@Test AnnotationCalculatoradd(int a, int b) und subtract(int a, int b)
public class Calculator {
public int add(int a, int b) {
return a + b;
}
public int subtract(int a, int b) {
return a - b;
}
}
CalculatorTestCalculator-Klasseimport static org.junit.Assert.*;
import org.junit.Test;
public class CalculatorTest {
@Test
public void testAdd() {
Calculator calculator = new Calculator();
assertEquals(5, calculator.add(2, 3));
}
@Test
public void testSubtract() {
Calculator calculator = new Calculator();
assertEquals(1, calculator.subtract(4, 3));
}
}
Ausführungsmethoden:
Beispiel: Ausführen mit Maven
pom.xml einmvn test
unit-tests-intro/
├── src/
│ ├── main/
│ │ └── java/
│ │ └── (Ihre Hauptklassen hier)
│ └── test/
│ └── java/
│ └── (Ihre Testklassen hier)
└── pom.xml
<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.example</groupId>
<artifactId>unit-tests-intro</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
Erfolgreiche Tests:
Fehlgeschlagene Tests:
Schritte zur Fehlerbehebung:
Best Practices: