From 0eafba3ba1116a52cca5fa5ff7688e017946228e Mon Sep 17 00:00:00 2001
From: MohamedHelmyKassab
 <137485958+MohamedHelmyKassab@users.noreply.github.com>
Date: Mon, 16 Oct 2023 01:25:13 +0300
Subject: [PATCH]  This PR related to the article BAEL-7023 (#14993)

* Update pom.xml

* This commit related to the article BAEL-7023

This commit aims to add a test class 'CenteringTextUnitTest.java' proposing several ways to center text in Java.
---
 .../core-java-string-operations-7/README.md   |  2 +
 .../core-java-string-operations-7/pom.xml     | 72 +++++++++++++++++++
 .../centertext/CenteringTextUnitTest.java     | 47 ++++++++++++
 core-java-modules/pom.xml                     |  1 +
 4 files changed, 122 insertions(+)
 create mode 100644 core-java-modules/core-java-string-operations-7/README.md
 create mode 100644 core-java-modules/core-java-string-operations-7/pom.xml
 create mode 100644 core-java-modules/core-java-string-operations-7/src/test/java/com/baeldung/centertext/CenteringTextUnitTest.java

diff --git a/core-java-modules/core-java-string-operations-7/README.md b/core-java-modules/core-java-string-operations-7/README.md
new file mode 100644
index 0000000000..2dce44d217
--- /dev/null
+++ b/core-java-modules/core-java-string-operations-7/README.md
@@ -0,0 +1,2 @@
+
+### Relevant Articles:
diff --git a/core-java-modules/core-java-string-operations-7/pom.xml b/core-java-modules/core-java-string-operations-7/pom.xml
new file mode 100644
index 0000000000..595f918fcd
--- /dev/null
+++ b/core-java-modules/core-java-string-operations-7/pom.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <artifactId>core-java-string-operations-7</artifactId>
+    <name>core-java-string-operations-7</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${apache.commons.lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-text</artifactId>
+            <version>${commons-text.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.liquibase</groupId>
+            <artifactId>liquibase-core</artifactId>
+            <version>4.9.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.8.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.liquibase</groupId>
+            <artifactId>liquibase-core</artifactId>
+            <version>4.9.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <apache.commons.lang3.version>3.12.0</apache.commons.lang3.version>
+        <commons-text.version>1.10.0</commons-text.version>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-string-operations-7/src/test/java/com/baeldung/centertext/CenteringTextUnitTest.java b/core-java-modules/core-java-string-operations-7/src/test/java/com/baeldung/centertext/CenteringTextUnitTest.java
new file mode 100644
index 0000000000..ff53d8b3fa
--- /dev/null
+++ b/core-java-modules/core-java-string-operations-7/src/test/java/com/baeldung/centertext/CenteringTextUnitTest.java
@@ -0,0 +1,47 @@
+package com.baeldung.centertext;
+
+import liquibase.repackaged.org.apache.commons.lang3.StringUtils;
+import org.junit.Assert;
+import org.junit.jupiter.api.Test;
+import static org.junit.Assert.assertEquals;
+
+public class CenteringTextUnitTest {
+
+    @Test
+    public void givenTextAndTotalWidth_whenUsingStringFormat_thenTextIsCentered() {
+        String text = "Centered Text";
+        int totalWidth = 20;
+        int padding = (totalWidth - text.length()) / 2;
+        String centeredText = String.format("%" + padding + "s%s%" + padding + "s", "", text, "");
+        String expectedCenteredText = "   Centered Text   ";
+        Assert.assertEquals("Centered Text", expectedCenteredText, centeredText);
+    }
+
+    @Test
+    public void givenTextAndTotalWidth_whenCenterUsingStringBuilder_thenTextIsCentered() {
+        String text = "Centered Text";
+        int width = 20;
+        int padding = (width - text.length()) / 2;
+        StringBuilder centeredText = new StringBuilder();
+        for (int i = 0; i < padding; i++) {
+            centeredText.append(" ");
+        }
+        centeredText.append(text);
+        for (int i = 0; i < padding; i++) {
+            centeredText.append(" ");
+        }
+        String centeredTextString = centeredText.toString();
+        String expectedCenteredText = "   Centered Text   ";
+        Assert.assertEquals("Centered Text", expectedCenteredText, centeredTextString);
+    }
+
+    @Test
+    public void givenTextAndTotalWidth_whenUsingStringUtilsCenterMethod_thenTextIsCentered() {
+        String text = "Centered Text";
+        int width = 20;
+        String centeredText = StringUtils.center(text, width);
+        String expectedCenteredText = StringUtils.center("Centered Text", width);
+        assertEquals("Centered Text", expectedCenteredText, centeredText);
+    }
+
+}
\ No newline at end of file
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 5b37db6e1a..5cae60bc2a 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -178,6 +178,7 @@
         <module>core-java-string-operations</module>
         <module>core-java-string-operations-2</module>
         <module>core-java-string-operations-6</module>
+        <module>core-java-string-operations-7</module>
         <module>core-java-regex</module>
         <module>core-java-regex-2</module>
         <module>core-java-uuid</module>