Feat: added Lunch Method and tests for lesson_16 folder

Author: jjcapparell

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/Lunch/Lunch.java

@@ -0,0 +1,68 @@
+package com.codedifferently.lesson16.Lunch;
+
+import java.util.ArrayList;
+
+public class Lunch {
+
+  public enum LunchType {
+    VEGETARIAN,
+    NON_VEGETARIAN,
+    VEGAN,
+    GLUTEN_FREE
+  }
+
+  // Member variables
+  private final String mainDish; // String type
+  private final String sideDish; // String type
+  private final int calories; // Integer type
+  private final LunchType lunchType; // Enum type
+  private final ArrayList<String> drinks; // Collection type (ArrayList)
+
+  // Constructor
+  public Lunch(String mainDish, String sideDish, int calories, LunchType lunchType) {
+    this.mainDish = mainDish;
+    this.sideDish = sideDish;
+    this.calories = calories;
+    this.lunchType = lunchType;
+    this.drinks = new ArrayList<>();
+  }
+
+  // Member function to add a drink
+  public void addDrink(String drink) {
+    drinks.add(drink);
+  }
+
+  // Member function to get a healthy message based on calories
+  public String getHealthMessage() {
+    return (calories < 500) ? "This lunch is healthy!" : "This lunch is high in calories.";
+  }
+
+  // Member function to display all drinks
+  public void displayDrinks() {
+    System.out.println("Available drinks:");
+    for (String drink : drinks) {
+      System.out.println("- " + drink);
+    }
+  }
+
+  // Getters for member variables (optional)
+  public String getMainDish() {
+    return mainDish;
+  }
+
+  public String getSideDish() {
+    return sideDish;
+  }
+
+  public int getCalories() {
+    return calories;
+  }
+
+  public LunchType getLunchType() {
+    return lunchType;
+  }
+
+  public ArrayList<String> getDrinks() {
+    return drinks;
+  }
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/LunchTest/LunchTest.java

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+package com.codedifferently.lesson16.LunchTest;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.codedifferently.lesson16.Lunch.Lunch;
+import java.util.ArrayList;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class LunchTest {
+
+  private Lunch lunch;
+
+  @BeforeEach
+  public void setUp() {
+    lunch = new Lunch("Grilled Chicken", "Caesar Salad", 450, Lunch.LunchType.NON_VEGETARIAN);
+  }
+
+  @Test
+  public void testAddDrink() {
+    lunch.addDrink("Iced Tea");
+    lunch.addDrink("Lemonade");
+
+    // Verify that drinks were added correctly
+    ArrayList<String> expectedDrinks = new ArrayList<>();
+    expectedDrinks.add("Iced Tea");
+    expectedDrinks.add("Lemonade");
+
+    // Use reflection or a method to get the drinks if you have one
+    assertEquals(expectedDrinks.size(), lunch.getDrinks().size());
+    assertTrue(lunch.getDrinks().containsAll(expectedDrinks));
+  }
+
+  @Test
+  public void testGetHealthMessageHealthy() {
+    lunch = new Lunch("Salad", "Fruit", 300, Lunch.LunchType.VEGAN);
+    assertEquals("This lunch is healthy!", lunch.getHealthMessage());
+  }
+
+  @Test
+  public void testGetHealthMessageUnhealthy() {
+    lunch = new Lunch("Cheeseburger", "Fries", 800, Lunch.LunchType.NON_VEGETARIAN);
+    assertEquals("This lunch is high in calories.", lunch.getHealthMessage());
+  }
+
+  @Test
+  public void testDisplayDrinks() {
+    lunch.addDrink("Water");
+    // Capture output or verify by using a mocked System.out or similar approach
+    // For simplicity, you could check if a drink was added and assume display works
+    assertTrue(lunch.getDrinks().contains("Water"));
+  }
+
+  // Helper method to access the drinks list for testing
+  public ArrayList<String> getDrinks() {
+    return lunch.getDrinks();
+  }
+}