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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.
This commit is contained in:
MohamedHelmyKassab 2023-10-16 01:25:13 +03:00 committed by GitHub
parent ab62e675ec
commit 0eafba3ba1
4 changed files with 122 additions and 0 deletions
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2
core-java-modules/core-java-string-operations-7/README.md Normal file
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### Relevant Articles:

72
core-java-modules/core-java-string-operations-7/pom.xml Normal file
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<?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>

47
core-java-modules/core-java-string-operations-7/src/test/java/com/baeldung/centertext/CenteringTextUnitTest.java Normal file
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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);
}
}

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core-java-modules/pom.xml
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<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>