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

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/natayaprice/Book.java

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+package com.codedifferently.lesson9.natayaprice;
+
+public class Book {
+
+ private String Titles;
+ private int ISBN;
+ private String Authors;
+ private int TotalPages;
+ private boolean CheckedOut;
+
+ /**
+ * Constructs a new Book object.
+ *
+ * @param Titles the title of the book
+ * @param ISBN the ISBN number of the book
+ * @param Authors the author(s) of the book
+ * @param TotalPages the total number of pages in the book
+ * @param CheckedOut indicates whether the book is currently checked out
+ */
+ public Book(String Titles, int ISBN, String Authors, int TotalPages, boolean CheckedOut) {
+ this.Titles = Titles;
+ this.ISBN = ISBN;
+ this.Authors = Authors;
+ this.TotalPages = TotalPages;
+ this.CheckedOut = CheckedOut;
+ }
+
+ /**
+ * Gets the title of the book.
+ *
+ * @return the title of the book
+ */
+ public String getTitles() {
+ return Titles;
+ }
+
+ /**
+ * Gets the ISBN number of the book.
+ *
+ * @return the ISBN number of the book
+ */
+ public int getISBN() {
+ return ISBN;
+ }
+
+ /**
+ * Gets the author(s) of the book.
+ *
+ * @return the author(s) of the book
+ */
+ public String getAuthors() {
+ return Authors;
+ }
+
+ /**
+ * Gets the total number of pages in the book.
+ *
+ * @return the total number of pages in the book
+ */
+ public int getTotalPages() {
+ return TotalPages;
+ }
+
+ /**
+ * Checks if the book is currently checked out.
+ *
+ * @return true if the book is checked out, otherwise false
+ */
+ public boolean getCheckedOut() {
+ return CheckedOut;
+ }
+}

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/natayaprice/Library.java

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+package com.codedifferently.lesson9.natayaprice;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Library {
+
+ private List<Book> books;
+ private List<Patron> patrons;
+
+ public Library() {
+ this.books = new ArrayList<>();
+ this.patrons = new ArrayList<>();
+ }
+
+ public void registerPatron(Patron patron) {
+ patrons.add(patron);
+ }
+
+ public List<Patron> getPatrons() {
+ return patrons;
+ }
+
+ public void addBook(Book book) {
+ books.add(book);
+ }
+
+ public List<Book> getBooks() {
+ return books;
+ }
+}

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/natayaprice/Patron.java

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+package com.codedifferently.lesson9.natayaprice;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Patron {
+
+ /**
+ * Constructs a new Patron with the specified name and email.
+ *
+ * @param name the name of the patron
+ * @param email the email of the patron
+ */
+ public Patron(String string, String string2) {
+ // TODO Auto-generated constructor stub
+ }
+
+ /**
+ * The main method to execute tests for Patron functionalities.
+ *
+ * @param args the command line arguments
+ */
+ public static void main(String[] args) {
+ testRegisterPatron();
+ testPatronBooksCheckedOutMap();
+ }
+
+ /** Tests the registration of a patron with the library. */
+ public static void testRegisterPatron() {
+ Patron patron = new Patron("John Doe", "[email protected]");
+ Library library = new Library();
+ library.registerPatron(patron);
+ System.out.println(
+ library.getPatrons().contains(patron)
+ ? "Patron should be registered with the library"
+ : "Patron is not registered with the library");
+ }
+
+ /** Tests the patron-books checked out map. */
+ public static void testPatronBooksCheckedOutMap() {
+ Map<String, Integer> patronBooksCheckedOutMap = new HashMap<>();
+ patronBooksCheckedOutMap.put("John Doe", 5);
+ patronBooksCheckedOutMap.put("Jane Smith", 3);
+ patronBooksCheckedOutMap.put("Alice Johnson", 0);
+
+ System.out.println(
+ patronBooksCheckedOutMap.get("John Doe") == 5
+ ? "John Doe should have 5 books checked out"
+ : "Incorrect number of books checked out for John Doe");
+ System.out.println(
+ patronBooksCheckedOutMap.get("Jane Smith") == 3
+ ? "Jane Smith should have 3 books checked out"
+ : "Incorrect number of books checked out for Jane Smith");
+ System.out.println(
+ patronBooksCheckedOutMap.get("Alice Johnson") == 0
+ ? "Alice Johnson should have 0 books checked out"
+ : "Incorrect number of books checked out for Alice Johnson");
+
+ System.out.println(
+ patronBooksCheckedOutMap.size() == 3
+ ? "Size of the map is correct"
+ : "Incorrect size of the map");
+
+ patronBooksCheckedOutMap.put("John Doe", 8);
+ System.out.println(
+ patronBooksCheckedOutMap.get("John Doe") == 8
+ ? "John Doe now has 8 books checked out"
+ : "Incorrect number of books checked out for John Doe");
+
+ System.out.println(
+ patronBooksCheckedOutMap.get("Nonexistent Patron") == null
+ ? "Nonexistent Patron is not found in the map"
+ : "Nonexistent Patron is found in the map");
+ }
+}

