tests for Book

BookServiceTest.java

package ro.oneandonly.bookstore.service;

import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import ro.oneandonly.bookstore.domain.Book;
import ro.oneandonly.bookstore.domain.validators.ValidatorException;
import ro.oneandonly.bookstore.repository.Repository;

import java.util.*;
import java.util.concurrent.RunnableFuture;

import static org.junit.Assert.fail;

/**
 * Created by alex on 3/17/16.
 */
public class BookServiceTest {

    private static final Book BOOK1 = new Book("isbn3", "title1", "First Last");
    private static final Book BOOK2 = new Book("isbn2", "title3", "First Smith");
    private static final Book BOOK3 = new Book("isbn1", "title2", "Foo Bar");

    private static final List<Book> BOOKS = Arrays.asList(BOOK1, BOOK2, BOOK3);
    private static final List<Book> BOOKS_SORTED_BY_TITLE_REVERSED = Arrays.asList(BOOK2, BOOK3, BOOK1);
    private static final Set<Book> SET_ISBN1 = new HashSet<>(Collections.singletonList(BOOK3));
    private static final Set<Book> BOOK_SET = new HashSet<>(BOOKS);
    private static final Set<Book> SET_AUTHORS = new HashSet<>(Arrays.asList(BOOK1, BOOK2));

    private BookService service;

    @Before
    public void setUp() throws Exception {
        BOOK2.setPrice(12);
        BOOK3.setPrice(50);
        service = new BookService(new Repository<Long, Book>() {
            @Override
            public Optional<Book> findOne(Long aLong) {
                return null;
            }

            @Override
            public Iterable<Book> findAll() {
                return BOOKS;
            }

            @Override
            public Optional<Book> save(Book entity) throws ValidatorException {
                return null;
            }

            @Override
            public Optional<Book> delete(Long aLong) {
                return null;
            }

            @Override
            public Optional<Book> update(Book entity) throws ValidatorException {
                return null;
            }
        });
    }

    @After
    public void tearDown() throws Exception {
        service = null;
    }

    @Ignore
    @Test
    public void testAddBook() throws Exception {
        fail("Not tested");
    }

    @Test
    public void testGetAllBooks() throws Exception {
        assert service.getAllBooks().equals(BOOK_SET);
    }

    @Ignore
    @Test
    public void testUpdateBook() throws Exception {
        fail("Not tested");
    }

    @Ignore
    @Test
    public void testDeleteBook() throws Exception {
        fail("Not tested");
    }

    @Test
    public void testFilterByAuthor() throws Exception {
        assert service.filterByAuthor("FIRST").equals(SET_AUTHORS) : "Incorrectly filtered";
    }

    @Test
    public void testFilterByTitle() throws Exception {
        assert service.filterByTitle("title").equals(BOOK_SET) : "Incorrectly filtered";
    }

    @Test
    public void testFilterByIsbn() throws Exception {
        assert service.filterByIsbn("isbn1").equals(SET_ISBN1) : "Incorrectly filtered";
    }

    @Test
    public void testSortByTitle() throws Exception {
        assert service.sortByTitle(true).equals(BOOKS_SORTED_BY_TITLE_REVERSED) : "Incorrectly sorted";
    }

    @Test
    public void testSortByAuthor() throws Exception {
        assert service.sortByAuthor(false).equals(BOOKS) : "Incorrectly sorted";
    }

    @Test
    public void testSortByPrice() throws Exception {
        assert service.sortByPrice(false).equals(BOOKS_SORTED_BY_TITLE_REVERSED) : "Incorrectly sorted";
    }
}