src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/repository/BookRepositoryTest.java

@@ -0,0 +1,255 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.entity.Book;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class BookRepositoryTest {
+
+    private BookRepository repository;
+    private Book book1;
+    private Book book2;
+
+    @BeforeEach
+    void setUp() {
+        repository = new BookRepository();
+
+        LocalDate date = LocalDate.of(2026, 3, 24);
+        ArrayList<String> categories = new ArrayList<>();
+        categories.add("Thriller");
+        categories.add("Biographie");
+
+        book1 = Book.builder()
+                .isbn("1234567891012")
+                .title("La vie de Maxime")
+                .author("Marvin Aubert")
+                .editor("Kioon")
+                .date(date)
+                .price(12.99)
+                .stock(50)
+                .categories(categories)
+                .description("C'était un brave partit trop tôt")
+                .language("Français")
+                .build();
+
+        book2 = Book.builder()
+                .isbn("1234567891015")
+                .title("La vie de Marvin")
+                .author("Maxime Lebreton")
+                .editor("Kioon")
+                .date(date)
+                .price(12.99)
+                .stock(50)
+                .categories(categories)
+                .description("C'était un brave partit trop tôt")
+                .language("Français")
+                .build();
+    }
+
+    @Test
+    @DisplayName("New repository should be empty")
+    void testNewRepositoryIsEmpty() {
+        List<Book> books = repository.findAll();
+
+        assertTrue(books.isEmpty());
+        assertEquals(0, books.size());
+    }
+
+    @Nested
+    @DisplayName("Save operations")
+    class SaveOperations {
+
+        @Test
+        @DisplayName("Save should add a new book")
+        void testSaveNewBook() {
+            Book savedBook = repository.save(book1);
+
+            assertEquals(1, repository.findAll().size());
+            assertEquals(book1.getIsbn(), savedBook.getIsbn());
+            assertEquals(book1.getTitle(), savedBook.getTitle());
+        }
+
+        @Test
+        @DisplayName("Save should update existing book with same isbn")
+        void testSaveUpdatesExistingBook() {
+            repository.save(book1);
+
+            String isbn = "1516515616216";
+            LocalDate date = LocalDate.of(2026, 3, 24);
+            ArrayList<String> categories = new ArrayList<>();
+            categories.add("Thriller");
+            categories.add("Biographie");
+
+            Book updatedBook = Book.builder()
+                    .isbn(isbn)
+                    .title("La vie de Maxime")
+                    .author("Updated")
+                    .editor("Kioon")
+                    .date(date)
+                    .price(12.99)
+                    .stock(50)
+                    .categories(categories)
+                    .description("C'était un brave partit trop tôt")
+                    .language("Français")
+                    .build();
+
+            Book savedBook = repository.save(updatedBook);
+
+            assertEquals(1, repository.findAll().size());
+            assertEquals(isbn, savedBook.getIsbn());
+            assertEquals("La vie de Maxime", savedBook.getTitle());
+            assertEquals("Updated", savedBook.getAuthor());
+            assertEquals("Kioon", savedBook.getEditor());
+            assertEquals(date, savedBook.getDate());
+            assertEquals(12.99, savedBook.getPrice());
+            assertEquals(50, savedBook.getStock());
+            assertEquals(categories, savedBook.getCategories());
+            assertEquals("C'était un brave partit trop tôt", savedBook.getDescription());
+            assertEquals("Français", savedBook.getLanguage());
+        }
+
+        @Test
+        @DisplayName("Save multiple books should add all of them")
+        void testSaveMultipleBooks() {
+            repository.save(book1);
+            repository.save(book2);
+
+            List<Book> books = repository.findAll();
+
+            assertEquals(2, books.size());
+            assertTrue(books.contains(book1));
+            assertTrue(books.contains(book2));
+        }
+    }
+
+    @Nested
+    @DisplayName("Find operations")
+    class FindOperations {
+
+        @BeforeEach
+        void setUpBooks() {
+            repository.save(book1);
+            repository.save(book2);
+        }
+
+        @Test
+        @DisplayName("FindAll should return all books")
+        void testFindAll() {
+            List<Book> books = repository.findAll();
+
+            assertEquals(2, books.size());
+            assertTrue(books.contains(book1));
+            assertTrue(books.contains(book2));
+        }
+
+        @Test
+        @DisplayName("FindByIsbn should return book with matching isbn")
+        void testFindByIsbn() {
+            Optional<Book> foundBook = repository.findByIsbn(book1.getIsbn());
+
+            assertTrue(foundBook.isPresent());
+            assertEquals(book1.getTitle(), foundBook.get().getTitle());
+            assertEquals(book1.getAuthor(), foundBook.get().getAuthor());
+        }
+
+        @Test
+        @DisplayName("FindByIsbn should return empty Optional when isbn doesn't exist")
+        void testFindByIsbnNotFound() {
+            String nonExistedisbn = "1515265522652";
+
+            Optional<Book> foundBook = repository.findByIsbn(nonExistedisbn);
+
+            assertTrue(foundBook.isEmpty());
+        }
+
+        @Test
+        @DisplayName("ExistsByIsbn should return true when isbn exists")
+        void testExistsByIsbnExists() {
+            boolean exists = repository.existsByIsbn(book1.getIsbn());
+
+            assertTrue(exists);
+        }
+
+        @Test
+        @DisplayName("ExistsByIsbn should return false when isbn doesn't exist")
+        void testExistsByIsbnNotExists() {
+            String nonExistedisbn = "1515265522652";
+
+            boolean exists = repository.existsByIsbn(nonExistedisbn);
+
+            assertFalse(exists);
+        }
+    }
+
+    @Nested
+    @DisplayName("Delete operations")
+    class DeleteOperations {
+
+        @BeforeEach
+        void setUpCustomers() {
+            repository.save(book1);
+            repository.save(book2);
+        }
+
+        @Test
+        @DisplayName("Delete should remove the specified book")
+        void testDelete() {
+            repository.delete(book1);
+
+            List<Book> books = repository.findAll();
+
+            assertEquals(1, books.size());
+            assertFalse(books.contains(book1));
+            assertTrue(books.contains(book2));
+        }
+
+        @Test
+        @DisplayName("DeleteAll should remove all books")
+        void testDeleteAll() {
+            repository.deleteAll();
+
+            List<Book> books = repository.findAll();
+
+            assertTrue(books.isEmpty());
+            assertEquals(0, books.size());
+        }
+
+        @Test
+        @DisplayName("Delete should not throw exception when book doesn't exist")
+        void testDeleteNonExistentBook() {
+            LocalDate date = LocalDate.of(2026, 3, 24);
+            ArrayList<String> categories = new ArrayList<>();
+            categories.add("Thriller");
+            categories.add("Biographie");
+            Book nonExistentBook = Book.builder()
+                    .isbn("1515466461319")
+                    .title("La vie de Patrick")
+                    .author("Updated")
+                    .editor("Kioon")
+                    .date(date)
+                    .price(12.99)
+                    .stock(50)
+                    .categories(categories)
+                    .description("C'était un brave partit trop tôt")
+                    .language("Français")
+                    .build();
+
+            assertDoesNotThrow(() -> repository.delete(nonExistentBook));
+
+            assertEquals(2, repository.findAll().size());
+        }
+    }
+}