Bryant's Completed TDD Lab

src/main/java/object/example/Car.java

@@ -0,0 +1,88 @@
+package object.example;
+
+public class Car {
+    private String model;
+    private String brand;
+    private int year;
+    private String color;
+    private int mileage;
+    private boolean isElectric;
+
+    public Car(String model, String brand, int year, String color, int mileage, boolean isElectric) {
+        this.model = model;
+        this.brand = brand;
+        this.year = year;
+        this.color = color;
+        if (mileage < 0) {
+            throw new IllegalArgumentException("Mileage cannot be negative");
+        }
+        this.mileage = mileage;
+        this.isElectric = isElectric;
+    }
+
+    public String getModel() {
+        return model;
+    }
+
+    public void setModel(String model) {
+        this.model = model;
+    }
+
+    public String getBrand() {
+        return brand;
+    }
+
+    public void setBrand(String brand) {
+        this.brand = brand;
+    }
+
+    public int getYear() {
+        return year;
+    }
+
+    public void setYear(int year) {
+        this.year = year;
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public void setColor(String color) {
+        this.color = color;
+    }
+
+    public int getMileage() {
+        return mileage;
+    }
+
+    public void setMileage(int mileage) {
+        this.mileage = mileage;
+    }
+
+    public boolean isElectric() {
+        return isElectric;
+    }
+
+    public void setElectric(boolean electric) {
+        isElectric = electric;
+    }
+
+    public void drive(int milesDriven){
+        setMileage(getMileage() + milesDriven);
+    }
+
+    public void displayCarInfo(){
+        System.out.println("**********************");
+        System.out.println("Model " + getModel());
+        System.out.println("Brand " + getBrand());
+        System.out.println("Year: " + getYear());
+        System.out.println("Color " + getColor());
+        System.out.println("Mileage " + getMileage());
+        if(isElectric()) {
+            System.out.println("This vehicle runs on electricity.");
+        } else {
+            System.out.println("This vehicle runs on gasoline.");
+        }
+    }
+}

src/test/java/object/example/CarTest.java

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+package object.example;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class CarTest {
+    @Test
+    public void constructorShouldCreatePersonWithValidData() {
+        Car car = new Car("Volkswagen", "Jetta", 2015 , "brown", 110_000, false);
+
+        assertEquals("Volkswagen", car.getModel());
+        assertEquals("Jetta", car.getBrand());
+        assertEquals(2015, car.getYear());
+        assertEquals("brown", car.getColor());
+        assertEquals(110000, 110_000);
+        assertEquals(false, car.isElectric());
+
+    }
+
+    @Test
+    public void constructorWithNegativeMileageThrowException() {
+        assertThrows(
+                IllegalArgumentException.class,
+                () -> new Car("Honda", "Civic", 2010,
+                        "grey", -50_000, false)
+        );
+    }
+
+    @Test
+    public void setModeleShouldUpdateModel() {
+        Car car = new Car("Honda", "Civic", 2010, "grey", 50_000, false);
+        car.setModel("Honda");
+        assertEquals("Honda", car.getModel());
+    }
+
+    @Test
+    public void setBrandShouldUpdate() {
+        Car car = new Car("Honda", "Civic", 2010, "grey", 50_000, false);
+        car.setBrand("Civic");
+        assertEquals("Civic", car.getBrand());
+    }
+
+    @Test
+    public void setYearShouldUpdateYear() {
+        Car car = new Car("Honda", "Civic", 2010, "grey", 50_000, false);
+        car.setYear(2010);
+        assertEquals(2010, car.getYear());
+    }
+
+    @Test
+    public void setColorShouldUpdateColor() {
+        Car car = new Car("Honda", "Civic", 2010, "grey", 50_000, false);
+        car.setColor("grey");
+        assertEquals("grey", car.getColor());
+    }
+
+    @Test
+    public void setMileageShouldUpdateMileage() {
+        Car car = new Car("Honda", "Civic", 2010, "grey", 50_000, false);
+        car.setMileage(50_000);
+        assertEquals(50_000, car.getMileage());
+    }
+
+    @Test
+    public void setElectricShouldUpdateElectric() {
+        Car car = new Car("Honda", "Civic", 2010, "grey", 50_000, false);
+        car.setElectric(true);
+        assertEquals(true, car.isElectric());
+    }
+
+    @Test
+    public void testDrive() {
+        Car car = new Car("Civic", "Honda", 2020, "Blue", 10000, false);
+
+        car.drive(500);
+
+        assertEquals(10500, car.getMileage());
+    }
+
+    @Test
+    public void testDisplayCarInfo() {
+        Car car = new Car("Model S", "Tesla", 2023, "Red", 15000, true);
+
+        ByteArrayOutputStream output = new ByteArrayOutputStream();
+        System.setOut(new PrintStream(output));
+
+        car.displayCarInfo();
+
+        String expectedOutput = """
+        **********************
+        Model Model S
+        Brand Tesla
+        Year: 2023
+        Color Red
+        Mileage 15000
+        This vehicle runs on electricity.
+        """;
+
+        assertEquals(expectedOutput, output.toString());
+    }
+
+
+
+
+}