/** @test */ function a_book_has_a_title_and_authors() { $id = BookId::generate(); $book = new AvailableBook($id, "Domain-driven design", "Eric J. Evans", 1599, "0534408133", "www.blabla.jpg", false); $this->assertEquals($book->getId(), (string) $id); $this->assertEquals($book->bookId(), $id); $this->assertEquals($book->title(), "Domain-driven design"); $this->assertEquals($book->author(), "Eric J. Evans"); $this->assertEquals($book->price(), 1599); $this->assertEquals($book->isbn(), "0534408133"); $this->assertEquals($book->pathToCover(), "www.blabla.jpg"); $this->assertEquals($book->salePending(), false); }