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

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+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 {
+
+ /** Tests the constructor of the {@link Book} class. */
+ @Test
+ public void testConstructor() {
+ Book book = new Book("Title", 1234567890, "Author", 200, false);
+ assertEquals("Title", book.getTitles());
+ assertEquals(1234567890, book.getISBN());
+ assertEquals("Author", book.getAuthors());
+ assertEquals(200, book.getTotalPages());
+ assertFalse(book.getCheckedOut());
+ }
+
+ /** Tests the {@code getTitles()} method of the {@link Book} class. */
+ @Test
+ public void testGetTitle() {
+ Book book = new Book("Children of Blood and Bone", 972, "Tomi Adeyemi", 544, false);
+ assertEquals("Children of Blood and Bone", book.getTitles());
+ }
+
+ /** Tests the {@code getISBN()} method of the {@link Book} class. */
+ @Test
+ public void testGetISBN() {
+ Book book =
+ new Book("The Sisters Grimm:The Fairy-Tale Detectives", 571, "Michael Buckley", 176, true);
+ assertEquals(571, book.getISBN());
+ }
+
+ /** Tests the {@code getAuthors()} method of the {@link Book} class. */
+ @Test
+ public void testGetAuthors() {
+ Book book = new Book("A Light in the Attic", 739, "Shel Silverstein", 176, true);
+ assertEquals("Shel Silverstein", book.getAuthors());
+ }
+
+ /** Tests the {@code getTotalPages()} method of the {@link Book} class. */
+ @Test
+ public void testGetTotalPages() {
+ Book book =
+ new Book("Junie B. Jones and the Mushy Gushy Valentine", 408, "Barbara Park", 80, true);
+ assertEquals(80, book.getTotalPages());
+ }
+
+ /** Tests the {@code getCheckedOut()} method of the {@link Book} class. */
+ @Test
+ public void testGetCheckedOut() {
+ Book book =
+ new Book("Thirst: Human Urges, Fatal Consequences", 060, "Michael Farquhar", 384, false);
+ assertFalse(book.getCheckedOut());
+ }
+
+ @Test
+ public void testIsCheckedOut() {
+ Book book = new Book("Women Who Run with the Wolves", 874, "Clarissa Pinkola Estés", 560, true);
+ assertTrue(book.getCheckedOut());
+ }
+
+ /** Tests the {@code getCheckedIn()} method of the {@link Book} class. */
+ @Test
+ public void testGetCheckedIn() {
+ Book book = new Book("Beloved", 416, "Toni Morrison", 324, false);
+ assertFalse(book.getCheckedOut());
+ }
+}

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

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+package com.codedifferently.lesson9.natayaprice;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+public class LibraryTest {
+
+ @Test
+ public void testAddBook() {
+ Library library = new Library();
+ Book book =
+ new Book(
+ "The Sisters Grimm: The Fairy-Tale Detectives", 571, "Michael Buckley", 176, false);
+ library.addBook(book);
+ List<Book> booksInLibrary = library.getBooks();
+ // Assert that one book should be added to the library
+ assertEquals(1, booksInLibrary.size(), "One book should be added to the library");
+ // Assert that the added book is the same as the book in the library
+ assertEquals(
+ book, booksInLibrary.get(0), "Added book should be the same as the book in the library");
+ }
+}

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

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+package com.codedifferently.lesson9.natayaprice;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.junit.jupiter.api.Test;
+
+public class PatronTest {
+
+ /** Tests the registration of a patron with the library. */
+ @Test
+ public void testRegisterPatron() {
+ Patron patron = new Patron("John Doe", "[email protected]");
+ Library library = new Library();
+ library.registerPatron(patron);
+ assertTrue(
+ library.getPatrons().contains(patron), "Patron should be registered with the library");
+ }
+
+ /** Tests the patron-books checked out map. */
+ @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"));
+ }
+}