feat: Created test files for book, patron, library and an exception

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/natayaprice/BookTest.java

@@ -0,0 +1,62 @@
+package com.codedifferently.lesson9.natayaprice;
+
+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 org.junit.jupiter.api.Test;
+
+public class BookTest {
+
+ @Test
+ public void testGetTitle() {
+ Book book = new Book("Children of Blood and Bone", "781250170972", "Tomi Adeyemi", 544);
+ assertEquals("Children of Blood and Bone", book.getTitle());
+ }
+
+ @Test
+ public void testGetISBN() {
+ Book book =
+ new Book(
+ "The Sisters Grimm:The Fairy-Tale Detectives", "9780810970571", "Michael Buckley", 176);
+ assertEquals("9780810970571", book.getISBN());
+ }
+
+ @Test
+ public void testGetAuthors() {
+ Book book = new Book("A Light in the Attic", "9780060256739", "Shel Silverstein", 176);
+ assertEquals("Shel Silverstein", book.getAuthors());
+ }
+
+ @Test
+ public void testGetTotalPages() {
+ Book book =
+ new Book(
+ "Junie B. Jones and the Mushy Gushy Valentine", "9780375800408", "Barbara Park", 80);
+ assertEquals(80, book.getTotalPages());
+ }
+
+ @Test
+ public void testGetCheckedOut() {
+ Book book =
+ new Book(
+ "Thirst: Human Urges, Fatal Consequences", "9780307237060", "Michael Farquhar", 384);
+ assertFalse(book.getCheckedOut());
+ }
+
+ @Test
+ public void testIsCheckedOut() {
+ Book book =
+ new Book("Women Who Run with the Wolves", "9780345409874", "Clarissa Pinkola Estés", 560);
+ book.checkOut();
+ assertTrue(book.getCheckedOut());
+ }
+
+ @Test
+ public void testGetCheckedIn() {
+ Book book = new Book("Beloved", "9781400033416", "Toni Morrison", 324);
+ book.checkIn();
+ book.checkOut();
+ assertFalse(book.getCheckedOut());
+ }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/natayaprice/BooksCheckedOutExceptionTest.java

@@ -0,0 +1,8 @@
+package com.codedifferently.lesson9.natayaprice;
+
+public class BooksCkeckedOutException extends RuntimeException{
+public BooksCkeckedOutException(String message){
+ super (message);
+}
+
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/natayaprice/LibraryTest.java

@@ -0,0 +1,32 @@
+package com.codedifferently.lesson9.natayaprice;
+
+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 org.junit.jupiter.api.Test;
+
+public class LibraryTest {
+
+ @Test
+ void testLibraryConstruction() {
+ Library library = new Library();
+ } 
+
+ @Test
+ void testAddBook() {
+ Book book = new Book("781250170972", "Children of Blood and Bone", "Tomi Adeyemi",544); 
+ Library.addBook(book); 
+ assertTrue(yourLibrary.hasBook("781250170972"));
+ Book retrievedBook = yourLibrary.getBook("781250170972");
+ assertEquals(book, retrievedBook);
+}
+ @Test
+ void testRemoveBook() {
+ Book book = new Book("9780810970571", "The Sisters Grimm:The Fairy-Tale Detectives", "Michael Buckley",176);
+ yourLibrary.addBook(book);
+ assertTrue(yourLibrary.hasBook("9780810970571"));
+ yourLibrary.removeBook("9780810970571");
+ assertFalse(yourLibrary.hasBook("9780810970571"));
+ } 
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/natayaprice/PatronTest.java

@@ -0,0 +1,37 @@
+package com.codedifferently.lesson9.natayaprice;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.junit.jupiter.api.Test;
+
+public class PatronTest {
+
+ @Test
+void testPatronConstruction() {
+ Patron patron = new Patron("Jane Smith");
+}
+
+ @Test
+ public void testPatronBooksCheckedOutMap() {
+
+ Map<String, Integer> patronBooksCheckedOutMap = new HashMap<>();
+ patronBooksCheckedOutMap.put("John Doe", 5);
+ patronBooksCheckedOutMap.put("Jane Smith", 3);
+ patronBooksCheckedOutMap.put("Alice Johnson", 0);
+
+ assertEquals(5, patronBooksCheckedOutMap.get("John Doe").intValue());
+ assertEquals(3, patronBooksCheckedOutMap.get("Jane Smith").intValue());
+ assertEquals(0, patronBooksCheckedOutMap.get("Alice Johnson").intValue());
+
+ assertEquals(3, patronBooksCheckedOutMap.size());
+
+ patronBooksCheckedOutMap.put("John Doe", 8);
+ assertEquals(8, patronBooksCheckedOutMap.get("John Doe").intValue());
+
+ assertNull(patronBooksCheckedOutMap.get("Nonexistent Patron"));
+ }
+
+ }