public class Utils {
public static int processData(int num) {
return num * 2;
}
}
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.powermock.api.mockito.PowerMockito.mockStatic;
import static org.powermock.api.mockito.PowerMockito.when;
@RunWith(PowerMockRunner.class)
@PrepareForTest(Utils.class)
public class UtilsTest {
@Test
public void testProcessData() {
int input = 5;
mockStatic(Utils.class);
when(Utils.processData(input)).thenReturn(10);
int result = Utils.processData(input);
assertEquals(10, result);
}
}
public class Calculator {
private int add(int num1, int num2) {
return num1 + num2;
}
}
import org.powermock.reflect.Whitebox;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class CalculatorTest {
@Test
public void testAdd() throws Exception {
Calculator calculator = new Calculator();
int num1 = 2;
int num2 = 3;
int result = Whitebox.invokeMethod(calculator, "add", num1, num2);
assertEquals(5, result);
}
}
