feat: adds unit test to test file and updates formatting in exception & main files

Author: kksaunders251

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/tiktokvideosystem/InvalidViewIncrementException.java

@@ -1,8 +1,7 @@
 package com.codedifferently.lesson16.tiktokvideosystem;
 
-public class InvalidViewIncrementException extends RuntimeException { 
-    public InvalidViewIncrementException(String message) {
-        super(message);
-    
-}
+public class InvalidViewIncrementException extends RuntimeException {
+  public InvalidViewIncrementException(String message) {
+    super(message);
+  }
 }

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/tiktokvideosystem/TiktokVideo.java

@@ -2,87 +2,86 @@
 
 import java.util.ArrayList;
 
-
-
 public class TiktokVideo {
-    private String creatorName;
-    private int viewsCount;
-    private int likesCount;
-    private VideoCategory videoCategory;
-    private ArrayList<String> commentsList;
+  private String creatorName;
+  private int viewsCount;
+  private int likesCount;
+  private VideoCategory videoCategory;
+  private ArrayList<String> commentsList;
 
-    public enum VideoCategory {
+  public enum VideoCategory {
     DANCE,
     COMEDY,
     VLOG,
     TUTORIAL
-}
-
-    
-public TiktokVideo(String creatorName, int viewsCount, int likesCount, VideoCategory videoCategory ){
-this.creatorName = creatorName;
-this.viewsCount = viewsCount;
-this.likesCount = likesCount;
-this.videoCategory = videoCategory;
-this.commentsList = new ArrayList<>();
-}
-
-
-//One function uses a conditional expression to check if the video has more than a specific number of views (e.g., 1 million views).
-public void increaseViews(int amount){
-   // Use a conditional to check if amount is positive
-if (amount > 0){
-     // If so, add amount to the views
-this.viewsCount += amount;
-}
- // Else, either print a message or throw an exception
-else{
-throw new InvalidViewIncrementException("View increase amount must be positive.");
-}
-}
+  }
+
+  public TiktokVideo(
+      String creatorName, int viewsCount, int likesCount, VideoCategory videoCategory) {
+    this.creatorName = creatorName;
+    this.viewsCount = viewsCount;
+    this.likesCount = likesCount;
+    this.videoCategory = videoCategory;
+    this.commentsList = new ArrayList<>();
+  }
+
+  // One function uses a conditional expression to check if the video has more than a specific
+  // number of views (e.g., 1 million views).
+  public void increaseViews(int amount) {
+    // Use a conditional to check if amount is positive
+    if (amount > 0) {
+      // If so, add amount to the views
+      this.viewsCount += amount;
+    }
+    // Else, either print a message or throw an exception
+    else {
+      throw new InvalidViewIncrementException("View increase amount must be positive.");
+    }
+  }
 
-public double likeToViewRatio() {
+  public double likeToViewRatio() {
     if (viewsCount == 0) {
-        return 0.0;
+      return 0.0;
     }
 
     int totalLikes = 0;
-//used chat because I was not sure how to make a ratio within a for loop
+    // used chat because I was not sure how to make a ratio within a for loop
     for (int i = 0; i < likesCount; i++) {
-        totalLikes++;
+      totalLikes++;
     }
 
     double ratio = (double) totalLikes / viewsCount;
     return ratio;
-}
-public void displayComments(ArrayList<String> userComments){
-    if(userComments == null){
-        System.out.println("No comments yet. Be the first to comment!");
-    } else {
-        for(int i = 0; i < userComments.size(); i++){
-            System.out.println(userComments.get(i));
+  }
 
-        }
+  public void displayComments(ArrayList<String> userComments) {
+    if (userComments == null) {
+      System.out.println("No comments yet. Be the first to comment!");
+    } else {
+      for (int i = 0; i < userComments.size(); i++) {
+        System.out.println(userComments.get(i));
+      }
     }
-}
-public void addComments(String comment){
-    
-    commentsList.add(comment);
-}
-public String getCreator(){
-    return this.creatorName;
-}
-public void  setVideoCategory(VideoCategory videoType){
-   this.videoCategory = videoType;
-}
-public VideoCategory getVideoCategory (){
-    return this.videoCategory;
+  }
 
-}
-}
- 
+  public void addComments(String comment) {
 
+    commentsList.add(comment);
+  }
 
+  public String getCreator() {
+    return this.creatorName;
+  }
 
+  public void setVideoCategory(VideoCategory videoType) {
+    this.videoCategory = videoType;
+  }
 
+  public VideoCategory getVideoCategory() {
+    return this.videoCategory;
+  }
 
+  public int getViewsCount() {
+    return this.viewsCount;
+  }
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/tiktokvideosystem/TiktokVideoTest.java

@@ -1,10 +1,49 @@
 package com.codedifferently.lesson16.tiktokvideosystem;
-import static com.codedifferently.lesson16.tiktokvideosystem.InvalidViewIncrementException;
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.hamcrest.MatcherAssert.assertThat.assertEquals;
+import org.hamcrest.Matchers.is;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 public class TiktokVideoTest {
-    @Test 
-    
+
+  private TiktokVideo tiktokVideo;
+
+  @BeforeEach
+  void setUp() {
+    tiktokVideo =
+        new TiktokVideo("enigivensunday", 1000000, 500000, TiktokVideo.VideoCategory.VLOG);
+  }
+
+  @Test
+  void testConstructor() {
+    TiktokVideo video = new TiktokVideo("Jane", 3000, 1000, VideoCategory.DANCE);
+  }
+
+  @Test
+  void getVideoCategory() {
+    assertEquals(TiktokVideo.VideoCategory.VLOG, tiktokVideo.getVideoCategory());
+  }
+
+  @Test
+  void testIncreaseViewsPositive() {
+    tiktokVideo.increaseViews(500);
+    // got the is matcher idea from chat gpt
+    assertThat(tiktokVideo.getViewsCount(), is(1500));
+  }
+
+  @Test
+  void testDecreaseViewsNegative() {
+    tiktokVideo.InvalidViewIncrementException(-78);
+    assertThrows(InvalidViewIncrementException.class, () -> tiktokVideo);
+  }
+
+  @Test
+  String showCommennts() {}
+
+  @Test
+  void getCreatorName() {
+
+    assertEquals(TiktokVideo.String, tiktokVideo.getCreator());
+  }
 }