.startsWithIgnoreCase(prefix)) {
-            result = trimPrefix.substring(prefix.length())
+            actual = trimPrefix.substring(prefix.length())
         }
+        
+        def expected = "Tutorials at Baeldung"
 
-        Assert.assertEquals("Tutorials at Baeldung", result)
+        Assert.assertEquals(expected, actual)
     }
 
     @Test
@@ -33,26 +38,32 @@ class RemovePrefixTest {
 
         def regex = ~"^([Gg])roovy-"
         String trimPrefix = "Groovy-Tutorials at Baeldung"
-        String result = trimPrefix - regex
+        String actual = trimPrefix - regex
+        
+        def expected = "Tutorials at Baeldung"
 
-        Assert.assertEquals("Tutorials at Baeldung", result)
+        Assert.assertEquals(expected, actual)
     }
 
     @Test public void whenPrefixIsRemovedUsingReplaceFirst_thenReturnTrue() {
         def regex = ~"^groovy" 
         String trimPrefix = "groovyTutorials at Baeldung's groovy page" 
-        String result = trimPrefix.replaceFirst(regex, "") 
+        String actual = trimPrefix.replaceFirst(regex, "")
         
-        Assert.assertEquals("Tutorials at Baeldung's groovy page", result)
+        def expected = "Tutorials at Baeldung's groovy page"
+        
+        Assert.assertEquals(expected, actual)
     }
 
     @Test
     public void whenPrefixIsRemovedUsingReplaceAll_thenReturnTrue() {
 
         String trimPrefix = "groovyTutorials at Baeldung groovy"
-        String result = trimPrefix.replaceAll(/^groovy/, "")
+        String actual = trimPrefix.replaceAll(/^groovy/, "")
+        
+        def expected = "Tutorials at Baeldung groovy"
 
-        Assert.assertEquals("Tutorials at Baeldung groovy", result)
+        Assert.assertEquals(expected, actual)
     }
 
-}
+}

pom.xml

@@ -383,6 +383,7 @@
                 <module>core-groovy</module>
                 <module>core-groovy-2</module>
                 <module>core-groovy-collections</module>
+                <module>core-groovy-strings</module>
 
                 <module>core-java-modules</module>
                 <module>core-kotlin-modules</module>
@@ -898,6 +899,7 @@
                 <module>core-groovy</module>
                 <module>core-groovy-2</module>
                 <module>core-groovy-collections</module>
+                <module>core-groovy-strings</module>
 
                 <module>core-java-modules</module>
                 <module>core-kotlin-modules</module>