<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13</version>
<scope>test</scope>
</dependency>
groovy
testImplementation 'junit:junit:4.13'
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class CalculatorTest {
private Calculator calculator;
@Before
public void setUp() {
calculator = new Calculator();
}
@Test
public void testAdd() {
int result = calculator.add(2, 3);
assertEquals(5, result);
}
@Test
public void testSubtract() {
int result = calculator.subtract(5, 3);
assertEquals(2, result);
}
@Test
public void testMultiply() {
int result = calculator.multiply(2, 3);
assertEquals(6, result);
}
}
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>3.12.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-all</artifactId>
<version>2.2</version>
<scope>test</scope>
</dependency>
groovy
testImplementation 'org.mockito:mockito-core:3.12.4'
testImplementation 'org.hamcrest:hamcrest-all:2.2'
import org.junit.Test;
import static org.mockito.Mockito.*;
public class AppIntegrationTest {
@Test
public void testSendEmailAndLog() {
EmailSender emailSender = mock(EmailSender.class);
Logger logger = mock(Logger.class);
App app = new App(emailSender, logger);
app.sendEmailAndLog("recipient@example.com", "Hello, World!");
verify(emailSender, times(1)).sendEmail(eq("recipient@example.com"), eq("Hello, World!"));
verify(logger, times(1)).log(eq("Email sent: recipient@example.com"));
}
}
