feat: Added object person and test lesson 16 Hw by Hummad Tanweer (#530)

* "working on object test file "

* feat: modified tests

* chore: fixed package and directory to lowercase

* chore: fixed package and directory to lowercase

* chore: fixed package and directory to lowercase (now works)

* chore: fixed package and directory to lowercase (now works with full name)

* chore: applied gradle spotlessApply

* chore: applied gradle spotlessApply

Author: htanweer244

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/hummadtanweer/Person.java

@@ -0,0 +1,55 @@
+package com.codedifferently.lesson16.hummadtanweer;
+
+import java.util.ArrayList;
+
+public class Person {
+  private final String name;
+  private final int age;
+  private final Gender gender;
+  private final ArrayList<String> hobbies;
+  private final String email;
+  private final int MAX_HOBBIES = 2;
+
+  public class HobbyLimitExceededException extends Exception {
+    public HobbyLimitExceededException(String message) {
+      super(message);
+    }
+  }
+
+  enum Gender {
+    MALE,
+    FEMALE,
+    OTHER
+  }
+
+  public Person(String name, int age, Gender gender, String email) {
+    this.name = name;
+    this.age = age;
+    this.gender = gender;
+    this.email = email;
+    this.hobbies = new ArrayList<>();
+  }
+
+  public void addHobby(String hobby) throws HobbyLimitExceededException {
+    if (hobbies.size() >= MAX_HOBBIES) {
+      throw new HobbyLimitExceededException("Cannot add more than " + MAX_HOBBIES + " hobbies.");
+    }
+    hobbies.add(hobby);
+  }
+
+  public ArrayList<String> getHobbies() {
+    return hobbies;
+  }
+
+  public boolean isAdult() {
+    return age >= 18;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getEmail() {
+    return email;
+  }
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/hummadtanweer/PersonTest.java

@@ -0,0 +1,58 @@
+package com.codedifferently.lesson16.hummadtanweer;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
+import com.codedifferently.lesson16.hummadtanweer.Person.Gender;
+import com.codedifferently.lesson16.hummadtanweer.Person.HobbyLimitExceededException;
+import org.junit.jupiter.api.Test;
+
+public class PersonTest {
+  @Test
+  void testIsAdult() {
+    Person adult = new Person("xyz", 29, Gender.MALE, "xyz@gmail.com");
+    assertTrue(adult.isAdult(), "True for 29");
+    Person minor = new Person("abc", 15, Gender.FEMALE, "abc@gmail.com");
+    assertFalse(minor.isAdult(), "False for 15");
+  }
+
+  @Test
+  void testAddHobby() throws HobbyLimitExceededException {
+    Person person = new Person("xyz", 29, Gender.MALE, "xyz@gmail.com");
+
+    person.addHobby("Football");
+    person.addHobby("Pickleball");
+
+    assertEquals(2, person.getHobbies().size());
+    assertTrue(person.getHobbies().contains("Football"));
+    assertTrue(person.getHobbies().contains("Pickleball"));
+  }
+
+  @Test
+  public void testGetName() {
+    Person person = new Person("xyz", 29, Gender.MALE, "xyz@gmail.com");
+    assertEquals("xyz", person.getName());
+  }
+
+  @Test
+  public void getEmail() {
+    Person person = new Person("xyz", 29, Gender.MALE, "xyz@gmail.com");
+    assertEquals("xyz@gmail.com", person.getEmail());
+  }
+
+  @Test
+  void testAddHobbyExceedsLimit() throws HobbyLimitExceededException {
+    Person person = new Person("xyz", 29, Gender.MALE, "xyz@gmail.com");
+
+    try {
+      person.addHobby("Football");
+      person.addHobby("Pickleball");
+      person.addHobby("Basketball");
+      fail("Expected HobbyLimitExceededException to be thrown");
+    } catch (HobbyLimitExceededException e) {
+      assertEquals("Cannot add more than 2 hobbies.", e.getMessage());
+    }
+  }
+}