feat: add hip hop artist classes and corresponding tests

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/hiphopArtist/HipHopArtist.java

@@ -0,0 +1,143 @@
+package com.codedifferently.lesson16.hiphopArtist;
+
+import java.util.ArrayList;
+
+public class HipHopArtist {
+  private boolean isAlive;
+  private String stageName;
+  private int debutYear;
+  private double netWorth;
+  private ArrayList<String> albums;
+  private Genre genre;
+
+  public HipHopArtist(
+      boolean isAlive,
+      String stageName,
+      int debutYear,
+      double netWorth,
+      ArrayList<String> albums,
+      Genre genre) {
+    this.isAlive = isAlive;
+    this.stageName = stageName;
+    this.debutYear = debutYear;
+    this.netWorth = netWorth;
+    this.albums = albums;
+    this.genre = genre;
+  }
+
+  public String checkLegendStatus() {
+    return debutYear <= 2000
+        ? stageName + " is a legend in the game."
+        : stageName + " is a modern star.";
+  }
+
+  public void addAlbum(String album) {
+    albums.add(album);
+    System.out.println(album + " was added to " + stageName + "'s discography.");
+  }
+
+  public String listAlbums() throws NoAlbumsException {
+    if (albums.isEmpty()) {
+      throw new NoAlbumsException(stageName + " has no albums listed.");
+    }
+    System.out.println("Albums by " + stageName + ":");
+    for (String album : albums) {
+      System.out.println("- " + album);
+    }
+    return stageName;
+  }
+
+  public String getBio() {
+    return stageName
+        + " ("
+        + genre
+        + ") debuted in "
+        + debutYear
+        + ", is "
+        + (isAlive ? "alive" : "deceased")
+        + ", and has a net worth of $"
+        + netWorth
+        + ".";
+  }
+
+  public boolean isAlive() {
+    return isAlive;
+  }
+
+  public void setAlive(boolean alive) {
+    isAlive = alive;
+  }
+
+  public String getStageName() {
+    return stageName;
+  }
+
+  public void setStageName(String stageName) {
+    this.stageName = stageName;
+  }
+
+  public int getDebutYear() {
+    return debutYear;
+  }
+
+  public void setDebutYear(int debutYear) {
+    this.debutYear = debutYear;
+  }
+
+  public double getNetWorth() {
+    return netWorth;
+  }
+
+  public void setNetWorth(double netWorth) {
+    this.netWorth = netWorth;
+  }
+
+  public ArrayList<String> getAlbums() {
+    return albums;
+  }
+
+  public void setAlbums(ArrayList<String> albums) {
+    this.albums = albums;
+  }
+
+  public Genre getGenre() {
+    return genre;
+  }
+
+  public void setGenre(Genre genre) {
+    this.genre = genre;
+  }
+
+  public enum Genre {
+    RAP,
+    GANGSTA_RAP,
+    OLD_SCHOOL,
+    TRAP,
+    DRILL,
+  }
+
+  @Override
+  public String toString() {
+    return "HipHopArtist{"
+        + "isAlive="
+        + isAlive
+        + ", stageName='"
+        + stageName
+        + '\''
+        + ", debutYear="
+        + debutYear
+        + ", netWorth="
+        + netWorth
+        + ", albums="
+        + albums
+        + ", genre="
+        + genre
+        + '}';
+  }
+}
+
+class NoAlbumsException extends Exception {
+  public NoAlbumsException(String message) {
+    super(message);
+  }
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/hiphopArtist/HipHopArtistTest.java

@@ -0,0 +1,162 @@
+package com.codedifferently.lesson16.hiphopArtist;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.codedifferently.lesson16.hiphopArtist.HipHopArtist.Genre;
+import java.util.ArrayList;
+import org.junit.jupiter.api.Test;
+
+public class HipHopArtistTest {
+
+  @Test
+  public void testCheckLegendStatus() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Check legend status
+    String expected = "Kendrick Lamar is a modern star.";
+    String actual = artist.checkLegendStatus();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testAddAlbum() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Add an album
+    artist.addAlbum("good kid, m.A.A.d city");
+
+    // Check if the album was added
+    assertTrue(artist.getAlbums().contains("good kid, m.A.A.d city"));
+  }
+
+  @Test
+  public void testIsAlive() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Check if the artist is alive
+    boolean expected = true;
+    boolean actual = artist.isAlive();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testGetStageName() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Get stage name
+    String expected = "Kendrick Lamar";
+    String actual = artist.getStageName();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testSetAlive() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Set alive status to false
+    artist.setAlive(false);
+
+    // Check if the artist is alive
+    boolean expected = false;
+    boolean actual = artist.isAlive();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testSetStageName() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Set stage name
+    artist.setStageName("K.Dot");
+
+    // Get stage name
+    String expected = "K.Dot";
+    String actual = artist.getStageName();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testGetDebutYear() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Get debut year
+    int expected = 2012;
+    int actual = artist.getDebutYear();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testSetDebutYear() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Set debut year
+    artist.setDebutYear(2011);
+
+    // Get debut year
+    int expected = 2011;
+    int actual = artist.getDebutYear();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testGetNetWorth() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Get net worth
+    double expected = 75_000_000;
+    double actual = artist.getNetWorth();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+
+  @Test
+  public void testSetNetWorth() {
+    // Create a HipHopArtist object
+    HipHopArtist artist =
+        new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
+
+    // Set net worth
+    artist.setNetWorth(80_000_000);
+
+    // Get net worth
+    double expected = 80_000_000;
+    double actual = artist.getNetWorth();
+
+    // Assert the result
+    assertEquals(expected, actual);
+  }
+}